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  • Electronic structure and strongly correlated systems  (3)
  • *Virus Internalization  (1)
  • Astrophysics  (1)
  • 1
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    Pressure-induced spin reorientation and spin state transition in SrCoO_{3} (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-11-26
    Description: Author(s): J.-Y. Yang, C. Terakura, M. Medarde, J. S. White, D. Sheptyakov, X.-Z. Yan, N.-N. Li, W.-G. Yang, H.-L. Xia, J.-H. Dai, Y.-Y. Yin, Y.-Y. Jiao, J.-G. Cheng, Y.-L. Bu, Q.-F. Zhang, X.-D. Li, C.-Q. Jin, Y. Taguchi, Y. Tokura, and Y.-W. Long A series of high-pressure measurements including resistivity, ac and dc magnetic susceptibility, neutron powder diffraction, and synchrotron x-ray diffraction were performed to investigate the crystal structure and electronic states of the itinerant ferromagnet SrCo O 3 . Two pressure-induced phase tra… [Phys. Rev. B 92, 195147] Published Tue Nov 24, 2015
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 2
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    Experimental elucidation of the origin of the ‘double spin resonances’ in Ba(Fe_{1−x} Co_{x} )_{2} As_{2} (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-05-28
    Description: Author(s): Meng Wang, M. Yi, H. L. Sun, P. Valdivia, M. G. Kim, Z. J. Xu, T. Berlijn, A. D. Christianson, Songxue Chi, M. Hashimoto, D. H. Lu, X. D. Li, E. Bourret-Courchesne, Pengcheng Dai, D. H. Lee, T. A. Maier, and R. J. Birgeneau We report a combined study of the spin resonances and superconducting gaps for underdoped ( T c = 19 K), optimally doped ( T c = 25 K), and overdoped ( T c = 19 K) Ba ( Fe 1 − x Co x ) 2 As 2 single crystals with inelastic neutron scattering and angle resolved photoemission spectroscopy. We find a quasi-two-dimensional sp… [Phys. Rev. B 93, 205149] Published Thu May 26, 2016
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
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    Quantitative 3D video microscopy of HIV transfer across T cell virological synapses (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-28
    Description: The spread of HIV between immune cells is greatly enhanced by cell-cell adhesions called virological synapses, although the underlying mechanisms have been unclear. With use of an infectious, fluorescent clone of HIV, we tracked the movement of Gag in live CD4 T cells and captured the direct translocation of HIV across the virological synapse. Quantitative, high-speed three-dimensional (3D) video microscopy revealed the rapid formation of micrometer-sized "buttons" containing oligomerized viral Gag protein. Electron microscopy showed that these buttons were packed with budding viral crescents. Viral transfer events were observed to form virus-laden internal compartments within target cells. Continuous time-lapse monitoring showed preferential infection through synapses. Thus, HIV dissemination may be enhanced by virological synapse-mediated cell adhesion coupled to viral endocytosis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2756521/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2756521/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hubner, Wolfgang -- McNerney, Gregory P -- Chen, Ping -- Dale, Benjamin M -- Gordon, Ronald E -- Chuang, Frank Y S -- Li, Xiao-Dong -- Asmuth, David M -- Huser, Thomas -- Chen, Benjamin K -- 5R24 CA095823-04/CA/NCI NIH HHS/ -- AI074420-02/AI/NIAID NIH HHS/ -- DP1 DA028866/DA/NIDA NIH HHS/ -- R01 AI074420/AI/NIAID NIH HHS/ -- R01 AI074420-01A2/AI/NIAID NIH HHS/ -- R01 AI074420-02/AI/NIAID NIH HHS/ -- S10RR09145-01/RR/NCRR NIH HHS/ -- ULRR024146/PHS HHS/ -- New York, N.Y. -- Science. 2009 Mar 27;323(5922):1743-7. doi: 10.1126/science.1167525.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Infectious Diseases, Department of Medicine, Immunology Institute, Mount Sinai School of Medicine, New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325119" target="_blank"〉PubMed〈/a〉
