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Author Correction: Sculpting nanoparticle dynamics for single-bacteria-level screening and direct binding-efficiency measurement

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Nature communications 2019年第1期10卷 1227页

作者： Y Z Shi S Xiong Y Zhang L K Chin Y-Y Chen J B Zhang T H Zhang W Ser A Larsson S H Lim J H Wu T N Chen Z C Yang Y L Hao B Liedberg P H Yap K Wang D P Tsai C-W Qiu A Q Liu School of Mechanical Engineering Xi'an Jiaotong University 710049 Xi'an China. School of Electrical and Electronic Engineering Nanyang Technological University Singapore 639798 Singapore. School of Electrical and Electronic Engineering Nanyang Technological University Singapore 639798 Singapore. xiongsha@ntu.edu.sg. School of Mechanical and Aerospace Engineering Nanyang Technological University Singapore 639798 Singapore. Department of Electrical and Computer Engineering National University of Singapore Singapore 117583 Singapore. School of Biological Sciences Nanyang Technological University Singapore 639798 Singapore. National Key Laboratory of Science and Technology on Micro/Nano Fabrication Institute of Microelectronics Peking University 100871 Beijing China. Centre for Biomimetic Sensor Science School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore. Lee Kong Chian School of Medicine Nanyang Technological University Singapore 308232 Singapore. College of Biomedical Engineering Taipei Medical University Taipei 11031 Taiwan. Nanyang Environment & Water Research Institute Nanyang Technological University Singapore 637141 Singapore. Department of Physics National Taiwan University Taipei 10617 Taiwan. Department of Electrical and Computer Engineering National University of Singapore Singapore 117583 Singapore. eleqc@nus.edu.sg. SZU-NUS Collaborative Innovation Center for Optoelectronic Science and Technology Shenzhen University 518060 Shenzhen China. eleqc@nus.edu.sg. School of Electrical and Electronic Engineering Nanyang Technological University Singapore 639798 Singapore. eaqliu@ntu.edu.sg. National Key Laboratory of Science and Technology on Micro/Nano Fabrication Institute of Microelectronics Peking University 100871 Beijing China. eaqliu@ntu.edu.sg.

The original version of this Article omitted the author Kuan Wang, who is from the 'College of Biomedical engineering, Taipei Medical University, Taipei 11031, Taiwan' and 'Nanyang Environment & Water research Institute, Nanyang Technological University, Singapore 637141, Singapore.'Also, the author S.H. Lim was incorrectly given as L.S. Hoi and A. Larsson was incorrectly given as A. *** "Author contributions" was amended to reflect the authorship changes. It previously read 'Y.Z.S., C.-W.Q., and A.Q.L. jointly conceived the idea. Y.Z.S., S.X., Y.Z., J.B.Z., W.S., J.H.W., T.N.C., Z.C.Y., Y.L.H., B.L., P.H.Y., D.P.T., and C.-W.Q. performed the numerical simulations and theoretical analysis. Y.Z.S., S.X., and L.K.C. did the fabrication and experiments of particle hopping, biomolecule binding and flow cytometry. A.L. and L.S.H. did the SPR experiments. S.X., Y.Z.S., Y.Z., C.-W.Q., Y.-Y.C., L.K.C., T.H.Z., and A.Q.L. prepared the manuscript. S.X., Y.Z., C.-W.Q., and A.Q.L. supervised and coordinated all the work. All authors commented on the manuscript.' The correct version states 'B.L., K. W., P.H.Y.' instead of 'B.L., P.H.Y.' and 'S.H.L.' in place of 'L.S.H.'This has been corrected in both the PDF and HTML versions of the Article.

