Scientific Reports Physics Table of Contents e-alert: 30 June 2015

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30 June 2015      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Carbon Nanotube Driver Circuit for 6 × 6 Organic Light Emitting Diode Display ▶     Jianping Zou, Kang Zhang, Jingqi Li et al.     Single-walled carbon nanotube (SWNT) is expected to be a very promising material for flexible and transparent driver circuits for active matrix organic light emitting diode (AM …             Entropic Uncertainty Relation and Information Exclusion Relation for multiple measurements in the presence of quantum memory ▶     Jun Zhang, Yang Zhang, Chang-shui Yu     The Heisenberg uncertainty principle shows that no one can specify the values of the non-commuting canonically conjugated variables simultaneously. However, the uncertainty …             Thickness of a metallic film, in addition to its roughness, plays a significant role in SERS activity ▶     Changwon Lee, Christopher S. Robertson, An H. Nguyen et al.     In this paper we evaluate the effect of roughness and thickness of silver film substrates, fabricated on glass and polydimethylsiloxane (PDMS) templates, on surface-enhanced …             Dimensional crossover in the quantum transport behaviour of the natural topological insulator Aleksite ▶     Pascal Gehring, Kristina Vaklinova, Alexander Hoyer et al.     Three-dimensional topological insulators comprise topologically protected surface states displaying massless, Dirac-like linear dispersion with spin-momentum locking. Electrical …             Dispersive growth and laser-induced rippling of large-area singlelayer MoS2 nanosheets by CVD on c-plane sapphire substrate ▶     Hongfei Liu, Dongzhi Chi     Vapor-phase growth of large-area two-dimensional (2D) MoS2 nanosheets via reactions of sulfur with MoO3 precursors vaporized and transferred from powder sources onto a target …             Direct measurement on the geometric phase of a double quantum dot qubit via quantum point contact device ▶     Bao Liu, Feng-Yang Zhang, Jie Song et al.     We propose a direct measurement scheme to read out the geometric phase of a coupled double quantum dot system via a quantum point contact(QPC) device. An effective expression of …             Permethyl Cobaltocenium (Cp*2Co+) as an Ultra-Stable Cation for Polymer Hydroxide-Exchange Membranes ▶     Shuang Gu, Junhua Wang, Robert B. Kaspar et al.     Hydroxide (OH−)-exchange membranes (HEMs) are important polymer electrolytes enabling the use of affordable and earth-abundant electrocatalysts for electrochemical …             Fast, multi-frequency, and quantitative nanomechanical mapping of live cells using the atomic force microscope ▶     Alexander X. Cartagena-Rivera, Wen-Horng Wang, Robert L. Geahlen et al.     A longstanding goal in cellular mechanobiology has been to link dynamic biomolecular processes underpinning disease or morphogenesis to spatio-temporal changes in nanoscale …             Quantifying the Antiviral Effect of IFN on HIV-1 Replication in Cell Culture ▶     Hiroki Ikeda, Ana Godinho-Santos, Sylvie Rato et al.     Type-I interferons (IFNs) induce the expression of hundreds of cellular genes, some of which have direct antiviral activities. Although IFNs restrict different steps of HIV …             Toxicity of aged gasoline exhaust particles to normal and diseased airway epithelia ▶     Lisa Künzi, Manuel Krapf, Nancy Daher et al.     Particulate matter (PM) pollution is a leading cause of premature death, particularly in those with pre-existing lung disease. A causative link between particle properties and …             Cortical actin networks induce spatio-temporal confinement of phospholipids in the plasma membrane – a minimally invasive investigation by STED-FCS ▶     Débora M. Andrade, Mathias P. Clausen, Jan Keller et al.     Important discoveries in the last decades have changed our view of the plasma membrane organisation. Specifically, the cortical cytoskeleton has emerged as a key modulator of the …             Detection and mapping of illicit drugs and their metabolites in fingermarks by MALDI MS and compatibility with forensic techniques ▶     G. Groeneveld, M. de Puit, S. Bleay et al.     Despite the proven capabilities of Matrix Assisted Laser Desorption Ionisation Mass Spectrometry (MALDI MS) in laboratory settings, research is still needed to integrate this …             High thermopower of mechanically stretched single-molecule junctions ▶     Makusu Tsutsui, Takanori Morikawa, Yuhui He et al.     Metal-molecule-metal junction is a promising candidate for thermoelectric applications that utilizes quantum confinement effects in the chemically defined zero-dimensional atomic …             A comparison of light-harvesting performance of silicon nanocones and nanowires for radial-junction solar cells ▶     Yingfeng Li, Meicheng Li, Pengfei Fu et al.     