Scientific Reports Physics Table of Contents e-alert: 8 September 2015

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08 September 2015      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Long-Range Ruthenium-Amine Electronic Communication through the para-Oligophenylene Wire ▶     Jun-Jian Shen, Yu-Wu Zhong     The studies of long-range electronic communication are hampered by solubility and potential-splitting issues. A “hybridized redox-asymmetry” method using a combination of organic …             Foldable and Cytocompatible Sol-gel TiO2 Photonics ▶     Lan Li, Ping Zhang, Wei-Ming Wang et al.     Integrated photonics provides a miniaturized and potentially implantable platform to manipulate and enhance the interactions between light and biological molecules or tissues in …             Stability of a new cubic monoxide of Thorium under pressure ▶     Weiwei Sun, Wei Luo, Rajeev Ahuja     Density functional theory has been applied to elucidate the stability of thorium monoxide (ThO). It is found out that the pressure can stabilize the rocksalt phase of ThO, and …             Strong, spectrally-tunable chirality in diffractive metasurfaces ▶     Israel De Leon, Matthew J. Horton, Sebastian A. Schulz et al.     Metamaterials and metasurfaces provide a paradigm-changing approach for manipulating light. Their potential has been evinced by recent demonstrations of chiral responses much …             Tunable growth of silver nanobelts on monolithic activated carbon with size-dependent plasmonic response ▶     Hong Zhao, Yuesheng Ning, Binyuan Zhao et al.     Silver is one of the most important materials in plasmonics. Tuning the size of various silver nanostructures has been actively pursued in the last decade. However, silver …             Interface-Free Area-Scalable Self-Powered Electroluminescent System Driven by Triboelectric Generator ▶     Xiao Yan Wei, Shuang Yang Kuang, Hua Yang Li et al.     Self-powered system that is interface-free is greatly desired for area-scalable application. Here we report a self-powered electroluminescent system that consists of a …             Acoustic build-up in on-chip stimulated Brillouin scattering ▶     C. Wolff, M. J. Steel, B. J. Eggleton et al.     We investigate the role of the spatial evolution of the acoustic field in stimulated Brillouin scattering processes in short high-gain structures. When the gain is strong enough …             Highly Efficient Photocatalytic Hydrogen Production of Flower-like Cadmium Sulfide Decorated by Histidine ▶     Qizhao Wang, Juhong Lian, Jiajia Li et al.     Morphology-controlled synthesis of CdS can significantly enhance the efficiency of its photocatalytic hydrogen production. In this study, a novel three-dimensional (3D) …             Photoluminescence studies of a perceived white light emission from a monolithic InGaN/GaN quantum well structure ▶     N. Ben Sedrine, T. C. Esteves, J. Rodrigues et al.     In this work we demonstrate by photoluminescence studies white light emission from a monolithic InGaN/GaN single quantum well structure grown by metal organic chemical vapour …             Mechanisms for Enhanced Hydrophobicity by Atomic-Scale Roughness ▶     Yumi Katasho, Yunfeng Liang, Sumihiko Murata et al.     It is well known that the close-packed CF3-terminated solid surface is among the most hydrophobic surfaces in nature. Molecular dynamic simulations show that this hydrophobicity …             Effect of Ag nanoparticle concentration on the electrical and ferroelectric properties of Ag/P(VDF-TrFE) composite films ▶     Haemin Paik, Yoon-Young Choi, Seungbum Hong et al.     We investigated the effect of the Ag nanoparticles on the ferroelectric and piezoelectric properties of Ag/poly(vinylidenefluoride-trifluoroethylene) (P(VDF-TrFE)) composite …             Highly Omnidirectional and Frequency Controllable Carbon/Polyaniline-based 2D and 3D Monopole Antenna ▶     Keun-Young Shin, Minkyu Kim, James S. Lee et al.     Highly omnidirectional and frequency controllable carbon/polyaniline (C/PANI)-based, two- (2D) and three-dimensional (3D) monopole antennas were fabricated using screen-printing …             Insight into Evolution, Processing and Performance of Multi-length-scale Structures in Planar Heterojunction Perovskite Solar Cells ▶     Yu-Ching Huang, Cheng-Si Tsao, Yi-Ju Cho et al.     