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Browsing MIT Open Access Articles by Title

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  • Dynamical Reconstruction of Upper-Ocean Conditions in the Last Glacial Maximum Atlantic 
    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 ...
  • Dynamical Screening and Excitonic Instability in Bilayer Graphene 
    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 ...
  • Dynamical systems in nanophotonics: From energy efficient modulators to light forces and optomechanics 
    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 ...
  • A Dynamical Systems Model for Combinatorial Cancer Therapy Enhances Oncolytic Adenovirus Efficacy by MEK-Inhibition 
    Bagheri, Nada; 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 ...
  • Dynamical Widom–Rowlinson Model and Its Mesoscopic Limit 
    Finkelshtein, Dmitri; Kondratiev, Yuri; Kutoviy, Oleksandr; Oliveira, Maria João (Springer US, 2014-09)
    We consider the non-equilibrium dynamics for the Widom–Rowlinson model (without hard-core) in the continuum. The Lebowitz–Penrose-type scaling of the dynamics is studied and the system of the corresponding kinetic equations ...
  • Dynamic Analysis for an Internally Coupled Fluid/Riser System 
    Cheng, Yongming; Vandiver, John Kim (American Society of Mechanical Engineers, 2010-06)
    Risers are fluid conduits from subsea equipment to surface floating production platforms. The integrity of a riser system plays a very important role in deepwater developments. A top-tensioned riser generally consists of ...
  • Dynamic and Coordinated Epigenetic Regulation of Developmental Transitions in the Cardiac Lineage 
    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. (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 ...
  • Dynamic and specific interaction between synaptic NR2-NMDA receptor and PDZ proteins 
    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 ...
  • Dynamic and static components power unfolding in topologically closed rings of a AAA+ proteolytic machine 
    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 ...
  • Dynamic Approximate Vertex Cover and Maximum Matching 
    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 ...
  • Dynamic Assessment of Baroreflex Control of Heart Rate During Induction of Propofol Anesthesia Using a Point Process Method 
    Chen, Zhe; Purdon, Patrick L.; Harrell, P. 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. ...
  • Dynamic association of the replication initiator and transcription factor DnaA with the Bacillus subtilis chromosome during replication stress 
    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, ...
  • Dynamic behavior of hydration water in calcium-silicate-hydrate gel: A quasielastic neutron scattering spectroscopy investigation 
    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 ...
  • Dynamic Business Share Allocation in a Supply Chain with Competing Suppliers 
    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 ...
  • Dynamic Cache Contention Detection in Multi-threaded Applications 
    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 ...
  • Dynamic cardiovagal response to motion sickness: A point-process heart rate variability study 
    Brown, Emery N.; Barbieri, Riccardo; Napadow, Vitaly; LaCount, Lauren 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 ...
  • Dynamic clustering via asymptotics of the dependent Dirichlet process mixture 
    Campbell, Trevor David; Liu, Miao; Kulis, Brian; How, Jonathan P.; Carin, Lawrence (Neural Information Processing Systems Foundation, 2013)
    This paper presents a novel algorithm, based upon the dependent Dirichlet process mixture model (DDPMM), for clustering batch-sequential data containing an unknown number of evolving clusters. The algorithm is derived via ...
  • Dynamic Commercialization Strategies for Disruptive Technologies: Evidence from the Speech Recognition Industry 
    Marx, Matt; Gans, Joshua S.; Hsu, David H. (Institute for Operations Research and the Management Sciences (INFORMS), 2014-12)
    When start-up innovation involves a potentially disruptive technology—initially lagging in the predominant performance metric, but with a potentially favorable trajectory of improvement—incumbents may be wary of engaging ...
  • The Dynamic Compact Control Language: A compact marshalling scheme for acoustic communications 
    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 ...
  • A Dynamic Complex of Signaling Proteins Uses Polar Localization to Regulate Cell-Fate Asymmetry in Caulobacter crescentus 
    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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