Silicon nanorod based radial-junction solar cells are competitive alternatives to traditional planar silicon solar cells. In various silicon nanorods, nanocone is always …             Extrinsic Origin of Persistent Photoconductivity in Monolayer MoS2 Field Effect Transistors ▶     Yueh-Chun Wu, Cheng-Hua Liu, Shao-Yu Chen et al.     Recent discoveries of the photoresponse of molybdenum disulfide (MoS2) have shown the considerable potential of these two-dimensional transition metal dichalcogenides for …             Coexisting and mixing phenomena of thermoacoustic and magnetoacoustic waves in water ▶     Xiaohua Feng, Fei Gao, Rahul Kishor et al.     Concurrent generation and mixing phenomenon of thermoacoustic (TA) and magnetoacoustic (MA) waves in water are predicted and observed. A theory unifying TA and MA is further put …             Realizing Tunable Inverse and Normal Doppler Shifts in Reconfigurable RF Metamaterials ▶     Jia Ran, Yewen Zhang, Xiaodong Chen et al.     The Doppler effect has well-established applications in astronomy, medicine, radar and metrology. Recently, a number of experimental demonstrations of the inverse Doppler effect …             Impacts of propagating, frustrated and surface modes on radiative, electrical and thermal losses in nanoscale-gap thermophotovoltaic power generators ▶     Michael P. Bernardi, Olivier Dupré, Etienne Blandre et al.     The impacts of radiative, electrical and thermal losses on the performances of nanoscale-gap thermophotovoltaic (nano-TPV) power generators consisting of a gallium antimonide …             Precise Control of the Number of Layers of Graphene by Picosecond Laser Thinning ▶     Zhe Lin, Xiaohui Ye, Jinpeng Han et al.     The properties of graphene can vary as a function of the number of layers (NOL). Controlling the NOL in large area graphene is still challenging. In this work, we demonstrate a …             Tuning the Electronic Structure of Anatase Through Fluorination ▶     Dario Corradini, Damien Dambournet, Mathieu Salanne     A highly fluorinated anatase lattice has been recently reported, providing a new class of materials whose general chemical formula is Ti1−x□xX4xO2−4x (X− = F− or OH−). To …             Temperature-independent polymer optical fiber evanescent wave sensor ▶     Nianbing Zhong, Qiang Liao, Xun Zhu et al.     Although the numerous advantages of polymer optical fibers have been exploited in the fields of sensors and telecommunications, such fibers still experience a critical problem: …             Using white noise to gate organic transistors for dynamic monitoring of cultured cell layers ▶     Jonathan Rivnay, Pierre Leleux, Adel Hama et al.     Impedance sensing of biological systems allows for monitoring of cell and tissue properties, including cell-substrate attachment, layer confluence, and the “tightness” of an …             Plasmonic Toroidal Dipolar Response under Radially Polarized Excitation ▶     Yanjun Bao, Xing Zhu, Zheyu Fang     Plasmonic toroidal resonance has attracted growing interests because of its low loss electromagnetic properties and potential high sensitive nanophotonic applications. However, …             Microelectromechanically tunable multiband metamaterial with preserved isotropy ▶     Prakash Pitchappa, Chong Pei Ho, You Qian et al.     We experimentally demonstrate a micromachined reconfigurable metamaterial with polarization independent characteristics for multiple resonances in terahertz spectral region. The …             Electronic and magnetism properties of two-dimensional stacked nickel hydroxides and nitrides ▶     Xiao-Lin Wei, Zhen-Kun Tang, Gen-Cai Guo et al.     Two-dimensional (2D) layered materials receive a lot of attention because of their outstanding intrinsic properties and wide applications. In this work, the structural, …             Preparation by alkaline treatment and detailed characterisation of empty hepatitis B virus core particles for vaccine and gene therapy applications ▶     Arnis Strods, Velta Ose, Janis Bogans et al.     Hepatitis B virus (HBV) core (HBc) virus-like particles (VLPs) are one of the most powerful protein engineering tools utilised to expose immunological epitopes and/or …             Structural, energetic, and dynamic insights into the abnormal xylene separation behavior of hierarchical porous crystal ▶     Jiao-Min Lin, Chun-Ting He, Pei-Qin Liao et al.     Separation of highly similar molecules and understanding the underlying mechanism are of paramount theoretical and practical importance, but visualization of the host-guest …             Effect of Variation in hemorheology between human and animal blood on the binding efficacy of vascular-targeted carriers ▶     K. Namdee, M. Carrasco-Teja, M. B. Fish et al.     