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Browsing MIT Open Access Articles by Title

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  • Saini, S.; Hong, C.-Y.; Bernardis, S.; Pfaff, N.; Kimerling, L. C.; Michel, Jurgen; Kimerling, Lionel C. (American Institute of Physics, 2009-03)
    A hybrid waveguide based on simultaneous propagation of photonic crystal (PC) and total internal reflection confined optical modes is introduced for a scheme to uniformly pump waveguide optical amplifiers (WOAs). Planar ...
  • Smith, J. David; Meuler, Adam J.; Bralower, Harrison L.; Venkatesan, Rama; Subramanian, Sivakumar; Cohen, Robert E.; McKinley, Gareth H.; Varanasi, Kripa K. (Royal Society of Chemistry, The, 2012-03)
    Clathrate hydrate formation and subsequent plugging of deep-sea oil and gas pipelines represent a significant bottleneck for deep-sea oil and gas operations. Current methods for hydrate mitigation are expensive and energy ...
  • Khaykin, S.; Pommereau, J.-P.; Korshunov, L.; Yushkov, V.; Nielsen, J.; Larsen, N.; Christensen, T.; Garnier, A.; Lukyanov, A.; Williams, Earle R. (European Geosciences Union, 2009-03)
    The possible impact of deep convective overshooting over land has been explored by six simultaneous soundings of water vapour, particles and ozone in the lower stratosphere next to Mesoscale Convective Systems (MCSs) during ...
  • Bouffanais, Roland; Yue, Dick K. P. (American Physical Society, 2010-04)
    Mechanotactic cell motility has recently been shown to be a key player in the initial aggregation of crawling cells such as leukocytes and amoebae. The effects of mechanotactic signaling in the early aggregation of amoeboid ...
  • Nepf, Heidi (Taylor & Francis/International Association for Hydro-Environment Engineering and Research, 2012-06)
    This paper highlights some recent trends in vegetation hydrodynamics, focusing on conditions within channels and spanning spatial scales from individual blades, to canopies or vegetation patches, to the channel reach. At ...
  • Bush, John W. M.; Hu, David (Cambridge University Press, 2010-02)
    We present the results of a combined experimental and theoretical investigation of the dynamics of water-walking insects and spiders. Using high-speed videography, we describe their numerous gaits, some analogous to those ...
  • Camci-Unal, Gulden; Nichol, Jason William; Bae, Hojae; Tekin, Halil; Bischoff, Joyce; Khademhosseini, Ali (John Wiley & Sons, Inc, 2013-05)
    Endothelialization of artificial vascular grafts is a challenging process in cardiovascular tissue engineering. Functionalized biomaterials could be promising candidates to promote endothelialization in repair of cardiovascular ...
  • Nicodemus, Rebecca A.; Ramasesha, Krupa; Roberts, Sean Thomas; Tokmakoff, Andrei (American Chemical Society, 2010-03)
    We use temperature-dependent two-dimensional infrared spectroscopy (2D IR) of dilute HOD in H2O to investigate hydrogen bond rearrangements in water. The OD stretching frequency is sensitive to its environment, and loss ...
  • Kleinke, Andrew S.; Jamison, Timothy F.; Jamison, Timothy F. (American Chemical Society (ACS), 2013-01)
    The first continuous hydrogenation that requires neither H[subscript 2] nor metal catalysis generates diimide by a novel reagent combination. The simple flow reactor employed minimizes residence time by enabling safe ...
  • Sheng, Wenchao; Gasteiger, Hubert A.; Shao-Horn, Yang (The Electrochemical Society, 2010-09)
    The kinetics of the hydrogen oxidation reaction (HOR) and hydrogen evolution reaction (HER) on polycrystalline platinum [Pt(pc)] and high surface area carbon-supported platinum nanoparticles (Pt/C) were studied in 0.1 M ...
  • Sartoretto, Juliano; Kalwa, Hermann; Pluth, Michael D.; Lippard, Stephen J. (National Academy of Sciences, 2011-09)
    Nitric oxide (NO) and hydrogen peroxide (H(subscript 2)O(subscript 2)) are synthesized within cardiac myocytes and play key roles in modulating cardiovascular signaling. Cardiac myocytes contain both the endothelial (eNOS) ...
  • Yip, Sidney; Lau, Timothy T.; Van Vliet, Krystyn J.; Monasterio, Paul Rene (American Physical Society, 2009-08)
    Energetics and concentrations of hydrogen-containing point defect clusters (PDCs) in Fe-C alloys are calculated and cast into a PDC dominance diagram. Because of the strong binding effects of iron vacancies on the stability ...
  • Fenty, Ian; Heimbach, Patrick (American Meteorological Society, 2013-05)
    This study investigates the hydrographic processes involved in setting the maximum wintertime sea ice (SI) extent in the Labrador Sea and Baffin Bay. The analysis is based on an ocean and sea ice state estimate covering ...
  • Flores, Alejandro N.; Bras, Rafael L.; Entekhabi, Dara (American Geophysical Union, 2012-08)
    [1] Soil moisture information is critical for applications like landslide susceptibility analysis and military trafficability assessment. Existing technologies cannot observe soil moisture at spatial scales of hillslopes ...
  • Gianotti, Rebecca Louise; Bomblies, Arne; Eltahir, Elfatih A. B. (American Geophysical Union, 2009-08)
    This paper describes the first use of Hydrology-Entomology and Malaria Transmission Simulator (HYDREMATS), a physically based distributed hydrology model, to investigate environmental management methods for malaria vector ...
  • Larson, Alyssa Maxine; Hsu, Bryan Boen; Rautaray, Debabrata; Haldar, Jayanta; Chen, Jianzhu; Klibanov, Alexander M. (Wiley Blackwell (John Wiley & Sons), 2010-10)
    Coating surfaces with N-alkylated polyethylenimines (PEIs), namely branched N,N-hexyl,methyl-PEI via covalent attachment to glass or linear N,N-dodecyl,methyl-PEI by physical deposition (“painting”) onto polyethylene, ...
  • Davies, Bryan W.; Kohanski, Michael A.; Simmons, Lyle A.; Winkler, Jonathan A.; Collins, James J.; Walker, Graham C. (Elsevier B.V., 2009-12)
    Hydroxyurea (HU) specifically inhibits class I ribonucleotide reductase (RNR), depleting dNTP pools and leading to replication fork arrest. Although HU inhibition of RNR is well recognized, the mechanism by which it leads ...
  • Barak, Boaz; Brandao, Fernando G.S.L.; Harrow, Aram W.; Steurer, David; Zhou, Yuan; Kelner, Jonathan Adam (Association for Computing Machinery (ACM), 2012-05)
    We study the computational complexity of approximating the 2-to-q norm of linear operators (defined as |A|[subscript 2->q] = max[subscript v≠ 0]|Av|[subscript q]/|v|[subscript 2]) for q > 2, as well as connections between ...
  • Kedlaya, Kiran S.; Sutherland, Andrew Victor (American Mathematical Society, 2009-01)
    We analyze the distribution of unitarized L-polynomials Lp(T) (as p varies) obtained from a hyperelliptic curve of genus g [less than or equal to] 3 defined over Q. In the generic case, we find experimental agreement with ...
  • Unknown author (American Physical Society, 2013-02)
    We use hyperentangled photons to experimentally implement an entanglement-assisted quantum process tomography technique known as direct characterization of quantum dynamics. Specifically, hyperentanglement-assisted Bell-state ...
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