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Browsing MIT Open Access Articles by Title

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  • Are you friendly or just polite? - analysis of smiles in spontaneous face-to-face interactions 
    Hoque, Mohammed Ehasanul; Morency, Louis-Philippe; Picard, Rosalind W. (Springer-Verlag, 2011-10)
    This work is part of a research effort to understand and characterize the morphological and dynamic features of polite and amused smiles. We analyzed a dataset consisting of young adults (n=61), interested in learning about ...
  • Arginine and the Hofmeister Series: The Role of Ion–Ion Interactions in Protein Aggregation Suppression 
    Schneider, Curtiss P.; Shukla, Diwakar; Trout, Bernhardt L. (American Chemical Society (ACS), 2011-06)
    L-Arginine hydrochloride is a very important aggregation suppressor for which there has been much attention given regarding elucidating its mechanism of action. Little consideration, however, has been given toward other ...
  • Aromatic and basic residues within the EVH1 domain of VASP specify its interaction with proline-rich ligands 
    Carl, Uwe D.; Pollmann, Marc; Orr, Elisha; Chakraborty, Trinad; Wehland, Juergen; Gertler, Frank (Elsevier, 1999-07)
    Short contiguous peptides harboring proline-rich motifs are frequently involved in protein–protein interactions, such as associations with Src homology 3 (SH3) and WW domains. Although patches of aromatic residues present ...
  • Arp2/3 Is a Negative Regulator of Growth Cone Translocation 
    Rahim, Nazimah Abdul; VanderWaal, Kristyn E; Lanier, Lorene M; Strasser, Geraldine A.; Gertler, Frank (Elsevier, 2004-07)
    Arp2/3 is an actin binding complex that is enriched in the peripheral lamellipodia of fibroblasts, where it forms a network of short, branched actin filaments, generating the protrusive force that extends lamellipodia and ...
  • Arrays of 128x32 InP-based Geiger-mode avalanche photodiodes 
    Brattain, Michael A.; Oakley, Douglas C.; Chapman, David C.; Mahan, Joseph M.; Smith, Gary M.; Mahoney, Leonard J.; Younger, Richard D.; Funk, Joseph E.; Donnelly, Joseph P.; Shelton, John D.; Liau, Zong-Long; McIntosh, K. Alexander; Verghese, Simon (The International Society for Optical Engineering, 2009-04)
    Arrays of InP-based avalanche photodiodes operating at 1.06-µm wavelength in the Geiger mode have been fabricated in the 128x32 format. The arrays have been hermetically packaged with precision-aligned lenslet arrays, ...
  • Arrested Chain Growth During Magnetic Directed Particle Assembly in Yield Stress Matrix Fluids 
    Rich, Jason P.; McKinley, Gareth H.; Doyle, Patrick S. (American Chemical Society, 2012-02)
    The process of assembling particles into organized functional structures is influenced by the rheological properties of the matrix fluid in which the assembly takes place. Therefore, tuning these properties represents a ...
  • Article The Structure of the Cataract-Causing P23T Mutant of Human 
    Wang, Yongting; King, Jonathan Alan; Jung, Jinwon; Byeon, In-Ja L.; Gronenborn, Angela M. (American Chemical Society (ACS), 2009-02)
    Crystallins are major proteins of the eye lens and essential for lens transparency. Mutations and aging of crystallins cause cataracts, the predominant cause of blindness in the world. In human γD-crystallin, the P23T ...
  • An Articulating Tool for Endoscopic Screw Delivery 
    Petrzelka, Joseph Edward; Menon, Manas C.; Stefanov-Wagner, Clara J.; Agarwal, Suresh K.; Chatzigeorgiou, Dimitrios; Lustrino, Michelle E.; Slocum, Alexander H. (American Society of Mechanical Engineers, 2011-02)
    This paper describes the development of an articulating endoscopic screw driver that can be used to place screws in osteosynthetic plates during thoracoscopic surgery. The device is small enough to be used with a 12 mm ...
  • An Articulatory Speech-Prosthesis System 
    Wee, Keng Hoong; Turicchia, Lorenzo; Sarpeshkar, Rahul (Institute of Electrical and Electronics Engineers (IEEE), 2010-07)
    We investigate speech-coding strategies for brain-machine-interface (BMI) based speech prostheses. We present an articulatory speech-synthesis system using an experimental integrated-circuit vocal tract that models the ...
  • Artificial arterial blood pressure artifact models and an evaluation of a robust blood pressure and heart rate estimator 
    Li, Qiao; Clifford, Gari D.; Mark, Roger Greenwood (BioMed Central, 2009-07)
    Background: Within the intensive care unit (ICU), arterial blood pressure (ABP) is typically recorded at different (and sometimes uneven) sampling frequencies, and from different sensors, and is often corrupted by different ...
