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Browsing MIT Open Access Articles by Title

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  • Drake, Adam; Browne, Edward P.; Phennicie, Ryan T.; Chen, J. (Biomed Central Ltd., 2012-09)
    Lentiviral entry to quiescent lymphocytes represents a 'time bomb' waiting for cellular activation to spread infection. In order to undergo immune activation T cells interact with dendritic cells presenting peptide:MHC ...
  • Villabona-Arenas, Christian Julian; Mondini, Adriano; Bosch, Irene; Schimitt, Diane; Calzavara-Silva, Carlos E.; de A Zanotto, Paolo M.; Nogueira, Mauricio L. (Public Library of Science, 2013-05)
    Global dengue virus spread in tropical and sub-tropical regions has become a major international public health concern. It is evident that DENV genetic diversity plays a significant role in the immunopathology of the disease ...
  • Goyal, Vivek K.; Fletcher, Alyson K.; Rangan, Sundeep; Ramchandran, Kannan (Hindawi Publishing Corporation, 2006-03)
    If a signal is known to have a sparse representation with respect to a frame, it can be estimated from a noise-corrupted observation by finding the best sparse approximation to . Removing noise in this manner depends on ...
  • Weller, Daniel S.; Polimeni, Jonathan R.; Grady, Leo; Wald, Lawrence L.; Adalsteinsson, Elfar; Goyal, Vivek K. (Wiley Blackwell, 2011-12)
    To accelerate magnetic resonance imaging using uniformly undersampled (nonrandom) parallel imaging beyond what is achievable with generalized autocalibrating partially parallel acquisitions (GRAPPA) alone, the DEnoising ...
  • Malik, Wasim Q.; Schummers, James; Sur, Mriganka; Brown, Emery N. (Public Library of Science, 2011-06)
    Two-photon calcium imaging is now an important tool for in vivo imaging of biological systems. By enabling neuronal population imaging with subcellular resolution, this modality offers an approach for gaining a fundamental ...
  • Gorelik, Maria; Möseneder Frajria, Pierluigi; Papi, Paolo; Kac, Victor (Springer-Verlag, 2012-03)
    We provide formulas for the denominator and superdenominator of a basic classical type Lie superalgebra for any set of positive roots. We establish a connection between certain sets of positive roots and the theory of ...
  • Gong, Nan-Wei; Ray, Steve; Ware, Gary; Leida, Brett; Ren, Tim; London, Phil; Paradiso, Joseph A.; Ware, Laura M.; Turza, Ashley K.; Way, David H.; Glicksman, Leon R. (Institute of Electrical and Electronics Engineers (IEEE), 2012-10)
    We describe the design and implementation of a dense, low-power wireless sensor network for fine-grained three-dimensional thermal characterization of a large open indoor space. To better understand the airflow dynamics ...
  • Novershtern, Noa; Subramanian, Aravind; Lawton, Lee N.; Mak, Raymond H.; Haining, W. Nicholas; McConkey, Marie E.; Habib, Naomi; Yosef, Nir; Chang, Cindy Y.; Shay, Tal; Frampton, Garrett M.; Leskov, Ilya; Nilsson, Bjorn; Preffer, Fred; Dombkowski, David; Evans, John W.; Liefeld, Ted; Smutko, John S.; Chen, Jianzhu; Friedman, Nir; Young, Richard A.; Golub, Todd R.; Regev, Aviv; Ebert, Benjamin L.; Drake, Adam (Elsevier, 2011-01)
    Though many individual transcription factors are known to regulate hematopoietic differentiation, major aspects of the global architecture of hematopoiesis remain unknown. Here, we profiled gene expression in 38 distinct ...
  • Wornell, Gregory W.; Krieger, James D.; Zheng, Lizhong; Yeang, Chen-Pang (Institute of Electrical and Electronics Engineers (IEEE), 2010-09)
    Recent progress in millimeter-wave and microwave integrated circuit (IC) manufacturing technology has created new opportunities for the development of novel, low-cost antenna array architectures. In such systems, the ...
