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Browsing MIT Open Access Articles by Title

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  • Kloosterman, J. L.; Hayton, D. J.; Ren, Y.; Hovenier, J. N.; Gao, J. R.; Klapwijk, T. M.; Walker, C. K.; Reno, J. L.; Kao, Tsung-Yu; Hu, Qing (American Institute of Physics (AIP), 2013-01)
    We report on a heterodyne receiver designed to observe the astrophysically important neutral atomic oxygen [OI] line at 4.7448 THz. The local oscillator is a third-order distributed feedback quantum cascade laser operating ...
  • Jeon, Jessie S.; Chung, Seok; Kamm, Roger Dale; Charest, Joseph L. (Springer Netherlands, 2010-11)
    Clinically relevant studies of cell function in vitro require a physiologically-representative microenvironment possessing aspects such as a 3D extracellular matrix (ECM) and controlled biochemical and biophysical parameters. ...
  • Demory, Brice-Olivier; Seager, Sara; Winn, Joshua Nathan (Institute of Physics Publishing, 2011-11)
    This paper reports the discovery and characterization of the transiting hot giant exoplanet Kepler-17b. The planet has an orbital period of 1.486 days, and radial velocity measurements from the Hobby-Eberly Telescope show ...
  • Trenkle, Jonathan C.; Packard, Corinne E.; Schuh, Christopher A. (American Institute of Physics, 2010-07)
    An instrument capable of performing nanoindentation at temperatures up to 500 °C in inert atmospheres, including partial vacuum and gas near atmospheric pressures, is described. Technical issues associated with the technique ...
  • Trelewicz, Jason R.; Schuh, Christopher A. (Elsevier, 2009-08)
    High-temperature nanoindentation experiments are conducted to assess the activation enthalpy for deformation of nanocrystalline Ni–W alloys, for grain sizes between 3 and 80 nm. Thermal softening becomes less pronounced ...
  • Yokoyama, Kenichi; Uhlin, Ulla; Stubbe, JoAnne (American Chemical Society (ACS), 2010-10)
    Escherichia coli ribonucleotide reductase is an α2β2 complex that catalyzes the conversion of nucleotides to deoxynucleotides and requires a diferric-tyrosyl radical (Y[superscript •]) cofactor to initiate catalysis. The ...
  • Winn, Joshua Nathan; Fabrycky, Daniel; Albrecht, Simon H.; Johnson, John Asher (American Physical Society, 2010-07)
    We show that stars with transiting planets for which the stellar obliquity is large are preferentially hot (T [subscript eff] > 6250 K). This could explain why small obliquities were observed in the earliest measurements, ...
  • Coulson, N. Edward; Fisher, Lynn (Elsevier, 2008-12)
    We develop two search-theoretic models emphasizing firm entry to examine the Oswald hypothesis, the idea that homeownership is linked to inferior labor market outcomes, and compare their predictions to three extant theories. ...
  • Dreyfuss, Jonathan M.; Levner, Daniel; Galagan, James E.; Church, George M.; Ramoni, Marco F. (BioMed Central Ltd., 2012-07)
    Background Pre-symptomatic prediction of disease and drug response based on genetic testing is a critical component of personalized medicine. Previous work has demonstrated that the predictive capacity of genetic testing ...
  • Bors, Eleanor Kathleen; Solomon, Susan (National Academy of Sciences (U.S.), 2013-05)
    Stratospheric ozone loss is on course to become a solved environmental problem, with all significant producing countries (including China and India) undertaking complete phase-outs of ozone-depleting substances. The universal ...
  • Antipov, Eugene; Cho, Art E.; Klibanov, Alexander M. (American Chemical Society, 2009-08)
    The effect of all possible mutations at position 178 on the enantioselectivity of yeast surface-bound horseradish peroxidase (HRP) toward chiral phenols has been investigated. In contrast to their wild-type predecessor, ...
  • Poliannikov, Oleg V.; Malcolm, Alison E.; Djikpesse, Hugues; Prange, Michael (Society of Exploration Geophysicists, 2011)
    Hydraulic fracturing is an important tool that helps extract fluids from the subsurface. It is critical in applications ranging from enhanced oil recovery to geothermal energy pro-duction. As the goal of fracturing is to ...
  • O'Gorman, Paul Ambrose; Muller, C. J. (IOP Publishing, 2010-04)
    The factors governing the rate of change in the amount of atmospheric water vapor are analyzed in simulations of climate change. The global-mean amount of water vapor is estimated to increase at a differential rate of 7.3% ...
  • Graves, John A.; Gruber, Jonathan (American Economic Association, 2012-05)
    It is widely recognized that the 2006 Massachusetts health reforms served as a blueprint for national reform under the 2010 Affordable Care Act (ACA). As such, there is interest in using the Massachusetts experience to ...
  • Weber, Joseph P.; Rice, Sarah; Leone, Andrew J.; Willenborg, Michael (Wiley Blackwell, 2012-04)
    The study of periods of market euphoria, such as Holland’s seventeenth-century tulip mania, England’s eighteenth-century South Sea Company, America’s nineteenth-century railroads, or, most recently, the U.S. housing ...
  • Biddle, Gary C.; Hilary, Gilles; Verdi, Rodrigo (Elsevier, 2009-09)
    Prior evidence that higher-quality financial reporting improves capital investment efficiency leaves unaddressed whether it reduces over- or under-investment. This study provides evidence of both in documenting a conditional ...
  • Tucker, Catherine Elizabeth; Zhang, Juanjuan (INFORMS, 2011-05)
    Popularity information is usually thought to reinforce existing sales trends by encour- aging customers to ock to mainstream products with broad appeal. We suggest a countervailing market force: popularity information ...
  • Ellison, Glenn (American Economic Association, 2013-07)
    A large literature following Hirsch (2005) has proposed citation- based indexes of individuals' research output. This paper views Hirsch's index as one member of a larger class and examines how well different indexes align ...
  • Chiou, Lesley; Tucker, Catherine Elizabeth (Institute for Operations Research and the Management Sciences (INFORMS), 2012-08)
    Firms that sell via a direct channel and via indirect channels have to decide whether to allow third-party sellers to use trademarked brand names of products in their advertising. This question has been particularly ...
  • Tan, Vincent Yan Fu; Anandkumar, Animashree; Willsky, Alan S. (Institute of Electrical and Electronics Engineers, 2010-01)
    The problem of learning tree-structured Gaussian graphical models from i.i.d. samples is considered. The influence of the tree structure and the parameters of the Gaussian distribution on the learning rate as the number ...
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