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Corrigendum: 'electrical and optical properties of Zr doped β-Ga2O3 single crystals' [Appl. Phys. Express 12, 085502 (2019)]

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Applied Physics Express 2019年第10期12卷

作者： Muad Saleh Arkka Bhattacharyya Joel B. Varley Santosh Swain Jani Jesenovec Sriram Krishnamoorthy Kelvin Lynn Materials Science & Engineering Program Washington State University Pullman WA 99164 United States of America Center for Materials Research Washington State University Pullman WA 99164 United States of America Electrical and Computer Engineering The University of Utah Salt Lake City UT 84112 United States of America Lawrence Livermore National Laboratory Livermore CA 94550 United States of America School of Mechanical and Materials Engineering Washington State University Pullman WA 99164 United States of America Department of Physics Washington State University Pullman WA 99164 United States of America

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Shape-independent hardness estimation using deep learning and a GelSight tactile sensor

arXiv

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arXiv 2017年

作者： Yuan, Wenzhen Zhu, Chenzhuo Owens, Andrew Srinivasan, Mandayam A. Adelson, Edward H. Department of Mechanical Engineering Computer Science and Artificial Intelligence Laboratory CambridgeMA02139 United States CSAIL MIT CambridgeMA United States Department of Electronical Engineering Tsinghua University Beijing100084 China Electrical Engineering and Computer Science Department U.C. Berkeley CambridgeMA02139 United States Research Laboratory of Electronics Department of Mechanical Engineering MIT CambridgeMA02139 United States UCL TouchLab Computer Science Department UCL London United Kingdom Department of Brain and Cognitive Sciences CSAIL MIT CambridgeMA02139 United States

Hardness is among the most important attributes of an object that humans learn about through touch. However, approaches for robots to estimate hardness are limited, due to the lack of information provided by current tactile sensors. In this work, we address these limitations by introducing a novel method for hardness estimation, based on the GelSight tactile sensor, and the method does not require accurate control of contact conditions or the shape of objects. A GelSight has a soft contact interface, and provides high resolution tactile images of contact geometry, as well as contact force and slip conditions. In this paper, we try to use the sensor to measure hardness of objects with multiple shapes, under a loosely controlled contact condition. The contact is made manually or by a robot hand, while the force and trajectory are unknown and uneven. We analyze the data using a deep constitutional (and recurrent) neural network. Experiments show that the neural net model can estimate the hardness of objects with different shapes and hardness ranging from 8 to 87 in Shore 00 scale. Copyright © 2017, The Authors. All rights reserved.

关键词： Hardness

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Publisher Correction: Encryption and steganography of synthetic gene circuits

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Nature communications 2019年第1期10卷 154页

作者： Oliver Purcell Jerry Wang Piro Siuti Timothy K Lu Synthetic Biology Center Massachusetts Institute of Technology 500 Technology Square Cambridge MA 02139 USA. Synthetic Biology Center Massachusetts Institute of Technology 500 Technology Square Cambridge MA 02139 USA. timlu@mit.edu. Department of Biological Engineering Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA. timlu@mit.edu. Research Laboratory of Electronics Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA. timlu@mit.edu.

The original version of this Article contained an error in Fig. 4. In the lower part of the three gene circuit diagrams in panel b, the flat-headed arrow linking lambdaCI to the tetR promoter incorrectly pointed to th...

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Liquid crystal colloids

arXiv

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arXiv 2017年

作者： Smalyukh, Ivan I. Department of Physics Department of Electrical Computer and Energy Engineering Soft Materials Research Center and Materials Science and Engineering Program University of Colorado BoulderCO80309 United States Renewable and Sustainable Energy Institute National Renewable Energy Laboratory University of Colorado BoulderCO80309 United States

Colloids are abundant in nature, science and technology, with examples ranging from milk to quantum dots and the "colloidal atom" paradigm. Similarly, liquid crystal ordering is important in contexts ranging from biological membranes to laboratory models of cosmic strings and liquid crystal displays in consumer devices. Some of the most exciting recent developments in both of these soft matter fields emerge at their interface, in the fast-growing research arena of liquid crystal colloids. Mesoscale self-assembly in such systems may lead to artificial materials and structures with emergent physical behavior arising from patterning of molecular order and nano- or micro-particles into precisely controlled configurations. Liquid crystal colloids show an exceptional promise of new discovery that may impinge on the composite material fabrication, low-dimensional topology, photonics, and so on. Starting from physical underpinnings, I review the state of art in this fast-growing field, with a focus on its scientific and technological potential. Copyright © 2017, The Authors. All rights reserved.

