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Browsing MIT Open Access Articles by Title

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  • Kang, Seong A.; Sabatini, David M.; Liu, Qingsong; Wang, Jinhua; Thoreen, Carson C.; Hur, Wooyoung; Ahmed, Tausif; Gray, Nathanael S. (American Chemical Society (ACS), 2011-02)
    The mTOR mediated PI3K/AKT/mTOR signal transduction pathway has been demonstrated to play a key role in a broad spectrum of cancers. Starting from the mTOR selective inhibitor 1 (Torin1), a focused medicinal chemistry ...
  • Lin, Jinrong; Chakrabarty, Deepto; Galloway, Duncan K.; Hartman, Jacob M. (IOP Publishing, 2010-02)
    We report the detection of pulsations at 552 Hz in the rising phase of two type-I (thermonuclear) X-ray bursts observed from the accreting neutron star EXO 0748–676 in 2007 January and December, by the Rossi X-ray Timing ...
  • Wang, Zhongxiang; Chakrabarty, Deepto (IOP Publishing, 2010-03)
    The X-ray source 4U 1820-30 in the globular cluster NGC 6624 is known as the most compact binary among the identified X-ray binaries (XRBs). Having an orbital period of 685.0 s, the source consists of a neutron star (NS) ...
  • Luhman, K. L.; Bochanski, John J.; Burgasser, Adam J. (IOP Publishing, 2011-02)
    We have used multi-epoch images from the Infrared Array Camera on board the Spitzer Space Telescope to search for substellar companions to stars in the solar neighborhood based on common proper motions. Through this work, ...
  • Cenko, S. Bradley; Kulkarni, S. R.; Horesh, Assaf; Corsi, A.; Fox, Derek B.; Carpenter, John; Frail, Dale A.; Nugent, Peter E.; Perley, Daniel A.; Gruber, D.; Gal-Yam, Avishay; Groot, P.; Hallinan, G.; Ofek, Eran O.; Rau, Arne; MacLeod, Chelsea L.; Miller, Adam A.; Bloom, Joshua S.; Filippenko, Alexei V.; Kasliwal, Mansi M.; Law, Nicholas M.; Morgan, Adam N.; Polishook, David; Poznanski, Dovi; Quimby, Robert M.; Sesar, Branimir; Shen, Ken J.; Silverman, Jeffrey M.; Sternberg, Assaf (Institute of Physics/American Astronomical Society, 2013-06)
    We report the discovery by the Palomar Transient Factory (PTF) of the transient source PTF11agg, which is distinguished by three primary characteristics: (1) bright (R[subscript peak] = 18.3 mag), rapidly fading (ΔR = 4 ...
  • Lin, Dacheng; Irwin, Jimmy A.; Webb, Natalie A.; Barret, Didier; Remillard, Ronald Alan (Institute of Physics/American Astronomical Society, 2013-12)
    We report the discovery of a new ultraluminous X-ray source (ULX) 2XMM J125048.6+410743 within the spiral galaxy M94. The source has been observed by ROSAT, Chandra, and XMM-Newton on several occasions, exhibiting as a ...
  • Altamirano, D.; Cavecchi, Y.; Patruno, A.; Watts, A.; Linares, Manuel Alegret; Degenaar, N.; Kalamkar, M.; van der Klis, M.; Rea, N.; Casella, P.; Armas Padilla, M.; Kaur, R.; Yang, Y. J.; Soleri, P.; Wijnands, R. (Institute of Physics/American Astronomical Society, 2011-01)
    We report on the discovery and the timing analysis of the first eclipsing accretion-powered millisecond X-ray pulsar (AMXP): SWIFT J1749.4-2807. The neutron star rotates at a frequency of ~517.9 Hz and is in a binary system ...
  • Burgasser, Adam J.; West, Andrew A.; Bochanski, John J.; Schmidt, Sarah J.; Hawley, Suzanne L. (American Astronomical Society, 2010-02)
    We report the discovery of an unusually blue L5 dwarf within 10 pc of the Sun from a search of Sloan Digital Sky Survey (SDSS) spectra. A spectrophotometric distance estimate of 8.0±1.6 pc places SDSS J141624.08+134826.7 among ...
  • Heinke, C. O.; Altamirano, D.; Cohn, H. N.; Lugger, P. M.; Budac, S. A.; Servillat, M.; Linares, Manuel Alegret; Strohmayer, T. E.; Markwardt, Craig B.; Wijnands, R.; Swank, J. H.; Knigge, C.; Bailyn, Charles D.; Grindlay, Jonathan E. (Institute of Physics/American Astronomical Society, 2010-05)
    We have discovered a new transient low-mass X-ray binary, NGC 6440 X-2, with Chandra/ACIS, RXTE/PCA, and Swift/XRT observations of the globular cluster NGC 6440. The discovery outburst (2009 July 28-31) peaked at LX ~ 1.5 ...
  • Dockendorff, Chris; Faloon, Patrick W.; Germain, Andrew; Youngsaye, Willmen; Nag, Partha P.; Bennion, Melissa; Dandapani, Sivaraman; Perez, José R.; Munoz, Benito; Palmer, Michelle A.; Schreiber, Stuart L.; Yu, Miao; Penman, Marsha L; Nieland, Thomas J; Krieger, Monty (Elsevier, 2015-04)
    A new series of potent inhibitors of cellular lipid uptake from HDL particles mediated by scavenger receptor, class B, type I (SR-BI) was identified. The series was identified via a high-throughput screen of the National ...
