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Browsing MIT Open Access Articles by Title

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  • Ansolabehere, Stephen; Persily, Nathaniel; Stewart III, Charles (Harvard Law Review Pub. Association, 2010-04)
    The election of an African American as President of the United States has raised questions regarding the continued relevance and even constitutionality of various provisions of the Voting Rights Act (VRA). Barack Obama’s ...
  • Ji, Peng; Lodish, Harvey F. (Ferrata Storti Foundation, 2010-01)
    The four members of the Rac family of GTPases –Rac1, Rac2, Rac3 and RhoG – are members of the Rho superfamily that regulates the organization, dynamics, and function of the actin cytoskeleton. Rac GTPases play significant ...
  • Williams, Earle R.; Rickenbach, Thomas; Guy, Nick; Nieto Ferreira, Rosana (American Meteorological Society, 2009-12)
    A radar-based analysis of the structure, motion, and rainfall variability of westward-propagating squall-line mesoscale convective systems (SLMCSs) in Niamey, Niger, during the African Monsoon Multidisciplinary Activities ...
  • Nelson, John A. (Institute of Electrical and Electronics Engineers, 2010-10)
    The second generation of the Radar Open Systems Architecture has been developed and put into practice. This approach consists of a layered architecture that isolates applications from underlying hardware and software ...
  • Xue, Chuan; Othmer, Hans G.; Budrene-Kac, Elena O. (Public Library of Science, 2011-12)
    The enteric bacterium Proteus mirabilis, which is a pathogen that forms biofilms in vivo, can swarm over hard surfaces and form a variety of spatial patterns in colonies. Colony formation involves two distinct cell types: ...
  • Huang, Hui; Yao, Huajian; van der Hilst, Robert D. (American Geophysical Union (AGU), 2010-11)
    We use Rayleigh and Love wave Green's functions estimated from ambient seismic noise to study crustal structure and radial anisotropy in the tectonically complex and seismically active region west of the Sichuan Basin and ...
  • Kumar, Shiva; Pai, Srinivasa; Rao, Shrinivasa (Hindawi Publishing Corporation, 2012)
    Radial basis function neural networks (RBFNNs), which is a relatively new class of neural networks, have been investigated for their applicability for prediction of performance and emission characteristics of a diesel ...
  • Davidson, James West; Korolev, Kirill Sergeevich; Nelson, David R. (American Physical Society, 2013-01)
    We study the effect of spatial structure, genetic drift, mutation, and selective pressure on the evolutionary dynamics in a simplified model of asexual organisms colonizing a new territory. Under an appropriate coarse-graining, ...
  • Arras, Phil; Burkart, Joshua; Quataert, Eliot; Weinberg, Nevin N. (Oxford University Press, 2012-05)
    Close-in, massive exoplanets raise significant tides in their stellar hosts. We compute the radial velocity (RV) signal due to this fluid motion in the equilibrium tide approximation. The predicted RVs in the observed ...
  • Nikurashin, Maxim; Ferrari, Raffaele (American Meteorological Society, 2009-10)
    Observations and inverse models suggest that small-scale turbulent mixing is enhanced in the Southern Ocean in regions above rough topography. The enhancement extends O(1) km above the topography, suggesting that mixing ...
  • Beyerlein, I.J.; Caro, A.; Mara, N.A.; Misra, A.; Uberuaga, B.P.; Demkowicz, Michael J. (Elsevier, 2013-11)
    Designing a material from the atomic level to achieve a tailored response in extreme conditions is a grand challenge in materials research. Nanostructured metals and composites provide a path to this goal because they ...
  • Swager, Timothy Manning; Lobez, Jose M. (Wiley Blackwell, 2009-11)
    Detection of gamma rays is shown using a non-scintillating organic-based sensor composed of poly(olefin sulfone)/carbon nanotube blends. Functionalization of the polymers can be performed after polymerization to tailor ...
  • Gouker, Pascale M.; Wyatt, Peter W.; Yost, Donna-Ruth W.; Chen, Chenson K.; Chen, Chang-Lee; Knecht, Jeffrey M.; Keast, Craig L. (Institute of Electrical and Electronics Engineers, 2009-11)
    We characterized TID effects in MITLL 3DIC technology. We found that the effects were comparable for nFETs on the bottom tier with that on single tier wafers. Less positive charge build-up is observed for wide nFETs on the ...
  • Athanasiou, Christiana; Chesler, Paul Michael; Liu, Hong; Nickel, Dominik; Rajagopal, Krishna (American Institute of Physics, 2010-09)
    The energy density and angular distribution of power radiated by a quark undergoing circular motion in strongly coupled N  =  4 supersymmetric Yang‐Mills (SYM) theory is computed using gauge∕gravity duality. The results ...
  • Carr, Christopher E.; Rowedder, Holli; Vafadari, Cyrus; Lui, Clarissa S.; Cascio, Ethan; Zuber, Maria T.; Ruvkun, Gary (Mary Ann Liebert, 2013-01)
    Life on Mars, if it exists, may share a common ancestry with life on Earth derived from meteoritic transfer of microbes between the planets. One means to test this hypothesis is to isolate, detect, and sequence nucleic ...
  • Carr, Christopher E.; Rowedder, Holli; Lui, Clarissa S.; Zlatkovsky, Ilya; Papalias, Chris W.; Bolander, Jarie; Myers, Jason W.; Bustillo, James; Rothberg, Jonathan M.; Ruvkun, Gary; Zuber, Maria (Mary Ann Liebert, 2013-06)
    Life beyond Earth may be based on RNA or DNA if such life is related to life on Earth through shared ancestry due to meteoritic exchange, such as may be the case for Mars, or if delivery of similar building blocks to ...
  • Lathrop, Stephen Paul; Kim, Justin; Movassaghi, Mohammad (Swiss Chemical Society, 2012-06)
    Concise and general strategies for radical-based dimerization of cyclotryptamine and cyclotryptophan derivatives in addition to radical-based oxidation of structurally complex diketopiperazines are discussed. The impact ...
  • Lamming, Dudley W.; Sabatini, David M.; Sabatini, David M. (Elsevier, 2011-06)
    TOR (target of rapamycin) signaling regulates life span in many organisms, but the mechanism behind the effect is unknown. In this issue of Cell Metabolism, Pan and colleagues (2011) find that reduced TORC1 activity promotes ...
  • Cummins, Christopher C.; Cossairt, Brandi M. (RSC Publishing, 2010-04)
    A reaction scheme has been devised according to 3 RX + 3 Ti(III) + 0.25 P₄ → PR₃ + 3 XTi(IV), wherein RX = PhBr, CyBr, Me₃SiI or Ph₃SnCl, with contrasting results in the case of more hindered RX. The scheme accomplishes ...
  • Dowling, Daniel P.; Croft, Anna K.; Drennan, Catherine L. (Annual Reviews, 2012-06)
    The ability of enzymes to harness free-radical chemistry allows for some of the most amazing transformations in nature, including reduction of ribonucleotides and carbon skeleton rearrangements. Enzyme cofactors involved ...
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