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Browsing MIT Open Access Articles by Title

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  • Arelekatti, Venkata N M; Winter, Amos G. (American Society of Mechanical Engineers, 2015-08)
    An estimated 230,000 above-knee amputees in India are currently in need of prosthetic care, a majority of them facing severe socio-economic constraints. However, only few passive prosthetic knee devices in the market have ...
  • Niu, Dawen; Buchwald, Stephen Leffler (American Chemical Society (ACS), 2015-07)
    The CuH-catalyzed hydroamination of alkenes and alkynes using a silane and an amine transfer reagent represents a simple strategy to access chiral amine products. We have recently reported methods to prepare chiral amines ...
  • Demkowicz, Michael J.; Misra, Amit; 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 ...
  • Park, Nathaniel Hamilton; Vinogradova, Ekaterina V.; Surry, David S; Buchwald, Stephen Leffler (Wiley Blackwell, 2015-04)
    In Pd-catalyzed C[BOND]N cross-coupling reactions, α-branched secondary amines are difficult coupling partners and the desired products are often produced in low yields. In order to provide a robust method for accessing ...
  • Birge, Jonathan R.; Kaertner, 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 ...
  • Chen, T. Scott; Reinke, Aaron W.; Keating, Amy E. (Elsevier, 2011-02)
    Designing proteins or peptides that bind native protein targets can aid the development of novel reagents and/or therapeutics. Rational design also tests our understanding of the principles underlying protein recognition. ...
  • Men, Han; Nguyen, Ngoc Cuong; Freund, Robert Michael; Lim, K. M.; Parrilo, Pablo A.; Peraire, Jaime (American Physical Society, 2011-04)
    We present and use an algorithm based on convex conic optimization to design two-dimensional photonic crystals with large absolute band gaps. Among several illustrations we show that it is possible to design photonic ...
  • Sievers, Martin; Lienhard, John H. (Taylor & Francis, 2014-04)
    A two-dimensional numerical model of a plate-fin tube heat exchanger for use as a dehumidifier in a humidification-dehumidification (HDH) desalination systems is developed, because typical heating, ventilating, and air ...
  • Zhernenkov, Mikhail; Gill, Simerjeet; Stanic, Vesna; DiMasi, Elaine; Kisslinger, Kim; Baldwin, J. Kevin; Misra, Amit; Ecker, Lynne; Demkowicz, Michael J. (American Institute of Physics (AIP), 2014-05)
    Helium implantation from transmutation reactions is a major cause of embrittlement and dimensional instability of structural components in nuclear energy systems. Development of novel materials with improved radiation ...
  • Han, Weizhong; Demkowicz, Michael J.; Mara, Nathan A.; Fu, Engang; Sinha, Subhasis; Rollett, Anthony D.; Wang, Yongqiang; Carpenter, John S.; Beyerlein, Irene J.; Misra, Amit (Wiley Blackwell, 2013-09)
    A novel interface engineering strategy is proposed to simultaneously achieve superior irradiation tolerance, high strength, and high thermal stability in bulk nanolayered composites of a model face-centered-cubic ...
  • Perreault, David J.; Santiago-Gonzalez, Juan Anton; Afridi, Khurram (Institute of Electrical and Electronics Engineers (IEEE), 2013-06)
    Resonant rectifiers have important application in very-high-frequency power conversion systems, including dc-dc converters, wireless power transfer systems, and energy recovery circuits for radio-frequency systems. In many ...
  • Umeton, Renato; Stracquadanio, Giovanni; Sorathiya, Anilkumar; Papini, Alessio; Nicosia, Giuseppe; Lio, Pietro (Association for Computing Machinery (ACM), 2011-06)
    In this paper we investigate plant photosynthesis and microbial fuel cells. We report the following: 1) we introduce and validate a novel multi-objective optimization algorithm, PMO2; 2) in photosynthesis we increase the ...
  • Bresch-Pietri, Delphine; Del Vecchio, Domitilla (Institute of Electrical and Electronics Engineers (IEEE), 2014-06)
    This paper addresses the design of a distributed safety controller for two agents, subject to communication delay. The control objective is to ensure safety, meaning that the state of the two-agent system does not enter ...
  • Roslaniec, Lukasz; Perreault, David J.; Jurkov, Alexander; Al Bastami, Anas Ibrahim (Institute of Electrical and Electronics Engineers (IEEE), 2014-06)
    Single-Switch inverters such as the conventional Class-E inverter are often highly load sensitive, and maintain zero-voltage switching over only a narrow range of load resistances. This paper introduces a design methodology ...
  • Chookajorn, Tongjai; Murdoch, Heather Ann; Schuh, Christopher A. (American Association for the Advancement of Science (AAAS), 2012-08)
    Nanostructured metals are generally unstable; their grains grow rapidly even at low temperatures, rendering them difficult to process and often unsuitable for usage. Alloying has been found to improve stability, but only ...
  • Greco, Joseph Anthony, Jr. (The International Society for Optical Engineering, 2009-08)
    The forward error correction (FEC) and interleaver realizations used in a 5.4 km horizontal-path link experiment incorporated several unique elements that were specifically tailored to address turbulence-induced fading. ...
  • Lazic, Predrag; Atodiresei, Nicolae; Brede, Jens; Caciuc, Vasile; Hoffmann, Germar; Wiesendanger, Roland; Blügel, Stefan (American Physical Society, 2010-08)
    By means of ab initio calculations and spin-polarized scanning tunneling microscopy experiments the creation of a complex energy dependent magnetic structure with a tailored spin-polarized interface is demonstrated. We ...
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