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  • United States  (5,912)
  • Engineering
  • American Association for the Advancement of Science (AAAS)  (5,952)
  • Goleta, CA  (21)
  • 1
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    Human-in-the-loop optimization of exoskeleton assistance during walking (2017)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2017-06-23
    Description: Exoskeletons and active prostheses promise to enhance human mobility, but few have succeeded. Optimizing device characteristics on the basis of measured human performance could lead to improved designs. We have developed a method for identifying the exoskeleton assistance that minimizes human energy cost during walking. Optimized torque patterns from an exoskeleton worn on one ankle reduced metabolic energy consumption by 24.2 ± 7.4% compared to no torque. The approach was effective with exoskeletons worn on one or both ankles, during a variety of walking conditions, during running, and when optimizing muscle activity. Finding a good generic assistance pattern, customizing it to individual needs, and helping users learn to take advantage of the device all contributed to improved economy. Optimization methods with these features can substantially improve performance.
    Keywords: Engineering
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Microbicides: anti-HIV efficacy and ethics (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stein, Zena -- Susser, Mervyn -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1890; author reply 1890.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15597431" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/*administration & dosage/pharmacology/therapeutic use ; *Condoms ; Double-Blind Method ; Female ; HIV Infections/*prevention & control/*transmission ; Humans ; Male ; National Institutes of Health (U.S.) ; Patient Selection ; Placebos ; Randomized Controlled Trials as Topic/*ethics ; United States
    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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  • 3
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    Profile: Zhong You. 'Origami engineer' flexes to create stronger, more agile materials (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-06-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merali, Zeeya -- New York, N.Y. -- Science. 2011 Jun 17;332(6036):1376-7. doi: 10.1126/science.332.6036.1376.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21680824" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Engineering ; China ; Engineering ; *Equipment Design ; History, 20th Century ; History, 21st Century ; Housing ; Spacecraft ; *Stents
    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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    Genetics. Genomic research and human subject privacy (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-07-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, Zhen -- Owen, Art B -- Altman, Russ B -- LM007033/LM/NLM NIH HHS/ -- U01-GM61374/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2004 Jul 9;305(5681):183.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Stanford University School of Medicine, CA 94305-5120, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15247459" target="_blank"〉PubMed〈/a〉
    Keywords: *Databases, Genetic/legislation & jurisprudence ; *Genetic Privacy/legislation & jurisprudence ; *Genetic Research/legislation & jurisprudence ; *Genomics/legislation & jurisprudence ; Genotype ; Humans ; Informed Consent ; Pharmacogenetics ; Phenotype ; *Polymorphism, Single Nucleotide ; Public Policy ; United States
    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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  • 5
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    NEUROSCIENCE. It takes the world to understand the brain (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Z Josh -- Luo, Liqun -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Oct 2;350(6256):42-4. doi: 10.1126/science.aad4120. Epub 2015 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA. huangj@cshl.edu lluo@stanford.edu. ; HHMI/Department of Biology, Stanford University, Stanford, CA 94305, USA. huangj@cshl.edu lluo@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26430110" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*physiology ; China ; Europe ; Humans ; *International Cooperation ; Japan ; Neurosciences/*trends ; Republic of Korea ; United States
    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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    Sociology of science. "Undemocracy": inequalities in science (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-05-24
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4159256/" 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/PMC4159256/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xie, Yu -- R24 HD041028/HD/NICHD NIH HHS/ -- R24HD041028/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2014 May 23;344(6186):809-10. doi: 10.1126/science.1252743.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Social Research, University of Michigan, Ann Arbor, MI 48104, USA. Center for Social Research, Peking University, Beijing 100871, China. yuxie@umich.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24855244" target="_blank"〉PubMed〈/a〉
    Keywords: Democracy ; Employment/*statistics & numerical data ; Internationality ; Reward ; Science/*economics/*trends ; Socioeconomic Factors ; United States
    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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    Extremist tendencies (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Ya-Ping -- He, Shigang -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1861.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591167" target="_blank"〉PubMed〈/a〉
    Keywords: China ; *International Cooperation ; *Research ; *Research Personnel ; *Travel ; United States
    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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    Retrospective: Seymour Benzer (1921-2007) (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jan, Yuh-Nung -- Jan, Lily -- New York, N.Y. -- Science. 2008 Jan 4;319(5859):45. doi: 10.1126/science.1154050.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Departments of Physiology, Biochemistry, and Biophysics, University of California, San Francisco, CA 94143, USA. yuhnung.jan@ucsf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18174427" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drosophila melanogaster/genetics ; Genetics/*history ; History, 20th Century ; History, 21st Century ; Neurobiology/*history ; United States
    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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  • 9
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    NIH career awards. Young scientists get a helping hand (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhatttacharjee, Yudhijit -- New York, N.Y. -- Science. 2005 Dec 9;310(5754):1601.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16339420" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/*economics ; Financing, Government ; National Institutes of Health (U.S.)/*economics ; Research Personnel/*economics ; *Research Support as Topic ; *Salaries and Fringe Benefits ; United States
    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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    Bioterrorism. Panel provides peer review of intelligence research (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Dec 7;318(5856):1538.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18063763" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Science Disciplines ; *Biological Warfare Agents ; *Bioterrorism ; *Peer Review, Research ; Research/*standards ; Security Measures ; United States ; *United States Government Agencies
    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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