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  • Articles  (504)
  • 550 - Earth sciences
  • Chemistry
  • United States
  • 2015-2019  (504)
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  • 1
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    [Perspective] Molecular sieves for gas separation (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2016-07-08
    Description: Separation and purification are critical industrial processes for separating components of chemical mixtures, and these processes account for about half of industrial energy usage (1). Gas mixtures of compounds with very similar physical properties are particularly difficult to separate. On pages 137 and 141 of this issue, Cadiau et al. (2) and Cui et al. (3), respectively, show that microporous materials can be designed to have high adsorption capacity and selectivity for particular hydrocarbons, enabling energy-efficient separation. Author: Jerry Y. S. Lin
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    [Perspective] How to break down crystalline cellulose (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2016-05-27
    Description: Biomass-degrading microorganisms use lytic polysaccharide monooxygenase (LPMO) enzymes to help digest cellulose, chitin, and starch. By cleaving otherwise inaccessible crystalline cellulose chains, these enzymes provide access to hydrolytic enzymes. LPMOs are of interest to biotechnology because efficient depolymerization of cellulose is a major bottleneck for the production of biologically based chemicals and fuels. On page 1098 of this issue, Kracher et al. (1) compare LPMO-reducing substrates in fungi from different taxonomic groups and lifestyles, based on both biochemical and genomic evidence. The results provide insights into reductive activation of LPMO that are important for developing more efficient industrial enzymes for lignocellulose biorefineries. Author: Angel T. Martínez
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    [Editors' Choice] Engineering open structures using DNA (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2016-03-25
    Description: Author: Marc S. Lavine
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Quantum interference and diradicals [Chemistry] (2016)
    National Academy of Sciences
    Details
    Publication Date: 2016-01-27
    Description: An empirical observation of a relationship between a striking feature of electronic transmission through a π-system, destructive quantum interference (QI), on one hand, and the stability of diradicals on the other, leads to the proof of a general theorem that relates the two. Subject to a number of simplifying assumptions,...
    Keywords: Chemistry
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 5
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    Left- or right-handed C-H bond activation (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-02-16
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Comment on "Selective anaerobic oxidation of methane enables direct synthesis of methanol" (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-02-16
    Description: The comment and response concerning the report of oxidation of methane to methanol by water (Reports, 5 May 2017, p. 523) do not fully capture the implications of thermodynamic limitations. A nonisothermal process in which each cycle requires a large temperature swing and permits only substoichiometric methane conversion surely could not be carried out on any practical scale.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Response to Comment on "Selective anaerobic oxidation of methane enables direct synthesis of methanol" (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-02-16
    Description: Labinger argues that stepwise reaction of methane with water to produce methanol and hydrogen will never be commercially feasible because of its substoichiometric basis with respect to the active site and the requirement of a large temperature swing. This comment is not touching any new ground, beyond describing the thermodynamic feasibility, thermal cycling, and the role of water as discussed previously. Most important, it does not have a solid numerical basis.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Silicon smooths the way to vinyl cations (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-07-27
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Teaching an old carbocation new tricks: Intermolecular C-H insertion reactions of vinyl cations (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-07-27
    Description: Vinyl carbocations have been the subject of extensive experimental and theoretical studies over the past five decades. Despite this long history in chemistry, the utility of vinyl cations in chemical synthesis has been limited, with most reactivity studies focusing on solvolysis reactions or intramolecular processes. Here we report synthetic and mechanistic studies of vinyl cations generated through silylium–weakly coordinating anion catalysis. We find that these reactive intermediates undergo mild intermolecular carbon-carbon bond–forming reactions, including carbon-hydrogen (C–H) insertion into unactivated sp 3 C–H bonds and reductive Friedel-Crafts reactions with arenes. Moreover, we conducted computational studies of these alkane C–H functionalization reactions and discovered that they proceed through nonclassical, ambimodal transition structures. This reaction manifold provides a framework for the catalytic functionalization of hydrocarbons using simple ketone derivatives.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Separation of enantiomers by their enantiospecific interaction with achiral magnetic substrates (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-06-22
    Description: It is commonly assumed that recognition and discrimination of chirality, both in nature and in artificial systems, depend solely on spatial effects. However, recent studies have suggested that charge redistribution in chiral molecules manifests an enantiospecific preference in electron spin orientation. We therefore reasoned that the induced spin polarization may affect enantiorecognition through exchange interactions. Here we show experimentally that the interaction of chiral molecules with a perpendicularly magnetized substrate is enantiospecific. Thus, one enantiomer adsorbs preferentially when the magnetic dipole is pointing up, whereas the other adsorbs faster for the opposite alignment of the magnetization. The interaction is not controlled by the magnetic field per se, but rather by the electron spin orientations, and opens prospects for a distinct approach to enantiomeric separations.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    Inspiration from a vitamin (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-06-29
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 12
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    Observation of the geometric phase effect in the H + HD -〉 H2 + D reaction (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-12-14
    Description: Theory has established the importance of geometric phase (GP) effects in the adiabatic dynamics of molecular systems with a conical intersection connecting the ground- and excited-state potential energy surfaces, but direct observation of their manifestation in chemical reactions remains a major challenge. Here, we report a high-resolution crossed molecular beams study of the H + HD -〉 H 2 + D reaction at a collision energy slightly above the conical intersection. Velocity map ion imaging revealed fast angular oscillations in product quantum state–resolved differential cross sections in the forward scattering direction for H 2 products at specific rovibrational levels. The experimental results agree with adiabatic quantum dynamical calculations only when the GP effect is included.
