Now showing items 21105-21124 of 32359

    • Orthogonal Dietary Niche Enables Reversible Engraftment of a Gut Bacterial Commensal 

      Kearney, Sean M; Gibbons, Sean Michael; Erdman, Susan E; Alm, Eric J (Elsevier, 2018-08)
      Interest in manipulating the gut microbiota to treat disease has led to a need for understanding how organisms can establish themselves when introduced into a host with an intact microbial community. While probiotic or ...
    • Orthogonal gene knockout and activation with a catalytically active Cas9 nuclease 

      Joung, Julia; Zhang, Feng; Konermann, Silvana; Dahlman, James E.; Abudayyeh, Omar Osama; e.a. (Nature Publishing Group, 2015-10)
      We have developed a CRISPR-based method that uses catalytically active Cas9 and distinct single guide (sgRNA) constructs to knock out and activate different genes in the same cell. These sgRNAs, with 14- to 15-bp target ...
    • Orthogonal Labeling of M13 Minor Capsid Proteins with DNA to Self-Assemble End-to-End Multiphage Structures 

      Hess, Gaelen T.; Guimaraes, Carla P.; Spooner, Eric; Ploegh, Hidde; Belcher, Angela M. (American Chemical Society (ACS), 2013-09)
      M13 bacteriophage has been used as a scaffold to organize materials for various applications. Building more complex multiphage devices requires precise control of interactions between the M13 capsid proteins. Toward this ...
    • Orthogonal magnetization and symmetry breaking in pyrochlore iridate Eu2Ir2O7 

      Liang, Tian; Ishikawa, Jun J.; Nakatsuji, Satoru; Ong, N. P.; Hsieh, Timothy Hwa-wei; e.a. (Springer Nature, 2017-02)
      Electrons in the pyrochlore iridates experience a large interaction energy in addition to a strong spin-orbit interaction. Both features make the iridates promising for realizing novel states such as the topological Mott ...
    • Orthogonal Matching Pursuit for Sparse Signal Recovery With Noise 

      Cai, T. Tony; Wang, Lie (Institute of Electrical and Electronics Engineers, 2011-07)
      We consider the orthogonal matching pursuit (OMP) algorithm for the recovery of a high-dimensional sparse signal based on a small number of noisy linear measurements. OMP is an iterative greedy algorithm that selects at ...
    • Orthogonal metals: The simplest non-Fermi liquids 

      Nandkishore, Rahul Mahajan; Todadri, Senthil; Metlitski, Max A. (American Physical Society, 2012-07)
      We present a fractionalized metallic phase which is indistinguishable from the Fermi liquid in conductivity and thermodynamics, but is sharply distinct in one-electron properties, such as the electron spectral function. ...
    • Orthogonal Rendezvous Routing Protocol for Wireless Mesh Networks 

      Cheng, Bow-Nan; Yuksel, Murat; Kalyanaraman, Shivkumar (Institute of Electrical and Electronics Engineers and Association for Computing Machinery, 2009-04)
      Routing in multi-hop wireless networks involves the indirection from a persistent name (or ID) to a locator. Concepts such as coordinate space embedding help reduce the number and dynamism complexity of bindings and state ...
    • Orthogonality Conditions and Asymptotic Stability in the Stefan Problem with Surface Tension 

      Hadzic, Mahir (Springer-Verlag, 2011-09)
      We prove nonlinear asymptotic stability of steady spheres in the two-phase Stefan problem with surface tension. Our method relies on the introduction of appropriate orthogonality conditions in conjunction with a high-order ...
    • Orthogonality Relations and Cherednik Identities for Multivariable Baker-Akhiezer Functions 

      Chalykh, Oleg; Etingof, Pavel I. (Elsevier, 2013-03)
      We establish orthogonality relations for the Baker–Akhiezer (BA) eigenfunctions of the Macdonald difference operators. We also obtain a version of Cherednik–Macdonald–Mehta integral for these functions. As a corollary, we ...
    • Oscillations in light-triggered logic microfluidic circuit 

      Cartas Ayala, Marco Aurelio; Gilson, Laura M.; Shen, Chong; Karnik, Rohit (Springer Berlin Heidelberg, 2013-08)
      Control of droplets in microfluidic environments has numerous applications ranging from analysis and sample preparation for biomaterials synthesis (Mann and Ozin Nature 382:313–318, 1996) and medical diagnostics (Pipper ...
    • Oscillator Array Models for Associative Memory and Pattern Recognition 

