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Browsing MIT Open Access Articles by Title

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  • Caballero, Ricardo J.; Cowan, Kevin N.; Engel, Eduardo M.R.A.; Micco, Alejandro (Elsevier, 2013-03)
    Microeconomic flexibility is at the core of economic growth in modern market economies because it facilitates the process of creative-destruction. The main reason why this process is not infinitely fast, is the presence ...
  • LHCb collaboration; Counts, Ian Thomas Hunt; Ilten, Philip James; Williams, M. (Elsevier B.V., 2014-09)
    Measurements of the effective lifetimes in the B[0 over s]→K+K−, B0→K+π−B[superscript 0]→K+π− and B[0 over s]→π+K− decays are presented using 1.0 fb−11.0 fb[superscript −1] of pp collision data collected at a centre-of-mass ...
  • Qin, Qi; Han, Ningren; Kao, Tsung-Yu; Reno, John L.; Hu, Qing; Kao, Tsung-Yu (Optical Society of America, 2013-02)
    We demonstrate an effective mode selector design that enables a terahertz quantum cascade wire laser to have a robust single-mode operation at frequencies much lower than the gain peak. This is achieved by selectively ...
  • Hernan, Miguel Angel; Luque-Fernandez, Miguel Angel; Cutsem, Gilles Van; Goemaere, Eric; Hilderbrand, Katherine; Schomaker, Michael; Mantangana, Nompumelelo; Mathee, Shaheed; Dubula, Vuyiseka; Ford, Nathan; Boulle, Andrew (Public Library of Science, 2013-02)
    Abstract: Background: Innovative models of care are required to cope with the ever-increasing number of patients on antiretroviral therapy in the most affected countries. This study, in Khayelitsha, South Africa, evaluates ...
  • Miller, Owen D.; Johnson, Steven G.; Rodriguez, Alejandro W. (American Physical Society, 2014-04)
    We show that the near-field functionality of hyperbolic metamaterials (HMM), typically proposed for increasing the photonic local density of states (LDOS), can be achieved with thin metal films. Although HMMs have an ...
  • Park, Sunho; Sinha, Niraj; Hamad-Schifferli, Kimberly (American Chemical Society, 2010-07)
    The effective hydrodynamic size and free mobility of particles of varying aspect ratio were evaluated by Ferguson analysis of gel electrophoresis. The ligand layer thickness was estimated from the difference between the ...
  • Kamrin, Kenneth N.; Bazant, Martin Z.; Stone, Howard A. (Cambridge University Press, 2010-09)
    In a variety of applications, most notably microfluidics design, slip-based boundary conditions have been sought to characterize fluid flow over patterned surfaces. We focus on laminar shear flows over surfaces with periodic ...
  • Feuillebois, Francois; Bazant, Martin Z.; Vinogradova, Olga I. (American Physical Society, 2009-01)
    Superhydrophobic surfaces reduce drag by combining hydrophobicity and roughness to trap gas bubbles in a microscopic texture. Recent work has focused on specific cases, such as arrays of pillars or grooves, with limited ...
  • O'Gorman, Paul Ambrose (American Meteorological society, 2011-01)
    Water vapor directly affects the dynamics of atmospheric eddy circulations through the release of latent heat. But it is difficult to include latent heat release in dynamical theories because of the associated ...
  • Chen, Ying; Schuh, Christopher A. (American Physical Society, 2009-10)
    The effective transport properties and percolation of continuum composites have commonly been studied using discrete models, i.e., by mapping the continuum to a lattice or network. In this study we instead directly solve ...
  • Bazant, Martin Z.; Ziebert, Falko; Lacoste, David (American Physical Society, 2010-03)
    The behavior of a conductive membrane in a static (dc) electric field is investigated theoretically. An effective zero-thickness model is constructed based on a Robin-type boundary condition for the electric potential at ...
  • Rodriguez-Nieva, J. F.; Saito, R.; Costa, S. D.; Dresselhaus, Mildred (American Physical Society, 2012-06)
    The effect of [superscript 13]C isotope impurities on the phonon properties of graphene is discussed theoretically. We calculated the values of the phonon lifetimes due to isotope impurity scattering for all values of ...
  • Dejam, Andre; Feng, Mengling; Cismondi, Federico; Park, Shinhyuk; Samani, Saira; Samani, Zahra A; Pinto, Duane S; Samani, Zahra; Malley, Brian E.; Celi, Leo Anthony G. (BioMed Central Ltd, 2014-08)
    Introduction: Whether red blood cell (RBC) transfusion is beneficial remains controversial. In both retrospective and prospective evaluations, transfusion has been associated with adverse, neutral, or protective effects. ...
  • Kellinger, Matthew W.; Park, Ga Young; Chong, Jenny; Lippard, Stephen J.; Wang, Dong (American Chemical Society (ACS), 2013-08)
    Transcription inhibition by platinum anticancer drugs is an important component of their mechanism of action. Phenanthriplatin, a cisplatin derivative containing phenanthridine in place of one of the chloride ligands, forms ...
  • Fan, Tso Yee (Institute of Electrical and Electronics Engineers, 2009-04)
    In coherent beam combining (phased arrays), control of the relative amplitudes (powers) of array elements is needed to maximize the beam combining efficiency. Here, expressions are derived for the efficiency in approaches ...
  • Mirkovic, Jelena; Lau, Condon; McGee, Sasha; Yu, Chung-Chieh; Nazemi, Jonathan; Galindo, Luis H.; Feng, Victoria; Darragh, Teresa; de las Morenas, Antonio; Crum, Christoper; Stier, Elizabeth; Feld, Michael S.; Badizadegan, Kamran (Society of Photo-Optical Instrumentation Engineers, 2009-09)
    It has long been speculated that underlying variations in tissue anatomy affect in vivo spectroscopic measurements. We investigate the effects of cervical anatomy on reflectance and fluorescence spectroscopy to guide the ...
  • Coscia, Martina; Cheung, Vincent Chi-Kwan; Tropea, Peppino; Koenig, Alexander; Monaco, Vito; Bennis, Caoimhe; Micera, Silvestro; Bonato, Paolo (BioMed Central Ltd, 2014-03)
    Background Compensating for the effect of gravity by providing arm-weight support (WS) is a technique often utilized in the rehabilitation of patients with neurological conditions such as stroke to facilitate the performance ...
  • Joshi, Gauri; Kochman, Yuval; Wornell, Gregory W. (Institute of Electrical and Electronics Engineers (IEEE), 2014-04)
    Unlike traditional file transfer where only total delay matters, streaming applications impose delay constraints on each packet and require them to be in order. To achieve fast in-order packet decoding, we have to compromise ...
  • Thompson, Carl V.; Sasangka, W. A.; Gan, C. L.; Choi, W. K.; Wei, J. (Institute of Electrical and Electronics Engineers, 2010-02)
    In the present study, the interaction between thin film Cu and non-eutectic Sn-In is studied. The effects of the bonding and aging temperature on microstructure, IMC formation and also shear strength are investigated by ...
  • abu-Rjal, Ramadan; Chinaryan, Vahe; Bazant, Martin Z.; Rubinstein, Isaak; Zaltzman, Boris (American Physical Society, 2014-01)
    In this paper, the variation of permselectivity in the course of concentration polarization is systematically analyzed for a three-layer membrane system consisting of a nonperfectly permselective ion exchange membrane, ...
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