    Keywords: Chemistry
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
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    Photocatalytic upgrading of natural gas (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-17
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Radically transforming light hydrocarbons (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-17
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Stereodivergent synthesis of 1,4-dicarbonyls by traceless charge-accelerated sulfonium rearrangement (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-17
    Description: The chemistry of the carbonyl group is essential to modern organic synthesis. The preparation of substituted, enantioenriched 1,3- or 1,5-dicarbonyls is well developed, as their disconnection naturally follows from the intrinsic polarity of the carbonyl group. By contrast, a general enantioselective access to quaternary stereocenters in acyclic 1,4-dicarbonyl systems remains an unresolved problem, despite the tremendous importance of 2,3-substituted 1,4-dicarbonyl motifs in natural products and drug scaffolds. Here we present a broad enantioselective and stereodivergent strategy to access acyclic, polysubstituted 1,4-dicarbonyls via acid-catalyzed [3,3]-sulfonium rearrangement starting from vinyl sulfoxides and ynamides. The stereochemistry at sulfur governs the absolute sense of chiral induction, whereas the double bond geometry dictates the relative configuration of the final products.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Four varieties of carbonyl sandwich (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-17
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Selective functionalization of methane, ethane, and higher alkanes by cerium photocatalysis (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-17
    Description: With the recent soaring production of natural gas, the use of methane and other light hydrocarbon feedstocks as starting materials in synthetic transformations is becoming increasingly economically attractive, although it remains chemically challenging. We report the development of photocatalytic C–H amination, alkylation, and arylation of methane, ethane, and higher alkanes under visible light irradiation at ambient temperature. High catalytic efficiency (turnover numbers up to 2900 for methane and 9700 for ethane) and selectivity were achieved using abundant, inexpensive cerium salts as photocatalysts. Ligand-to-metal charge transfer excitation generated alkoxy radicals from simple alcohols that in turn acted as hydrogen atom transfer catalysts. The mixed-phase gas/liquid reaction was adapted to continuous flow, enabling the efficient use of gaseous feedstocks in scalable photocatalytic transformations.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Hot lithium-oxygen batteries charge ahead (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-24
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
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    A preference for acids (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-24
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 20
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    18 electrons and counting (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-31
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 21
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    Directional control of a processive molecular hopper (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-31
    Description: Intrigued by the potential of nanoscale machines, scientists have long attempted to control molecular motion. We monitored the individual 0.7-nanometer steps of a single molecular hopper as it moved in an electric field along a track in a nanopore controlled by a chemical ratchet. The hopper demonstrated characteristics desired in a moving molecule: defined start and end points, processivity, no chemical fuel requirement, directional motion, and external control. The hopper was readily functionalized to carry cargos. For example, a DNA molecule could be ratcheted along the track in either direction, a prerequisite for nanopore sequencing.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 22
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    Unlocking P(V): Reagents for chiral phosphorothioate synthesis (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-21
    Description: Phosphorothioate nucleotides have emerged as powerful pharmacological substitutes of their native phosphodiester analogs with important translational applications in antisense oligonucleotide (ASO) therapeutics and cyclic dinucleotide (CDN) synthesis. Stereocontrolled installation of this chiral motif has long been hampered by the systemic use of phosphorus(III) [P(III)]–based reagent systems as the sole practical means of oligonucleotide assembly. A fundamentally different approach is described herein: the invention of a P(V)-based reagent platform for programmable, traceless, diastereoselective phosphorus-sulfur incorporation. The power of this reagent system is demonstrated through the robust and stereocontrolled synthesis of various nucleotidic architectures, including ASOs and CDNs, via an efficient, inexpensive, and operationally simple protocol.
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 23
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    Self-assembly of lattices with high structural complexity from a geometrically simple molecule (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-21
    Description: Here we report an anomalous porous molecular crystal built of C–H···N-bonded double-layered roof-floor components and wall components of a segregatively interdigitated architecture. This complicated porous structure consists of only one type of fully aromatic multijoint molecule carrying three identical dipyridylphenyl wedges. Despite its high symmetry, this molecule accomplishes difficult tasks by using two of its three wedges for roof-floor formation and using its other wedge for wall formation. Although a C–H···N bond is extremely labile, the porous crystal maintains its porosity until thermal breakdown of the C–H···N bonds at 202°C occurs, affording a nonporous polymorph. Though this nonporous crystal survives even at 325°C, it can retrieve the parent porosity under acetonitrile vapor. These findings show how one can translate simplicity into ultrahigh complexity.
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 24
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    Two ways out of an oxetane (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-28
    Keywords: Chemistry
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 25
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    Arenes and amides from a single source (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-28
    Keywords: Chemistry
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 26
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    Interrupted carbonyl-olefin metathesis via oxygen atom transfer (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-28
    Description: Some of the simplest and most powerful carbon-carbon bond forming strategies take advantage of readily accessible ubiquitous motifs: carbonyls and olefins. Here we report a fundamentally distinct mode of reactivity between carbonyls and olefins that differs from established acid-catalyzed carbonyl-ene, Prins, and carbonyl-olefin metathesis reaction paths. A range of epsilon, zeta-unsaturated ketones undergo Brønsted acid–catalyzed intramolecular cyclization to provide tetrahydrofluorene products via the formation of two new carbon-carbon bonds. Theoretical calculations and accompanying mechanistic studies suggest that this carbocyclization reaction proceeds through the intermediacy of a transient oxetane formed by oxygen atom transfer. The complex polycyclic frameworks in this product class appear as common substructures in organic materials, bioactive natural products, and recently developed pharmaceuticals.
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 27
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    Arylsulfonylacetamides as bifunctional reagents for alkene aminoarylation (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-28
    Description: Alkene aminoarylation with a single, bifunctional reagent is a concise synthetic strategy. We report a catalytic protocol for the addition of arylsulfonylacetamides across electron-rich alkenes with complete anti-Markovnikov regioselectivity and excellent diastereoselectivity to provide 2,2-diarylethylamines. In this process, single-electron alkene oxidation enables carbon-nitrogen bond formation to provide a key benzylic radical poised for a Smiles-Truce 1,5-aryl shift. This reaction is redox-neutral, exhibits broad functional group compatibility, and occurs at room temperature with loss of sulfur dioxide. As this process is driven by visible light, uses readily available starting materials, and demonstrates convergent synthesis, it is well suited for use in a variety of synthetic endeavors.