The structural characterization correlated to the processing control of hierarchical structure of planar heterojunction perovskite layer is still incomplete due to the …             Low-Energy Electron Potentiometry: Contactless Imaging of Charge Transport on the Nanoscale ▶     J. Kautz, J. Jobst, C. Sorger et al.     Charge transport measurements form an essential tool in condensed matter physics. The usual approach is to contact a sample by two or four probes, measure the resistance and …             Columnar grown copper films on polyimides strained beyond 100% ▶     Jeong-Yun Sun, Hae-Ryung Lee, Kyu Hwan Oh     Many flexible electronic devices contain metal films on polymer substrates to satisfy requirements for both electrical conductivity and mechanical durability. Despite numerous …             The impact of surface chemistry on the performance of localized solar-driven evaporation system ▶     Shengtao Yu, Yao Zhang, Haoze Duan et al.     This report investigates the influence of surface chemistry (or wettability) on the evaporation performance of free-standing double-layered thin film on the surface of water. …             Effects of acoustic levitation on the development of zebrafish, Danio rerio, embryos ▶     Maria Sundvik, Heikki J. Nieminen, Ari Salmi et al.     Acoustic levitation provides potential to characterize and manipulate material such as solid particles and fluid in a wall-less environment. While attempts to levitate small …             Water-enhanced Removal of Ciprofloxacin from Water by Porous Graphene Hydrogel ▶     Jie Ma, Mingxuan Yang, Fei Yu et al.     An environmentally benign and efficient hydrothermal reduction method was applied for the preparation of three-dimensional (3D) porous graphene hydrogel (GH) adsorbents. The …             Differential Contributions of Nonmuscle Myosin II Isoforms and Functional Domains to Stress Fiber Mechanics ▶     Ching-Wei Chang, Sanjay Kumar     While is widely acknowledged that nonmuscle myosin II (NMMII) enables stress fibers (SFs) to generate traction forces against the extracellular matrix, little is known about how …             Stabilizing synchrony by inhomogeneity ▶     Ehsan Bolhasani, Alireza Valizadeh     We show that for two weakly coupled identical neuronal oscillators with strictly positive phase resetting curve, isochronous synchrony can only be seen in the absence of noise …             The motility-proliferation-metabolism interplay during metastatic invasion ▶     Inbal Hecht, Sari Natan, Assaf Zaritsky et al.     Metastasis is the major cause for cancer patients’ death, and despite all the recent advances in cancer research it is still mostly incurable. Understanding the mechanisms that …             Dimeric interactions and complex formation using direct coevolutionary couplings ▶     Ricardo N. dos Santos, Faruck Morcos, Biman Jana et al.     We develop a procedure to characterize the association of protein structures into homodimers using coevolutionary couplings extracted from Direct Coupling Analysis (DCA) in …             The Hardest Superconducting Metal Nitride ▶     Shanmin Wang, Daniel Antonio, Xiaohui Yu et al.     Transition–metal (TM) nitrides are a class of compounds with a wide range of properties and applications. Hard superconducting nitrides are of particular interest for electronic …             High-performance multi-functional reverse osmosis membranes obtained by carbon nanotube·polyamide nanocomposite ▶     Shigeki Inukai, Rodolfo Cruz-Silva, Josue Ortiz-Medina et al.     Clean water obtained by desalinating sea water or by purifying wastewater, constitutes a major technological objective in the so-called water century. In this work, a …             Virus based Full Colour Pixels using a Microheater ▶     Won-Geun Kim, Kyujung Kim, Sung-Hun Ha et al.     Mimicking natural structures has been received considerable attentions, and there have been a few practical advances. Tremendous efforts based on a self-assembly technique have …             Assembling strategy to synthesize palladium modified kaolin nanocomposites with different morphologies ▶     Xiaoyu Li, Jing Ouyang, Yonghua Zhou et al.     Nanocomposites of aluminosilicate minerals, kaolins (kaolinite and halloysite) with natural different morphologies assembling with palladium (Pd) nanoparticles have been …             Quantifying Molecular-Level Cell Adhesion on Electroactive Conducting Polymers using Electrochemical-Single Cell Force Spectroscopy ▶     Hongrui Zhang, Paul J. Molino, Gordon G. Wallace et al.     