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Browsing MIT Open Access Articles by Title

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  • Jones, Kevin C.; Ganim, Ziad; Tokmakoff, Andrei (American Chemical Society, 2009-11)
    We develop heterodyned dispersed vibrational echo spectroscopy (HDVE) and demonstrate the new capabilities in biophysical applications. HDVE is a robust ultrafast technique that provides a characterization of the real and ...
  • Ren, Y.; Gao, J. R.; Hovenier, J. N.; Higgins, R.; Zhang, W.; Bell, A.; Klein, B.; Klapwijk, T. M.; Shi, S. C.; Kao, Tsung-Yu; Kumar, S.; Hu, Qing; Reno, J. L. (SPIE, 2010-07)
    High-resolution heterodyne spectrometers operating at above 2 THz are crucial for detecting, e.g., the HD line at 2.7 THz and oxygen OI line at 4.7 THz in astronomy. The potential receiver technology is a combination of a ...
  • Yao, Huajian; van der Hilst, Robert D.; Montagner, Jean-Paul (American Geophysical Union, 2010-12)
    Understanding the geotectonic evolution of the southeastern Tibetan plateau requires knowledge about the structure of the lithosphere. Using data from 77 broadband stations in SW China, we invert Rayleigh wave phase velocity ...
  • Chiappori, Pierre-Andre; Samphantharak, Krislert; Schulhofer-Wohl, Sam; Townsend, Robert (The Econometric Society, 2014-03)
    We show how to use panel data on household consumption to directly estimate households' risk preferences. Specifically, we measure heterogeneity in risk aversion among households in Thai villages using a full risk-sharing ...
  • Ryan, Stephen; Tucker, Catherine Elizabeth (Springer-Verlag, 2011-08)
    We estimate the demand for a videocalling technology in the presence of both network effects and heterogeneity. Using a unique dataset from a large multinational firm, we pose and estimate a fully dynamic model of technology ...
  • Abaluck, Jason; Gruber, Jonathan (American Economic Association, 2011-05)
    This paper investigates the degree to which choice inconsistencies documented in the context of Medicare Part D plan choice vary across consumers and geographic regions. Our main finding is that there is surprisingly little ...
  • Weis, Victoria G.; Sousa, Josane F.; LaFleur, Bonnie J.; Nam, Ki Taek; Weis, Jared A.; Finke, Paul E.; Ameen, Nadia A.; Fox, James G.; Goldenrign, James R. (BMJ Publishing Group, 2012-07)
    Objectives: Spasmolytic polypeptide-expressing metaplasia (SPEM) develops as a preneoplastic lesion in the stomachs of mice and humans after parietal cell loss. To identify the commonalities and differences between phenotypic ...
  • Hu, Jie; Locasale, Jason W.; Bielas, Jason H.; O'Sullivan, Jacintha; Sheahan, Kieran; Cantley, Lewis C.; Vander Heiden, Matthew G.; Vitkup, Dennis (Nature Publishing Group, 2013-04)
    Reprogramming of cellular metabolism is an emerging hallmark of neoplastic transformation. However, it is not known how the expression of metabolic genes in tumors differs from that in normal tissues, or whether different ...
  • Chen, Hui; Joslin, Scott Stephen Walter; Tran, Ngoc-Khanh (American Economic Association, 2010-01)
    We illustrate the effects of heterogeneous beliefs about disasters on the equity premium and individual agents’ trading activities. When investors disagree about the chances or severity of disasters, those optimistic ...
  • Wilson, Kevin R.; Kroll, Jesse; Lim, Christopher Yung-Ta; Kessler, Sean (American Chemical Society (ACS), 2015-09)
    Atmospheric oxidation reactions are known to affect the chemical composition of organic aerosol (OA) particles over timescales of several days, but the details of such oxidative aging reactions are poorly understood. In ...