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 28
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    Activating plasmonic chemistry (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-10-05
    Keywords: Chemistry
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 29
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    Hot carriers reducing thermal barriers (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-10-05
    Keywords: Chemistry
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 30
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    Quantifying hot carrier and thermal contributions in plasmonic photocatalysis (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-10-05
    Description: Photocatalysis based on optically active, "plasmonic" metal nanoparticles has emerged as a promising approach to facilitate light-driven chemical conversions under far milder conditions than thermal catalysis. However, an understanding of the relation between thermal and electronic excitations has been lacking. We report the substantial light-induced reduction of the thermal activation barrier for ammonia decomposition on a plasmonic photocatalyst. We introduce the concept of a light-dependent activation barrier to account for the effect of light illumination on electronic and thermal excitations in a single unified picture. This framework provides insight into the specific role of hot carriers in plasmon-mediated photochemistry, which is critically important for designing energy-efficient plasmonic photocatalysts.
    Keywords: Chemistry
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  • 31
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    An acid inaccessible to aldol products (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-10-12
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 32
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    Iodine smooths the way to ketyl radicals (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-10-12
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    Ketyl radical reactivity via atom transfer catalysis (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-10-12
    Description: Single-electron reduction of a carbonyl to a ketyl enables access to a polarity-reversed platform of reactivity for this cornerstone functional group. However, the synthetic utility of the ketyl radical is hindered by the strong reductants necessary for its generation, which also limit its reactivity to net reductive mechanisms. We report a strategy for net redox-neutral generation and reaction of ketyl radicals. The in situ conversion of aldehydes to α-acetoxy iodides lowers their reduction potential by more than 1 volt, allowing for milder access to the corresponding ketyl radicals and an oxidative termination event. Upon subjecting these iodides to a dimanganese decacarbonyl precatalyst and visible light irradiation, an atom transfer radical addition (ATRA) mechanism affords a broad scope of vinyl iodide products with high Z -selectivity.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    Confined acids catalyze asymmetric single aldolizations of acetaldehyde enolates (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-10-12
    Description: Reactions that form a product with the same reactive functionality as that of one of the starting compounds frequently end in oligomerization. As a salient example, selective aldol coupling of the smallest, though arguably most useful, enolizable aldehyde, acetaldehyde, with just one partner substrate has proven to be extremely challenging. Here, we report a highly enantioselective Mukaiyama aldol reaction with the simple triethylsilyl (TES) and tert -butyldimethylsilyl (TBS) enolates of acetaldehyde and various aliphatic and aromatic acceptor aldehydes. The reaction is catalyzed by recently developed, strongly acidic imidodiphosphorimidates (IDPi), which, like enzymes, display a confined active site but, like small-molecule catalysts, have a broad substrate scope. The process is scalable, fast, efficient (0.5 to 1.5 mole % catalyst loading), and greatly simplifies access to highly valuable silylated acetaldehyde aldols.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    Breaking through the nitrogen ceiling (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-12-21
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    Magnetic hysteresis up to 80 kelvin in a dysprosium metallocene single-molecule magnet (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-12-21
    Description: Single-molecule magnets (SMMs) containing only one metal center may represent the lower size limit for molecule-based magnetic information storage materials. Their current drawback is that all SMMs require liquid-helium cooling to show magnetic memory effects. We now report a chemical strategy to access the dysprosium metallocene cation [(Cp i Pr5 )Dy(Cp*)] + (Cp i Pr5 , penta-iso-propylcyclopentadienyl; Cp *, pentamethylcyclopentadienyl), which displays magnetic hysteresis above liquid-nitrogen temperatures. An effective energy barrier to reversal of the magnetization of U eff = 1541 wave number is also measured. The magnetic blocking temperature of T B = 80 kelvin for this cation overcomes an essential barrier toward the development of nanomagnet devices that function at practical temperatures.
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    Misplaced faith (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-06-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Jun 4;522(7554):6. doi: 10.1038/522006a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26040858" target="_blank"〉PubMed〈/a〉
    Keywords: Chemistry ; *Public Opinion ; Research Personnel/*ethics/standards ; Retraction of Publication as Topic ; Science/ethics/*standards ; Scientific Misconduct/*statistics & numerical data ; *Trust
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 38
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    Paul von Rague Schleyer (1930-2014) (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schaefer, Henry F -- England -- Nature. 2015 Jan 1;517(7532):22. doi: 10.1038/517022a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Georgia, Athens, Georgia, USA. He was a colleague of Paul Schleyer's for 24 years.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25557708" target="_blank"〉PubMed〈/a〉
    Keywords: Adamantane/analogs & derivatives/chemical synthesis ; Chemistry/*history ; Dipeptides/chemical synthesis ; Germany ; History, 20th Century ; Memantine/chemical synthesis ; Nobel Prize ; United States
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Cuba forges links with United States to save sharks (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-10-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tollefson, Jeff -- England -- Nature. 2015 Oct 22;526(7574):488-9. doi: 10.1038/526488a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26490598" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Conservation of Natural Resources/economics/*legislation & jurisprudence ; Cuba ; Gulf of Mexico ; International Cooperation/*legislation & jurisprudence ; Mexico ; *Sharks ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    China to launch cap-and-trade system (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tollefson, Jeff -- England -- Nature. 2015 Oct 1;526(7571):13-4. doi: 10.1038/nature.2015.18440.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26432216" target="_blank"〉PubMed〈/a〉
    Keywords: Carbon Dioxide/analysis/*economics/*supply & distribution ; China ; Environmental Policy/*economics/*trends ; *International Cooperation ; Renewable Energy/statistics & numerical data ; United Nations ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Time to cry out for academic freedom (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-11-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Macilwain, Colin -- England -- Nature. 2015 Nov 19;527(7578):277. doi: 10.1038/527277a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26581256" target="_blank"〉PubMed〈/a〉
