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  • 1
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    Applying pulse-echo NMR to shaly sand formation evaluation (1994)
    Soc. Professional Well Log Analysts
    In:  Paper presented at the National SPWLA Convention, Tulsa, Oklahoma, Soc. Professional Well Log Analysts, vol. 10, no. GL-TR-89-0314, pp. 627-635
    Details
    Publication Date: 1994
    Keywords: Borehole geophys. ; Applied geophysics ; NML ; Fluids
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Controllable 0–π Josephson junctions containing a ferromagnetic spin valve (2016)
    Springer Nature
    Details
    Publication Date: 2016-06-03
    Description: Nature Physics 12, 564 (2016). doi:10.1038/nphys3681 Authors: E. C. Gingrich, Bethany M. Niedzielski, Joseph A. Glick, Yixing Wang, D. L. Miller, Reza Loloee, W. P. Pratt Jr & Norman O. Birge Superconductivity and ferromagnetism are antagonistic forms of order, and rarely coexist. Many interesting new phenomena occur, however, in hybrid superconducting/ferromagnetic systems. For example, a Josephson junction containing a ferromagnetic material can exhibit an intrinsic phase shift of π in its ground state for certain thicknesses of the material. Such ‘π-junctions’ were first realized experimentally in 2001 (refs ,), and have been proposed as circuit elements for both high-speed classical superconducting computing and for quantum computing. Here we demonstrate experimentally that the phase state of a Josephson junction containing two ferromagnetic layers can be toggled between 0 and π by changing the relative orientation of the two magnetizations. These controllable 0–π junctions have immediate applications in cryogenic memory, where they serve as a necessary component to an ultralow power superconducting computer. Such a fully superconducting computer is estimated to be orders of magnitude more energy-efficient than current semiconductor-based supercomputers. Phase-controllable junctions also open up new possibilities for superconducting circuit elements such as superconducting ‘programmable logic’, where they could function in superconducting analogues to field-programmable gate arrays.
    Print ISSN: 1745-2473
    Electronic ISSN: 1745-2481
    Topics: Physics
    Published by Springer Nature
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  • 3
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    Zero-energy modes and gate-tunable gap in graphene on hexagonal boron nitride (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-09-14
    Description: Author(s): M. Kindermann, Bruno Uchoa, and D. L. Miller In this article, we derive an effective theory of graphene on a hexagonal boron nitride (h-BN) substrate. We show that the h-BN substrate generically opens a spectral gap in graphene despite the lattice mismatch. The origin of that gap is particularly intuitive in the regime of strong coupling betwe... [Phys. Rev. B 86, 115415] Published Thu Sep 13, 2012
    Keywords: Surface physics, nanoscale physics, low-dimensional systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
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    Protein complex confers protection against malaria [Microbiology] (2014)
    National Academy of Sciences
    Details
    Publication Date: 2014-07-16
    Description: An essential step in the invasion of red blood cells (RBCs) by Plasmodium falciparum (Pf) merozoites is the binding of rhoptry neck protein 2 (RON2) to the hydrophobic groove of apical membrane antigen 1 (AMA1), triggering junction formation between the apical end of the merozoite and the RBC surface to...
    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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    Exact solution of large asymmetric traveling salesman problems (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-15
    Description: The traveling salesman problem is one of a class of difficult problems in combinatorial optimization that is representative of a large number of important scientific and engineering problems. A survey is given of recent applications and methods for solving large problems. In addition, an algorithm for the exact solution of the asymmetric traveling salesman problem is presented along with computational results for several classes of problems. The results show that the algorithm performs remarkably well for some classes of problems, determining an optimal solution even for problems with large numbers of cities, yet for other classes, even small problems thwart determination of a provably optimal solution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, D L -- Pekny, J F -- New York, N.Y. -- Science. 1991 Feb 15;251(4995):754-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17775454" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    The cytosensor microphysiometer: biological applications of silicon technology (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-09-25
    Description: A silicon-based device, dubbed a microphysiometer, can be used to detect and monitor the response of cells to a variety of chemical substances, especially ligands for specific plasma membrane receptors. The microphysiometer measures the rate of proton excretion from 10(4) to 10(6) cells. This article gives an overview of experiments currently being carried out with this instrument with emphasis on receptors with seven transmembrane helices and tyrosine kinase receptors. As a scientific instrument, the microphysiometer can be thought of as serving two distinct functions. In terms of detecting specific molecules, selected biological cells in this instrument serve as detectors and amplifiers. The microphysiometer can also investigate cell function and biochemistry. A major application of this instrument may prove to be screening for new receptor ligands. In this respect, the microphysiometer appears to offer significant advantages over other techniques.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McConnell, H M -- Owicki, J C -- Parce, J W -- Miller, D L -- Baxter, G T -- Wada, H G -- Pitchford, S -- New York, N.Y. -- Science. 1992 Sep 25;257(5078):1906-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1329199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biotechnology ; *Cell Physiological Phenomena ; Cells, Cultured ; Culture Media ; HIV Infections/physiopathology ; Humans ; *Hydrogen-Ion Concentration ; In Vitro Techniques ; Potentiometry/*instrumentation ; Receptors, Cell Surface/physiology ; Silicon
