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Browsing MIT Open Access Articles by Title

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  • Schulz, Norbert S.; Nowak, Michael A.; Chakrabarty, Deepto; Canizares, Claude R. (IOP Publishing, 2010-12)
    We observed the ultra-compact binary candidate 4U 0614+091 for a total of 200 ks with the high-energy transmission gratings on board the Chandra X-ray Observatory. The source is found at various intensity levels with ...
  • Byl, Katie; Tedrake, Russell Louis (Institute of Electrical and Electronics Engineers, 2009-05)
    In this video, we demonstrate the effectiveness of a kinodynamic planning strategy that allows a high-impedance quadruped to operate across a variety of rough terrain. At one extreme, the robot can achieve precise foothold ...
  • Beauvalet, L.; Lainey, V.; Arlot, J.-E.; Binzel, Richard P. (EDP Sciences, 2012-03)
    Pluto is the multiple system that has been observed the longest. Yet, the masses of its smallest satellites, Nix and Hydra, which were discovered in 2005, are still imprecisely known, because of the short time span and ...
  • Frazzoli, Emilio; Savla, Ketan D. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)
    Formal methods for task management for human operators are gathering increasing attention to improve efficiency of human-in-the-loop systems. In this paper, we consider a novel dynamical queue approach to intelligent task ...
  • Wunsch, Carl; Dail, Holly Janine (American Meteorological Society, 2014-01)
    Proxies indicate that the Last Glacial Maximum (LGM) Atlantic Ocean was marked by increased meridional and zonal near sea surface temperature gradients relative to today. Using a least squares fit of a full general circulation ...
  • Levitov, Leonid; Nandkishore, Rahul Mahajan (American Physical Society, 2010-04)
    Electron interactions in undoped bilayer graphene lead to an instability of the gapless state, “which-layer” symmetry breaking, and energy gap opening at the Dirac point. In contrast with single-layer graphene, the bilayer ...
  • Kaertner, Franz X.; Popovic, Milos A.; Rakich, Peter T.; Dahlem, Marcus Vinicius Sobral; Holzwarth, Charles W.; Barwicz, Tymon; Gan, Fuwan; Smith, Henry Ignatius; Ippen, Erich P. (Institute of Electrical and Electronics Engineers, 2009-10)
    We demonstrate novel device concepts based on rigorous design of the dynamics of resonant nanophotonic systems, such as dispersionless resonant switches and energy-efficient mo-dulator architectures, slow-light cells, and ...
  • Bagheri, Neda; Shiina, Marisa; Lauffenburger, Douglas A.; Korn, W. Michael (Public Library of Science, 2011-02)
    Oncolytic adenoviruses, such as ONYX-015, have been tested in clinical trials for currently untreatable tumors, but have yet to demonstrate adequate therapeutic efficacy. The extent to which viruses infect targeted cells ...
  • Wamstad, Joseph A.; Alexander, Jeffrey M.; Truty, Rebecca M.; Shrikumar, Avanti; Li, Fugen; Eilertson, Kirsten E.; Ding, Huiming; Wylie, John N.; Pico, Alexander R.; Capra, John A.; Erwin, Genevieve; Kattman, Steven J.; Keller, Gordon M.; Srivastava, Deepak; Levine, Stuart S.; Pollard, Katherine S.; Holloway, Alisha K.; Boyer, Laurie; Bruneau, Benoit G.; Wamstad, Joseph Alan; Levine, Stuart S. (Elsevier B.V., 2012-09)
    Heart development is exquisitely sensitive to the precise temporal regulation of thousands of genes that govern developmental decisions during differentiation. However, we currently lack a detailed understanding of how ...
  • Bard, Lucie; Sainlos, Matthieu; Bouchet, Delphine; Cousins, Sarah; Mikasova, Lenka; Breillat, Christelle; Stephenson, F. Anne; Imperiali, Barbara; Choquet, Daniel; Groc, Laurent (National Academy of Sciences (U.S.), 2010-10)
    The relative content of NR2 subunits in the NMDA receptor confers specific signaling properties and plasticity to synapses. However, the mechanisms that dynamically govern the retention of synaptic NMDARs, in particular ...
