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Browsing MIT Open Access Articles by Title

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  • Sakar, Mahmut Selman; Neal, Devin M.; Boudou, Thomas; Borochin, Michael A.; Li, Yinqing; Weiss, Ron; Kamm, Roger Dale; Chen, Christopher S.; Asada, Harry (Royal Society of Chemistry, 2012-12)
    Densely arrayed skeletal myotubes are activated individually and as a group using precise optical stimulation with high spatiotemporal resolution. Skeletal muscle myoblasts are genetically encoded to express a light-activated ...
  • Delgado- Aparicio L., Alvaro; Sugiyama, Linda E.; Granetz, Robert S.; Gates, D. A.; Rice, John E.; Reinke, Matthew Logan; Bitter, M.; Fredrickson, E.; Gao, C.; Greenwald, Martin J.; Hill, K.; Hubbard, Amanda E.; Hughes, Jerry W.; Pablant, N.; Scott, S.; Wilson, R.; Marmar, Earl S.; Podpaly, Y.; Wolfe, S.; Wukitch, Stephen James (American Physical Society, 2013-02)
    New observations of the formation and dynamics of long-lived impurity-induced helical “snake” modes in tokamak plasmas have recently been carried out on Alcator C-Mod. The snakes form as an asymmetry in the impurity ion ...
  • Haselwandter, Christoph A.; Calamai, Martino; Kardar, Mehran; Triller, Antoine; Azeredo da Silveira, Rava (American Physical Society, 2011-06)
    Neurotransmitter receptor molecules, concentrated in postsynaptic domains along with scaffold and a number of other molecules, are key regulators of signal transmission across synapses. Combining experiment and theory, we ...
  • Bodenheimer, Peter; Lissauer, Jack J.; Seager, Sara; Rogers, Leslie Anne (IOP Publishing, 2011-08)
    Kepler has found hundreds of Neptune-size (2-6 R [subscript ⊕]) planet candidates within 0.5 AU of their stars. The nature of the vast majority of these planets is not known because their masses have not been measured. ...
  • Jain, Anubhav; Hautier, Geoffroy; Ong, Shyue Ping; Moore, Charles Jacob; Fischer, Christopher C.; Persson, Kristin A.; Ceder, Gerbrand (American Physical Society, 2011-07)
    Standard approximations to the density functional theory exchange-correlation functional have been extraordinary successful, but calculating formation enthalpies of reactions involving compounds with both localized and ...
  • Kolluri, Kedarnath; Demkowicz, Michael J. (American Physical Society, 2012-05)
    Atomistic simulations are used to study the formation, migration, and clustering of delocalized vacancies and interstitials at a model fcc-bcc semicoherent interface formed by adjacent layers of Cu and Nb. These defects ...
  • Egedal-Pedersen, Jan; Daughton, William; Drake, James; Katz, Noam Karasov; Le, A. (American Institute of Physics (AIP), 2009-05)
    Magnetic reconnection near the surface of the sun and in the Earth’s magnetotail is associated with the production of highly energetic electrons. Direct acceleration in the reconnection electric field has been proposed as ...
  • Han, Yong; Unal, Baris; Evans, J. W. (American Physical Society, 2012-05)
    The formation of a new type of ordered 2D Ni3Al overlayer by low-temperature codeposition on NiAl(110) is demonstrated by kinetic Monte Carlo simulation of a multisite atomistic lattice-gas model with a precise treatment ...
  • Watson, Donald A.; Su, Mingjuan; Teverovskiy, Georgiy; Zhang, Yong; Garcia-Fortanet, Jorge; Kinzel, Tom; Buchwald, Stephen Leffler (American Association for the Advancement of Science (AAAS), 2009-08)
    Despite increasing pharmaceutical importance, fluorinated aromatic organic molecules remain difficult to synthesize. Present methods require either harsh reaction conditions or highly specialized reagents, making the ...