    Keywords: Faculty/standards ; *Freedom ; Germany ; Great Britain ; Scotland ; Students ; United States ; Universities/legislation & jurisprudence/*manpower/*organization & administration
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    NASA launches mission to Greenland (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-08-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tollefson, Jeff -- England -- Nature. 2015 Jul 30;523(7562):510-1. doi: 10.1038/523510a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26223603" target="_blank"〉PubMed〈/a〉
    Keywords: Aircraft ; Atmosphere/chemistry ; Climate Change ; *Expeditions ; *Geography ; Greenland ; Ice Cover/*chemistry ; Models, Theoretical ; Oceans and Seas ; Reproducibility of Results ; *Research ; Seawater/chemistry ; Ships ; United States ; *United States National Aeronautics and Space Administration ; Water/*analysis/chemistry
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Mothballed NASA craft to launch (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-01-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zastrow, Mark -- England -- Nature. 2015 Jan 15;517(7534):256-7. doi: 10.1038/517256a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25592515" target="_blank"〉PubMed〈/a〉
    Keywords: Climate ; *Earth (Planet) ; Environmental Monitoring/*instrumentation ; Environmental Pollution/analysis ; Extraterrestrial Environment/chemistry ; Models, Theoretical ; Politics ; Seasons ; *Spacecraft ; United States ; United States National Aeronautics and Space Administration
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Plant collections left in the cold by cuts (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Deng, Boer -- England -- Nature. 2015 Jul 2;523(7558):16. doi: 10.1038/523016a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26135427" target="_blank"〉PubMed〈/a〉
    Keywords: Botany/economics/*trends ; United States
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Climate scientists eye alien worlds (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tollefson, Jeff -- England -- Nature. 2015 Apr 23;520(7548):420. doi: 10.1038/520420a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25903606" target="_blank"〉PubMed〈/a〉
    Keywords: Astronomy/*manpower ; Exobiology/*manpower ; *Extraterrestrial Environment ; Meteorology/*manpower ; Planets ; Research/*manpower/*organization & administration ; *Research Personnel ; United States ; United States National Aeronautics and Space Administration/organization & ; administration
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Highway to health (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Apr 23;520(7548):407. doi: 10.1038/520407a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25903589" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Budgets ; Centers for Disease Control and Prevention (U.S.)/organization & administration ; Communicable Disease Control ; Communicable Diseases/epidemiology ; Europe ; Government Agencies/*economics/*organization & administration ; Health Manpower/statistics & numerical data ; Humans ; Internationality ; *Public Health/economics/manpower/trends ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Collaborations: Mining the motherlodes (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-11-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bourzac, Katherine -- England -- Nature. 2015 Nov 5;527(7576):S8-9. doi: 10.1038/527S8a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26536225" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Amyotrophic Lateral Sclerosis/drug therapy/genetics ; Awards and Prizes ; Breast Neoplasms/genetics ; *Cooperative Behavior ; *Data Mining/economics/methods ; Datasets as Topic ; Female ; Genes, BRCA1 ; Genetic Predisposition to Disease/genetics ; Humans ; National Cancer Institute (U.S.) ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Lessons from EPA on tracking pollutants (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Bo -- Davis, Wayne S -- England -- Nature. 2015 Nov 26;527(7579):446. doi: 10.1038/527446f.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Information Center, Ministry of Environmental Protection, Beijing, China. ; EPA, Washington DC, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26607534" target="_blank"〉PubMed〈/a〉
    Keywords: *Access to Information ; China ; Environmental Pollutants/*analysis ; Internet/utilization ; United States ; *United States Environmental Protection Agency
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Obama seeks science boost (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Deng, Boer -- Monastersky, Richard -- Morello, Lauren -- Reardon, Sara -- Tollefson, Jeff -- England -- Nature. 2015 Feb 5;518(7537):13-5. doi: 10.1038/518013a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25652973" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/economics ; Budgets/*legislation & jurisprudence ; Centers for Disease Control and Prevention (U.S.)/economics ; Environmental Policy/economics/legislation & jurisprudence ; *Federal Government ; Humans ; National Institutes of Health (U.S.)/economics ; Science/*economics/*legislation & jurisprudence ; United States ; United States Department of Agriculture/economics/organization & administration ; United States Environmental Protection Agency/economics ; United States Food and Drug Administration/economics/organization & ; administration ; United States National Aeronautics and Space Administration/economics
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Alexander Rich (1924-2015) (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schimmel, Paul -- England -- Nature. 2015 May 21;521(7552):291. doi: 10.1038/521291a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Research Institute in Jupiter, Florida, and La Jolla, California. He was a colleague of Alexander Rich at the Massachusetts Institute of Technology in Cambridge from 1967 onwards.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25993953" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/history ; Collagen/chemistry/history ; Crystallography, X-Ray ; DNA, Z-Form/chemistry/*history ; History, 20th Century ; *Nucleic Acid Conformation ; Peptides/chemistry/history ; Polyribosomes/metabolism ; RNA/chemistry/history ; United States
    Print ISSN: 0028-0836
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    Mobility: a strategic move (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gould, Julie -- England -- Nature. 2015 Jun 11;522(7555):245-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26065302" target="_blank"〉PubMed〈/a〉
    Keywords: Australia ; *Career Mobility ; Chile ; China ; Efficiency ; Emigrants and Immigrants/*statistics & numerical data ; Emigration and Immigration/*statistics & numerical data ; Europe ; *Internationality ; Research Personnel/*statistics & numerical data ; United States
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    China must act decisively to eradicate the ivory trade (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-11-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Li -- England -- Nature. 2015 Nov 12;527(7577):135. doi: 10.1038/527135a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26560263" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; China ; Commerce/*legislation & jurisprudence ; Conservation of Natural Resources/*legislation & jurisprudence/*methods ; Crime/*legislation & jurisprudence ; *Elephants ; Endangered Species/*legislation & jurisprudence ; Horns/*chemistry ; United States