Animal models are extensively used to evaluate the in vivo functionality of novel drug delivery systems (DDS). However, many variations likely exist in vivo between the animals …             Ion transport through electrolyte/polyelectrolyte multi-layers ▶     Robert Femmer, Ali Mani, Matthias Wessling     Ion transport of multi-ionic solutions through layered electrolyte and polyelectrolyte structures are relevant in a large variety of technical systems such as micro and …             Preparation of Graphene-Modified Acupuncture Needle and Its Application in Detecting Neurotransmitters ▶     Lina Tang, Danxin Du, Fan Yang et al.     We report a unique nanosensing platform by combining modern nanotechnology with traditional acupuncture needle to prepare graphene-modified acupuncture needle (G-AN), and using …             Spider wrapping silk fibre architecture arising from its modular soluble protein precursor ▶     Marie-Laurence Tremblay, Lingling Xu, Thierry Lefèvre et al.     Spiders store spidroins in their silk glands as high concentration aqueous solutions, spinning these dopes into fibres with outstanding mechanical properties. Aciniform (or …             Beyond Gisin’s Theorem and its Applications: Violation of Local Realism by Two-Party Einstein-Podolsky-Rosen Steering ▶     Jing-Ling Chen, Hong-Yi Su, Zhen-Peng Xu et al.     We demonstrate here that for a given mixed multi-qubit state if there are at least two observers for whom mutual Einstein-Podolsky-Rosen steering is possible, i.e. each observer …             Demonstrating quantum contextuality of indistinguishable particles by a single family of noncontextuality inequalities ▶     Hong-Yi Su, Jing-Ling Chen, Yeong-Cherng Liang     Quantum theory has the intriguing feature that is inconsistent with noncontextual hidden variable models, for which the outcome of a measurement does not depend on which other …             Erratum: Novel structural phases and superconductivity of iridium telluride under high pressures ▶     Bin Li, Guiqin Huang, Jian Sun et al.                 Ultrathin Carbon with Interspersed Graphene/Fullerene-like Nanostructures: A Durable Protective Overcoat for High Density Magnetic Storage ▶     Neeraj Dwivedi, Nalam Satyanarayana, Reuben J. Yeo et al.     One of the key issues for future hard disk drive technology is to design and develop ultrathin (<2 nm) overcoats with excellent wear- and corrosion protection and high thermal …             A new mechanism for low and temperature-independent elastic modulus ▶     Liangxiang Zhang, Dong Wang, Xiaobing Ren et al.     The first Elinvar alloy, FeNiCr, which has invariant elastic modulus over a wide temperature range, was discovered almost 100 years ago by Guillaume. The physical origin of such …             Lifetime Reduction and Enhanced Emission of Single Photon Color Centers in Nanodiamond via Surrounding Refractive Index Modification ▶     Asma Khalid, Kelvin Chung, Ranjith Rajasekharan et al.     The negatively-charged nitrogen vacancy (NV−) center in diamond is of great interest for quantum information processing and quantum key distribution applications due to its …             The Missing Memristor has Not been Found ▶     Sascha Vongehr, Xiangkang Meng     In 1971, not only the theoretical and by definition already existing ‘ideal memristor’ concept was introduced, but a real memristor device was suggested on grounds of the already …             Experimental Realization of Extreme Heat Flux Concentration with Easy-to-Make Thermal Metamaterials ▶     Fei Chen, Dang Yuan Lei     The ability to harvest thermal energy and manipulate heat fluxes has recently attracted a great deal of research interest because this is critical to achieve efficient …             Revealing patterns of local species richness along environmental gradients with a novel network tool ▶     Mara Baudena, Angel Sánchez, Co-Pierre Georg et al.     How species richness relates to environmental gradients at large extents is commonly investigated aggregating local site data to coarser grains. However, such relationships often …             Photon Devil’s staircase: photon long-range repulsive interaction in lattices of coupled resonators with Rydberg atoms ▶     Yuanwei Zhang, Jingtao Fan, J.-Q. Liang et al.     The realization of strong coherent interactions between individual photons is a long-standing goal in science and engineering. In this report, based on recent experimental …             Scattering of Sculpted Light in Intact Brain Tissue, with implications for Optogenetics ▶     Itia A. Favre-Bulle, Daryl Preece, Timo A. Nieminen et al.     