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  • 1
    Publication Date: 2015-09-22
    Description: Author(s): P.-L. Ardelt, T. Simmet, K. Müller, C. Dory, K. A. Fischer, A. Bechtold, A. Kleinkauf, H. Riedl, and J. J. Finley We report the subpicosecond initialization of a single heavy hole spin in a self-assembled quantum dot with 〉 98.5 % fidelity and without external magnetic field. Using an optically addressable charge and spin storage device we tailor the relative electron and hole tunneling escape time scales from… [Phys. Rev. B 92, 115306] Published Fri Sep 18, 2015
    Keywords: Semiconductors II: surfaces, interfaces, microstructures, and related topics
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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  • 2
    Publication Date: 2011-10-01
    Description: Author(s): Yi Zhou, Wei Han, Li-Te Chang, Faxian Xiu, Minsheng Wang, Michael Oehme, Inga A. Fischer, Joerg Schulze, Roland. K. Kawakami, and Kang L. Wang [Phys. Rev. B 84, 125323] Published Fri Sep 30, 2011
    Keywords: Semiconductors II: surfaces, interfaces, microstructures, and related topics
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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  • 3
    Publication Date: 2016-12-09
    Description: Author(s): T. Wendav, I. A. Fischer, M. Virgilio, G. Capellini, F. Oliveira, M. F. Cerqueira, A. Benedetti, S. Chiussi, P. Zaumseil, B. Schwartz, K. Busch, and J. Schulze Employing a low-temperature growth mode, we fabricated ultrathin S i 1 − x G e x /Si multiple quantum well structures with a well thickness of less than 1.5 nm and a Ge concentration above 60% directly on a Si substrate. We identified an unusual temperature-dependent blueshift of the photoluminescence (PL) … [Phys. Rev. B 94, 245304] Published Thu Dec 08, 2016
    Keywords: Semiconductors II: surfaces, interfaces, microstructures, and related topics
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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  • 4
    Publication Date: 2011-12-24
    Description: Arthritis is a leading cause of disability, and when nonoperative methods have failed, a prosthetic implant is a cost-effective and clinically successful treatment. Metal-on-metal replacements are an attractive implant technology, a lower-wear alternative to metal-on-polyethylene devices. Relatively little is known about how sliding occurs in these implants, except that proteins play a critical role and that there is a tribological layer on the metal surface. We report evidence for graphitic material in the tribological layer in metal-on-metal hip replacements retrieved from patients. As graphite is a solid lubricant, its presence helps to explain why these components exhibit low wear and suggests methods of improving their performance; simultaneously, this raises the issue of the physiological effects of graphitic wear debris.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liao, Y -- Pourzal, R -- Wimmer, M A -- Jacobs, J J -- Fischer, A -- Marks, L D -- 1RC2AR058993-01/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Dec 23;334(6063):1687-90. doi: 10.1126/science.1213902.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22194573" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arthroplasty, Replacement, Hip ; Biocompatible Materials ; Cattle ; Corrosion ; Friction ; Graphite/*analysis ; *Hip Prosthesis/adverse effects ; Humans ; Metal Nanoparticles ; Prosthesis Design ; Prosthesis Failure ; Serum ; Spectroscopy, Electron Energy-Loss ; Spectrum Analysis, Raman ; Surface Properties ; *Vitallium
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2012-06-23
    Description: Two African apes are the closest living relatives of humans: the chimpanzee (Pan troglodytes) and the bonobo (Pan paniscus). Although they are similar in many respects, bonobos and chimpanzees differ strikingly in key social and sexual behaviours, and for some of these traits they show more similarity with humans than with each other. Here we report the sequencing and assembly of the bonobo genome to study its evolutionary relationship with the chimpanzee and human genomes. We find that more than three per cent of the human genome is more closely related to either the bonobo or the chimpanzee genome than these are to each other. These regions allow various aspects of the ancestry of the two ape species to be reconstructed. In addition, many of the regions that overlap genes may eventually help us understand the genetic basis of phenotypes that humans share with one of the two apes to the exclusion of the other.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3498939/" 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/PMC3498939/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prufer, Kay -- Munch, Kasper -- Hellmann, Ines -- Akagi, Keiko -- Miller, Jason R -- Walenz, Brian -- Koren, Sergey -- Sutton, Granger -- Kodira, Chinnappa -- Winer, Roger -- Knight, James R -- Mullikin, James C -- Meader, Stephen J -- Ponting, Chris P -- Lunter, Gerton -- Higashino, Saneyuki -- Hobolth, Asger -- Dutheil, Julien -- Karakoc, Emre -- Alkan, Can -- Sajjadian, Saba -- Catacchio, Claudia Rita -- Ventura, Mario -- Marques-Bonet, Tomas -- Eichler, Evan E -- Andre, Claudine -- Atencia, Rebeca -- Mugisha, Lawrence -- Junhold, Jorg -- Patterson, Nick -- Siebauer, Michael -- Good, Jeffrey M -- Fischer, Anne -- Ptak, Susan E -- Lachmann, Michael -- Symer, David E -- Mailund, Thomas -- Schierup, Mikkel H -- Andres, Aida M -- Kelso, Janet -- Paabo, Svante -- 090532/Wellcome Trust/United Kingdom -- 090532/Z/09/Z/Wellcome Trust/United Kingdom -- 2R01GM077117-04A1/GM/NIGMS NIH HHS/ -- HG002385/HG/NHGRI NIH HHS/ -- MC_U137761446/Medical Research Council/United Kingdom -- R01 GM077117/GM/NIGMS NIH HHS/ -- R01 HG002385/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- Intramural NIH HHS/ -- England -- Nature. 2012 Jun 28;486(7404):527-31. doi: 10.1038/nature11128.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany. pruefer@eva.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22722832" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA Transposable Elements/genetics ; *Evolution, Molecular ; Gene Duplication/genetics ; Genetic Variation/*genetics ; Genome/*genetics ; Genome, Human/*genetics ; Genotype ; Humans ; Molecular Sequence Data ; Pan paniscus/*genetics ; Pan troglodytes/*genetics ; Phenotype ; Phylogeny ; Species Specificity
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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