    Print ISSN: 0028-0836
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    Senate vs science (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Jan 29;517(7536):527-8. doi: 10.1038/517527b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25631407" target="_blank"〉PubMed〈/a〉
    Keywords: Environmental Policy/*legislation & jurisprudence ; *Federal Government ; Global Warming/*legislation & jurisprudence/statistics & numerical data ; Human Activities ; United States
    Print ISSN: 0028-0836
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    Wanted: 80,000 British babies (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pearson, Helen -- England -- Nature. 2015 Feb 26;518(7540):463-4. doi: 10.1038/518463a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25719641" target="_blank"〉PubMed〈/a〉
    Keywords: Cohort Studies ; Female ; Great Britain ; *Health Surveys/trends ; Humans ; Infant, Newborn ; *Patient Selection ; Pregnancy ; Research Design ; United States
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    Human Genome Project: Twenty-five years of big biology (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Green, Eric D -- Watson, James D -- Collins, Francis S -- England -- Nature. 2015 Oct 1;526(7571):29-31. doi: 10.1038/526029a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉US National Human Genome Research Institute at the US National Institutes of Health, Bethesda, Maryland, USA. ; Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, USA, and former director of the US National Center for Human Genome Research. ; US National Institutes of Health, Bethesda, Maryland, USA, and former director of the US National Human Genome Research Institute.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26432225" target="_blank"〉PubMed〈/a〉
    Keywords: Cooperative Behavior ; Datasets as Topic/history ; Genome, Human/genetics ; History, 20th Century ; Human Genome Project/*history/organization & administration ; Humans ; Information Dissemination/history ; Microbiota/genetics ; National Human Genome Research Institute (U.S.)/history ; Neoplasms/genetics ; Research Personnel/history/organization & administration ; United States
    Print ISSN: 0028-0836
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    The rapid rise of a research nation (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Yingying -- England -- Nature. 2015 Dec 17;528(7582):S170-3. doi: 10.1038/528S170a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26673023" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Science Disciplines ; Chemistry ; China ; Diffusion of Innovation ; Ecology ; Economic Recession ; Humans ; International Cooperation ; Nobel Prize ; Physics ; Research/economics/manpower/standards/*statistics & numerical data ; Research Personnel/education/standards/supply & distribution ; Time Factors
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Vernon B. Mountcastle (1918-2015) (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, Kevan -- England -- Nature. 2015 Feb 19;518(7539):304. doi: 10.1038/518304a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of NeuroInformatics at the University of Zurich and the Swiss Federal Institute of Technology Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25693556" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Attention/physiology ; History, 20th Century ; Neocortex/cytology/physiology ; Neurons/physiology ; Neurosciences/*history ; United States
    Print ISSN: 0028-0836
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    Q&A: The global view (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dong-Yan, Jin -- Cheung, Felix -- England -- Nature. 2015 Apr 30;520(7549):S37. doi: 10.1038/520S37a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25924200" target="_blank"〉PubMed〈/a〉
    Keywords: Bibliometrics ; China ; Hong Kong ; *Internationality ; Peer Review, Research/*methods/*standards ; *Personnel Selection ; Research Personnel/*standards ; United States ; Universities
    Print ISSN: 0028-0836
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    Microbiome privacy risk (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-05-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Callaway, Ewen -- England -- Nature. 2015 May 14;521(7551):136. doi: 10.1038/521136a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25971486" target="_blank"〉PubMed〈/a〉
    Keywords: Access to Information ; Base Sequence ; *Confidentiality/standards ; DNA/genetics/isolation & purification ; Feces/microbiology ; Humans ; Microbiota/*genetics ; National Institutes of Health (U.S.) ; Risk ; Tandem Repeat Sequences/genetics ; United States
    Print ISSN: 0028-0836
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    Perspective: Embryo editing needs scrutiny (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-12-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doudna, Jennifer -- England -- Nature. 2015 Dec 3;528(7580):S6. doi: 10.1038/528S6a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Berkeley.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26630598" target="_blank"〉PubMed〈/a〉
    Keywords: *CRISPR-Cas Systems ; China ; Congresses as Topic ; Embryo Research/*ethics/*legislation & jurisprudence ; Genetic Engineering/*ethics/*legislation & jurisprudence/standards ; *Genome ; Germ-Line Mutation/*ethics ; Great Britain ; Humans ; Safety/legislation & jurisprudence/standards ; United States
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    Oliver Sacks (1933-2015) (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Draaisma, Douwe -- England -- Nature. 2015 Sep 10;525(7568):188. doi: 10.1038/525188a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Groningen in the Netherlands. He interviewed Oliver Sacks in 2005 for his book The Nostalgia Factory and stayed in contact with him.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26331535" target="_blank"〉PubMed〈/a〉
    Keywords: Autobiography as Topic ; Great Britain ; History, 20th Century ; History, 21st Century ; Humans ; Literature, Modern/history ; Narration ; Neurology/*history ; Psychology/history ; United States
    Print ISSN: 0028-0836
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    World hails embryo vote (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Callaway, Ewen -- England -- Nature. 2015 Feb 12;518(7538):145-6. doi: 10.1038/518145a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25673389" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Clinical Trials as Topic/legislation & jurisprudence ; Embryo Research/ethics/*legislation & jurisprudence ; Female ; Fertilization in Vitro/ethics/*legislation & jurisprudence/*methods ; Great Britain ; Humans ; Male ; United States ; United States Food and Drug Administration/legislation & jurisprudence
    Print ISSN: 0028-0836
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    Trans-Pacific Partnership: Add conservation to US trade agreement (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-07-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodriguez, Maribel -- Phelps, Jacob -- England -- Nature. 2015 Jul 23;523(7561):410. doi: 10.1038/523410b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International University of Andalusia, Baeza, Spain. ; Center for International Forestry Research, Bogor Barat, Indonesia; and Lancaster University, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26201591" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Commerce/*legislation & jurisprudence ; Conservation of Natural Resources/*legislation & jurisprudence ; Elephants ; Endangered Species ; International Cooperation/*legislation & jurisprudence ; Perissodactyla ; United States
    Print ISSN: 0028-0836