Single Cell Force Spectroscopy was combined with Electrochemical-AFM to quantify the adhesion between live single cells and conducting polymers whilst simultaneously applying a …             Boron-rich benzene and pyrene derivatives for the detection of thermal neutrons ▶     Henok A. Yemam, Adam Mahl, Unsal Koldemir et al.     A synthetic methodology is developed to generate boron rich aromatic small molecules based on benzene and pyrene moieties for the detection of thermal neutrons. The prepared …             Laser optomechanics ▶     Weijian Yang, Stephen Adair Gerke, Kar Wei Ng et al.     Cavity optomechanics explores the interaction between optical field and mechanical motion. So far, this interaction has relied on the detuning between a passive optical resonator …             Dynamic response of polar nanoregions under an electric field in a paraelectric KTa0.61Nb0.39O3 single crystal near the para-ferroelectric phase boundary ▶     Hao Tian, Bo Yao, Lei Wang et al.     The dynamic response of polar nanoregions under an AC electric field was investigated by measuring the frequency dependence of the quadratic electro-optic (QEO) effect in a …             Ice-templated Self-assembly of VOPO4–Graphene Nanocomposites for Vertically Porous 3D Supercapacitor Electrodes ▶     Kwang Hoon Lee, Young-Woo Lee, Seung Woo Lee et al.     A simple ice-templated self-assembly process is used to prepare a three-dimensional (3D) and vertically porous nanocomposite of layered vanadium phosphates (VOPO4) and graphene …             Silver Nanowire Transparent Conductive Electrodes for High-Efficiency III-Nitride Light-Emitting Diodes ▶     Munsik Oh, Won-Yong Jin, Hyeon Jun Jeong et al.     Silver nanowires (AgNWs) have been successfully demonstrated to function as next-generation transparent conductive electrodes (TCEs) in organic semiconductor devices owing to …             Layered Seed-Growth of AgGe Football-like Microspheres via Precursor-Free Picosecond Laser Synthesis in Water ▶     Dongshi Zhang, Bilal Gökce, Christian Notthoff et al.     Hybrid particles are of great significance in terms of their adjustable optical, electronic, magnetic, thermal and mechanical properties. As a novel technique, laser ablation in …             Multi-wavelength emission through self-induced second-order wave-mixing processes from a Nd3+ doped crystalline powder random laser ▶     André L. Moura, Vladimir Jerez, Lauro J. Q. Maia et al.     Random lasers (RLs) based on neodymium ions (Nd3+) doped crystalline powders rely on multiple light scattering to sustain laser oscillation. Although Stokes and anti-Stokes Nd3+ …             Effects of stoichiometry on the transport properties of crystalline phase-change materials ▶     Wei Zhang, Matthias Wuttig, Riccardo Mazzarello     It has recently been shown that a metal-insulator transition due to disorder occurs in the crystalline state of the GeSb2Te4 phase-change compound. The transition is triggered by …             Antiferromagnetic Spin Coupling between Rare Earth Adatoms and Iron Islands Probed by Spin-Polarized Tunneling ▶     David Coffey, José Luis Diez-Ferrer, David Serrate et al.     High-density magnetic storage or quantum computing could be achieved using small magnets with large magnetic anisotropy, a requirement that rare-earth iron alloys fulfill in …             Intermediates in the cation reactions in solution probed by an in situ surface enhanced Raman scattering method ▶     Chih-Shan Tan, Hung-Ying Chen, Hsueh-Szu Chen et al.     For chemical reactions in liquid state, such as catalysis, understanding of dynamical changes is conducive to practical applications. Solvation of copper salts in aqueous …             Droplet Digital Enzyme-Linked Oligonucleotide Hybridization Assay for Absolute RNA Quantification ▶     Weihua Guan, Liben Chen, Tushar D. Rane et al.     