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Single neurons in monkey prefrontal cortex encode volitional initiation of vocalizations (2013)

Steffen R. Hage; Andreas Nieder

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Article The Broca area is located in the human prefrontal cortex and is involved in voluntary speech. Hage and Nieder now show that a monkey homologue of Broca’s area is similarly responsible for monkey volitional vocalizations. Nature Communications doi: 10.1038/ncomms3409 Authors: Steffen R. Hage, Andreas Nieder

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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Quantal and graded stimulation of B lymphocytes as alternative strategies for regulating adaptive immune responses (2013)

E.D. Hawkins; M.L. Turner; C.J. Wellard; J.H.S. Zhou; M.R. Dowling; P.D. Hodgkin

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Article B lymphocytes respond to stimulation by proliferating and differentiating. Here the authors quantify and model the responses of B lymphocytes to TLR and CD40-dependent stimulation, and find that the latter induces a more complex response to signals of varying strength. Nature Communications doi: 10.1038/ncomms3406 Authors: E.D. Hawkins, M.L. Turner, C.J. Wellard, J.H.S. Zhou, M.R. Dowling, P.D. Hodgkin

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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Erratum: TRF1 is a stem cell marker and is essential for the generation of induced pluripotent stem cells (2013)

Ralph P. Schneider; Ianire Garrobo; Miguel Foronda; Jose A. Palacios; Rosa M. Marión; Ignacio Flores; Sagrario Ortega; Maria A. Blasco

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Erratum Nature Communications doi: 10.1038/ncomms3309 Authors: Ralph P. Schneider, Ianire Garrobo, Miguel Foronda, Jose A. Palacios, Rosa M. Marión, Ignacio Flores, Sagrario Ortega, Maria A. Blasco

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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4

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Noble metal nanoclusters and nanoparticles precede mineral formation in magmatic sulphide melts (2013)

Hassan M. Helmy; Chris Ballhaus; Raúl O.C. Fonseca; Richard Wirth; Thorsten Nagel; Marian Tredoux

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Article It has long been suggested, but never shown, than nanometre-sized particles precede mineral formation in magmatic systems. Here, Helmy et al. demonstrate that platinum and arsenic self-organize to nanoparticle precursors in magmatic liquids before mineral crystallization. Nature Communications doi: 10.1038/ncomms3405 Authors: Hassan M. Helmy, Chris Ballhaus, Raúl O.C. Fonseca, Richard Wirth, Thorsten Nagel, Marian Tredoux

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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High-resolution three-dimensional mapping of mRNA export through the nuclear pore (2013)

Jiong Ma; Zhen Liu; Nicole Michelotti; Sethuramasundaram Pitchiaya; Ram Veerapaneni; John R. Androsavich; Nils G. Walter; Weidong Yang

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Article Messenger RNAs and their associated proteins are transported from the nucleus through highly selective nuclear pore complexes. Using ultrahigh resolution single-molecule imaging, the authors visualise the path taken by each messenger RNA as it negotiates the pore’s selectivity filter. Nature Communications doi: 10.1038/ncomms3414 Authors: Jiong Ma, Zhen Liu, Nicole Michelotti, Sethuramasundaram Pitchiaya, Ram Veerapaneni, John R. Androsavich, Nils G. Walter, Weidong Yang

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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6

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Identification of a splice variant of mouse TRPA1 that regulates TRPA1 activity (2013)

Yiming Zhou; Yoshiro Suzuki; Kunitoshi Uchida; Makoto Tominaga

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Article TRPA1 is a transient receptor potential channel family member and is involved in the detection of nociceptive stimuli. Zhou et al. identify an alternative splice variant of TRPA1, which increases TRPA1 plasma expression and channel function, and enhances pain-like behaviour in mice. Nature Communications doi: 10.1038/ncomms3399 Authors: Yiming Zhou, Yoshiro Suzuki, Kunitoshi Uchida, Makoto Tominaga

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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7

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Corrigendum: Delivery of therapeutic agents by nanoparticles made of grapefruit-derived lipids (2013)

Qilong Wang; Xiaoying Zhuang; Jingyao Mu; Zhong-Bin Deng; Hong Jiang; Lifeng Zhang; Xiaoyu Xiang; Baomei Wang; Jun Yan; Donald Miller; Huang-Ge Zhang