  • Yeang, Chen-Pang; Wornell, Gregory W.; Zheng, Lizhong; Krieger, James D. (2010-10)
    A dense antenna array architecture is developed to ease the circuit requirements of the radio frequency (RF) front-end in beamforming applications. In the architecture, antennas are spaced more closely than required by the ...
  • Wang, Z. T.; Pan, J.; Li, Y.; Schuh, Christopher A. (American Physical Society, 2013-09)
    The deformation of metallic glasses involves two competing processes: a disordering process involving dilatation, free volume accumulation, and softening, and a relaxation process involving diffusional ordering and ...
  • Chen, Jiahao; Van Voorhis, Troy; Welborn, Matthew Gregory (American Physical Society, 2013-11)
    We investigate how free probability allows us to approximate the density of states in tight-binding models of disordered electronic systems. Extending our previous studies of the Anderson model in one dimension with ...
  • Zhang, Xueyan; Nepf, Heidi (American Geophysical Union, 2008-08)
    Differences in water density can drive an exchange flow between the vegetated and open regions of surface water systems. A laboratory experiment has been conducted to investigate this exchange flow, using a random array ...
  • Radtke, G.; Saul, Alberto Andres (American Physical Society, 2014-03)
    Density functional calculations have been carried out to investigate the microscopic origin of the magnetic properties of β-TeVO[subscript 4]. Two different approaches, based either on a perturbative treatment of the ...
  • Zhang, Yang; Chen, Sow-Hsin; Faraone, Antonio; Kamitakahara, William A.; Liu, Kao-Hsiang; Mou, Chung-Yuan; Leão, Juscelino B.; Chang, Sung (Proceedings of the National Academy of Sciences (PNAS), 2011-07)
    A neutron scattering technique was developed to measure the density of heavy water confined in a nanoporous silica matrix in a temperature-pressure range, from 300 to 130 K and from 1 to 2,900 bars, where bulk water will ...
  • Faraone, Antonio; Kamitakahara, William A.; Liu, Kao-Hsiang; Mou, Chung-Yuan; Leão, Juscelino B.; Chang, Sung; Zhang, Yang; Chen, Sow-Hsin (Proceedings of the National Academy of Sciences (PNAS), 2011-06)
    A neutron scattering technique was developed to measure the density of heavy water confined in a nanoporous silica matrix in a temperature-pressure range, from 300 to 130 K and from 1 to 2,900 bars, where bulk water will ...
  • Movassagh, Ramis; Edelman, Alan (American Physical Society, 2011-08)
    We propose a method that we call isotropic entanglement (IE), which predicts the eigenvalue distribution of quantum many body (spin) systems with generic interactions. We interpolate between two known approximations by ...
  • Reinke, Matthew Logan; Rice, John E.; White, Anne E.; Greenwald, Martin J.; Howard, Nathaniel Thomas; Ennever, Paul Chappell; Hubbard, Amanda E.; Hughes, Jerry W.; Gao, Chi (IOP Publishing, 2013-01)
    The physical mechanisms that cause tokamak plasmas to rotate toroidally without external momentum input are of considerable interest to the plasma physics community. This paper documents a substantial change in both the ...
  • Kang, Eunsuk; Jackson, Daniel (Institute of Electrical and Electronics Engineers, 2010-11)
    An approach is suggested for arguing that a system is dependable. The key idea is to structure the system so that critical requirements are localized in small, reliable subsets of the system's components called trusted ...
  • Abernathey, Ryan Patrick; Marshall, John C.; Ferreira, David (American Meteorological Society, 2011-12)
    An eddy-resolving numerical model of a zonal flow, meant to resemble the Antarctic Circumpolar Current, is described and analyzed using the framework of J. Marshall and T. Radko. In addition to wind and buoyancy forcing ...
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