We present a continuous-flow droplet-based digital Enzyme-Linked Oligonucleotide Hybridization Assay (droplet digital ELOHA) for sensitive detection and absolute quantification …             Electrically Tunable and Negative Schottky Barriers in Multi-layered Graphene/MoS2 Heterostructured Transistors ▶     Dongri Qiu, Eun Kyu Kim     We fabricated multi-layered graphene/MoS2 heterostructured devices by positioning mechanically exfoliated bulk graphite and single-crystalline 2H-MoS2 onto Au metal pads on a SiO2…             Anisotropic thermoelectric behavior in armchair and zigzag mono- and fewlayer MoS2 in thermoelectric generator applications ▶     Abbas Arab, Qiliang Li     In this work, we have studied thermoelectric properties of monolayer and fewlayer MoS2 in both armchair and zigzag orientations. Density functional theory (DFT) using …             Tailoring optical complex field with spiral blade plasmonic vortex lens ▶     Guanghao Rui, Qiwen Zhan, Yiping Cui     Optical complex fields have attracted increasing interests because of the novel effects and phenomena arising from the spatially inhomogeneous state of polarizations and optical …             Unravelling the origin of the giant Zn deficiency in wurtzite type ZnO nanoparticles ▶     Adèle Renaud, Laurent Cario, Xavier Rocquelfelte et al.     Owing to its high technological importance for optoelectronics, zinc oxide received much attention. In particular, the role of defects on its physical properties has been …             K-factor image deshadowing for three-dimensional fluorescence microscopy ▶     Tali Ilovitsh, Aryeh Weiss, Amihai Meiri et al.     The ability to track single fluorescent particles within a three dimensional (3D) cellular environment can provide valuable insights into cellular processes. In this paper, we …             An information-theoretic model for link prediction in complex networks ▶     Boyao Zhu, Yongxiang Xia     Various structural features of networks have been applied to develop link prediction methods. However, because different features highlight different aspects of network …             Self-assembled large scale metal alloy grid patterns as flexible transparent conductive layers ▶     Melinda Mohl, Aron Dombovari, Robert Vajtai et al.     The development of scalable synthesis techniques for optically transparent, electrically conductive coatings is in great demand due to the constantly increasing market price and …             Generalized Kirchhoff-Law-Johnson-Noise (KLJN) secure key exchange system using arbitrary resistors ▶     Gergely Vadai, Robert Mingesz, Zoltan Gingl     The Kirchhoff-Law-Johnson-Noise (KLJN) secure key exchange system has been introduced as a simple, very low cost and efficient classical physical alternative to quantum key …             Symmetry issues in the hybridization of multi-mode waves with resonators: an example with Lamb waves metamaterial ▶     Matthieu Rupin, Philippe Roux, Geoffroy Lerosey et al.     Locally resonant metamaterials derive their effective properties from hybridization between their resonant unit cells and the incoming wave. This phenomenon is well understood in …             Novel approach for label free super-resolution imaging in far field ▶     Sergey A. Alexandrov, James McGrath, Hrebesh Subhash et al.     Progress in the emerging areas of science and technology, such as bio- and nano-technologies, depends on development of corresponding techniques for imaging and probing the …             Granular friction: Triggering large events with small vibrations ▶     Henri Lastakowski, Jean-Christophe Géminard, Valérie Vidal     Triggering large-scale motion by imposing vibrations to a system can be encountered in many situations, from daily-life shaking of saltcellar to silo unclogging or dynamic …             Self-organization of waves and pulse trains by molecular motors in cellular protrusions ▶     A. Yochelis, S. Ebrahim, B. Millis et al.     Actin-based cellular protrusions are an ubiquitous feature of cells, performing a variety of critical functions ranging from cell-cell communication to cell motility. The …             Mixed gaits in small avian terrestrial locomotion ▶     Emanuel Andrada, Daniel Haase, Yefta Sutedja et al.     Scientists have historically categorized gaits discretely (e.g. regular gaits such as walking, running). However, previous results suggest that animals such as birds might mix or …             The generalized Shockley-Queisser limit for nanostructured solar cells ▶     Yunlu Xu, Tao Gong, Jeremy N. Munday     The Shockley-Queisser limit describes the maximum solar energy conversion efficiency achievable for a particular material and is the standard by which new photovoltaic …             Europium Luminescence: Electronic Densities and Superdelocalizabilities for a Unique Adjustment of Theoretical Intensity Parameters ▶     José Diogo L. Dutra, Nathalia B. D. Lima, Ricardo O. Freire et al.     