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Corrigendum Nature Communications doi: 10.1038/ncomms3358 Authors: Qilong Wang, Xiaoying Zhuang, Jingyao Mu, Zhong-Bin Deng, Hong Jiang, Lifeng Zhang, Xiaoyu Xiang, Baomei Wang, Jun Yan, Donald Miller, Huang-Ge Zhang

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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8

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In situ observation of filamentary conducting channels in an asymmetric Ta2O5−x/TaO2−x bilayer structure (2013)

Gyeong-Su Park; Young Bae Kim; Seong Yong Park; Xiang Shu Li; Sung Heo; Myoung-Jae Lee; Man Chang; Ji Hwan Kwon; M. Kim; U-In Chung; Regina Dittmann; Rainer Waser; Kinam Kim

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-08

Beschreibung: Article Despite its importance for non-volatile memory, the origin of resistive switching in a metal insulator-metal structure is unclear. Park et al. fabricate such a structure inside a transmission electron microscope to show that switching occurs via oxygen-vacancy migration, which changes the conduction channels. Nature Communications doi: 10.1038/ncomms3382 Authors: Gyeong-Su Park, Young Bae Kim, Seong Yong Park, Xiang Shu Li, Sung Heo, Myoung-Jae Lee, Man Chang, Ji Hwan Kwon, M. Kim, U-In Chung, Regina Dittmann, Rainer Waser, Kinam Kim

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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9

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Decadal trends in the Antarctic sea ice extent ultimately controlled by ice-ocean feedback (2013)

Copernicus

In: The Cryosphere Discussions

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Publikationsdatum: 2013-09-12

Beschreibung: Decadal trends in the Antarctic sea ice extent ultimately controlled by ice-ocean feedback The Cryosphere Discussions, 7, 4585-4632, 2013 Author(s): H. Goosse and V. Zunz The large natural variability of the Antarctic sea ice is a key characteristic of the system that might be responsible for the small positive trend in sea ice extent observed since 1979. In order to gain insight in the processes responsible for this variability, we have analysed in a control simulation performed with a coupled climate model a strong positive ice-ocean feedback that amplifies sea ice variations. When sea ice concentration increases in a region, in particular close to the ice edge, the mixed layer depth tends to decrease. This can be caused by a net inflow of ice and thus of freshwater that stabilizes the water column. Another stabilizing mechanism at interannual time scales that appears more widespread in our simulation is associated with the downward salt transport due to the seasonal cycle of ice formation: brine is released in winter when ice is formed and mixed over a deep layer while the freshwater flux caused by ice melting is included in a shallow layer, resulting in a net vertical transport of salt. Because of this stronger stratification due to the presence of sea ice, more heat is stored at depth in the ocean and the vertical oceanic heat flux is reduced, which contributes to maintain a higher ice extent. This positive feedback is not associated with a particular spatial pattern. Consequently, the spatial distribution of the trend in ice concentration is largely imposed by the wind changes that can provide the initial perturbation. A positive freshwater flux could alternatively be the initial trigger but the amplitude of the final response of the sea ice extent is finally set up by the amplification related to ice-ocean feedback. Initial conditions have also an influence as the chance to have a large increase in ice extent is higher if starting from a state characterized by a low value.

Print ISSN: 1994-0432

Digitale ISSN: 1994-0440

Thema: Geographie , Geologie und Paläontologie

Publiziert von Copernicus im Namen von The European Geosciences Union (EGU).

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10

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Directing reaction pathways by catalyst active-site selection using self-assembled monolayers (2013)

Simon H. Pang; Carolyn A. Schoenbaum; Daniel K. Schwartz; J. Will Medlin

Springer Nature

In: Nature Communications

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Publikationsdatum: 2013-09-14

Beschreibung: Article Control of active sites of heterogeneous catalysts can lead to enhanced product selectivity. Here, the authors use self-assembled alkanethiolate monolayers with varying surface densities to tune the selectivity of hydrogenation and hydrodeoxygenation of furfural on supported palladium catalysts. Nature Communications doi: 10.1038/ncomms3448 Authors: Simon H. Pang, Carolyn A. Schoenbaum, Daniel K. Schwartz, J. Will Medlin

Digitale ISSN: 2041-1723

Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft , Physik

Publiziert von Springer Nature

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