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Browsing MIT Open Access Articles by Title

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  • Kashinath, A.; Wang, P.; Majewski, J.; Baldwin, J. Kevin; Wang, Y. Q.; Demkowicz, Michael J. (American Institute of Physics (AIP), 2013-05)
    We use neutron reflectometry to find the critical helium (He) fluence required to form He bubbles at interfaces between fcc and bcc metals. Our findings are in agreement with previous experimental as well as modeling results ...
  • Brogi, M.; Snellen, I. A. G.; de Kok, R. J.; Albrecht, Simon H.; Birkby, J. L.; de Mooij, E. J. W. (Institute of Physics/American Astronomical Society, 2013-04)
    In this paper, we present ground-based high-resolution spectroscopy of 51 Pegasi using CRIRES at the Very Large Telescope. The system was observed for 3 × 5 hr at 2.3 μm at a spectral resolution of R = 100,000, targeting ...
  • Fitzmaurice, Maryann; Gardecki, Joseph A.; Angheloiu, George O.; Awasthi, Samir; Motz, Jason T.; Kramer, John R.; Feld, Michael S.; Scepanovic, Obrad R.; Dasari, Ramachandra Rao (SPIE, 2006-03)
    Vulnerable plaques, which are responsible for most acute ischemic events, are presently invisible to x-ray angiography. Their primary morphological features include a thin or ulcerated fibrous cap, a large necrotic core, ...
  • Roederer, Ian U.; Jacobson, Heather; Thanathibodee, Thanawuth; Toller, Elizabeth; Frebel, Anna L. (IOP Publishing, 2014-11)
    We report the detection of several absorption lines of neutral phosphorus (P, Z = 15) in archival near-ultraviolet spectra obtained with the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope. We ...
  • O’Donovan, Francis T.; Charbonneau, David; Harrington, Joseph; Madhusudhan, Nikku; Seager, Sara (IOP Publishing, 2010-02)
    We present here the results of our observations of TrES-2 using the Infrared Array Camera on Spitzer. We monitored this transiting system during two secondary eclipses, when the planetary emission is blocked by the star. ...
  • Manke, Kara Jean; Maznev, Alexei; Klieber, Christoph; Temnov, Vasily V.; Makarov, D.; Baek, S.-H.; Eom, Chang-Beom; Nelson, Keith Adam (American Institute of Physics, 2012-07)
    Short acoustic pulses are generated in SrRuO[subscript 3] transducers and detected at the surface of gold films by transient reflectivity. Contrary to expectations, acoustic pulses that are shorter than the optical skin ...
  • Klieber, Christoph; Shalagatskyi, V.; Temnov, V. V.; Makarov, D.; Baek, S.-H.; Eom, Chang-Beom; Manke, Kara Jean; Maznev, Alexei; Nelson, Keith Adam (American Institute of Physics (AIP), 2013-10)
    The detection of ultrashort laser-generated acoustic pulses at a metal surface and the reconstruction of the acoustic strain profile are investigated. A 2 ps-long acoustic pulse generated in an SrRuO[subscript 3] layer ...
  • Jin, Hong; Heller, Daniel A.; Kalbacova, Marie; Kim, Jong-Ho; Zhang, Jingqing; Boghossian, Ardemis A.; Maheshri, Narendra; Strano, Michael S. (Nature Publishing Group, 2010-03)
    An emerging concept in cell signalling is the natural role of reactive oxygen species such as hydrogen peroxide (H₂O₂) as beneficial messengers in redox signalling pathways. The nature of H₂O₂ signalling is confounded, ...
  • Mazarico, Erwan Matias; Barker, Michael K.; Neumann, Gregory A.; Zuber, Maria; Smith, David Edmund (American Geophysical Union (AGU), 2014-04)
    The Lunar Orbiter Laser Altimeter instrument onboard the Lunar Reconnaissance Orbiter spacecraft collected more than 5 billion measurements in the nominal 50 km orbit over ~10,000 orbits. The data precision, geodetic ...
  • Demory, Brice-Olivier; Gillon, M.; Seager, Sara; Deming, Drake; Jackson, Brian (Institute of Physics Publishing, 2012-05)
    We report on the detection of infrared light from the super-Earth 55 Cnc e, based on four occultations obtained with Warm Spitzer at 4.5 μm. Our data analysis consists of a two-part process. In a first step, we perform ...
