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Browsing MIT Open Access Articles by Title

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  • Slocum, Alexander H.; Bosworth, William R.; Mazumdar, Anirban; Saez, Miguel A.; Culpepper, Martin Luther; Levine, Robert A. (American Society of Mechanical Engineers, 2009-06)
    This paper focuses on the design and implementation of a percutaneous catheter-based device to provide physicians with an externally controlled tool capable of manipulating and cutting specific chordae tendinae within the ...
  • Ramanujam, Rohit Sunkam; Soteriou, Vassos; Lin, Bill; Peh, Li-Shiuan (Institute of Electrical and Electronics Engineers (IEEE), 2010-07)
    Router microarchitecture plays a central role in the performance of an on-chip network (NoC). Buffers are needed in routers to house incoming flits which cannot be immediately forwarded due to contention. This buffering ...
  • Castonia, Ryan; Boussemart, Yves; Cummings, M. L. (American Institute of Aeronautics and Astronautics, 2010-04)
    This paper presents the findings from the design, development, and evaluation of a hidden semi-Markov model based operator state monitoring display. This operator state monitoring display is designed to function as a ...
  • Bassett, Erik K.; Slocum, Alexander H.; Masiakos, Peter T.; Pryor, Howard I., II; Farokhzah, Omid C.; Karp, Jeffrey Michael (National Academy of Sciences, 2009-03)
    Insertion of trocars, needles, and catheters into unintended tissues or tissue compartments results in hundreds of thousands of complications annually. Current methods for blood vessel cannulation or epidural, chest tube, ...
  • Burgess, Ian B.; Zhang, Yinan; McCutcheon, Murray W.; Rodriguez, Alejandro W.; Bravo-Abad, Jorge; Johnson, Steven G.; Loncar, Marko (Optical Society of America, 2009-10)
    We propose a scheme for efficient cavity-enhanced nonlinear THz generation via difference-frequency generation (DFG) processes using a triply resonant system based on photonic crystal cavities. We show that high nonlinear ...
  • Chatzigeorgiou, Dimitris; Youcef-Toumi, Kamal; Ben-Mansour, Rached; Chatzigeorgiou, Dimitrios (Institute of Electrical and Electronics Engineers (IEEE), 2014-03)
    Leakage is the major factor for unaccounted losses in every pipe network around the world (oil, gas, or water). In most cases, the deleterious effects associated with the occurrence of leaks may present serious economical ...
  • Comfoltey, E. Nicholas; Shapiro, Michael; Sirigiri, Jagadishwar R.; Temkin, Richard J. (Institute of Electrical and Electronics Engineers, 2009-08)
    We report on the design and cold test validation of an overmoded TWT capable of producing power in excess of 100 Watts in the W-band and above. The TWT operates in the TM31 mode of a rectangular cavity and has transverse ...
  • Xia, Cassandra T.; Maes, Patricia (Association for Computing Machinery, 2013-03)
    Fifty years ago, Doug Engelbart created a conceptual framework for augmenting human intellect in the context of problem-solving. We expand upon Engelbart's framework and use his concepts of process hierarchies and artifact ...
  • Gilbertson, Eric W.; Hover, Franz S.; Arellano, Jose; Freeman, Bryan (ASME International, 2011-06)
    Gas-lifted oil wells are susceptible to failure through malfunction of gas lift valve assemblies (GLV). One failure mode occurs when the GLV check valve fails and product passes into the well annulus, potentially reaching ...
  • Zheng, Lizhong; Huang, Shao-Lun; Blankenship, Yufei (Institute of Electrical and Electronics Engineers (IEEE), 2010-08)
    In information theory, in order to maximize the total throughput, it is required that the codebook has an empirical distribution that maximizes the mutual information over the channel. In coding theory, however, most codes ...
  • Hassan, Gimba; Perreault, David J.; Keim, Thomas A. (Institute of Electrical and Electronics Engineers (IEEE), 2005-01)
    The push to introduce dual-voltage (42 V/14 V) automotive electrical systems necessitates power generation solutions capable of supplying power to multiple outputs. A number of approaches for implementing dual-voltage ...
  • Zheng, H.; Ooi, B. H.; Cho, Wonjoon; Dao, M. H.; Tkalich, P.; Patrikalakis, Nicholas M. (American Institute of Physics, 2010-05)
    Due to the highly non-linear and dynamical nature of oceanic phenomena, the predictive capability of various ocean models depends on the availability of operational data. A practical method to improve the accuracy of the ...
  • Sievers, Martin; Lienhard, John H. (Taylor & Francis, 2013-01)
    Flat-plate heat exchangers are examined for use as dehumidifiers in humidification–dehumidification (HDH) desalination systems. The temperature and humidity ratio differences that drive mass transfer are considerably higher ...
  • Vaucelle, Catherine Nicole; Bonanni, Leonardo Amerigo; Ishii, Hiroshi (Association for Computing Machinery, 2009-04)
    Touch is fundamental to our emotional well-being. Medical science is starting to understand and develop touch-based therapies for autism spectrum, mood, anxiety and borderline disorders. Based on the most promising touch ...
  • Pejawar Gaddy, Sharmila; Kovacs, J.; Barouch, D.; Chen, B.; Irvine, Darrell J. (BioMed Central Ltd., 2012-09)
    Background: Immunization strategies that elicit antibodies capable of neutralizing diverse strains of the virus will likely be an important part of a successful vaccine against HIV. The envelope trimer is the only ...
  • Demkowicz, Michael J.; Misra, A.; Zhang, X.; Hoagland, R. G.; Nastasi, M. (Cambridge University Press, 2009-01)
    The combination of high strength and high radiation damage tolerance in nanolaminate composites can be achieved when the individual layers in these composites are only a few nanometers thick and therefore these materials ...
  • Kimerling, Lionel C.; Hu, Juejun; Lin, Shiyun; Crozier, Kenneth (Institute of Electrical and Electronics Engineers, 2009-08)
    We design and numerically simulate a photonic crystal waveguide cavity with a nanoslot structure for single nanoparticle trapping. A 135times enhancement of optical gradient trapping force compared to plain waveguide ...
  • Birge, Jonathan R.; Kartner, Franz X. (Institute of Electrical and Electronics Engineers, 2009-08)
    The optimization of phase distortion spectral power density is proposed as an alternative to GDD minimization of ultrafast cavity mirrors. This criterion is shown to minimize the detuning of cavity resonances from a uniform comb.
  • Yin, Jie; Gleason, Karen K.; Yague, Jose Luis; Boyce, Mary Cunningham (2013-01)
    The formation of patterned surfaces is a common tool to engineer materials. The capability to design and reproduce detailed features is a key factor to fulfill requirements for functional surfaces. Generation of wrinkles ...
  • Rhodius, Virgil A; Sharon, Brian D; Orlova, Ekaterina; Tabakh, Hannah; Burkhardt, David H; Clancy, Kevin; Peterson, Todd C; Gross, Carol A; Segall-Shapiro, Thomas H.; Ghodasara, Amar Navin; Voigt, Christopher A. (Nature Publishing Group, 2013-10)
    Cells react to their environment through gene regulatory networks. Network integrity requires minimization of undesired crosstalk between their biomolecules. Similar constraints also limit the use of regulators when building ...
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