关键词： Self assembly

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Storage Ring to Search for Electric Dipole Moments of Charged Particles - Feasibility Study

arXiv

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arXiv 2019年

作者： Abusaif, F. Aggarwal, A. Aksentev, A. Alberdi-Esuain, B. Andres, A. Atanasov, A. Barion, L. Basile, S. Berz, M. Böhme, C. Böker, J. Borburgh, J. Canale, N. Carli, Christian Ciepal, I. Ciullo, G. Contalbrigo, M. de Conto, J.-M. Dymov, S. Felden, O. Gaisser, M. Gebel, R. Giese, N. Gooding, J. Grigoryev, K. Grzonka, D. Haj Tahar, M. Hahnraths, T. Heberling, D. Hejny, V. Hetzel, J. Hölscher, D. Javakhishvili, O. Jorat, L. Kacharava, A. Kamerdzhiev, V. Karanth, S. Keshelashvili, I. Koop, I. Kulikov, A. Laihem, K. Lamont, M. Lehrach, A. Lenisa, P. Lomidze, I. Lomidze, N. Lorentz, B. Macharashvili, G. Magiera, A. Makino, K. Martin, S. McHedlishvili, D. Meißner, U.-G. Metreveli, Z. Michaud, J. Müller, F. Nass, A. Natour, G. Nikolaev, N. Nogga, A. Okropiridze, D. Pesce, A. Poncza, V. Prasuhn, D. Pretz, J. Rathmann, F. Ritman, J. Rosenthal, M. Saleev, A. Schott, M. Sefzick, T. Senichev, Y. Shankar, R. Shergelashvili, D. Shmakova, V. Siddique, S. Silenko, A. Simon, M. Slim, J. Soltner, H. Stahl, A. Stassen, R. Stephenson, E. Straatmann, H. Ströher, H. Tabidze, M. Tagliente, G. Talman, R. Uzikov, Y. Valdau, Y. Valetov, E. Vilella, E. Vitz, M. Vossebeld, J. Wagner, T. Weidemann, C. Wirzba, A. Wrońska, A. Wüstner, P. Zupranski, P. Żurek, M. Institut für Kernphysik Forschungszentrum Jülich Jülich52425 Germany Institute of Physics Jagiellonian University Cracow30348 Poland Institute for Nuclear Research Russian Academy of Sciences Moscow117312 Russia III. Physikalisches Institut B RWTH Aachen University Aachen52056 Germany European Organization for Nuclear Research CERN Genéve 23CH-1211 Switzerland University of Ferrara and INFN Ferrara44100 Italy Department of Physics and Astronomy Michigan State University East LansingMI48824 United States Institute of Nuclear Physics PAS Cracow31-342 Poland CNRS/IN2P3 - UGA LPSC Grenoble France Laboratory of Nuclear Problems Joint Institute for Nuclear Research Dubna141980 Russia Department of Physics University of Liverpool LiverpoolL69 7ZE United Kingdom Institut für Hochfrequenztechnik RWTH Aachen University Aachen52056 Germany Department of Electrical and Computer Engineering Agricultural University of Georgia Tbilisi0159 Georgia Budker Institute of Nuclear Physics Novosibirsk630090 Russia High Energy Physics Institute Tbilisi State University Tbilisi0186 Georgia Institute for Advanced Simulation Forschungszentrum Jülich Jülich52425 Germany Bethe Center for Theoretical Physics Universität Bonn Bonn53115 Germany Helmholtz-Institut für Strahlen und Kernphysik Universität Bonn Bonn53115 Germany Zentralinstitut für Engineering Elektronik und Analytik Forschungszentrum Jülich Jülich52425 Germany L.D. Landau Institute for Theoretical Physics Chernogolovka142432 Russia Engineering Physics Department Georgian Technical University Tbilisi0160 Georgia Institute of Physics Johannes Gutenberg University Mainz Mainz55128 Germany Research Institute for Nuclear Problems Belarusian State University Minsk220030 Belarus Indiana University Center for Spacetime Symmetries BloomingtonIN47405 United States INFN Bari70125 Italy Cornell University IthacaNY14850 United States Andrzej Soltan Institute for Nuclear Studies Warsaw Poland L

