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Browsing MIT Open Access Articles by Title

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  • Kindler, Kolja; Khalili, Arzhang; Stocker, Roman (National Academy of Sciences (U.S.), 2010-12)
    Downward carbon flux in the ocean is largely governed by particle settling. Most marine particles settle at low Reynolds numbers and are highly porous, yet the fluid dynamics of this regime have remained unexplored. We ...
  • Wedeen, Van J.; Sosnovik, David; Reese, Timothy G.; Dai, Guangping; Wang, Ruopeng (BioMed Central, 2009-11)
    Histological studies have shown that the myocardium consists of an array of crossing helical fiber tracts. Changes in myocardial fiber architecture occur in ischemic heart disease and heart failure, and can be imaged ...
  • Lizana, L.; Ambjornsson, T. (American Physical Society, 2009-11)
    We solve a nonequilibrium statistical-mechanics problem exactly, namely, the single-file dynamics of N hard-core interacting particles (the particles cannot pass each other) of size Δ diffusing in a one-dimensional system ...
  • Acemoglu, Daron; Ozdaglar, Asuman E.; Yildiz, Ercan (Institute of Electrical and Electronics Engineers (IEEE), 2011-12)
    While social networks do affect diffusion of innovations, the exact nature of these effects are far from clear, and, in many cases, there exist conflicting hypotheses among researchers. In this paper, we focus on the linear ...
  • Acemoglu, Daron; Ozdaglar, Asuman E.; Scaglione, Anna; Yildez, Mehmet Ercan (2011-05)
    In this paper, we are interested in modeling diffusion of innovations on social networks. We focus on a scenario where innovation emerges at a small number of nodes in the society, and each individual needs certain ...
  • Stylianopoulos, Triantafyllos; Poh, Ming-Zher; Insin, Numpon; Bawendi, Moungi G.; Fukumura, Dai; Munn, Lance L.; Jain, Rakesh K. (Elsevier, 2010-09)
    Diffusive transport of macromolecules and nanoparticles in charged fibrous media is of interest in many biological applications, including drug delivery and separation processes. Experimental findings have shown that ...
  • Silbey, Robert J.; Barkai, E. (American Physical Society, 2010-04)
    We study the diffusion of tagged hard-core interacting Brownian point particles under the influence of an external force field in one dimension. Using the Jepsen line we map this many-particle problem onto a single particle ...
  • Deng, Chuang; Schuh, Christopher A. (American Physical Society, 2011-12)
    An adapted simulation method is used to systematically study grain boundary motion at velocities and driving forces across more than five orders of magnitude. This analysis reveals that grain boundary migration can occur ...
  • Spielberg, Nathan A.; Klein, John; Oxman, Neri; Keating, Steven John (Springer-Verlag, 2014)
    We introduce a novel large-scale Digital Construction Platform (DCP) for on-site sensing, analysis, and fabrication. The DCP is an in-progress research project consisting of a compound robotic arm system comprised of a ...
  • Girardin, Fabien; Blat, Josep; Calabrese, Francesco; Dal Fiore, Filippo; Ratti, Carlo (Institute of Electrical and Electronics Engineers, 2008-10)
    Novel methods and tools are being developed to explore the significance of the new types of user-related spatiotemporal data. This approach helps uncover the presence and movements of tourists from cell phone network data ...
  • Luengo-Oroz, Miguel A.; Duloquin, Louise; Savy, Thierry; Rizzi, Barbara; Desnoulez, Sophie; Kergosien, Yannick L.; Bourgine, Paul; Castro Gonzalez, Carlos; Doursat, Rene; Peyrieras, Nadine; Santos, Andres; Ledesma-Carbayo, Maria J. (Public Library of Science, 2014-06)
    A gene expression atlas is an essential resource to quantify and understand the multiscale processes of embryogenesis in time and space. The automated reconstruction of a prototypic 4D atlas for vertebrate early embryos, ...
  • Ratti, Carlo; Morello, Eugenio (Pion Ltd., 2009-04)
    New techniques to measure 2D and 3D visibility over urban spaces are presented in this paper. The concept of the isovist, that is, the visible space from a vantage point, could help in providing a quantifiable basis for ...
  • Havasi, Catherine; Pustejovsky, James; Speer, Robert H.; Lieberman, Henry A. (Institute of Electrical and Electronics Engineers, 2009-07)
    Understanding the world we live in requires access to a large amount of background knowledge: the commonsense knowledge that most people have and most computer systems don't. Many of the limitations of artificial intelligence ...
  • Bohorquez, Jose L.; Yip, Marcus; Chandrakasan, Anantha P.; Dawson, Joel L. (Institute of Electrical and Electronics Engineers, 2010-06)
    Acompact, low-power, digitally-assisted sensor interface for biomedical applications is presented. It exploits oversampling and digital design to reduce system area and power, while making the system more robust to ...
  • Yamauchi, Toyohiko; Choi, Wonshik; Feld, Michael S.; Park, YongKeun; Yaqoob, Zahid; Hillman, Timothy Robert; Dasari, Ramachandra Rao (Nature Publishing Group, 2013-05)
    Optical transmission through complex media such as biological tissue is fundamentally limited by multiple light scattering. Precise control of the optical wavefield potentially holds the key to advancing a broad range of ...
  • Nguyen, Khoa M.; Accardi, Anthony J.; Kim, Helen H.; Wornell, Gregory W.; Sodini, Charles G. (Institute of Electrical and Electronics Engineers (IEEE), 2010-11)
    A new technique called digital phase tightening reduces phase noise from receiver front-end circuits to allow precise phase estimation for digital beamforming in millimeter-wave (MMW) imaging applications. This is achieved ...
  • Brown, Matthew G.; Baker, Justin; Colonero, Curtis B.; Costa, Joseph S.; Gardner, Thomas D.; Kelly, Michael W.; Schultz, Kenneth I.; Tyrrell, Brian M.; Wey, James R. (Society of Photo-optical Instrumentation Engineers, 2010-01)
    Since 2006, MIT Lincoln Laboratory has been developing Digital-pixel Focal Plane Array (DFPA) readout integrated circuits (ROICs). To date, four 256 × 256 30 µm pitch DFPA designs with in-pixel analog to digital conversion ...
  • Das, Jayajit; Ho, Mary; Zikherman, Julie; Govern, Christopher; Yang, Ming; Weiss, Arthur; Chakraborty, Arup K.; Roose, Jeroen P. (Elsevier, 2009-01)
    Activation of Ras proteins underlies functional decisions in diverse cell types. Two molecules, RasGRP and SOS, catalyze Ras activation in lymphocytes. Binding of active Ras to SOS' allosteric pocket markedly increases ...
  • Ozsolak, Fatih; Goren, Alon; Gymrek, Melissa; Guttman, Mitchell; Regev, Aviv; Bernstein, Bradley E.; Milos, Patrice M. (Cold Spring Harbor Laboratory Press, 2010-02)
    Accurate profiling of minute quantities of RNA in a global manner can enable key advances in many scientific and clinical disciplines. Here, we present low-quantity RNA sequencing (LQ-RNAseq), a high-throughput sequencing-based ...
  • Chai, Xiaoqian; Jacobs, Lucia F. (Public Library of Science, 2012-02)
    The relative length of the second-to-fourth digits (2D:4D) has been linked with prenatal androgen in humans. The 2D:4D is sexually dimorphic, with lower values in males than females, and appears to correlate with diverse ...
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