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    Hubert Markl (1938-2015) (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krull, Wilhelm -- England -- Nature. 2015 Feb 12;518(7538):168. doi: 10.1038/518168a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Volkswagen Foundation in Hanover, Germany. He frequently collaborated with Hubert Markl over 30 years.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25673406" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/organization & administration ; Animals ; Germany ; History, 20th Century ; History, 21st Century ; *Leadership ; Research/*organization & administration ; United States ; Universities/organization & administration ; Zoology/*history
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    Gene editing: Survey invites opinions (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Camporesi, Silvia -- Marks, Lara -- England -- Nature. 2015 Nov 26;527(7579):446. doi: 10.1038/527446c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉King's College London, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26607533" target="_blank"〉PubMed〈/a〉
    Keywords: *CRISPR-Cas Systems ; Congresses as Topic ; *Genetic Engineering ; National Academy of Sciences (U.S.) ; *Public Opinion ; *Surveys and Questionnaires ; United States
    Print ISSN: 0028-0836
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    Robert A. Berner (1935-2015) (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Canfield, Don -- England -- Nature. 2015 Feb 26;518(7540):484. doi: 10.1038/518484a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nordic Center for Earth Evolution (NordCEE) at the University of Southern Denmark in Odense, Denmark. He was a PhD student of Bob Berner's from 1982 to 1988 at Yale University in New Haven, Connecticut.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25719659" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atmosphere/chemistry ; Biological Evolution ; *Carbon Cycle ; Carbon Dioxide/analysis/metabolism ; Geologic Sediments/chemistry ; Geology/*history ; History, 20th Century ; History, 21st Century ; Ice Cover ; Oxygen/analysis/metabolism ; Plants/metabolism ; United States
    Print ISSN: 0028-0836
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    [This Week in Science] Synthetic twists among lipids (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2016-04-29
    Description: Author: Jake Yeston
    Keywords: Chemistry
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    [This Week in Science] Temporarily caught in a bind (2016)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2016-03-18
    Description: Author: Marc S. Lavine
    Keywords: Chemistry
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    [Perspective] Quantum dynamics in the smallest water droplet (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2016-03-18
    Description: Water plays a central role in scientific disciplines ranging from geology to astronomy to biology. Yet it is an extraordinarily dif cult liquid to understand because of its complex, ever-changing patterns of hydrogen bonds. Studies of small water clusters have provided important insights into the concerted hydrogen-bond motions that can occur in water. These studies are also crucial for developing an accurate potential function for simulating the properties of liquid water and ice (1). On page 1310 of this issue, Richardson et al. (2) provide evidence for a concerted type of motion in which two hydrogen bonds in a water cluster are broken simultaneously (see the figure). The results have implications for many areas of scientific study, including the chemistry of polar solvents, the conformations of proteins, and the dissolution of ions in minerals. Author: David C. Clary
    Keywords: Chemistry
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    [Editors' Choice] Beyond blank slates in the lab notebook (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2016-03-18
    Description: Author: Jake Yeston
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    [Perspective] Surprised by selectivity (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2016-03-04
    Description: Lower olefins, particularly ethylene (C2H4), propylene (C3H6), and butylene (C4H8), are important intermediates in the manufacture of products such as plastics, solvents, paints, and medicines. They are produced worldwide in amounts exceeding 200 million tons per year (see the photo) (1), mostly from crude oil. More recent approaches use methanol or synthesis gas (syngas; a mixture of carbon monoxide and hydrogen) as feedstocks, but capital investments are high and/or selectivities to lower olefins limited. A bifunctional catalyst reported by Jiao et al. on page 1065 of this issue (2) enables the direct conversion of synthesis gas to lower olefins with a surprisingly high selectivity. Author: Krijn P. de Jong
    Keywords: Chemistry
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    Carbon nanotubes help nickel work in water (2018)
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    In: Science
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    Publication Date: 2018-10-19
    Keywords: Chemistry
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    Chiral Lewis acids integrated with single-walled carbon nanotubes for asymmetric catalysis in water (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-10-19
    Description: The development of highly reactive and stereoselective catalytic systems is required not only to improve existing synthetic methods but also to invent distinct chemical reactions. Herein, a homogenized combination of nickel-based Lewis acid–surfactant-combined catalysts and single-walled carbon nanotubes is shown to exhibit substantial activity in water. In addition to the enhanced reactivity, stereoselective performance and long-term stability were demonstrated in asymmetric conjugate addition reactions of aldoximes to furnish chiral nitrones in high yields with excellent selectivities. The practical and straightforward application of the designed catalysts in water provides an expedient, environmentally benign, and highly efficient pathway to access optically active compounds.
    Keywords: Chemistry
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    Steps to smaller rings (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-11-02
    Keywords: Chemistry
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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    Pinpointing the role of geometric phase (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-12-14
    Keywords: Chemistry
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    Salt and iron ease the way to amines (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-10-26
    Keywords: Chemistry
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    Catalytic palladium-oxyallyl cycloaddition (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-11-02
    Description: Exploration of intermediates that enable chemoselective cycloaddition reactions and expeditious construction of fused- or bridged-ring systems is a continuous challenge for organic synthesis. As an intermediate of interest, the oxyallyl cation has been harnessed to synthesize architectures containing seven-membered rings via (4+3) cycloaddition. However, its potential to access five-membered skeletons is underdeveloped, largely due to the thermally forbidden (3+2) pathway. Here, the combination of a tailored precursor and a Pd(0) catalyst generates a Pd-oxyallyl intermediate that cyclizes with conjugated dienes to produce a diverse array of tetrahydrofuran skeletons. The cycloaddition overrides conventional (4+3) selectivity by proceeding through a stepwise pathway involving a Pd-allyl transfer and ring closure sequence. Subsequent treatment of the (3+2) adducts with a palladium catalyst converts the heterocycles to the carbocyclic cyclopentanones.