Optogenetics uses light to control and observe the activity of neurons, often using a focused laser beam. As brain tissue is a scattering medium, beams are distorted and spread …             Hierarchical Assembly of SnO2/ZnO Nanostructures for Enhanced Photocatalytic Performance ▶     Liangliang Zhu, Minghui Hong, Ghim Wei Ho     SnO2/ZnO hierarchical heterostructures have been successfully synthesized by combining electrospinning technique and hydrothermal method. Various morphologies of the secondary …             Nanopore sensing of individual transcription factors bound to DNA ▶     Allison Squires, Evrim Atas, Amit Meller     Transcription factor (TF)-DNA interactions are the primary control point in regulation of gene expression. Characterization of these interactions is essential for understanding …             An Alternative Phosphorylation Switch in Integrin β2 (CD18) Tail for Dok1 Binding ▶     Sebanti Gupta, Joel Chia-Yeong Chit, Chen Feng et al.     Integrins are involved in cell migration and adhesion. A large number of proteins interact with the cytoplasmic tails of integrins. Dok1 is a negative regulator of integrin …             Achieving synchronization with active hybrid materials: Coupling self-oscillating gels and piezoelectric films ▶     Victor V. Yashin, Steven P. Levitan, Anna C. Balazs     Lightweight, deformable materials that can sense and respond to human touch and motion can be the basis of future wearable computers, where the material itself will be capable of …             Controlled synthesis of series NixCo3-xO4 products: Morphological evolution towards quasi-single-crystal structure for high-performance and stable lithium-ion batteries ▶     Yu Zhou, Yong Liu, Wenxia Zhao et al.     Transition metal oxides are very promising alternative anode materials for high-performance lithium-ion batteries (LIBs). However, their conversion reactions and concomitant …             In situ imaging and proteome profiling indicate andrographolide is a highly promiscuous compound ▶     Lin Li, Hadhi Wijaya, Sanjay Samanta et al.     Natural products represent an enormous source of pharmacologically useful compounds, and are often used as the starting point in modern drug discovery. Many biologically …             Tribological performance of Graphene/Carbon nanotube hybrid reinforced Al2O3 composites ▶     Bahareh Yazdani, Fang Xu, Iftikhar Ahmad et al.     Tribological performance of the hot-pressed pure Al2O3 and its composites containing various hybrid contents of graphene nanoplatelets (GNPs) and carbon nanotubes (CNTs) were …             Realization of Multi-Stable Ground States in a Nematic Liquid Crystal by Surface and Electric Field Modification ▶     Jin Seog Gwag, Young-Ki Kim, Chang Hoon Lee et al.     Owing to the significant price drop of liquid crystal displays (LCDs) and the efforts to save natural resources, LCDs are even replacing paper to display static images such as …             Effect of gamma irradiation on the wear behaviour of human tooth enamel ▶     Ping Qing, Shengbin Huang, ShanShan Gao et al.     Radiotherapy is a frequently used treatment for oral cancer. Extensive research has been conducted to detect the mechanical properties of dental hard tissues after irradiation at …             Power generating reflective-type liquid crystal displays using a reflective polariser and a polymer solar cell ▶     Yoon Ho Huh, Byoungchoo Park     We herein report the results of a study of a power generating reflective-type liquid crystal display (LCD), composed of a 90° twisted nematic (TN) LC cell attached to the top of …             Tailoring low-dimensional structures of bismuth on monolayer epitaxial graphene ▶     H.-H. Chen, S. H. Su, S.-L. Chang et al.     To improve graphene-based multifunctional devices at nanoscale, a stepwise and controllable fabrication procedure must be elucidated. Here, a series of structural transition of …             Tunable room-temperature ferromagnet using an iron-oxide and graphene oxide nanocomposite ▶     Aigu L. Lin, J. N. B. Rodrigues, Chenliang Su et al.     Magnetic materials have found wide application ranging from electronics and memories to medicine. Essential to these advances is the control of the magnetic order. To date, most …             Group velocity mismatch-absent nonlinear frequency conversions for mid-infrared femtosecond pulses generation ▶     Haizhe Zhong, Lifu Zhang, Ying Li et al.     A novel group velocity mismatch (GVM) absent scheme for nonlinear optical parametric procedure in mid-infrared was developed with type-I quasi phase matching by use of an …             Novel VN/C nanocomposites as methanol-tolerant oxygen reduction electrocatalyst in alkaline electrolyte ▶     K. Huang, K. Bi, C. Liang et al.     