  • Rodrigues, J. L.; Araujo, R. G.; Prather, Kristala L. Jones; Kluskens, L. D.; Rodrigues, L. R. (Elsevier, 2015-01)
    Caffeic acid is a plant secondary metabolite and its biological synthesis has attracted increased attention due to its beneficial effects on human health. In this study, Escherichia coli was engineered for the production ...
  • Jungreis, Irwin; Kellis, Manolis; Chan, Clara Sophia (Public Library of Science, 2013-03)
    Recent analysis of genomic signatures in mammals, flies, and worms indicates that functional translational stop codon readthrough is considerably more abundant in metazoa than previously recognized, but this analysis ...
  • Paepe, Gael De; Lewandowski, Jozef R.; Loquet, Antoine; Eddy, Matthew Thomas; Megy, Simon; Bockmann, Anja; Griffin, Robert Guy (American Institute of Physics (AIP), 2011-03)
    We describe a theoretical framework for understanding the heteronuclear version of the third spin assisted recoupling polarization transfer mechanism and demonstrate its potential for detecting long-distance intramolecular ...
  • Palmer, Christopher; Hausman, Jerry A. (Elsevier, 2012-02)
    Since the advent of heteroskedasticity-robust standard errors, several papers have proposed adjustments to the original White formulation. We replicate earlier findings that each of these adjusted estimators performs quite ...
  • Hohm, Olaf; Sen, Ashoke; Zwiebach, Barton (Springer Berlin Heidelberg, 2015-02)
    The dimensional reduction of heterotic supergravity with gauge fields truncated to the Cartan subalgebra exhibits a continuous O(d, d + 16; ℝ) global symmetry, related to the O(d, d + 16; ℤ) T-duality of heterotic strings ...
  • Witwicki, Stefan J.; Oliehoek, Frans A.; Kaelbling, Leslie P. (Association for Computing Machinery (ACM), 2012-06)
    Multiagent planning under uncertainty has seen important progress in recent years. Two techniques, in particular, have substantially advanced efficiency and scalability of planning. Multiagent heuristic search gains traction ...
  • Miller, Benjamin R.; Rigby, Matthew; Kuijpers, L. J. M.; Krummel, P. B.; Steele, L. P.; Leist, Michael; Fraser, P. J.; McCulloch, A.; Harth, C. M.; Salameh, P.; Muhle, Jens; Weiss, R. F.; Prinn, Ronald G.; Wang, R. H. J.; O'Doherty, Simon; Greally, B. R.; Simmonds, P. G. (European Geosciences Union, 2010-08)
    HFC-23 (also known as CHF3 [CHF subscript 3], fluoroform or trifluoromethane) is a potent greenhouse gas (GHG), with a global warming potential (GWP) of 14 800 for a 100-year time horizon. It is an unavoidable by-product ...
  • Garcia, Alexis; Zeng, Yu; Muthupalani, Sureshkumar; Ge, Zhongming; Potter, Amanda; Mobley, Melissa W.; Boussahmain, Chakib; Feng, Yan; Wishnok, John S.; Fox, James G. (American Association for Cancer Research, 2011-02)
    Chronic microbial infection influences cancer progression, but the mechanisms that link them remain unclear. Constitutive androstane receptor (CAR) is a nuclear receptor that regulates enzymes involved in endobiotic and ...
  • van Berkum, Nynke L.; Lieberman-Aiden, Erez; Williams, Louise; Gnirke, Andreas; Mirny, Leonid A.; Dekker, Job; Lander, Eric S.; Imakaev, Maksim Viktorovich (MyJoVE Corporation, 2010-05)
    The three-dimensional folding of chromosomes compartmentalizes the genome and and can bring distant functional elements, such as promoters and enhancers, into close spatial proximity. Deciphering the relationship between ...
  • Repeta, Daniel J.; Rothman, Daniel H.; Xu, Li; Santinelli, Chiara; Follett, Christopher (National Academy of Sciences (U.S.), 2014-11)
    Marine dissolved organic carbon (DOC) is a large (660 Pg C) reactive carbon reservoir that mediates the oceanic microbial food web and interacts with climate on both short and long timescales. Carbon isotopic content ...
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