Now showing items 7570-7589 of 18256

    • Imaging Electron Motion in a Few Layer MoS2 Device 

      Bhandari, Sagar; Wang, Ke; Watanabe, K; Taniguchi, T; Kim, Philip; Westervelt, Robert M. (IOP Publishing, 2017)
      Ultrathin sheets of MoS2 are a newly discovered 2D semiconductor that holds great promise for nanoelectronics. Understanding the pattern of current flow will be crucial for developing devices. In this talk, we present ...
    • Imaging electron motion in graphene 

      Bhandari, Sagar; Westervelt, Robert M. (IOP Publishing, 2017)
      A cooled scanning probe microscope (SPM) is an ideal tool to image electronic motion in graphene: the SPM tip acts as a scanning gate, which interacts with the electron gas below. We introduce the technique using our group's ...
    • Imaging Emergent Heavy Dirac Fermions of a Topological Kondo Insulator 

      Soumyanarayanan, Anjan; He, Yang; Thompson, J. D.; Fisk, Z.; Wang, Xiangfeng; Paglione, Johnpierre; Morr, Dirk K.; Pirie, Harris; Liu, Yu; Chen, Pengcheng; Yee, M; Rosa, P; Hamidian, Mohammad; Hoffman, Jennifer; Kim, Dae-Jeong (Springer Science and Business Media LLC, 2019-11-11)
      The interplay between strong electron interactions and band topology is a new frontier in the search for exotic quantum phases. The Kondo insulator SmB6 has emerged as a promising platform as its correlation-driven bulk ...
    • Imaging Evaluation of 5HT\(_{2C}\) Agonists, [\(^{11}\)C]WAY-163909 and [\(^{11}\)C]Vabicaserin, Formed by Pictet–Spengler Cyclization 

      Neelamegam, Ramesh; Hellenbrand, Tim; Schroeder, Frederick A; Wang, Changning; Hooker, Jacob M (American Chemical Society (ACS), 2014)
      The serotonin subtype 2C (5HT\(_{2C}\)) receptor is an emerging and promising drug target to treat several disorders of the human central nervous system. In this current report, two potent and selective 5HT\(_{2C}\) full ...
    • Imaging GFP-Based Reporters in Neurons with Multiwavelength Optogenetic Control 

      Venkatachalam, Veena; Cohen, Adam Ezra (Elsevier BV, 2014)
      To study the impact of neural activity on cellular physiology, one would like to combine precise control of firing patterns with highly sensitive probes of cellular physiology. Light-gated ion channels, e.g., Channelrhodopsin-2, ...
    • Imaging grain boundary grooves in hard-sphere colloidal bicrystals 

      Maire, Eric; Redston, Emily; Persson Gulda, Maria; Weitz, David A.; Spaepen, Frans (American Physical Society, 2016)
    • Imaging hydrogen peroxide in Alzheimer’s disease via cascade signal amplification 

      Yang, Jian; Yang, Jing; Liang, Steven H.; Xu, Yungen; Moore, Anna; Ran, Chongzhao (Nature Publishing Group, 2016)
      In brains of Alzheimer’s disease (AD), reactive oxygen species (ROS) levels are significantly higher than that of healthy brains. Evidence suggests that, during AD onset and progression, a vicious cycle revolves around ...
    • Imaging Magnetic Polarons in the Doped Fermi-Hubbard Model 

      Koepsell, Joannis; Vijayan, Jayadev; Sompet, Pimonpan; Grusdt, Fabian; Hilker, Timon A.; Demler, Eugene; Salomon, Guillaume; Bloch, Immanuel; Gross, Christian
      Polarons are among the most fundamental quasiparticles emerging in interacting many-body systems, forming already at the level of a single mobile dopant. In the context of the two-dimensional Fermi-Hubbard model, such ...
    • Imaging Magnetic Polarons in the Doped Fermi–Hubbard Model 

      Demler, Eugene; Koepsell, Joannis; Vijayan, Jayadev; Sompet, Pimonpan; Bohrdt Grusdt, Fabian; Hilker, Timon A.; Demler, Eugene; Salomon, Guillaume; Bloch, Immanuel; Gross, Christian (Springer Science and Business Media LLC, 2019-08-14)
      Polarons are among the most fundamental quasiparticles emerging in interacting many-body systems, forming already at the level of a single mobile dopant [1]. In the context of the two- dimensional ...
    • Imaging Mesoscopic Nuclear Spin Noise with a Diamond Magnetometer 

      Meriles, Carlos A.; Jiang, Liang; Goldstein, Garry; Hodges, Jonathan S.; Maze, Jeronimo; Lukin, Mikhail D.; Cappellaro, Paola (American Institute of Physics, 2010)
      Magnetic resonance imaging can characterize and discriminate among tissues using their diverse physical and biochemical properties. Unfortunately, submicrometer screening of biological specimens is presently not possible, ...
    • Imaging Multiple Colloidal Particles by Fitting Electromagnetic Scattering Solutions to Digital Holograms 

