Now showing items 9764-9783 of 24540

    • High-Resolution Mutation Mapping Reveals Parallel Experimental Evolution in Yeast 

      Segrè, Ayellet V; Murray, Andrew W.; Leu, Jun-Yi (Public Library of Science, 2006)
      Understanding the genetic basis of evolutionary adaptation is limited by our ability to efficiently identify the genomic locations of adaptive mutations. Here we describe a method that can quickly and precisely map the ...
    • High-resolution optical coherence tomography in vivo using a nano-optic endoscope 

      Pahlevaninezhad, Hamid; Khorasaninejad, Mohammadreza; Huang, Yao-Wei; Shi, Zhujun; Hariri, Lida P.; Adams, David Cleaves; Zhu, Alexander Yutong; Qiu, Cheng-Wei; Capasso, Federico; Suter, Melissa (2018)
      This work establishes a new class of endoscopic optical imaging catheters, termed nano-optic endoscopes, that uses metalenses with the ability to modify the phase of incident light at sub-wavelength level. We utilize the ...
    • High-resolution protein folding with a transferable potential 

      Hubner, Isaac A.; Deeds, Eric J.; Shakhnovich, Eugene I. (National Academy of Sciences, 2005)
      A generalized computational method for folding proteins with a fully transferable potential and geometrically realistic all-atom model is presented and tested on seven helix bundle proteins. The protocol, which includes ...
    • High-resolution quantification of methane emissions from satellites 

      Nesser, Hannah Obermiller (2023-05-11)
      Global high-resolution observations of methane concentrations from satellites can improve our understanding of methane emissions through inverse analyses, but require understanding the information content of observations ...
    • High-Resolution Spectroscopy of the Transiting Planet Host Star TrES-1 

      Sozzetti, Alessandro; Yong, David; Torres, Guillermo; Charbonneau, David; Latham, David W.; Allende Prieto, Carlos; Brown, Timothy M.; Carney, Bruce W.; Laird, John B. (American Astronomical Society, 2004)
      We report on a spectroscopic determination of the stellar parameters and chemical abundances for the parent star of the transiting planet TrES-1. Based on a detailed analysis of iron lines in our Keck and Hobby-Eberly ...
    • High-Resolution, High-Aspect Ratio Conductive Wires Embedded in Plastic Substrates 

      Mahajan, Ankit; Hyun, Woo Jin; Walker, S. Brett; Lewis, Jennifer; Francis, Lorraine F.; Frisbie, C. Daniel (American Chemical Society (ACS), 2015)
      A novel method is presented to fabricate high-resolution, high-aspect ratio metal wires embedded in a plastic substrate for flexible electronics applications. In a sequential process, high-resolution channels connected to ...
    • High-Responsivity Mid-Infrared Graphene Detectors with Antenna-Enhanced Photocarrier Generation and Collection 

      Yao, Yu; Shankar, Raji; Rauter, Patrick; Song, Yi; Kong, Jing; Loncar, Marko; Capasso, Federico (American Chemical Society, 2014)
      Graphene is an attractive photoconductive material for optical detection due to its broad absorption spectrum and ultrashort response time. However, it remains a great challenge to achieve high responsivity in graphene ...
    • High-Sensitivity Measurement of Density by Magnetic Levitation 

      Nemiroski, Alex; Kumar, Ashok Ashwin; Soh, Siowling; Harburg, Daniel V.; Yu, Hai-Dong; Whitesides, George McClelland (American Chemical Society (ACS), 2016)
      This paper presents methods that use Magnetic Levitation (MagLev) to measure very small differences in density of solid diamagnetic objects suspended in a paramagnetic medium. Previous work in this field has shown that, ...
    • High-SNR Capacity of AWGN Channels With Generic Alphabet Constraints 

      Weiner, Ian (2017-01-26)
      We present a generalized notion of entropy taken with respect to a measure in a coordinate-independent manner and prove several novel entropy convergence theorems. A particular focus is entropy of random variables on smooth ...
    • High-speed Developments in Avian Genomics 

      Bonneaud, Camille; Burnside, Joan; Edwards, Scott (American Institute of Biological Sciences, 2008)
      Until recently, definitions of avian genome structure and function were based solely on our knowledge of the chicken genome. The expansion of genomic studies to include nonmodel avian species allows us not only to refine ...
    • High-speed surface reconstruction of a flying bird using structured light 

