Scientific Reports Physics Table of Contents e-alert: 19 May 2015

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19 May 2015      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports               Physical Sciences               Structures of the metallic and superconducting high pressure phases of solid CS2 ▶     Niloofar Zarifi, Hanyu Liu, John S. Tse     First principles structural prediction and molecular dynamics (MD) calculations have been performed to examine the structures responsible for the recently reported metallic and …             Enhanced optical transmission and Fano resonance through a nanostructured metal thin film ▶     Bo Xiao, Sangram K. Pradhan, Kevin C. Santiago et al.     Artificial and engineered nanostructures expand the degrees of freedom with which one can manipulate the intricate interplay of light and matter. Certain nanostructural …             Highly efficient and stable organic light-emitting diodes with a greatly reduced amount of phosphorescent emitter ▶     Hirohiko Fukagawa, Takahisa Shimizu, Taisuke Kamada et al.     Organic light-emitting diodes (OLEDs) have been intensively studied as a key technology for next-generation displays and lighting. The efficiency of OLEDs has improved markedly in …             Time-dependent mechanical-electrical coupled behavior in single crystal ZnO nanorods ▶     Yong-Jae Kim, Tae Gwang Yun, In-Chul Choi et al.     Nanoscale time-dependent mechanical-electrical coupled behavior of single crystal ZnO nanorods was systematically explored, which is essential for accessing the long-term …             Anomalous Spectral Features of a Neutral Bilayer Graphene ▶     C.-M. Cheng, L.F. Xie, A. Pachoud et al.     Graphene and its bilayer are two-dimensional systems predicted to show exciting many-body effects near the neutrality point. The ideal tool to investigate spectrum reconstruction …             Large-scale parallel alignment of platelet-shaped particles through gravitational sedimentation ▶     Sebastian Behr, Ulla Vainio, Martin Müller et al.     Parallel and concentric alignment of microscopic building blocks into several orders of magnitude larger structures is commonly observed in nature. However, if similarly aligned …             3D hierarchical assembly of ultrathin MnO2 nanoflakes on silicon nanowires for high performance micro-supercapacitors in Li- doped ionic liquid ▶     Deepak P. Dubal, David Aradilla, Gérard Bidan et al.     Building of hierarchical core-shell hetero-structures is currently the subject of intensive research in the electrochemical field owing to its potential for making improved …             Fractal Nature of Metallic and Insulating Domain Configurations in a VO2 Thin Film Revealed by Kelvin Probe Force Microscopy ▶     Ahrum Sohn, Teruo Kanki, Kotaro Sakai et al.     We investigated the surface work function (WS) and its spatial distribution for epitaxial VO2/TiO2 thin films using Kelvin probe force microscopy (KPFM). Nearly …             Low-energy Resistive Random Access Memory Devices with No Need for a Compliance Current ▶     Zedong Xu, Lina Yu, Yong Wu et al.     A novel resistive random access memory device is designed with SrTiO3/ La2/3Sr1/3MnO3 (LSMO)/MgAl2O4 (MAO)/Cu structure, in which metallic epitaxial LSMO is employed as the …             Substantial improvement of perovskite solar cells stability by pinhole-free hole transport layer with doping engineering ▶     Min-Cherl Jung, Sonia R. Raga, Luis K. Ono et al.     We fabricated perovskite solar cells using a triple-layer of n-type doped, intrinsic, and p-type doped 2,2′,7,7′-tetrakis(N,N′-di-p-methoxyphenylamine)-9,9′-spirobifluorene …             Strain in a silicon-on-insulator nanostructure revealed by 3D x-ray Bragg ptychography ▶     V. Chamard, M. Allain, P. Godard et al.     Progresses in the design of well-defined electronic band structure and dedicated functionalities rely on the high control of complex architectural device nano-scaled structures. …             Emergent Complex Network Geometry ▶     Zhihao Wu, Giulia Menichetti, Christoph Rahmede et al.     Networks are mathematical structures that are universally used to describe a large variety of complex systems such as the brain or the Internet. Characterizing the geometrical …             Single-cell Migration Chip for Chemotaxis-based Microfluidic Selection of Heterogeneous Cell Populations ▶     Yu-Chih Chen, Steven G. Allen, Patrick N. Ingram et al.     