      Fung, Jerome; Perry, Rebecca Wood; Dimiduk, Thomas Gwilym; Manoharan, Vinothan N. (Elsevier BV, 2012)
      Digital holographic microscopy is a fast three-dimensional (3D) imaging tool with many applications in soft matter physics. Recent studies have shown that electromagnetic scattering solutions can be fit to digital holograms ...
    • Imaging of the CO Snow Line in a Solar Nebula Analog 

      Qi, Chunhua; Oberg, Karin; Wilner, David J.; D'Alessio, Paola; Bergin, E.; Andrews, Sean M.; Blake, G. A.; Hogerheijde, M. R.; van Dishoeck, E. F. (American Association for the Advancement of Science (AAAS), 2013)
      Planets form in the disks around young stars. Their formation efficiency and composition are intimately linked to the protoplanetary disk locations of “snow lines” of abundant volatiles. We present chemical imaging of the ...
    • Imaging Poliovirus Entry in Live Cells 

      Brandenburg, Boerries; Lee, Lily Y.; Lakadamyali, Melike; Rust, Michael J.; Zhuang, Xiaowei; Hogle, James M. (Public Library of Science, 2007)
      Viruses initiate infection by transferring their genetic material across a cellular membrane and into the appropriate compartment of the cell. The mechanisms by which animal viruses, especially nonenveloped viruses, deliver ...
    • Imaging Subsurface Reflection Phase with Quantized Electrons 

      Altfeder, I. B.; Narayanamurti, V.; Chen, D. M. (American Physical Society, 2002)
      Lead quantum wells (QW) epitaxially grown on annealed Pb/Si(111) interface form a model system for the study of interactions between quantized electrons and adiabatically modulated boundaries. Tunnel spectra of this system ...
    • Imaging the Black Hole Silhouette of M87: Implications for Jet Formation and Black Hole Spin 

      Broderick, Avery E.; Loeb, Abraham (American Astronomical Society, 2009)
      The silhouette cast by the horizon of the supermassive black hole in M87 can now be resolved with the emerging millimeter very long baseline interferometry (VLBI) capability. Despite being similar to 2 x 10(3) times farther ...
    • Imaging the Electron-Boson Coupling in Superconducting FeSe Films Using a Scanning Tunneling Microscope 

      Song, Can-Li; Wang, Yi-Lin; Jiang, Ye-Ping; Li, Zhi; Wang, Lili; He, Ke; Chen, Xi; Hoffman, Jennifer Eve; Ma, Xu-Cun; Xue, Qi-Kun (American Physical Society (APS), 2014)
      Scanning tunneling spectroscopy has been used to reveal signatures of a bosonic mode in the local quasiparticle density of states of superconducting FeSe films. The mode appears below Tc as a “dip-hump” feature at energy ...
    • Imaging the Intracellular Distribution of Tyrosine Kinase Inhibitors in Living Cells with Quantitative Hyperspectral Stimulated Raman Scattering 

      Fu, Dan; Zhou, Jing; Zhu, Wenjing Suzanne; Manley, Paul W.; Wang, Y. Karen; Hood, Tami; Wylie, Andrew; Xie, X. Sunney (2014)
      ABL1 tyrosine-kinase inhibitors (TKI) are a front-line therapy for chronic myelogenous leukemia and represent the best known examples of targeted cancer therapeutics. However, the dynamic uptake of low molecular weight ...
    • Imaging the intracellular distribution of tyrosine kinase inhibitors in living cells with quantitative hyperspectral stimulated Raman scattering 

      Fu, Dan; Zhou, Jing; Zhu, Wenjing Suzanne; Manley, Paul W.; Wang, Y. Karen; Hood, Tami; Wylie, Andrew; Xie, Xiaoliang Sunney (Nature Publishing Group, 2014)
      ABL1 tyrosine-kinase inhibitors (TKI) are front-line therapy for chronic myelogenous leukaemia and are among the best-known examples of targeted cancer therapeutics. However, the dynamic uptake into cells of TKIs of low ...
    • Imaging the Irradiance Distribution in the Optical Near Field 

      Aizenberg, Joanna; Rogers, Jack; Paul, Kateri
      This letter describes the use of a sensitive photoresist for direct imaging of optical intensity profiles in near-field photolithographic experiments. A comparison between experimental patterns in exposed, developed ...
    • Imaging the pathophysiology of major depressive disorder - from localist models to circuit-based analysis 

      Treadway, Michael T; Pizzagalli, Diego A (BioMed Central, 2014)
      The neuroimaging literature of Major Depressive Disorder (MDD) has grown substantially over the last several decades, facilitating great advances in the identification of specific brain regions, neurotransmitter systems ...