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Browsing MIT Open Access Articles by Title

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  • Jeltema, Tesla E.; Canizares, Claude R.; Bautz, Mark W.; Malm, Michael R.; Donahue, Megan; Garmire, Gordon P. (IOP Publishing, 2001-11)
    We observed MS 1054-0321, the highest redshift cluster of galaxies in the Einstein Medium Sensitivity Survey (EMSS), with the Chandra ACIS-S detector. We find the X-ray temperature of the cluster to be 10.4 [+1.7 over -1.5] ...
  • Hanke, Manfred; Wilms, Jörn; Nowak, Michael A.; Pottschmidt, Katja; Schulz, Norbert S.; Lee, Julia C. (IOP Publishing, 2008-12)
    We present analyses of a 50 ks observation of the supergiant X-ray binary system Cygnus X-1 (Cyg X-1)/HDE226868 taken with the Chandra High Energy Transmission Grating Spectrometer (HETGS). Cyg X-1 was in its spectrally ...
  • Piles, Maria; Camps, Adriano; Entekhabi, Dara (Institute of Electrical and Electronics Engineers, 2009-11)
    A change detection algorithm has been developed in order to obtain high-resolution soil moisture estimates from future Soil Moisture Active and Passive (SMAP) L-band radar and radiometer observations. The approach combines ...
  • Oloritun, Rahman O.; Ouarda, Taha B. M. J.; Moturu, Sai; Madan, Anmol; Khayal, Inas; Pentland, Alex Paul (Public Library of Science, 2013-11)
    Research has mostly focused on obesity and not on processes of BMI change more generally, although these may be key factors that lead to obesity. Studies have suggested that obesity is affected by social ties. However these ...
  • Cackett, E. M.; Brown, E. F.; Cumming, A.; Degenaar, N.; Fridriksson, Joel K.; Miller, J. M.; Wijnands, R.; Homan, Jeroen (IOP Publishing, 2013-08)
    The quasi-persistent neutron star low-mass X-ray binary MXB 1659–29 went into quiescence in 2001, and we have followed its quiescent X-ray evolution since. Observations over the first 4 yr showed a rapid drop in flux and ...
  • Guevara, Cristian Angelo; Ben-Akiva, Moshe E. (Institute for Operations Research and the Management Sciences (INFORMS), 2012-08)
    Endogeneity is a model misspecification that precludes the consistent estimation of the model parameters. The control-function method is the most suitable tool to address endogeneity for several discrete choice models that ...
  • Meerson, Ari; Cacheaux, Luisa; Goosens, Ki Ann; Sapolsky, Robert M.; Soreq, Hermona; Kaufer, Daniela (Springer-Verlag, 2009-08)
    Mental stress modifies both cholinergic neurotransmission and alternative splicing in the brain, via incompletely understood mechanisms. Here, we report that stress changes brain microRNA (miR) expression and that some of ...
  • Goranov, Alexi I.; Gulati, Amneet; Dephoure, Noah; Takahara, Terunao; Maeda, Tatsuya; Gygi, Steven P.; Manalis, Scott R.; Amon, Angelika B. (Elsevier, 2013-06)
    Background: Growth rate is determined not only by extracellular cues such as nutrient availability but also by intracellular processes. Changes in cell morphology in budding yeast, mediated by polarization of the actin ...
  • Bochkis, Irina M.; Przybylski, Dariusz; Chen, Jennifer; Regev, Aviv (Elsevier B.V., 2014-11)
    Aging is accompanied by physiological impairments, which, in insulin-responsive tissues, including the liver, predispose individuals to metabolic disease. However, the molecular mechanisms underlying these changes remain ...
  • Donohue, Julie; O'Malley, A. James; Horvitz-Lennon, Marcela; Taub, Anna Levine; Berndt, Ernst R.; Huskamp, Haiden A. (American Psychiatric Publishing, 2014-03)
    Objective Physician antipsychotic prescribing behavior may be influenced by comparative effectiveness evidence, regulatory warnings, and formulary and other restrictions on these drugs. This study measured changes in the ...
  • Li, A.; Zhou, C.; Moore, J.; Zhang, P.; Tsai, Tsung-Han; Lee, Hsiang-Chieh; Romano, D. M.; McKee, M. L.; Schoenfeld, D. A.; Serra, M. J.; Raygor, K.; Cantiello, H. F.; Fujimoto, James G.; Tanzi, R. E. (Bentham Science Publishers, 2011-05)
    Mutations in the presenilin genes cause the majority of early-onset familial Alzheimer’s disease. Recently, presenilin mutations have been identified in patients with dilated cardiomyopathy (DCM), a common cause of heart ...
  • Fryer, Roland G.; Greenstone, Michael (American Economic Association, 2010-01)
    Using nationally representative data files from 1970s and 1990s college attendees, we find that in the 1970s matriculation at historically black colleges and universities (HBCUs) was associated with higher wages and an ...
  • Sokolov, Andrei P.; Monier, Erwan (American Meteorological Society, 2012-10)
    Conducting probabilistic climate projections with a particular climate model requires the ability to vary the model’s characteristics, such as its climate sensitivity. In this study, the authors implement and validate a ...
  • Pacsi, Adam P; Alhajeri, Nawaf S.; Webber, Michael E; Allen, David T.; Webster, Mort David (IOP Publishing, 2013-08)
    The feasibility, cost, and air quality impacts of using electrical grids to shift water use from drought-stricken regions to areas with more water availability were examined. Power plant cooling represents a large portion ...
  • Volkov, Mikhail; Anwar, Afian Khairil; Rus, Daniela L. (Institute of Electrical and Electronics Engineers (IEEE), 2013-10)
    We present an application that uses a predictive queueing model to efficiently allocate taxis. The system uses observed taxi and flight data at each of the four terminals of Singapore's Changi Airport to estimate the ...
  • Blitvic, Natasa; Stojanovic, Vladimir Marko; Lee, Maxine (Institute of Electrical and Electronics Engineers (IEEE), 2009-05)
    While channel coding is a standard method of improving a system's energy efficiency in digital communications, its practice does not extend to high-speed links. Increasing demands in network speeds are placing a large ...
  • Blitvic, Natasa; Lee, Maxine; Stojanovic, Vladimir Marko (Institute of Electrical and Electronics Engineers, 2009-05)
    While channel coding is a standard method of improving a system's energy efficiency in digital communications, its practice does not extend to high-speed links. Increasing demands in network speeds are placing a large ...
  • Keast, Craig L.; Wyatt, Peter W.; Healey, Paul D.; Yost, Donna-Ruth W.; Gouker, Pascale M.; Chen, Chenson K.; Kedzierski, Jakub T.; Knecht, Jeffrey M.; Chen, Chang-Lee (Institute of Electrical and Electronics Engineers, 2009-10)
    Channel engineering of SOI MOSFETs is explored by altering ion implantation without adding any new fabrication steps to the standard CMOS process. The effects of implantation on characteristics important for RF applications, ...
  • Goyal, Vivek K.; Mitter, Sanjoy K.; Varshney, Lav Raj (Institute of Electrical and Electronics Engineers, 2009-09)
    Given the possibility of communication systems failing catastrophically, we investigate limits to communicating over channels that fail at random times. These channels are finite-state semi-Markov channels. We show that ...
  • Bush, John W. M. (American Physical Society, 2009-01)
    We examine the complex dynamics arising when a water droplet bounces on a horizontal soap film suspended on a vertically oscillating circular frame. A variety of simple and complex periodic bouncing states are observed, ...
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