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  • 1
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    German Medical Science GMS Publishing House; Düsseldorf
    In:  83. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie; 20120516-20120520; Mainz; DOC12hnod337 /20120404/
    Publication Date: 2012-04-05
    Keywords: ddc: 610
    Language: English
    Type: conferenceObject
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  • 2
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract The partial differential equations describing transcapillary exchange and subsequent removal of solutis from an idealized liver sinusoid are amenable to solution by similarity analysis. The power and utility of this technique, which is not widely appreciated as a method for solving biological models, is illustrated here for a system whose Laplace transforms is difficult to invert.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of engineering mathematics 10 (1976), S. 135-141 
    ISSN: 1573-2703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Technology
    Notes: Summary The “s-parameter transformation group” and “infinitesimal transformation group” are applied to a set of plasma fluid equations to ascertain their self-similar behavior.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-2703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Technology
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 2012-03-01
    Description: The human X and Y chromosomes evolved from an ordinary pair of autosomes during the past 200-300 million years. The human MSY (male-specific region of Y chromosome) retains only three percent of the ancestral autosomes' genes owing to genetic decay. This evolutionary decay was driven by a series of five 'stratification' events. Each event suppressed X-Y crossing over within a chromosome segment or 'stratum', incorporated that segment into the MSY and subjected its genes to the erosive forces that attend the absence of crossing over. The last of these events occurred 30 million years ago, 5 million years before the human and Old World monkey lineages diverged. Although speculation abounds regarding ongoing decay and looming extinction of the human Y chromosome, remarkably little is known about how many MSY genes were lost in the human lineage in the 25 million years that have followed its separation from the Old World monkey lineage. To investigate this question, we sequenced the MSY of the rhesus macaque, an Old World monkey, and compared it to the human MSY. We discovered that during the last 25 million years MSY gene loss in the human lineage was limited to the youngest stratum (stratum 5), which comprises three percent of the human MSY. In the older strata, which collectively comprise the bulk of the human MSY, gene loss evidently ceased more than 25 million years ago. Likewise, the rhesus MSY has not lost any older genes (from strata 1-4) during the past 25 million years, despite its major structural differences to the human MSY. The rhesus MSY is simpler, with few amplified gene families or palindromes that might enable intrachromosomal recombination and repair. We present an empirical reconstruction of human MSY evolution in which each stratum transitioned from rapid, exponential loss of ancestral genes to strict conservation through purifying selection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3292678/" 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/PMC3292678/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hughes, Jennifer F -- Skaletsky, Helen -- Brown, Laura G -- Pyntikova, Tatyana -- Graves, Tina -- Fulton, Robert S -- Dugan, Shannon -- Ding, Yan -- Buhay, Christian J -- Kremitzki, Colin -- Wang, Qiaoyan -- Shen, Hua -- Holder, Michael -- Villasana, Donna -- Nazareth, Lynne V -- Cree, Andrew -- Courtney, Laura -- Veizer, Joelle -- Kotkiewicz, Holland -- Cho, Ting-Jan -- Koutseva, Natalia -- Rozen, Steve -- Muzny, Donna M -- Warren, Wesley C -- Gibbs, Richard A -- Wilson, Richard K -- Page, David C -- R01 HG000257/HG/NHGRI NIH HHS/ -- R01 HG000257-17/HG/NHGRI NIH HHS/ -- U54 HG003273/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Feb 22;483(7387):82-6. doi: 10.1038/nature10843.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biology, Massachusetts Institute of Technology, 9 Cambridge Center, Cambridge, Massachusetts 02142, USA. jhughes@wi.mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22367542" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes, Human, Y/*genetics ; Conserved Sequence/*genetics ; Crossing Over, Genetic/genetics ; *Evolution, Molecular ; Gene Amplification/genetics ; *Gene Deletion ; Humans ; In Situ Hybridization, Fluorescence ; Macaca mulatta/*genetics ; Male ; Models, Genetic ; Molecular Sequence Data ; Pan troglodytes/genetics ; Radiation Hybrid Mapping ; Selection, Genetic/genetics ; Time Factors ; Y Chromosome/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
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    Nature Publishing Group (NPG)
    Publication Date: 2012-12-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Helen -- England -- Nature. 2012 Dec 6;492(7427):17. doi: 10.1038/492017a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23222583" target="_blank"〉PubMed〈/a〉
    Keywords: Climate Change ; *Federal Government ; History, 20th Century ; History, 21st Century ; Patents as Topic/legislation & jurisprudence ; Science/economics/*legislation & jurisprudence ; Texas ; United States ; United States Environmental Protection Agency
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2013-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van Noorden, Richard -- Tollefson, Jeff -- Hayden, Erika Check -- Morello, Lauren -- Shen, Helen -- Butler, Declan -- Ledford, Heidi -- Witze, Alexandra -- Reich, Eugenie Samuel -- Schiermeier, Quirin -- Cyranoski, David -- England -- Nature. 2013 Dec 19;504(7480):344-9. doi: 10.1038/504344a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24352274" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Astronomy/economics ; Atmosphere/chemistry ; Coronavirus Infections/epidemiology ; Disease Eradication ; Federal Government ; Fossils ; Genes ; HIV Infections/drug therapy ; History, 21st Century ; Hominidae/classification/genetics ; Humans ; Influenza A Virus, H7N9 Subtype/pathogenicity ; Neurosciences/economics/trends ; Patents as Topic/legislation & jurisprudence ; Poliomyelitis/epidemiology ; *Science/economics/history ; Stem Cell Research ; 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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  • 8
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    Nature Publishing Group (NPG)
    Publication Date: 2013-03-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Helen -- England -- Nature. 2013 Mar 7;495(7439):22-4. doi: 10.1038/495022a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23467149" target="_blank"〉PubMed〈/a〉
    Keywords: Career Mobility ; Child ; Child Rearing ; Europe ; Financing, Organized/economics/organization & administration/statistics & ; numerical data ; Humans ; Leadership ; Mentors ; Research Personnel/economics/education/*statistics & numerical data ; Salaries and Fringe Benefits/economics/statistics & numerical data ; Science/education/*manpower ; Sex Distribution ; Sexism/*statistics & numerical data ; United States ; Women's Rights/economics/*statistics & numerical data
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    Nature Publishing Group (NPG)
    Publication Date: 2013-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Helen -- England -- Nature. 2013 Feb 21;494(7437):295. doi: 10.1038/494295a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23426305" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms/drug effects ; Ecology/*economics/*organization & administration ; Environmental Monitoring ; Financing, Organized/economics/organization & administration ; Gulf of Mexico ; Humans ; National Academy of Sciences (U.S.)/*organization & administration ; Peer Review, Research ; Petroleum Pollution/*adverse effects/*economics ; 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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  • 10
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    Nature Publishing Group (NPG)
    Publication Date: 2014-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Helen -- England -- Nature. 2014 Oct 9;514(7521):263-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25302356" target="_blank"〉PubMed〈/a〉
    Keywords: Aged, 80 and over ; *Caregivers/psychology ; Female ; Humans ; Long-Term Care/*organization & administration ; Male ; *Parents ; *Research Personnel/psychology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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