    Keywords: Chemistry
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    Heterocycles meet and marry on phosphorus (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
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    Publication Date: 2018-11-16
    Keywords: Chemistry
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    Budget showdown leaves US science agencies in limbo (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-08-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cesare, Chris -- England -- Nature. 2015 Jul 30;523(7562):513-4. doi: 10.1038/523513a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26223606" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets/*legislation & jurisprudence/trends ; National Institutes of Health (U.S.)/economics ; *Politics ; Science/*economics ; Time Factors ; United States ; United States Government Agencies/*economics ; United States National Aeronautics and Space Administration/economics
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    Environmental science: Pollution patrol (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-01-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Austen, Kat -- England -- Nature. 2015 Jan 8;517(7533):136-8. doi: 10.1038/517136a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25567265" target="_blank"〉PubMed〈/a〉
    Keywords: Air/analysis ; Air Pollution/adverse effects/*analysis ; Animals ; Columbidae ; Environmental Exposure/adverse effects/*analysis/statistics & numerical data ; Environmental Monitoring/economics/*instrumentation/statistics & numerical data ; Humans ; Mongolia ; Monitoring, Ambulatory/economics/instrumentation ; Particulate Matter/adverse effects/*analysis ; Public Health ; United States ; United States Environmental Protection Agency ; World Health Organization
    Print ISSN: 0028-0836
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    Racial bias continues to haunt NIH grants (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-11-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Check Hayden, Erika -- England -- Nature. 2015 Nov 19;527(7578):286-7. doi: 10.1038/527286a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26581270" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research/economics/manpower ; Continental Population Groups/statistics & numerical data ; Faculty/statistics & numerical data ; Financing, Organized/*organization & administration/*statistics & numerical data ; Humans ; Mentors ; Minority Groups/education/statistics & numerical data ; *National Institutes of Health (U.S.)/economics ; Peer Review, Research ; Racism/*statistics & numerical data ; Research Personnel/education/*statistics & numerical data ; United States
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    Testing times (2015)
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    Details
    Publication Date: 2015-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Oct 1;526(7571):5. doi: 10.1038/526005a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26432201" target="_blank"〉PubMed〈/a〉
    Keywords: Automobiles/*standards ; Environmental Monitoring/economics/*legislation & jurisprudence ; Fraud/*legislation & jurisprudence ; Germany ; United States ; United States Environmental Protection Agency/economics/*legislation & ; jurisprudence/standards ; Vehicle Emissions/*analysis
    Print ISSN: 0028-0836
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    Corruption: Good governance powers innovation (2015)
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    Publication Date: 2015-02-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mungiu-Pippidi, Alina -- England -- Nature. 2015 Feb 19;518(7539):295-7. doi: 10.1038/518295a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hertie School of Governance in Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25693546" target="_blank"〉PubMed〈/a〉
    Keywords: Cost Allocation ; *Diffusion of Innovation ; Europe ; European Union/economics ; *Federal Government ; Models, Economic ; Public Sector/*economics/*ethics ; United States
    Print ISSN: 0028-0836
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    'Digital chimp' trove preserves brains of retired apes (2015)
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    Publication Date: 2015-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- England -- Nature. 2015 Nov 26;527(7579):422-3. doi: 10.1038/527422a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26607523" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Laboratory ; *Biological Specimen Banks ; Brain/anatomy & histology/physiology ; *Databases, Factual ; Endangered Species ; Gene Expression Profiling ; Humans ; *Libraries, Digital ; Models, Animal ; National Institutes of Health (U.S.) ; Neurobiology/*methods ; *Pan troglodytes/genetics/physiology ; United States
    Print ISSN: 0028-0836
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    Global summit reveals divergent views on human gene editing (2015)
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    Publication Date: 2015-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- England -- Nature. 2015 Dec 10;528(7581):173. doi: 10.1038/528173a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26659159" target="_blank"〉PubMed〈/a〉
    Keywords: China ; Congresses as Topic ; Embryo Research/*ethics ; Genetic Engineering/*ethics/legislation & jurisprudence/standards/trends ; Great Britain ; Humans ; United States
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
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    Lessons must be learned after psychology torture inquiry (2015)
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    Publication Date: 2015-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Jul 16;523(7560):255. doi: 10.1038/523255a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26178926" target="_blank"〉PubMed〈/a〉
    Keywords: History, 20th Century ; History, 21st Century ; Humans ; Military Science/ethics/*history ; Prisoners/*history/*psychology ; Societies, Scientific/ethics/history ; Torture/*ethics/*history/psychology ; United States ; United States Department of Defense/ethics/history
    Print ISSN: 0028-0836
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    Anti-ageing pill pushed as bona fide drug (2015)
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    Publication Date: 2015-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Check Hayden, Erika -- England -- Nature. 2015 Jun 18;522(7556):265-6. doi: 10.1038/522265a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26085249" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/*drug effects/physiology ; Animals ; Caloric Restriction ; *Clinical Trials as Topic ; Cognition Disorders/prevention & control ; Diabetes Mellitus/prevention & control ; Dogs ; Drug Approval/*legislation & jurisprudence ; Glucose/metabolism ; *Health ; Heart Diseases/prevention & control ; Humans ; Longevity/*drug effects ; Metformin/*pharmacology ; Mice ; Neoplasms/prevention & control ; Rejuvenation/*physiology ; Survival Analysis ; United States ; United States Food and Drug Administration/legislation & jurisprudence
    Print ISSN: 0028-0836
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    US agencies plan research-ethics overhaul (2015)
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    Publication Date: 2015-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ledford, Heidi -- England -- Nature. 2015 Sep 10;525(7568):166. doi: 10.1038/nature.2015.18309.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26354461" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/*ethics/*legislation & jurisprudence ; Confidentiality/*ethics/*legislation & jurisprudence ; Drug Industry/legislation & jurisprudence ; Humans ; Infant, Newborn ; Informed Consent/ethics/legislation & jurisprudence ; Neonatal Screening/ethics ; Precision Medicine/ethics/trends ; United States ; *United States Dept. of Health and Human Services
    Print ISSN: 0028-0836
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    US astronomers rally to end sexual harassment (2015)
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    Publication Date: 2015-10-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Witze, Alexandra -- England -- Nature. 2015 Oct 22;526(7574):483-4. doi: 10.1038/526483a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26490593" target="_blank"〉PubMed〈/a〉
