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Browsing MIT Open Access Articles by Title

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  • Measuring active-to-sterile neutrino oscillations with neutral current coherent neutrino-nucleus scattering 
    Anderson, A. J.; Conrad, J. M.; Figueroa-Feliciano, Enectali; Ignarra, Christina; Karagiorgi, Georgia Stelios; Scholberg, K.; Shaevitz, M. H.; Spitz, Joshua B. (American Physical Society, 2012-07)
    Light sterile neutrinos have been introduced as an explanation for a number of oscillation signals at Δm[superscript 2]∼1  eV[superscript 2]. Neutrino oscillations at relatively short baselines provide a probe of these ...
  • Measuring Charge Transport in a Thin Solid Film Using Charge Sensing 
    MacLean, Kenneth; Mentzel, Tamar; Kastner, Marc (American Chemical Society, 2010-03)
    We measure charge transport in a hydrogenated amorphous silicon (a-Si:H) thin film using a nanometer scale silicon MOSFET as a charge sensor. This charge detection technique makes possible the measurement of extremely large ...
  • Measuring charge trap occupation and energy level in CdSe/ZnS quantum dots using a scanning tunneling microscope 
    Bulovic, Vladimir; Anikeeva, Polina; Panzer, Matthew J.; Wood, Vanessa Claire; Hummon, M. R.; Stollenwerk, A. J.; Narayanamurti, V. (American Physical Society, 2010-03)
    We use a scanning tunneling microscope to probe single-electron charging phenomena in individual CdSe/ZnS (core/shell) quantum dots (QDs) at room temperature. The QDs are deposited on top of a bare Au thin film and form a ...
  • Measuring charge trap occupation and energy level in CdSe/ZnS quantum dots using a scanning tunneling microscope 
    Hummon, M. R.; Stollenwerk, A. J.; Narayanamurti, V.; Anikeeva, Polina; Panzer, Matthew J.; Wood, Vanessa Claire; Bulovic, Vladimir (American Physical Society, 2010-03)
    We use a scanning tunneling microscope to probe single-electron charging phenomena in individual CdSe/ZnS (core/shell) quantum dots (QDs) at room temperature. The QDs are deposited on top of a bare Au thin film and form a ...
  • Measuring chromosome conformation with degenerate labels 
    Ross, Brian Christopher; Wiggins, Paul A. (American Physical Society, 2012-07)
    Although DNA conformation plays an integral role in all genetic processes from transcription to chromosome segregation, there is as yet no tractable method for capturing the in vivo conformation of a chromosome at high ...
  • Measuring Gravitational Lensing Flexion in A1689 Using an Analytic Image Model 
    Cain, Benjamin; Bautz, Marshall W.; Schechter, Paul L. (IOP Publishing, 2011-07)
    Measuring dark matter substructure within galaxy cluster halos is a fundamental probe of the ΛCDM model of structure formation. Gravitational lensing is a technique for measuring the total mass distribution which is ...
  • Measuring Higgs Couplings from LHC Data 
    Klute, Markus; Lafaye, Rémi; Plehn, Tilman; Rauch, Michael; Zerwas, Dirk (American Physical Society, 2012-09)
    Following recent ATLAS and CMS publications we interpret the results of their Higgs searches in terms of standard model operators. For a Higgs boson mass of 125 GeV we determine several Higgs couplings from published 2011 ...
  • Measuring Instantaneous Frequency of Local Field Potential Oscillations using the Kalman Smoother 
    Nguyen, David P.; Wilson, Matthew A.; Brown, Emery N.; Barbieri, Riccardo (Elsevier B.V., 2009-08)
    Rhythmic local field potentials (LFPs) arise from coordinated neural activity. Inference of neural function based on the properties of brain rhythms remains a challenging data analysis problem. Algorithms that characterize ...
  • Measuring parameters of massive black hole binaries with partially aligned spins 
    Hughes, Scott A.; Lang, Ryan N.; Cornish, Neil J. (American Physical Society, 2011-07)
    The future space-based gravitational wave detector LISA will be able to measure parameters of coalescing massive black hole binaries, often to extremely high accuracy. Previous work has demonstrated that the black hole ...
  • Measuring single-cell density 
    Grover, William; Bryan, Andrea Kristine; Diez Silva, Monica; Suresh, Subra; Higgins, John M.; Manalis, Scott R. (National Academy of Sciences (U.S.), 2011-07)
    We have used a microfluidic mass sensor to measure the density of single living cells. By weighing each cell in two fluids of different densities, our technique measures the single-cell mass, volume, and density of ...