  • An artificial gastrocnemius for a transtibial prosthesis 
    Swart, E.; Endo, Ken; Herr, Hugh M. (Institute of Electrical and Electronics Engineers, 2009-11)
    A transtibial amputee does not have a functional gastrocnemius muscle, which affects the knee as well as the ankle joint. In this investigation, we developed a transtibial prosthesis comprising an artificial gastrocnemius ...
  • Artificial Grammar Learning of Melody Is Constrained by Melodic Inconsistency: Narmour's Principles Affect Melodic Learning 
    Rohrmeier, Martin Alois; Cross, Ian (Public Library of Science, 2013-07)
    Considerable evidence suggests that people acquire artificial grammars incidentally and implicitly, an indispensable capacity for the acquisition of music or language. However, less research has been devoted to exploring ...
  • Aspects of the political economy of development and synthetic biology 
    Wellhausen, Rachel; Mukunda, Gautam (Springer-Verlag, 2009-10)
    What implications might synthetic biology’s potential as a wholly new method of production have for the world economy, particularly developing countries? Theories of political economy predict that synthetic biology can ...
  • Assembly of a large modular optical telescope (ALMOST) 
    Mohan, Swati; Miller, David W.; Budinoff, Jason (The International Society for Optical Engineering, 2008-07)
    Future space telescope programs need to assess in-space robotic assembly of large apertures at GEO and ESL2 to support ever increasing aperture sizes. Since such large apertures will not fit within a fairing, they must ...
  • Assembly of High-Areal-Density Deuterium-Tritium Fuel from Indirectly Driven Cryogenic Implosions 
    Casey, Daniel Thomas; Gatu Johnson, Maria; Frenje, Johan A.; Petrasso, Richard D.; Zylstra, Alex Bennett; Rinderknecht, Hans George (American Physical Society, 2012-05)
    The National Ignition Facility has been used to compress deuterium-tritium to an average areal density of ~1.0±0.1  g cm[superscript -2], which is 67% of the ignition requirement. These conditions were obtained using 192 ...
  • Assembly of Sub-10-nm Block Copolymer Patterns with Mixed Morphology and Period Using Electron Irradiation and Solvent Annealing 
    Son, Jeong Gon; Chang, Jae-Byum; Berggren, Karl K.; Ross, Caroline A. (American Chemical Society (ACS), 2011-10)
    Block copolymer self-assembly generates patterns with periodicity in the ∼10–100 nm range and is increasingly recognized as a route to lithographic patterning beyond the resolution of photolithography. Block copolymers ...
  • Assembly of the Candida albicans genome into sixteen supercontigs aligned on the eight chromosomes 
    van het Hoog, Marco; Rast, Timothy J; Martchenko, Mikhail; Grindle, Suzanne; Dignard, Daniel; Hogues, Herve; Cuomo, Christine; Berriman, Matthew; Scherer, Stewart; Whiteway, Malcolm; Chibana, Hiroji; Nantel, Andre; Magee, P. T.; Magee, B. B. (BioMed Central Ltd, 2007-04)
    Background: The 10.9× genomic sequence of Candida albicans, the most important human fungal pathogen, was published in 2004. Assembly 19 consisted of 412 supercontigs, of which 266 were a haploid set, since this fungus is ...
  • Assessing continuum postulates in simulations of granular flow 
    Rycroft, Chris H.; Kamrin, Kenneth N.; Bazant, Martin Z. (Elsevier, 2009-05)
    Continuum mechanics relies on the fundamental notion of a mesoscopic volume “element” in which properties averaged over discrete particles obey deterministic relationships. Recent work on granular materials suggests that ...
  • Assessing Neuronal Interactions of Cell Assemblies during General Anesthesia 
    Chen, Zhe; Vijayan, Sujith; Ching, ShiNung; Hale, Gregory John; Flores Plaza, Francisco Javier; Wilson, Matthew A.; Brown, Emery N. (Institute of Electrical and Electronics Engineers, 2011-08)
    Understanding the way in which groups of cortical neurons change their individual and mutual firing activity during the induction of general anesthesia may improve the safe usage of many anesthetic agents. Assessing neuronal ...
  • Assessing Operator Strategies for Adjusting Replan Alerts in Controlling Multiple Unmanned Vehicles 
    Maere, Pierre C. P.; Clare, Andrew S.; Cummings, Mary L. (International Federation of Automatic Control, 2010-08)
    This study examined the impact of allowing an operator to adjust the rate of prompts to view automation-generated plans on operator performance and workload when supervising a decentralized network of heterogeneous unmanned ...
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