We advance the concept that the charge factors of the simple overlap model and the polarizabilities of Judd-Ofelt theory for the luminescence of europium complexes can be …             Ultralow threading dislocation density in GaN epilayer on near-strain-free GaN compliant buffer layer and its applications in hetero-epitaxial LEDs ▶     Huan-Yu Shih, Makoto Shiojiri, Ching-Hsiang Chen et al.     High threading dislocation (TD) density in GaN-based devices is a long unresolved problem because of the large lattice mismatch between GaN and the substrate, which causes a …             Diverse lattice dynamics in ternary Cu-Sb-Se compounds ▶     Wujie Qiu, Lihua Wu, Xuezhi Ke et al.     Searching and designing materials with extremely low lattice thermal conductivity (LTC) has attracted considerable attention in material sciences. Here we systematically …             Robust and highly performant ring detection algorithm for 3d particle tracking using 2d microscope imaging ▶     Eldad Afik     Three-dimensional particle tracking is an essential tool in studying dynamics under the microscope, namely, fluid dynamics in microfluidic devices, bacteria taxis, cellular …             Erratum: Strategical incoherence regulates cooperation in social dilemmas on multiplex networks ▶     Joan T. Matamalas, Julia Poncela-Casasnovas, Sergio Gómez et al.                 Inversed Vernier effect based single-mode laser emission in coupled microdisks ▶     Meng Li, Nan Zhang, Kaiyang Wang et al.     Recently, on-chip single-mode laser emissions in coupled microdisks have attracted considerable research attention due to their wide applications. While most of single-mode …             Dissolution-and-reduction CVD synthesis of few-layer graphene on ultra-thin nickel film lifted off for mode-locking fiber lasers ▶     Kaung-Jay Peng, Yung-Hsiang Lin, Chung-Lun Wu et al.     The in-situ dissolution-and-reduction CVD synthesized few-layer graphene on ultra-thin nickel catalyst film is demonstrated at temperature as low as 550 °C, which can be employed …             Polyhedral Palladium–Silver Alloy Nanocrystals as Highly Active and Stable Electrocatalysts for the Formic Acid Oxidation Reaction ▶     Geng-Tao Fu, Chang Liu, Qi Zhang et al.     Polyhedral noble–metal nanocrystals have received much attention and wide applications as electrical and optical devices as well as catalysts. In this work, a straightforward and …             Time Circular Birefringence in Time-Dependent Magnetoelectric Media ▶     Ruo-Yang Zhang, Yan-Wang Zhai, Shi-Rong Lin et al.     Light traveling in time-dependent media has many extraordinary properties which can be utilized to convert frequency, achieve temporal cloaking, and simulate cosmological …             Experimental Demonstration of a Synthetic Lorentz Force by Using Radiation Pressure ▶     N. Šantić, T. Dubček, D. Aumiler et al.     Synthetic magnetism in cold atomic gases opened the doors to many exciting novel physical systems and phenomena. Ubiquitous are the methods used for the creation of synthetic …             The roles of Eu during the growth of eutectic Si in Al-Si alloys ▶     Jiehua Li, Fredrik Hage, Manfred Wiessner et al.     Controlling the growth of eutectic Si and thereby modifying the eutectic Si from flake-like to fibrous is a key factor in improving the properties of Al-Si alloys. To date, it is …             Reconfigurable multi-scale colloidal assembly on excluded volume patterns ▶     Tara D. Edwards, Yuguang Yang, W. Neil Everett et al.     The ability to create multi-scale, periodic colloidal assemblies with unique properties is important to emerging applications. Dynamically manipulating colloidal structures via …             Nonlinear increase of X-ray intensities from thin foils irradiated with a 200 TW femtosecond laser ▶     A. Ya. Faenov, J. Colgan, S. B. Hansen et al.     We report, for the first time, that the energy of femtosecond optical laser pulses, E, with relativistic intensities I > 1021  W/cm2 is efficiently converted to X-ray radiation, …             Formation and stabilization of the telomeric antiparallel G-quadruplex and inhibition of telomerase by novel benzothioxanthene derivatives with anti-tumor activity ▶     Wen Zhang, Min Chen, Yan Ling Wu et al.     