  • Measuring SPIO and Gd contrast agent magnetization using 3 T MRI 
    Cantillon-Murphy, Pádraig; Wald, Lawrence L.; Zahn, Markus; Adalsteinsson, Elfar (Wiley Blackwell (John Wiley & Sons), 2009-07)
    Traditional methods of measuring magnetization in magnetic fluid samples, such as vibrating sample magnetometry (VSM), are typically limited to maximum field strengths of about 1 T. This work demonstrates the ability of ...
  • Measuring SPIO and Gd contrast agent magnetization using 3T MRI 
    Cantillon-Murphy, Padraig; Wald, Lawrence L.; Zahn, Markus; Adalsteinsson, Elfar (John Wiley & Sons, Ltd., 2009-05)
    Traditional methods of measuring magnetization in magnetic fluid samples, such as vibrating sample magnetometry (VSM), are typically limited to maximum field strengths of about 1 T. This work demonstrates the ability of ...
  • Measuring Student Learning With Item Response Theory 
    Lee, Young-Jin; Palazzo, David J.; Warnakulasooriya, Rasil; Pritchard, David E. (American Physical Society, 2008-01)
    We investigate short-term learning from hints and feedback in a Web-based physics tutoring system. Both the skill of students and the difficulty and discrimination of items were determined by applying item response theory ...
  • Measuring the activity of BioBrick promoters using an in vivo reference standard 
    Monie, Dileep D.; Glieberman, Aaron L.; de Mora, Kim; Czar, Michael J.; Cumbers, John; Ajo-Franklin, Caroline M.; Davis, Joseph Harry; Rubin, Adam J.; Kelly, Jason R.; Endy, Andrew D. (BioMed Central, 2009-03)
    Background: The engineering of many-component, synthetic biological systems is being made easier by the development of collections of reusable, standard biological parts. However, the complexity of biology makes it difficult ...
  • Measuring the Collective Potential of Populations From Dynamic Social Interaction Data 
    Cebrian, Manuel; Lahiri, Mayank; Oliver, Nuria; Pentland, Alex Paul (Institute of Electrical and Electronics Engineers, 2010-08)
    In any society, is the way in which individuals interact, intentionally or unintentionally, designed to maximize global benefit, or does it result in a fundamentally non-egalitarian stratification of society, where a small ...
  • Measuring the Impact of Financial Intermediation: Linking Contract Theory to Econometric Policy Evaluation 
    Townsend, Robert; Urzula, Sergio S. (Cambridge University Press, 2009-09)
    We study the impact that financial intermediation can have on productivity through the alleviation of credit constraints in occupation choice and/or an improved allocation of risk, using both static and dynamic structural ...
  • Measuring the impact of health policies using Internet search patterns: the case of abortion 
    Reis, Ben I.; Brownstein, John S. (Springer (Biomed Central Ltd.), 2010-08)
    Background Internet search patterns have emerged as a novel data source for monitoring infectious disease trends. We propose that these data can also be used more broadly to study the impact of health policies across ...
  • MeBot: A robotic platform for socially embodied telepresence 
    Adalgeirsson, Sigurdur Orn; Breazeal, Cynthia Lynn (Institute of Electrical and Electronics Engineers, 2010-03)
    Telepresence refers to a set of technologies that allow users to feel present at a distant location; telerobotics is a subfield of telepresence. This paper presents the design and evaluation of a telepresence robot which ...
  • Mechanical compression drives cancer cells toward invasive phenotype 
    Tse, Janet M.; Cheng, Gang; Tyrrell, James A.; Wilcox-Adelman, Sarah A.; Boucher, Yves; Jain, Rakesh K.; Munn, Lance L. (National Academy of Sciences, 2012-01)
    Uncontrolled growth in a confined space generates mechanical compressive stress within tumors, but little is known about how such stress affects tumor cell behavior. Here we show that compressive stress stimulates migration ...
  • Mechanical energy transfer and dissipation in fibrous beta-sheet-rich proteins 
    Xu, Zhiping; Buehler, Markus J. (American Physical Society, 2010-06)
    Mechanical properties of structural protein materials are crucial for our understanding of biological processes and disease states. Through utilization of molecular simulation based on stress wave tracking, we investigate ...
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