    Keywords: Astronomy/*manpower ; California ; *Research Personnel ; Sexual Harassment/*prevention & control ; United States ; Universities/manpower
    Print ISSN: 0028-0836
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    Gene-testing firms set sights on drug development (2015)
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    Publication Date: 2015-05-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Check Hayden, Erika -- England -- Nature. 2015 Apr 30;520(7549):597-8. doi: 10.1038/520597a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25925454" target="_blank"〉PubMed〈/a〉
    Keywords: Databases, Genetic ; Datasets as Topic/trends ; Drug Discovery/economics/*organization & administration/*trends ; Drug Industry/economics/organization & administration ; Genetic Testing/economics/legislation & jurisprudence/*utilization ; Humans ; Social Networking ; United States ; United States Food and Drug Administration/legislation & jurisprudence
    Print ISSN: 0028-0836
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    US vaccine researcher sentenced to prison for fraud (2015)
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    Publication Date: 2015-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- England -- Nature. 2015 Jul 9;523(7559):138-9. doi: 10.1038/nature.2015.17660.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26156353" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/*standards ; Financing, Government/economics/ethics ; *Prisons ; Research Personnel/*ethics ; *Scientific Misconduct ; United States
    Print ISSN: 0028-0836
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    The military-bioscience complex (2015)
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    Publication Date: 2015-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- England -- Nature. 2015 Jun 11;522(7555):142-4. doi: 10.1038/522142a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26062493" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Artificial Limbs/trends ; *Bionics/trends ; *Brain/physiology ; Dogs ; *Federal Government ; Goals ; Humans ; Memory/physiology ; Military Personnel/psychology ; Military Science/*methods ; Smell ; United States
    Print ISSN: 0028-0836
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    Congress seeks to quash patent trolls (2015)
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    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ledford, Heidi -- England -- Nature. 2015 May 21;521(7552):270-1. doi: 10.1038/521270a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25993936" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Federal Government ; Licensure/legislation & jurisprudence ; Mice ; Mice, Transgenic ; Patents as Topic/*legislation & jurisprudence ; United States ; Universities/legislation & jurisprudence
    Print ISSN: 0028-0836
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    Gene politics (2015)
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    Publication Date: 2015-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Jul 2;523(7558):5-6. doi: 10.1038/523005b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26135411" target="_blank"〉PubMed〈/a〉
    Keywords: Bioethics/trends ; *Genetic Therapy/ethics/legislation & jurisprudence/trends ; *Genome, Human ; Humans ; *Politics ; United States ; United States Food and Drug Administration/ethics
    Print ISSN: 0028-0836
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    US 'export rules' threaten research (2015)
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    Publication Date: 2015-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Witze, Alexandra -- England -- Nature. 2015 Jun 18;522(7556):266-7. doi: 10.1038/522266a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26085250" target="_blank"〉PubMed〈/a〉
    Keywords: Communication ; Computer Security/legislation & jurisprudence ; Confidentiality/*legislation & jurisprudence ; *Cooperative Behavior ; Industry/legislation & jurisprudence/manpower/organization & administration ; International Cooperation/*legislation & jurisprudence ; Research/*legislation & jurisprudence/manpower/*organization & administration ; Research Personnel/*legislation & jurisprudence ; Security Measures/*legislation & jurisprudence ; United States
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    Biomedicine wins big in US budget deal (2015)
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    Publication Date: 2015-12-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- Cesare, Chris -- Ledford, Heidi -- England -- Nature. 2015 Dec 24;528(7583):446. doi: 10.1038/nature.2015.19057.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26701033" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease ; Biomedical Research/*economics ; Budgets/*legislation & jurisprudence ; Embryo Research/legislation & jurisprudence ; *Federal Government ; Food Labeling/legislation & jurisprudence ; Food, Genetically Modified ; Humans ; National Institutes of Health (U.S.)/*economics ; Neurosciences/economics ; Precision Medicine/economics ; United States ; United States Food and Drug Administration/economics ; United States National Aeronautics and Space Administration/economics
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    North America (2015)
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    Publication Date: 2015-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Jun 18;522(7556):S4-7. doi: 10.1038/522S4a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26083861" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Science Disciplines/manpower/standards/statistics & numerical data ; Budgets ; Canada ; National Institutes of Health (U.S.)/economics/organization & administration ; Research/economics/manpower/*standards/*statistics & numerical data ; United States ; Universities/standards/statistics & numerical data
    Print ISSN: 0028-0836
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    Five Solar System sights NASA should visit (2015)
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    Publication Date: 2015-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Witze, Alexandra -- England -- Nature. 2015 Mar 19;519(7543):274-5. doi: 10.1038/519274a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25788076" target="_blank"〉PubMed〈/a〉
    Keywords: Astronauts ; Jupiter ; Mars ; Minor Planets ; Moon ; Space Flight/*trends ; United States ; United States National Aeronautics and Space Administration/*trends ; Venus
    Print ISSN: 0028-0836
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    Institutions: Funders must not coerce scientists (2015)
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    Publication Date: 2015-08-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Helsell, Cole -- England -- Nature. 2015 Aug 20;524(7565):291. doi: 10.1038/524291d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, San Francisco, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26289199" target="_blank"〉PubMed〈/a〉
    Keywords: Conflict of Interest ; Humans ; Politics ; Psychology/economics/*ethics ; Research Personnel/economics/*ethics ; Societies, Scientific/*economics/*ethics ; United States ; United States Department of Defense/economics/*ethics
    Print ISSN: 0028-0836
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    Antibody anarchy: A call to order (2015)
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    Publication Date: 2015-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baker, Monya -- England -- Nature. 2015 Nov 26;527(7579):545-51. doi: 10.1038/527545a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nature in San Francisco, California.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26607547" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/*immunology ; Antibody Specificity/*immunology ; Cross Reactions/immunology ; Humans ; Immunoassay/*methods/*standards ; Indicators and Reagents/standards ; International Cooperation ; Mice ; National Institutes of Health (U.S.) ; Neuroanatomy/methods/standards ; Periodicals as Topic ; Reproducibility of Results ; United States
    Print ISSN: 0028-0836
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