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Browsing MIT Open Access Articles by Title

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  • Teytelman, Leonid; Nishimura, Erin A. Osborne; Ozaydin, Bilge; Eisen, Michael B.; Rine, Jasper (Genetics Society of America, 2012-12)
    Silencing at the HMR and HML loci in Saccharomyces cerevisiae requires recruitment of Sir proteins to the HML and HMR silencers. The silencers are regulatory sites flanking both loci and consisting of binding sites for the ...
  • Looper, Dagny L.; Mohanty, Subhanjoy; Bochanski, John J.; Burgasser, Adam J.; Mamajek, Eric E.; Herczeg, Gregory J.; West, Andrew A.; Faherty, Jacqueline K.; Rayner, John; Pitts, Mark A.; Kirkpatrick, J. Davy (2010-05)
    TWA 30 is a remarkable young (7 ± 3 Myr), low-mass (0.12 ± 0.04 M [subscript ☉]), late-type star (M5 ± 1) residing 42 ± 2 pc away from the Sun in the TW Hydrae Association (TWA). It shows strong outflow spectral signatures ...
  • Yu, Miao; Ibrahem, Ismail; Hasegawa, Masayuki; Hoveyda, Amir H.; Schrock, Richard Royce (American Chemical Society (ACS), 2012-01)
    The first examples of catalytic enantioselective ring-opening/cross-metathesis (EROCM) reactions that involve enol ethers are reported. Specifically, we demonstrate that catalytic EROCM of several oxa- and azabicycles, ...
  • Kleiman, Steven L.; Piene, Ragni; Tyomkin, Ilya (European Mathematical Society, 2011-09)
    Given a smooth family F/Y of geometrically irreducible surfaces, we study sequences of arbitrarily near T-points of F/Y; they generalize the traditional sequences of infinitely near points of a single smooth surface. We ...
  • Farahat, Waleed A.; Wood, Levi Benjamin; Zervantonakis, Ioannis; Schor, Alisha R.; Ong, Sharon; Neal, Devin M.; Kamm, Roger Dale; Asada, Harry (Public Library of Science, 2012-05)
    We demonstrate ensemble three-dimensional cell cultures and quantitative analysis of angiogenic growth from uniform endothelial monolayers. Our approach combines two key elements: a micro-fluidic assay that enables ...
  • Choi, Han-Lim; Ponda, Sameera S.; Johnson, Luke B.; How, Jonathan P. (American Institute of Aeronautics and Astronautics, 2011-03)
    This work addresses the issue of network connectivity for a team of heterogeneous agents operating in a dynamic environment. The Consensus-Based Bundle Algorithm (CBBA), a distributed task allocation framework previously ...
  • Swingle, Brian Gordon (American Physical Society, 2010-07)
    Free fermions with a finite Fermi surface are known to exhibit an anomalously large entanglement entropy. The leading contribution to the entanglement entropy of a region of linear size L in d spatial dimensions is ...
  • Swingle, Brian Gordon (American Physical Society, 2012-09)
    We show how recent progress in real space renormalization group methods can be used to define a generalized notion of holography inspired by holographic dualities in quantum gravity. The generalization is based upon ...
  • Zhang, Zheshen; Tengner, Maria; Zhong, Tian; Wong, Franco N. C.; Shapiro, Jeffrey H. (American Physical Society, 2013-07)
    Entanglement is essential to many quantum information applications, but it is easily destroyed by quantum decoherence arising from interaction with the environment. We report the first experimental demonstration of an ...
  • Liu, Hong; Suh, Sunok Josephine (American Physical Society, 2014-01)
    We consider the time evolution of entanglement entropy after a global quench in a strongly coupled holographic system, whose subsequent equilibration is described in the gravity dual by the gravitational collapse of a thin ...
  • Raczynski, Arkadiusz R.; Muthupalani, Sureshkumar; Schlieper, Katherine Ann; Fox, James G.; Tannenbaum, Steven Robert; Schauer, David B. (Public Library of Science, 2012-03)
    Acute and chronic forms of inflammation are known to affect liver responses and susceptibility to disease and injury. Furthermore, intestinal microbiota has been shown critical in mediating inflammatory host responses in ...
  • Walker, Graham C.; Arnold, Markus F. F.; Caro-Hernandez, Paola; Tan, Karen; Runti, Giulia; Wehmeier, Silvia; Scocchi, Marco; Doerrler, William T.; Ferguson, Gail P. (American Society for Microbiology, 2013-11)
    yaiW is a previously uncharacterized gene found in enteric bacteria that is of particular interest because it is located adjacent to the sbmA gene, whose bacA ortholog is required for Sinorhizobium meliloti symbiosis and ...
  • Thomson, John M.; Hansen, Richard; Berry, Susan H.; Hope, Mairi E.; Murray, Graeme I.; Mukhopadhya, Indrani; McLean, Mairi H.; Shen, Zeli; Fox, James G.; El-Omar, Emad; Hold, Georgina L. (Public Library of Science, 2011-02)
    Background Changes in bacterial populations termed “dysbiosis” are thought central to ulcerative colitis (UC) pathogenesis. In particular, the possibility that novel Helicobacter organisms play a role in human UC has ...
  • Trivedi, Mehul A.; Stoub, Travis R.; Murphy, Christopher M.; George, Sarah; deToledo-Morrell, Leyla; Shah, Raj C.; Gabrieli, Susan; Gabrieli, John D. E.; Stebbins, Glenn T. (Springer-Verlag, 2011-02)
    The present study examined the relationship between entorhinal cortex and hippocampal volume with fMRI activation during episodic memory function in elderly controls with no cognitive impairment and individuals with amnesic ...
  • Huang, Kenneth G.; Murray, Fiona E. (Elsevier, 2010-06)
    We re-conceptualize the role of science policy makers, envisioning and illustrating their move from being simple investors in scientific projects to entrepreneurs who create the conditions for entrepreneurial experiments ...
  • Chen, Hui; Miao, Jianjun; Wang, Neng (Oxford University Press, 2010-11)
    We develop a dynamic incomplete-markets model of entrepreneurial firms, and demonstrate the implications of nondiversifiable risks for entrepreneurs' interdependent consumption, portfolio allocation, financing, investment, ...
  • Byers, Jeffery A.; Jamison, Timothy F. (National Academy of Sciences (U.S.), 2013-09)
    Despite the myriad of selective enzymatic reactions that occur in water, chemists have rarely capitalized on the unique properties of this medium to govern selectivity in reactions. Here we report detailed mechanistic ...
  • Faghfoor Maghrebi, Mohammad; Kantor, Yacov; Kardar, Mehran (IOP Publishing, 2011-12)
    We consider polymers attached to the tip of a cone, and the resulting force due to entropy loss on approaching a plate (or another cone). At separations shorter than the polymer radius of gyration Rg, the only relevant ...
  • Sinatra, Roberta; Szell, Michael (MDPI AG, 2014-01)
    Using mobile phone records and information theory measures, our daily lives have been recently shown to follow strict statistical regularities, and our movement patterns are, to a large extent, predictable. Here, we apply ...
  • Mistry, Karan Hemant; McGovern, Ronan Killian; Thiel, Gregory P.; Summers, Edward K.; Zubair, Syed M.; Lienhard, John H. (MDPI Publishing, 2011-09)
    Increasing global demand for fresh water is driving the development and implementation of a wide variety of seawater desalination technologies. Entropy generation analysis, and specifically, Second Law efficiency, is an ...
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