  • Roederer, Ian U.; Lawler, James E.; Cowan, John J.; Beers, Timothy C.; Frebel, Anna L.; Ivans, Inese I.; Schatz, Hendrik; Sobeck, Jennifer S.; Sneden, Christopher (IOP Publishing, 2012-02)
    Using near-ultraviolet spectra obtained with the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope, we detect neutral tellurium in three metal-poor stars enriched by products of r-process nucleosynthesis, ...
  • Ammari, Habib; Garnier, Josselin; Jugnon, Vincent (American Institute of Mathematical Sciences (AIMS), 2014-10)
    The detection, localization, and characterization of a collection of targets embedded in a medium is an important problem in multistatic wave imaging. The responses between each pair of source and receiver are collected ...
  • Dutta, Sanjib; Gulla, Stefano; Chen, Tsan Chou Scott; Fire, Emiko; Grant, Robert A.; Keating, Amy E. (Elsevier, 2010-04)
    Interactions among Bcl-2 family proteins are important for regulating apoptosis. Prosurvival members of the family interact with proapoptotic BH3 (Bcl-2-homology-3)-only members, inhibiting execution of cell death through ...
  • Anderson, James B.; Funt, Jason; Thompson, Dawn Anne; Prabhu, Snehit; Socha, Amanda; Sirjusingh, Caroline; Dettman, Jeremy R.; Parreiras, Lucas; Guttman, David S.; Regev, Aviv; Kohn, Linda M. (Elsevier, 2010-07)
    Divergent adaptation can be associated with reproductive isolation in speciation [1]. We recently demonstrated the link between divergent adaptation and the onset of reproductive isolation in experimental populations of ...
  • Caradonna, Kacey; Burleigh, Barbara A.; Winter, Sebastian Virreira; Niedelman, Wendy Leah; Jensen, Kirk D. C.; Rosowski, Emily Elizabeth; Julien, Lindsay; Spooner, Eric; Saeij, Jeroen; Ploegh, Hidde; Frickel, Eva-Maria (Public Library of Science, 2011-09)
    IFN-γ is a major cytokine that mediates resistance against the intracellular parasite Toxoplasma gondii. The p65 guanylate-binding proteins (GBPs) are strongly induced by IFN-γ. We studied the behavior of murine GBP1 (mGBP1) ...
  • Viswanathan, Karthik; Koh, Xiaoying; Chandrasekaran, Aarthi; Pappas, Claudia; Raman, Rahul; Srinivasan, Aravind; Shriver, Zachary; Tumpey, Terrence M.; Sasisekharan, Ram (Public Library of Science, 2010-10)
    The H2N2 subtype of influenza A virus was responsible for the Asian pandemic of 1957-58. However, unlike other subtypes that have caused pandemics such as H1N1 and H3N2, which continue to circulate among humans, H2N2 stopped ...
  • Ashenberg, Orr; Rozen-Gagnon, Kathryn; Laub, Michael T.; Keating, Amy E. (Elsevier, 2011-08)
    Two-component signal transduction pathways consisting of a histidine kinase and a response regulator are used by prokaryotes to respond to diverse environmental and intracellular stimuli. Most species encode numerous ...
  • Kaur, Jasleen; Trancik, Jessika E.; Bettencourt, Luis M. A. (Public Library of Science, 2013-10)
    Understanding the factors driving innovation in energy technologies is of critical importance to mitigating climate change and addressing other energy-related global challenges. Low levels of innovation, measured in terms ...
  • Tucker, Alex C.; Escalante-Semerena, Jorge C. (Public Library of Science8, 2014-06)
    Reversible lysine acetylation (RLA) is a widespread regulatory mechanism that modulates the function of proteins involved in diverse cellular processes. A strong case has been made for RLA control exerted by homologues of ...
  • Yao, Xiaosai; Labelle, Myriam; Lamb, Carla R.; Dugan, John M.; Williamson, Christina A.; Spencer, Donna R.; Christ, Kimberly R.; Keating, Ryan O.; Lee, W. David; Paradis, Glenn A.; Begum, Shahinoor; Hynes, Richard O.; Wittrup, Karl Dane (Wiley Blackwell, 2013-07)
    Many targets have been identified in solid tumors for antibody therapy but it is less clear what surface antigens may be most commonly expressed on disseminated tumor cells. Using malignant pleural effusions as a source ...
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