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Browsing MIT Open Access Articles by Title

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  • Adams, Allan; Jockers, Hans; Kumar, Vijay; Lapan, Joshua M. (Springer-Verlag, 2011-12)
    We study sigma models in AdS4 with global N = 1 supersymmetry and find that they differ significantly from their flat-space cousins — the target space is constrained to be a K¨ahler manifold with an exact K¨ahler form, ...
  • Chester, Shai M.; Lee, Jaehoon; Pufu, Silviu S.; Yacoby, Ran (Springer-Verlag, 2014-09)
    We analyze the constraints imposed by unitarity and crossing symmetry on the four-point function of the stress-tensor multiplet of N=8 superconformal field theories in three dimensions. We first derive the superconformal ...
  • Mouchiroud, Laurent; Houtkooper, Riekelt H.; Moullan, Norman; Katsyuba, Elena; Ryu, Dongryeol; Canto, Carles; Mottis, Adrienne; Jo, Young-Suk; Viswanathan, Mohan; Schoonjans, Kristina; Auwerx, Johan; Guarente, Leonard Pershing (Elsevier, 2013-07)
    NAD[superscript +] is an important cofactor regulating metabolic homeostasis and a rate-limiting substrate for sirtuin deacylases. We show that NAD[superscript +] levels are reduced in aged mice and Caenorhabditis elegans ...
  • Bangert, Julian; Zeldovich, Nickolai (Institute of Electrical and Electronics Engineers (IEEE), 2014-05)
    We present Nail, an interface generator that allows programmers to safely parse and generate protocols defined by a Parser-Expression based grammar. Nail uses a richer set of parser combinators that induce an internal ...
  • Kao, Cindy Hsin-Liu; Dementyev, Artem; Paradiso, Joseph A.; Schmandt, Christopher M. (Association for Computing Machinery (ACM), 2015-04)
    We present NailO, a nail-mounted gestural input surface. Using capacitive sensing on printed electrodes, the interface can distinguish on-nail finger swipe gestures with high accuracy (>92%). NailO works in real-time: we ...
  • Yu, Zechuan; Lau, Denvid (Biomed Central Ltd., 2015-04)
    Atomistic simulations of cementitious material can enrich our understanding of its structural and mechanical properties, whereas current computational capacities restrict the investigation length scale within 10 nm. In ...
  • Onbasli, Mehmet Cengiz; Okyay, Ali K. (SPIE--the International Society for Optical Engineering, 2010-08)
    State-of-the-art copper interconnects suffer from increasing spatial power dissipation due to chip downscaling and RC delays reducing operation bandwidth. Wide bandwidth, minimized Ohmic loss, deep sub-wavelength confinement ...
  • Bernardi, Marco; Lohrman, Jessica; Kirkeminde, Alec; Ferralis, Nicola; Grossman, Jeffrey C.; Ren, Shenqiang; Kumar, Priyank Vijaya (American Chemical Society (ACS), 2012-09)
    Carbon materials are excellent candidates for photovoltaic solar cells: they are Earth-abundant, possess high optical absorption, and maintain superior thermal and photostability. Here we report on solar cells with active ...
  • Fachin, Fabio; Viana, J.C.; Pontes, A.J.; Rocha, L.A.; Sepulveda, A.T.; Wardle, Brian L.; Guzman de Villoria, Roberto (Elsevier, 2012-01)
    A new approach for the fabrication of flexible pressure sensors based on aligned carbon nanotubes (A-CNTs) is described in this paper. The technology is suitable for blood pressure sensors that can be attached to a stent-graft ...
  • Cohen-Karni, Tzahi; Jeong, Kyung Jae; Tsui, Jonathan H.; Reznor, Gally; Mustata, Mirela; Wanunu, Meni; Graham, Adam; Marks, Carolyn; Bell, David C.; Langer, Robert; Kohane, Daniel S. (American Chemical Society (ACS), 2012-08)
    Cell-biomaterial interactions can be controlled by modifying the surface chemistry or nanotopography of the material, to induce cell proliferation and differentiation if desired. Here we combine both approaches in forming ...
  • Liao, Bolin; Chen, Gang (Cambridge University Press (Materials Research Society), 2015-09)
    The making of composites has served as a working principle of achieving material properties beyond those of their homogeneous counterparts. The classical effective-medium theory models the constituent phases with local ...
  • Rusina, Anastasia; Durach, Maxim; Nelson, Keith Adam; Stockman, Mark I. (SPIE, 2010-08)
    Here, we establish the principal limits for the nanoconcentration of the THz radiation in metal/dielectric waveguides and determine their optimum shapes required for this nanoconcentration. We predict that the adiabatic ...
  • Bromer, Cailey; Kinney, Justin; Bartol, Thomas M.; Chirillo, Michael A.; Bourne, Jennifer N.; Harris, Kristen M.; Sejnowski, Terrence J. (eLife Sciences Publications, Ltd., 2015-11)
    Information in a computer is quantified by the number of bits that can be stored and recovered. An important question about the brain is how much information can be stored at a synapse through synaptic plasticity, which ...
  • Duguet, T.; Unal, Baris; Ledieu, J.; Dubois, J. M.; Fournee, V.; Thiel, P. A. (American Physical Society, 2011-02)
    Among the three coexisting types of terraces found on the twofold surface of the d-Al-Cu-Co quasicrystal, nanodomains are essentially observed on the transition-metal rich ones, with a coherent interface boundary. Both ...
  • Antoniadis, Dimitri A. (Institute of Electrical and Electronics Engineers, 2010-01)
    Leading edge CMOS technologies today are unique examples of nanoscale engineering at an industrial scale. As we celebrate this remarkable achievement of our industry that forms the ever-expanding technology basis of modern ...
  • Wang, Evelyn N.; Xiao, Rong; Chu, Kuang-Han (SPIE, 2010-02)
    Microfluidic systems offer compact and efficient thermal management strategies. In this work, we investigate novel nanostructured surfaces to control fluidic behavior and enhance heat dissipation in microfluidic systems. ...
  • Bettinger, Christopher J.; Kulig, Katherine M.; Vacanti, Joseph P.; Langer, Robert; Borenstein, Jeffrey T. (Mary Ann Liebert, Inc., 2009-07)
    Synthetic substrates that mimic the properties of extracellular matrix proteins hold significant promise for use in systems designed for tissue engineering applications. In this report, we designed a synthetic polymeric ...
  • Li, Luozhou; Bayn, Igal; Lu, Ming; Nam, Chang-Yong; Stein, Aaron; Schroder, Tim; Harris, Nicholas Christopher; Englund, Dirk Robert (Nature Publishing Group, 2015-01)
    A major challenge in nanofabrication is to pattern unconventional substrates that cannot be processed for a variety of reasons, such as incompatibility with spin coating, electron beam lithography, optical lithography, or ...
  • Kottapalli, Ajay Giri Prakash; Bora, Meghali; Asadnia, Mohsen; Miao, Jianmin; Venkatraman, Subbu S.; Triantafyllou, Michael S. (Nature Publishing Group, 2016-01)
    We present the development and testing of superficial neuromast-inspired flow sensors that also attain high sensitivity and resolution through a biomimetic hyaulronic acid-based hydrogel cupula dressing. The inspiration ...
  • Buongiorno, Jacopo; Hu, Lin-Wen (American Society of Mechanical Engineers, 2009-12)
    Colloidal dispersions of nanoparticles are known as `nanofluids'. Such engineered fluids offer the potential for enhancing heat transfer, particularly boiling heat transfer, while avoiding the drawbacks (i.e., erosion, ...
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