  • Glynn, Steven E.; Nager, Andrew Ross; Baker, Tania; Sauer, Robert T. (Nature Publishing Group, 2012-05)
    In the Escherichia coli ClpXP protease, a hexameric ClpX ring couples ATP binding and hydrolysis to mechanical protein unfolding and translocation into the ClpP degradation chamber. Rigid-body packing between the small ...
  • Onak, Krzysztof; Rubinfeld, Ronitt (Springer Berlin / Heidelberg, 2010-10)
    We consider the problem of maintaining a large matching or a small vertex cover in a dynamically changing graph. Each update to the graph is either an edge deletion or an edge insertion. We give the first randomized data ...
  • Chen, Zhe; Purdon, Patrick L.; Harrell, Grace; Pierce, Eric T.; Walsh, John; Brown, Emery N.; Barbieri, Riccardo (Springer-Verlag/Biomedical Engineering Society, 2010-10)
    In this article, we present a point process method to assess dynamic baroreflex sensitivity (BRS) by estimating the baroreflex gain as focal component of a simplified closed-loop model of the cardiovascular system. ...
  • Grossman, Alan D.; Breier, Adam M. (American Society for Microbiology, 2009-01)
    DnaA functions as both a transcription factor and the replication initiator in bacteria. We characterized the DNA binding dynamics of DnaA on a genomic level. Based on cross-linking and chromatin immunoprecipitation data, ...
  • Li, Hua; Fratini, Emiliano; Chiang, Wei-Shan; Baglioni, Piero; Mamontov, Eugene; Chen, Sow-Hsin (American Physical Society, 2012-12)
    The translational dynamics of hydration water confined in calcium-silicate-hydrate (C-S-H) gel was studied by quasielastic neutron scattering spectroscopy in the temperature range from 280 to 230 K. The stretch exponent ...
  • Li, Hongmin; Zhang, Hao; Fine, Charles H. (Institute for Operations Research and the Management Sciences (INFORMS), 2013-04)
    This paper studies a repeated game between a manufacturer and two competing suppliers with imperfect monitoring. We present a principal-agent model for managing long-term supplier relationships using a unique form of ...
  • Zhao, Qin; Koh, David F.; Raza, Syed A.; Amarasinghe, Saman P.; Bruening, Derek; Wong, Weng-Fai (Association for Computing Machinery / ACM Special Interest Group on Programming Languages./ ACM Special Interest Group in Operating Systems., 2011-03)
    In today's multi-core systems, cache contention due to true and false sharing can cause unexpected and significant performance degradation. A detailed understanding of a given multi-threaded application's behavior is ...
  • Brown, Emery N.; Barbieri, Riccardo; Napadow, V.; LaCount, L. T.; Kuo, B.; Park, K.; Kim, J. (Institute of Electrical and Electronics Engineers, 2010-09)
    A visual display of stripes was used to examine cardiovagal response to motion sickness. Heart rate variability (HRV) was investigated using dynamic methods to discern instantaneous fluctuations in reaction to stimulus and ...
  • Schneider, Toby Edwin; Schmidt, Henrik (Institute of Electrical and Electronics Engineers, 2010-05)
    The Dynamic Compact Control Language (DCCL) extends the ubiquitous Extensible Markup Language (XML) to provide a structure for defining very short messages comprised of bounded basic variable types, suitable for transmission ...
  • Tsokos, Christos G.; Laub, Michael T.; Perchuk, Barrett; Laub, Michael T.; Tsokos, Christos G. (Elsevier, 2011-03)
    Cellular asymmetry is critical to metazoan development and the life cycle of many microbes. In Caulobacter, cell cycle progression and the formation of asymmetric daughter cells depend on the polarly-localized histidine ...
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