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Observing the quantization of zero mass carriers in graphene (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-16
    Description: Application of a magnetic field to conductors causes the charge carriers to circulate in cyclotron orbits with quantized energies called Landau levels (LLs). These are equally spaced in normal metals and two-dimensional electron gases. In graphene, however, the charge carrier velocity is independent of their energy (like massless photons). Consequently, the LL energies are not equally spaced and include a characteristic zero-energy state (the n = 0 LL). With the use of scanning tunneling spectroscopy of graphene grown on silicon carbide, we directly observed the discrete, non-equally-spaced energy-level spectrum of LLs, including the hallmark zero-energy state of graphene. We also detected characteristic magneto-oscillations in the tunneling conductance and mapped the electrostatic potential of graphene by measuring spatial variations in the energy of the n = 0 LL.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, David L -- Kubista, Kevin D -- Rutter, Gregory M -- Ruan, Ming -- de Heer, Walt A -- First, Phillip N -- Stroscio, Joseph A -- New York, N.Y. -- Science. 2009 May 15;324(5929):924-7. doi: 10.1126/science.1171810.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Physics, Georgia Institute of Technology, Atlanta, GA 30332, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19443780" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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    Cell nonautonomous activation of flavin-containing monooxygenase promotes longevity and health span (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-11-21
    Description: Stabilization of the hypoxia-inducible factor 1 (HIF-1) increases life span and health span in nematodes through an unknown mechanism. We report that neuronal stabilization of HIF-1 mediates these effects in Caenorhabditis elegans through a cell nonautonomous signal to the intestine, which results in activation of the xenobiotic detoxification enzyme flavin-containing monooxygenase-2 (FMO-2). This prolongevity signal requires the serotonin biosynthetic enzyme TPH-1 in neurons and the serotonin receptor SER-7 in the intestine. Intestinal FMO-2 is also activated by dietary restriction (DR) and is necessary for DR-mediated life-span extension, which suggests that this enzyme represents a point of convergence for two distinct longevity pathways. FMOs are conserved in eukaryotes and induced by multiple life span-extending interventions in mice, which suggests that these enzymes may play a critical role in promoting health and longevity across phyla.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leiser, Scott F -- Miller, Hillary -- Rossner, Ryan -- Fletcher, Marissa -- Leonard, Alison -- Primitivo, Melissa -- Rintala, Nicholas -- Ramos, Fresnida J -- Miller, Dana L -- Kaeberlein, Matt -- P30AG013280/AG/NIA NIH HHS/ -- R00AGA0033050/PHS HHS/ -- R01AG038518/AG/NIA NIH HHS/ -- T32AG000057/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 11;350(6266):1375-8. doi: 10.1126/science.aac9257. Epub 2015 Nov 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Washington, Seattle, WA 98195, USA. ; Department of Biochemistry, University of Washington, Seattle, WA 98195, USA. ; Department of Pathology, University of Washington, Seattle, WA 98195, USA. kaeber@uw.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586189" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic Helix-Loop-Helix Transcription Factors/metabolism ; Caenorhabditis elegans/genetics/metabolism/*physiology ; Caenorhabditis elegans Proteins/chemistry/genetics/metabolism/*physiology ; Diet ; Intestines/*enzymology ; Longevity/genetics/*physiology ; Mice ; Neurons/*metabolism ; Oxygenases/genetics/*physiology ; Protein Stability ; RNA Interference ; Receptors, Serotonin/metabolism ; Signal Transduction ; Transcription Factors/chemistry/*metabolism ; Tryptophan Hydroxylase/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 9
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    Platelet aggregation induced by ultrasound under specialized conditions in vitro (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-03
    Description: Human platelets were induced by 2.1-megahertz ultrasound to form aggregates around gas-filled pores in membranes immersed in platelet-rich plasma. The spatial peak intensities required were only about 16 to 32 milliwatts per square centimeter. Ultrasound generated by a medical Doppler device, whose intensity exceeded this, induced aggregate formation under the same conditions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, D L -- Nyborg, W L -- Whitcomb, C C -- New York, N.Y. -- Science. 1979 Aug 3;205(4405):505-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/451616" target="_blank"〉PubMed〈/a〉
    Keywords: Blood Platelets/radiation effects/*ultrastructure ; Humans ; Male ; Microscopy, Electron, Scanning ; Platelet Aggregation/*radiation effects ; *Ultrasonics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 10
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    Crystallization of recombinant human leukocyte interferon A (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, D L -- Kung, H F -- Pestka, S -- New York, N.Y. -- Science. 1982 Feb 5;215(4533):689-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6173922" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular/methods ; Crystallization ; *Interferons/genetics ; Polyethylene Glycols
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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