      Maffezzoni, Paolo; Bahr, Bichoy; Zhang, Zheng; Daniel, Luca (Institute of Electrical and Electronics Engineers (IEEE), 2015-05)
      Brain-inspired arrays of parallel processing oscillators represent an intriguing alternative to traditional computational methods for data analysis and recognition. This alternative is now becoming more concrete thanks to ...
    • Oscillatory dynamics in a bacterial cross-protection mutualism 

      Yurtsev, Eugene; Conwill, Arolyn Macdonald; Gore, Jeff (National Academy of Sciences (U.S.), 2016-05)
      Cooperation between microbes can enable microbial communities to survive in harsh environments. Enzymatic deactivation of antibiotics, a common mechanism of antibiotic resistance in bacteria, is a cooperative behavior that ...
    • Oscillatory multiphase flow strategy for chemistry and biology 

      Abolhasani, Milad; Jensen, Klavs F (Royal Society of Chemistry, 2016-07)
      Continuous multiphase flow strategies are commonly employed for high-throughput parameter screening of physical, chemical, and biological processes as well as continuous preparation of a wide range of fine chemicals and ...
    • Oscillatory Synchronization in Large-Scale Cortical Networks Predicts Perception 

      Hipp, Joerg F.; Engel, Andreas K.; Siegel, Markus (Elsevier, 2011-01)
      Normal brain function requires the dynamic interaction of functionally specialized but widely distributed cortical regions. Long-range synchronization of oscillatory signals has been suggested to mediate these interactions ...
    • Oscillatory three-phase flow reactor for studies of bi-phasic catalytic reactions 

      Abolhasani, Milad; Bruno, Nicholas C.; Jensen, Klavs F. (Royal Society of Chemistry, 2015-04)
      A multi-phase flow strategy, based on oscillatory motion of a bi-phasic slug within a fluorinated ethylene propylene (FEP) tubular reactor, under inert atmosphere, is designed and developed to address mixing and mass ...
    • Oscillons after Inflation 

      Amin, Mustafa Abdulkader; Easther, Richard; Finkel, Hal; Flauger, Raphael; Hertzberg, Mark Peter (American Physical Society, 2012-06)
      Oscillons are massive, long-lived, localized excitations of a scalar field. We show that in a class of well-motivated single-field models, inflation is followed by self resonance, leading to copious oscillon generation and ...
    • An oscilloscope array for high-impedance device characterization 

      Stojanovic, Vladimir Marko; Chen, Fred Fu-Chin; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers, 2009-11)
      An equivalent time oscilloscope array is implemented in a 90 nm CMOS technology. A combination of adjustable termination, calibration circuitry and capacitance compensation enables driver bandwidths between 0.4 to 2 GHz ...
    • Osmotic pressure induced tensile forces in tendon collagen 

      Masic, Admir; Bertinetti, Luca; Schuetz, Roman; Chang, Shu-Wei; Metzger, Till Hartmut; e.a. (Nature Publishing Group, 2015-01)
      Water is an important component of collagen in tendons, but its role for the function of this load-carrying protein structure is poorly understood. Here we use a combination of multi-scale experimentation and computation ...
    • Osmotic Pressure of Aqueous Chondroitin Sulfate Solution: A Molecular Modeling Investigation 

      Bathe, Mark; Rutledge, Gregory C.; Grodzinsky, Alan J.; Tidor, Bruce (Elsevier, 2005-10)
      The osmotic pressure of chondroitin sulfate (CS) solution in contact with an aqueous 1:1 salt reservoir of fixed ionic strength is studied using a recently developed coarse-grained molecular model. The effects of sulfation ...
    • OSPREY: Implementation of Memory Consistency Models for Cache Coherence Protocols involving Invalidation-Free Data Access 

      Kurian, George; Shi, Qingchuan; Devadas, Srinivas; Khan, Omer (Institute of Electrical and Electronics Engineers (IEEE), 2016-03)
      Data access in modern processors contributes significantly to the overall performance and energy consumption. Traditionally, data is distributed among the cores through an on-chip cache hierarchy, and each producer/consumer ...