A novel VN/C nanostructure consisting of VN nanoparticles and graphite-dominant carbon layers is synthesized by nitridation of V2O5 using melamine as reductant under inert …             Universal elastic-hardening-driven mechanical instability in α-quartz and quartz homeotypes under pressure ▶     Juncai Dong, Hailiang Zhu, Dongliang Chen     As a fundamental property of pressure-induced amorphization (PIA) in ice and ice-like materials (notably α-quartz), the occurrence of mechanical instability can be related to …             Large and Tunable Polar-Toroidal Coupling in Ferroelectric Composite Nanowires toward Superior Electromechanical Responses ▶     W. J. Chen, Yue Zheng, Biao Wang     The collective dipole behaviors in (BaTiO3)m/(SrTiO3)n composite nanowires are investigated based on the first-principles-derived simulations. It demonstrates that such nanowire …             Burning Graphene Layer-by-Layer ▶     Victor A. Ermakov, Andrei V. Alaferdov, Alfredo R. Vaz et al.     Graphene, in single layer or multi-layer forms, holds great promise for future electronics and high-temperature applications. Resistance to oxidation, an important property for …             Fabrication of nanoscale Ga balls via a Coulomb explosion of microscale silica-covered Ga balls by TEM electron-beam irradiation ▶     Ying Chen, Yanli Huang, Nishuang Liu et al.     Nanoscale Ga particles down to 5 nm were fabricated by an explosion via an in situ electron-beam irradiation on microscale silica-covered Ga balls in a transmission electron …             Zeno dynamics in quantum open systems ▶     Yu-Ran Zhang, Heng Fan     Quantum Zeno effect shows that frequent observations can slow down or even stop the unitary time evolution of an unstable quantum system. This effect can also be regarded as a …             Origin of photovoltaic effect in superconducting YBa2Cu3O6.96 ceramics ▶     F. Yang, M. Y. Han, F. G. Chang     We report remarkable photovoltaic effect in YBa2Cu3O6.96 (YBCO) ceramic between 50 and 300 K induced by blue-laser illumination, which is directly related to the …             ZnO nanowires array grown on Ga-doped ZnO single crystal for dye-sensitized solar cells ▶     Qichang Hu, Yafeng Li, Feng Huang et al.     High quality ZnO nanowires arrays were homoepitaxial grown on Ga-doped ZnO single crystal (GZOSC), which have the advantages of high conductivity, high carrier mobility and high …             Suppression of non-radiative surface recombination by N incorporation in GaAs/GaNAs core/shell nanowires ▶     Shula L. Chen, Weimin M. Chen, Fumitaro Ishikawa et al.     III-V semiconductor nanowires (NWs) such as GaAs NWs form an interesting artificial materials system promising for applications in advanced optoelectronic and photonic devices, …             Enhanced Evaporation Strength through Fast Water Permeation in Graphene-Oxide Deposition ▶     Wei Li Tong, Wee-Jun Ong, Siang-Piao Chai et al.     The unique characteristic of fast water permeation in laminated graphene oxide (GO) sheets has facilitated the development of ultrathin and ultrafast nanofiltration membranes. …             A predictive machine learning approach for microstructure optimization and materials design ▶     Ruoqian Liu, Abhishek Kumar, Zhengzhang Chen et al.     This paper addresses an important materials engineering question: How can one identify the complete space (or as much of it as possible) of microstructures that are theoretically …             Towards combinatorial mixing devices without any pumps by open-capillary channels: fundamentals and applications ▶     Marie Tani, Ryuji Kawano, Koki Kamiya et al.     In chemistry, biology, medical sciences and pharmaceutical industries, many reactions have to be checked by transporting and mixing expensive liquids. For such purposes, …             Latent progenitor cells as potential regulators for tympanic membrane regeneration ▶     Seung Won Kim, Jangho Kim, Hoon Seonwoo et al.     Tympanic membrane (TM) perforation, in particular chronic otitis media, is one of the most common clinical problems in the world and can present with sensorineural healing loss. …             Unsupervised segmentation of low-contrast multichannel images: discrimination of tissue components in microscopic images of unstained specimens ▶     Ivica Kopriva, Marijana Popović Hadžija, Mirko Hadžija et al.     Low-contrast images, such as color microscopic images of unstained histological specimens, are composed of objects with highly correlated spectral profiles. Such images are very …             Kinetics of protein-ligand unbinding via smoothed potential molecular dynamics simulations ▶     Luca Mollica, Sergio Decherchi, Syeda Rehana Zia et al.     Drug discovery is expensive and high-risk. Its main reasons of failure are lack of efficacy and toxicity of a drug candidate. 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