The proposed method exploits charged particles confined as a storage ring beam (proton, deuteron, possibly 3He) to search for an intrinsic electric dipole moment (EDM) aligned along the particle spin axis. Statistical sensitivities could approach 10−29 e cm. The challenge will be to reduce systematic errors to similar levels. The ring will be adjusted to preserve the spin polarization, initially parallel to the particle velocity, for times in excess of 15 min. Large radial electric fields, acting through the EDM, will rotate the polarization from the longitudinal to the vertical direction. The slow increase in the vertical polarization component, detected through scattering from a target, signals the EDM. The project strategy is outlined. A stepwise plan is foreseen, starting with ongoing COSY activities that demonstrate technical feasibility. Achievements to date include reduced polarization measurement errors, long horizontal plane polarization lifetimes, and control of the polarization direction through feedback from scattering measurements. The project continues with a proof-of-capability measurement (precursor experiment;first direct deuteron EDM measurement), an intermediate prototype ring (proof-of-principle;demonstrator for key technologies), and finally a high-precision electric-field storage ring. © 2019, CC BY.

关键词： Electric dipole moments

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Second-harmonic generation in longitudinal epsilon-near-zero materials

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Physical Review B 2017年第4期96卷 045438-045438页

作者： M. A. Vincenti M. Kamandi D. de Ceglia C. Guclu M. Scalora F. Capolino Department of Information Engineering University of Brescia Via Branze 38 25123 Brescia Italy Department of Electrical Engineering and Computer Science University of California Irvine California 92697 USA AEgis Technologies Incorporated 410 Jan Davis Drive Huntsville Alabama 35806 USA Charles M. Bowden Research Laboratory AMRDEC U.S. Army RDECOM Redstone Arsenal Alabama 35898 USA

We investigate second-harmonic generation from anisotropic or longitudinal epsilon-near-zero materials. We find conversion efficiencies well above their isotropic counterparts owing to additional field intensity enhancement provided by the anisotropy. At the same time, anisotropic epsilon-near-zero materials are also less sensitive to the material's losses compared to the isotropic ones. In turn, these improvements become pivotal for epsilon-near-zero materials that do not possess bulk dipole-allowed quadratic nonlinearities. We predict that second-harmonic generation from a Dy:CdO/Si multilayer with longitudinal epsilon-near-zero properties can exceed the conversion efficiency of a homogeneous Dy:CdO slab of equivalent thickness by at least 20 times for almost any angle of incidence.

关键词： High-order harmonic generation Metamaterials Nonlinear optics

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New strategy for highly effective p-type doping of nitrides: Energy band tailoring

New strategy for highly effective p-type doping of nitrides:...

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Solid-State Lighting, SSL 2017

作者： Liu, Zhiqiang Yi, Xiaoyan Wang, Junxi Li, Jinmin Lu, Na Ferguson, Ian Zhang, Yong Research and Development Center for Solid State Lighting Institute of Semiconductors Chinese Academy of Science Beijing100086 China State Key Laboratory of Solid State Lighting Beijing100086 China Lyles School of Civil Engineering Purdue University West LafayetteIN47907 United States College of Engineering and Computing Missouri University of Science and Technology 305 McNutt Hall 1400 N. Bishop RollaMO65409 United States Department of Electrical and Computer Engineering The University of North Carolina at Charlotte 9201 University City Blvd. CharlotteNC28223 United States

A new strategy for achieving efficient p-type doping has been proposed and investigated. Furthermore, a diagnostic technique for examining the impurity level was proposed based on photoluminescence thermal quenching.