      Deetjen, Marc E.; Biewener, Andrew Austin; Lentink, David (The Company of Biologists, 2017)
      Birds fly effectively and maneuver nimbly by dynamically changing the shape of their wings during each wingbeat. These shape changes have yet to be quantified automatically at high temporal and spatial resolution. Therefore, ...
    • High-Speed, Compact, Adaptive Lenses Using In-Line Transparent Dielectric Elastomer Actuator Membranes 

      Shian, Samuel; Diebold, Roger Mitchell; Clarke, David R. (Society of Photo-Optical Instrumentation Engineers (SPIE), 2013)
      Electrically tunable adaptive lenses provide several advantages over traditional lens assemblies in terms of compactness, speed, efficiency, and flexibility. We present an elastomer-liquid lens system which makes use of ...
    • High-Temperature Operation of Terahertz Quantum Cascade Laser Sources 

      Belkin, Mikhail A.; Wang, Qi Jie; Pflügl, Christian; Belyanin, Alexey; Khanna, Suraj P.; Davies, Alexander Giles; Linfield, Edmund Harold; Capasso, Federico (Institute of Electrical and Electronics Engineers, 2009)
      Terahertz (THz) quantum cascade lasers (QCLs) are currently the most advanced electrically pumped semiconductor lasers in the spectral range 1-5 THz. However, their operation at room temperature is still an unresolved ...
    • High-Temperature Quantum Anomalous Hall Effect in n − p Codoped Topological Insulators 

      Qi, Shifei; Qiao, Zhenhua; Deng, Xinzhou; Cubuk, Ekin D.; Chen, Hua; Zhu, Wenguang; Kaxiras, Efthimios; Zhang, S. B.; Xu, Xiaohong; Zhang, Zhenyu (American Physical Society, 2016)
    • High-Temperature Superfluidity of Fermionic Atoms in Optical Lattices 

      Hofstetter, W.; Cirac, J. I.; Zoller, P.; Demler, Eugene A.; Lukin, Mikhail D. (American Physical Society (APS), 2002)
      Fermionic atoms confined in a potential created by standing wave light can undergo a phase transition to a superfluid state at a dramatically increased transition temperature. Depending upon carefully controlled parameters, ...
    • High-temperature tensile behavior of freestanding Au thin films 

      Sim, Gi-dong; Vlassak, Joost J. (Elsevier BV, 2014)
      The mechanical behavior of freestanding thin sputter-deposited films of Au is studied at temperatures up to 340 °C, using tensile testing. Films tested at elevated temperatures exhibit a significant decrease in flow stress ...
    • High-throughput analysis of the activities of xCas9, SpCas9-NG and SpCas9 at matched and mismatched target sequences in human cells 

      Kim, Hui Kwon; Lee, Sungtae; Kim, Younggwang; Park, Jinman; Min, Seonwoo; Choi, Jae Woo; Huang, Tony P.; Yoon, Sungroh; Liu, David; Kim, Hyongbum Henry (Springer Science and Business Media LLC, 2020-01-14)
    • High-throughput analysis of thin-film stresses using arrays of micromachined cantilever beams 

      Kim, Hyun-Jong; Han, Jun-Hyun; Kaiser, Roy; Oh, Kyu Hwan; Vlassak, Joost (AIP Publishing, 2008-04)
      We report on a technique for making high-throughput residual stress measurements on thin films by means of micromachined cantilever beams and an array of parallel laser beams. In this technique, the film of interest is ...
    • High-Throughput Calculations of Magnetic Topological Materials 

      Xu, Yuanfeng; Elcoro, Luis; Song, Zhi-Da; Wieder, Benjamin J.; Vergniory, M. G.; Regnault, Nicolas; Chen, Yulin; Felser, Claudia; Bernevig, B. Andrei (Springer Science and Business Media LLC, 2020-10-28)
      Using magnetic band theory and topological indices obtained from Magnetic Topological Quantum Chemistry (MTQC), we have performed the first high-throughput calculations of 549 magnetic topological materials and have ...
    • High-Throughput Cell Transplantation Establishes That Tumor-Initiating Cells Are Abundant in Zebrafish T-Cell Acute Lymphoblastic Leukemia 

      Smith, Alexandra C. H.; Raimondi, Aubrey R.; Salthouse, Chris D.; Ignatius, Myron S; Blackburn, Jessica S; Mizgirev, Igor V.; Storer, Narie Yoo; de Jong, Jill L. O.; Chen, Aye Tin Maung; Zhou, Yi; Revskoy, Sergei; Zon, Leonard Ira; Langenau, David M. (American Society of Hematology, 2010)
      Self-renewal is a feature of cancer and can be assessed by cell transplantation into immune-compromised or immune-matched animals. However, studies in zebrafish have been severely limited by lack of these reagents. Here, ...