  • Lewis, Sophia; van Hoff, John Peter; Karun, Vivek; Hashimoto, Tatsunori Benjamin; Sherwood, Richard I.; O'Donnell, Charles William; Barkal, Amira A.; Jaakkola, Tommi S.; Gifford, David K. (Nature Publishing Group, 2014-01)
    We describe protein interaction quantitation (PIQ), a computational method for modeling the magnitude and shape of genome-wide DNase I hypersensitivity profiles to identify transcription factor (TF) binding sites. Through ...
  • Banados, E.; Venemans, B. P.; Morganson, E.; Decarli, R.; Walter, F.; Chambers, K. C.; Rix, H.-W.; Farina, E. P.; Fan, X.; Jiang, L.; McGreer, I.; De Rosa, G.; Weiss, A.; Price, P. A.; Morgan, Jeffrey S.; Burgett, William S.; Greiner, J.; Kaiser, Nick; Kudritzki, R.-P.; Magnier, Eugene A.; Metcalfe, N.; Stubbs, C. W.; Sweeney, W.; Tonry, J. L.; Wainscoat, R. J.; Waters, C.; Simcoe, Robert A. (IOP Publishing, 2014-06)
    High-redshift quasars are currently the only probes of the growth of supermassive black holes and potential tracers of structure evolution at early cosmic time. Here we present our candidate selection criteria from the ...
  • Seager, Sara; Welsh, William F.; Orosz, Jerome A.; Fortney, Jonathan J.; Jenkins, Jon M.; Rowe, Jason F.; Koch, David; Borucki, William J. (IOP Publishing, 2010-03)
    We present an analysis of the early Kepler observations of the previously discovered transiting planet HAT-P-7b. The light curve shows the transit of the star, the occultation of the planet, and the orbit phase-dependent ...
  • Wang, Xinchen; Kellis, Manolis; Boyer, Laurie Ann (Public Library of Science, 2016-05)
    Failure of the human heart to maintain sufficient output of blood for the demands of the body, heart failure, is a common condition with high mortality even with modern therapeutic alternatives. To identify molecular ...
  • Ma, Jiao; Ward, Carl C.; Jungreis, Irwin; Slavoff, Sarah A.; Schwaid, Adam G.; Neveu, John; Budnik, Bogdan A.; Kellis, Manolis; Saghatelian, Alan (American Chemical Society (ACS), 2014-03)
    The existence of nonannotated protein-coding human short open reading frames (sORFs) has been revealed through the direct detection of their sORF-encoded polypeptide (SEP) products. The discovery of novel SEPs increases ...
  • Hook, Andrew L.; Chang, Chien-Yi; Yang, Jing; Atkinson, Steve; Langer, Robert; Davies, Martyn C.; Williams, Paul; Alexander, Morgan R.; Anderson, Daniel Griffith (Wiley Blackwell, 2013-02)
    A new class of bacteria-attachment-resistant materials is discovered using a multi-generation polymer microarray methodology that reduces bacterial attachment by up to 99.3% compared with a leading commercially available ...
  • Lin, Dacheng; Carrasco, Eleazar R.; Webb, Natalie A.; Irwin, Jimmy A.; Dupke, Renato; Romanowsky, Aaron J.; Ramirez-Ruiz, Enrico; Strader, Jay; Homan, Jeroen; Barret, Didier; Godet, Olivier (IOP Publishing, 2016-04)
    We report the discovery of an off-nuclear ultrasoft hyper-luminous X-ray source candidate 3XMM J141711.1+522541 in the inactive S0 galaxy SDSS J141711.07+522540.8 (z = 0.41827, d[subscript L] = 2.3 Gpc) in the Extended ...
  • Sjouwerman, Loránt O.; Murray, Claire E.; Pihlström, Ylva M.; Fish, Vincent L.; Araya, Esteban D. (IOP Publishing, 2010-11)
    We present the first detection of a 6.7 GHz Class II methanol (CH[subscript 3]OH) maser in the Andromeda galaxy (M31). The CH[subscript 3]OH maser was found in a VLA survey during the fall of 2009. We have confirmed the ...
  • van den Berg, Maureen; Homan, Jeroen; Fridriksson, Joel K.; Linares, Manuel Alegret (Institute of Physics/American Astronomical Society, 2014-09)
    Using the High Resolution Camera on board the Chandra X-ray Observatory, we have measured an accurate position for the bright persistent neutron star X-ray binary and atoll source GX 3+1. At a location that is consistent ...
  • Bahramian, Arash; Heinke, C. O.; Sivakoff, Gregory R.; Altamirano, Diego; Wijnands, Rudy; Homan, Jeroen; Linares, Manuel Alegret; Pooley, David; Degenaar, N.; Gladstone, Jeanette C. (IOP Publishing, 2013-12)
    We report and study the outburst of a new transient X-ray binary (XRB) in Terzan 5, the third detected in this globular cluster, Swift J174805.3-244637 or Terzan 5 X-3. We find clear spectral hardening in Swift/XRT data ...
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