ISBN: (纸本)9781943580361

关键词： Semiconductor doping

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Cosmic pathways for compact groups in the milli-millennium simulation

arXiv

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arXiv 2019年

作者： Tzanavaris, P. Gallagher, S.C. Ali, S. Miller, D.R. Pentinga, S. Johnson, K.E. University of Maryland Baltimore County 1000 Hilltop Circle BaltimoreMD21250 United States Astrophysics Science Division Laboratory for X-ray Astrophysics NASA/Goddard Space Flight Center Mail Code 662 GreenbeltMD20771 United States Department of Physics and Astronomy University of Western Ontario LondonONN6A 3K7 Canada Centre for Planetary and Space Exploration University of Western Ontario LondonONN6A 5B9 Canada Rotman Institute of Philosophy University of Western Ontario LondonONN6A 5B9 Canada Canadian Space Agency Saint-HubertQCJ3Y 8Y9 Canada Department of Electrical and Computer Engineering University of Western Ontario LondonONN6A 5B9 Canada InademyComputing: Research Development and Consultancy LondonONN6A 1C9 Canada Department of Physics Simon Fraser University BurnabyBCV5A 1S6 Canada Department of Astronomy University of Virginia P.O. Box 400325 CharlottesvilleVA22904-4325 United States National Radio Astronomy Observatory 520 Edgemont Road CharlottesvilleVA22903 United States

We detected 10 compact galaxy groups (CGs) at z = 0 in the semianalytic galaxy catalog of Guo et al. (2011) for the milli-Millennium Cosmological Simulation (sCGs in mGuo2010a). We aimed to identify potential canonical pathways for compact group evolution and thus illuminate the history of observed nearby compact groups. By constructing merger trees for z = 0 sCG galaxies, we studied the cosmological evolution of key properties, and compared them with z = 0 Hickson CGs (HCGs). We found that, once sCG galaxies come within 1 (0.5) Mpc of their most massive galaxy, they remain within that distance until z = 0, suggesting sCG "birth redshifts." At z = 0 stellar masses of sCG most massive galaxies are within 1010 . M∗/M☉ . 1011. In several cases, especially in the two four- and five-member systems, the amount of cold gas mass anticorrelates with stellar mass, which in turn correlates with hot gas mass. We define the angular difference between group members’ 3D velocity vectors, ∆θvel, and note that many of the groups are long-lived because their small values of ∆θvel indicate a significant parallel component. For triplets in particular, ∆θvel values range between 20◦ and 40◦ so that galaxies are coming together along roughly parallel paths, and pairwise separations do not show large pronounced changes after close encounters. The best agreement between sCG and HCG physical properties is for M∗ galaxy values, but HCG values are higher overall, including for star formation rates (SFRs). Unlike HCGs, due to a tail at low SFR and M∗, and a lack of M∗ & 1011 M☉ galaxies, only a few sCG galaxies are on the star-forming main sequence. Key words: galaxies: evolution – galaxies: groups: general – galaxies: interactions Copyright © 2019, The Authors. All rights reserved.

关键词： Galaxies

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Optoacoustic tomographic imaging of myelinated structures in rodent brains

Optoacoustic tomographic imaging of myelinated structures in...

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Optics and the Brain, BRAIN 2017

作者： Lockwood, Joshua Ringuette, Dene Zhou, Xun Yucel, Yeni Levi, Ofer The Institute of Biomaterials and Biomedical Engineering University of Toronto 164 College Street TorontoONM5S 3G9 Canada Department of Ophthalmology and Vision Sciences Laboratory Medicine and Pathobiology University of Toronto Keenan Research Centre for Biomedical Science 209 Victoria St TorontoONM5B 1T8 Canada The Edward S. Rogers Sr. Department of Electrical and Computer Engineering University of Toronto 164 College Street TorontoONM5S 3G9 Canada

Myelinated structures in rodent brains were identified using multispectral optoacoustic tomography;exploiting the 930 nm lipid absorbance maximum. Results support optoacoustic imaging as an inventigative tool for rode... 详细信息

ISBN: (纸本)9781943580255

关键词： Photoacoustic effect

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