    Keywords: CD4-Positive T-Lymphocytes/*physiology/ultrastructure/*virology ; *Cell Adhesion ; Coculture Techniques ; Cytochalasin D/pharmacology ; Endocytosis ; HIV/*physiology/ultrastructure ; Humans ; Imaging, Three-Dimensional ; Jurkat Cells ; Microscopy, Confocal ; Microscopy, Electron, Transmission ; Microscopy, Video ; Receptors, CCR5/metabolism ; Receptors, CXCR4/metabolism ; Recombinant Fusion Proteins/metabolism ; *Virus Internalization ; gag Gene Products, Human Immunodeficiency Virus/*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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  • 4
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    Hexagonal phase stabilization and magnetic orders of multiferroic Lu_{1−x} Sc_{x} FeO_{3} (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-02-24
    Description: Author(s): L. Lin, H. M. Zhang, M. F. Liu, Shoudong Shen, S. Zhou, D. Li, X. Wang, Z. B. Yan, Z. D. Zhang, Jun Zhao, Shuai Dong, and J.-M. Liu Hexagonal LuFe O 3 has drawn a lot of research attention due to its contentious room-temperature multiferroicity. Due to the instability of hexagonal phase in the bulk form, most experimental studies focused on LuFe O 3 thin films which can be stabilized by strain using proper substrates. Here we report… [Phys. Rev. B 93, 075146] Published Tue Feb 23, 2016
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 5
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    eXTP: Enhanced X-Ray Timing and Polarimetry Mission (2016)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: eXTP is a science mission designed to study the state of matter under extreme conditions of density, gravity and magnetism. Primary goals are the determination of the equation of state of matter at supra-nuclear density, the measurement of QED effects in highly magnetized star, and the study of accretion in the strong-field regime of gravity. Primary targets include isolated and binary neutron stars, strong magnetic field systems like magnetars, and stellar-mass and supermassive black holes. The mission carries a unique and unprecedented suite of state-of-the-art scientific instruments enabling for the first time ever the simultaneous spectral-timing-polarimetry studies of cosmic sources in the energy range from 0.5-30 keV (and beyond). Key elements of the payload are: the Spectroscopic Focusing Array (SFA) - a set of 11 X-ray optics for a total effective area of approx. 0.9 m(exp. 2) and 0.6 m(exp. 2) at 2 keV and 6 keV respectively, equipped with Silicon Drift Detectors offering less than 180 eV spectral resolution; the Large Area Detector (LAD) - a deployable set of 640 Silicon Drift Detectors, for a total effective area of approx. 3.4 m(exp. 2), between 6 and 10 keV, and spectral resolution better than 250 eV; the Polarimetry Focusing Array (PFA) - a set of 2 X-ray telescope, for a total effective area of 250 cm(exp. 2) at 2 keV, equipped with imaging gas pixel photoelectric polarimeters; the Wide Field Monitor (WFM) - a set of 3 coded mask wide field units, equipped with position-sensitive Silicon Drift Detectors, each covering a 90 degrees x 90 degrees field of view. The eXTP international consortium includes major institutions of the Chinese Academy of Sciences and Universities in China, as well as major institutions in several European countries and the United States. The predecessor of eXTP, the XTP mission concept, has been selected and funded as one of the so-called background missions in the Strategic Priority Space Science Program of the Chinese Academy of Sciences since 2011. The strong European participation has significantly enhanced the scientific capabilities of eXTP. The planned launch date of the mission is earlier than 2025.
    Keywords: Astrophysics
    Type: GSFC-E-DAA-TN43898 , SPIE Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray Conference 2016; Jun 26, 2016; Edinburgh; United Kingdom|Proceedings of SPIE (ISSN 0277-786X) (e-ISSN 1996-756X); 9905; 99051Q
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