G-quadruplexes formed in telomeric DNA sequences at human chromosome ends can be a novel target for the development of therapeutics for the treatment of cancer patients. Herein, …             Systematic Dimensionality Reduction for Quantum Walks: Optimal Spatial Search and Transport on Non-Regular Graphs ▶     Leonardo Novo, Shantanav Chakraborty, Masoud Mohseni et al.     Continuous time quantum walks provide an important framework for designing new algorithms and modelling quantum transport and state transfer problems. Often, the graph …             Imaging transplanted stem cells in real time using an MRI dual-contrast method ▶     Ethel J. Ngen, Lee Wang, Yoshinori Kato et al.     Stem cell therapies are currently being investigated for the repair of brain injuries. Although exogenous stem cell labelling with superparamagnetic iron oxide nanoparticles …             Multiplexed In-cell Immunoassay for Same-sample Protein Expression Profiling ▶     Jing Shang, Pavel Zrazhevskiy, Nadia Postupna et al.     In-cell immunoassays have become a valuable tool for protein expression analysis complementary to established assay formats. However, comprehensive molecular characterization of …             Motion Driven by Strain Gradient Fields ▶     Chao Wang, Shaohua Chen     A new driving mechanism for direction-controlled motion of nano-scale objects is proposed, based on a model of stretching a graphene strip linked to a rigid base with linear …             Photoluminescence of monovalent indium centres in phosphate glass ▶     Hirokazu Masai, Yasuhiro Yamada, Shun Okumura et al.     Valence control of polyvalent cations is important for functionalization of various kinds of materials. Indium oxides have been used in various applications, such as indium tin …             Light intensity modulation by coccoliths of Emiliania huxleyi as a micro-photo-regulator ▶     Yuri Mizukawa, Yuito Miyashita, Manami Satoh et al.     In this study, we present experimental evidence showing that coccoliths have light-scattering anisotropy that contributes to a possible control of solar light exposure in the …             Corrigendum: Selecting water-alcohol mixed solvent for synthesis of polydopamine nano-spheres using solubility parameter ▶     Xiaoli Jiang, Yinling Wang, Maoguo Li                 AGM2015: Antineutrino Global Map 2015 ▶     S.M. Usman, G.R. Jocher, S.T. Dye et al.     Every second greater than 1025 antineutrinos radiate to space from Earth, shining like a faint antineutrino star. Underground antineutrino detectors have revealed the rapidly …             Transmission and full-band coherent detection of polarization-multiplexed all-optical Nyquist signals generated by Sinc-shaped Nyquist pulses ▶     Junwen Zhang, Jianjun Yu, Nan Chi     All optical method is considered as a promising technique for high symbol rate Nyquist signal generation, which has attracted a lot of research interests for high …             Carrier density effect on recombination in PTB7-based solar cell ▶     Yutaka Moritomo, Kouhei Yonezawa, Takeshi Yasuda     Organic solar cells (OSCs) are promising alternatives to the conventional inorganic solar cells due to their low-cost processing and compatibility with flexible substrates. The …             Ultraviolet Lasers Realized via Electrostatic Doping Method ▶     X. Y. Liu, C. X. Shan, H. Zhu et al.     P-type doping of wide-bandgap semiconductors has long been a challenging issue for the relatively large activation energy and strong compensation of acceptor states in these …             Clusters in sedimentation equilibrium for an experimental hard-sphere-plus-dipolar Brownian colloidal system ▶     Hugh D. Newman, Anand Yethiraj     In this work, we use structure and dynamics in sedimentation equilibrium, in the presence of gravity, to examine, via confocal microscopy, a Brownian colloidal system in the …             Segmented molecular design of self-healing proteinaceous materials ▶     Veikko Sariola, Abdon Pena-Francesch, Huihun Jung et al.     Hierarchical assembly of self-healing adhesive proteins creates strong and robust structural and interfacial materials, but understanding of the molecular design and …             Understanding Phase-Change Memory Alloys from a Chemical Perspective ▶     A.V. Kolobov, P. Fons, J. Tominaga     Phase-change memories (PCM) are associated with reversible ultra-fast low-energy crystal-to-amorphous switching in GeTe-based alloys co-existing with the high stability of the …             Quantitative analysis on electric dipole energy in Rashba band splitting ▶     Jisook Hong, Jun-Won Rhim, Changyoung Kim et al.     