  • Bhat, Pardeep P.; Appathurai, Santosh; Harris, Michael T.; Pasquali, Matteo; McKinley, Gareth H.; Basaran, Osman A. (Nature Publishing Group, 2010-06)
    Break-up of viscoelastic filaments is pervasive in both nature and technology. If a filament is formed by placing a drop of saliva between a thumb and forefinger and is stretched, the filament’s morphology close to break-up ...
  • Mayr, P.; Palmer, T. A.; Elmer, J. W.; Specht, E. D.; Allen, Samuel Miller (Springer-Boston, 2010-10)
    In-situ X-ray diffraction (XRD) measurements using high energy synchrotron radiation were performed to monitor in real time the formation of delta ferrite in a martensitic 9 wt pct chromium steel under simulated weld thermal ...
  • Perron, J. Taylor; Kirchner, James W.; Dietrich, William E. (Nature Publishing Group, 2009-07)
    One of the most striking examples of self-organization in landscapes is the emergence of evenly spaced ridges and valleys. Despite the prevalence of uniform valley spacing, no theory has been shown to predict this ...
  • Zhang, Renyi; Wang, Lin; Khalizov, Alexei F.; Zhao, Jun; Zheng, Jun; McGraw, Robert L.; Molina, Luisa Tan (National Academy of Sciences, 2009-10)
    The molecular processes leading to formation of nanoparticles of blue haze over forested areas are highly complex and not fully understood. We show that the interaction between biogenic organic acids and sulfuric acid ...
  • Alvarado, Matthew James; Prinn, Ronald G. (American Geophysical Union, 2009-05)
    We have developed a new model of the gas- and aerosol-phase chemistry of biomass burning smoke plumes called Aerosol Simulation Program (ASP). Here we use ASP combined with a Lagrangian parcel model to simulate the chemistry ...
  • Schumann, Dirk; Hartman, Hyman; Eberl, Dennis D.; Sears, S. Kelly; Hesse, Reinhard; Vali, Hojatollah (Mary Ann Liebert, 2012-07)
    The potential role of clay minerals in the abiotic origin of life has been the subject of ongoing debate for the past several decades. At issue are the clay minerals found in a class of meteorites known as carbonaceous ...
  • Kessler, Sean Herbert; Nah, Theodora; Carrasquillo, Anthony Joseph; Jayne, John T.; Worsnop, Douglas R.; Wilson, Kevin R.; Kroll, Jesse (American Chemical Society, 2011-05)
    The immense complexity inherent in the formation of secondary organic aerosol (SOA)—due primarily to the large number of oxidation steps and reaction pathways involved—has limited the detailed understanding of its underlying ...
  • Karydis, V. A.; Tsimpidi, A. P.; Lei, Wenfang; Molina, Luisa Tan; Pandis, S. N. (Copernicus Publications on behalf of the European Geosciences Union, 2011-12)
    One of the most challenging tasks for chemical transport models (CTMs) is the prediction of the formation and partitioning of the major semi-volatile inorganic aerosol components (nitrate, chloride, ammonium) between the ...
  • Heo, Myoung-Sun; Wang, Tout T.; Christensen, Caleb A.; Rvachov, Timur Michael; Cotta, Dylan Alain; Choi, Jae-Hoon; Lee, Ye-Ryoung; Ketterle, Wolfgang (American Physical Society, 2012-08)
    We describe the formation of fermionic NaLi Feshbach molecules from an ultracold mixture of bosonic [superscript 23]Na and fermionic [superscript 6]Li. Precise magnetic field sweeps across a narrow Feshbach resonance at ...
  • Hin, Celine Nathalie; Neaton, J. B.; Wirth, B. D. (American Physical Society, 2009-10)
    Kinetic Monte Carlo simulations, based on parameters obtained with density-functional theory in the local-density approximation and experimental data, are used to study bulk precipitation of Y[subscript 2]O[subscript 3] ...
  • Jan, Calvin H.; Friedman, Robin C.; Ruby, J. Graham; Bartel, David (Nature Publishing Group, 2010-11)
    Post-transcriptional gene regulation frequently occurs through elements in mRNA 3′ untranslated regions (UTRs)1, 2. Although crucial roles for 3′UTR-mediated gene regulation have been found in Caenorhabditis elegans3, 4, ...
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