We report on quantitative comparison between the electric dipole energy and the Rashba band splitting in model systems of Bi and Sb triangular monolayers under a perpendicular …             Remote control of magnetostriction-based nanocontacts at room temperature ▶     S. Narayana Jammalamadaka, Sebastian Kuntz, Oliver Berg et al.     The remote control of the electrical conductance through nanosized junctions at room temperature will play an important role in future nano-electromechanical systems and …             Nanomesh electrode on MgZnO-based metal-semiconductor-metal ultraviolet photodetectors ▶     Ching-Ting Lee, Heng-Yu Lin, Chun-Yen Tseng     In this work, the nano-scaled mesh electrodes are fabricated by obliquely depositing metals through the highly ordered polystyrene nanosphere mask. Furthermore, the intrinsic …             Domain wall of a ferromagnet on a three-dimensional topological insulator ▶     Ryohei Wakatsuki, Motohiko Ezawa, Naoto Nagaosa     Topological insulators (TIs) show rich phenomena and functions which can never be realized in ordinary insulators. Most of them come from the peculiar surface or edge states. …             Single-point position and transition defects in continuous time quantum walks ▶     Z. J. Li, J. B. Wang     We present a detailed analysis of continuous time quantum walks (CTQW) with both position and transition defects defined at a single point in the line. Analytical solutions of …             Evidence of Filamentary Switching in Oxide-based Memory Devices via Weak Programming and Retention Failure Analysis ▶     Adnan Younis, Dewei Chu, Sean Li     Further progress in high-performance microelectronic devices relies on the development of novel materials and device architectures. However, the components and designs that are …             Temperature-Dependent Asymmetry of Anisotropic Magnetoresistance in Silicon p-n Junctions ▶     D. Z. Yang, T. Wang, W. B. Sui et al.     We report a large but asymmetric magnetoresistance in silicon p-n junctions, which contrasts with the fact of magnetoresistance being symmetric in magnetic metals and …             Trends in (LaMnO3)n/(SrTiO3)m superlattices with varying layer thicknesses ▶     J. Jilili, F. Cossu, U. Schwingenschlögl     We investigate the thickness dependence of the structural, electronic, and magnetic properties of (LaMnO3)n/(SrTiO3)m (n, m = 2, 4, 6, 8) superlattices using density functional …             Silica bioreplication preserves three-dimensional spheroid structures of human pluripotent stem cells and HepG2 cells ▶     Yan-Ru Lou, Liisa Kanninen, Bryan Kaehr et al.     Three-dimensional (3D) cell cultures produce more in vivo-like multicellular structures such as spheroids that cannot be obtained in two-dimensional (2D) cell cultures. Thus, …             Stable magnesium peroxide at high pressure ▶     Sergey S. Lobanov, Qiang Zhu, Nicholas Holtgrewe et al.     Rocky planets are thought to comprise compounds of Mg and O as these are among the most abundant elements, but knowledge of their stable phases may be incomplete. MgO is known to …             One-Step Synthesis of Chiral Oxindole-type Analogues with Potent Anti-inflammatory and Analgesic Activities ▶     Yulong Sun, Jia Liu, Xianxing Jiang et al.     Here we report a facile approach to synthesize highly optically active oxindole-type analogues with both high yield and enantioselectivity. This single-step synthesis strategy …             The Synergetic Coupling among the Cellular Antioxidants Glutathione Peroxidase/Peroxiredoxin and Other Antioxidants and its Effect on the Concentration of H2O2 ▶     Hamid Molavian, Ali Madani Tonekaboni, Mohammad Kohandel et al.     Glutathione peroxidase (GPx), peroxiredoxin (Prx), and catalase are the major antioxidants at the cellular level and protect cell compartments against hydrogen peroxide (H2O2). …             Thermosensitive hydrogel containing dexamethasone micelles for preventing postsurgical adhesion in a repeated-injury model ▶     Qinjie Wu, Ning Wang, Tao He et al.     Tissue adhesion is a common complication after surgery. 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