Tumor cell migration toward and intravasation into capillaries is an early and key event in cancer metastasis, yet not all cancer cells are imbued with the same capability to do …             Radial Wettable Gradient of Hot Surface to Control Droplets Movement in Directions ▶     Shile Feng, Sijie Wang, Yuanhao Tao et al.     A radial wettable gradient was fabricated on the surface of graphite plate by a simple one-step anodic oxidation process. It was found that the direction and value of the …             Conductivity of Nanowire Arrays under Random and Ordered Orientation Configurations ▶     Milind Jagota, Nelson Tansu     A computational model was developed to analyze electrical conductivity of random metal nanowire networks. It was demonstrated for the first time through use of this model that a …             Prediction of Prostate Cancer Recurrence Using Quantitative Phase Imaging ▶     Shamira Sridharan, Virgilia Macias, Krishnarao Tangella et al.     The risk of biochemical recurrence of prostate cancer among individuals who undergo radical prostatectomy for treatment is around 25%. Current clinical methods often fail at …             Fast and fully-scalable synthesis of reduced graphene oxide ▶     Sina Abdolhosseinzadeh, Hamed Asgharzadeh, Hyoung Seop Kim     Exfoliation of graphite is a promising approach for large-scale production of graphene. Oxidation of graphite effectively facilitates the exfoliation process, yet necessitates …             Simple structured hybrid WOLEDs based on incomplete energy transfer mechanism: from blue exciplex to orange dopant ▶     Tianyou Zhang, Bo Zhao, Bei Chu et al.     Exciplex is well known as a charge transfer state formed between electron-donating and electron-accepting molecules. However, exciplex based organic light emitting diodes (OLED) …             Realization of a micrometre-scale spin-wave interferometer ▶     O. Rousseau, B. Rana, R. Anami et al.     The recent development of spin dynamics opens perspectives for various applications based on spin waves, including logic devices. The first important step in the realization of …             Tailoring Plasmonic Enhanced Upconversion in Single NaYF4:Yb3+/Er3+ Nanocrystals ▶     Ya-Lan Wang, Nasim Mohammadi Estakhri, Amber Johnson et al.     By using silver nanoplatelets with a widely tunable localized surface plasmon resonance (LSPR), and their corresponding local field enhancement, here we show large manipulation …             Ultralight boron nitride aerogels via template-assisted chemical vapor deposition ▶     Yangxi Song, Bin Li, Siwei Yang et al.     Boron nitride (BN) aerogels are porous materials with a continuous three-dimensional network structure. They are attracting increasing attention for a wide range of applications. …             Colossal positive magnetoresistance in surface-passivated oxygen-deficient strontium titanite ▶     Adrian David, Yufeng Tian, Ping Yang et al.     Modulation of resistance by an external magnetic field, i.e. magnetoresistance effect, has been a long-lived theme of research due to both fundamental science and device …             Flexible conformable hydrophobized surfaces for turbulent flow drag reduction ▶     Joseph C Brennan, Nicasio R Geraldi, Robert H Morris et al.     In recent years extensive work has been focused onto using superhydrophobic surfaces for drag reduction applications. Superhydrophobic surfaces retain a gas layer, called a …             A biochemical network can control formation of a synthetic material by sensing numerous specific stimuli ▶     Ju Hun Yeon, Karen Y. T. Chan, Ting-Chia Wong et al.     Developing bio-compatible smart materials that assemble in response to environmental cues requires strategies that can discriminate multiple specific stimuli in a complex milieu. …             Enzyme-activated intracellular drug delivery with tubule clay nanoformulation ▶     Maria R. Dzamukova, Ekaterina A. Naumenko, Yuri M. Lvov et al.     Fabrication of stimuli-triggered drug delivery vehicle s is an important milestone in treating cancer. Here we demonstrate the selective anticancer drug delivery into human cells …             Notes on stochastic (bio)-logic gates: computing with allosteric cooperativity ▶     Elena Agliari, Matteo Altavilla, Adriano Barra et al.     Recent experimental breakthroughs have finally allowed to implement in-vitro reaction kinetics (the so called enzyme based logic) which code for two-inputs logic gates and mimic …             Morphological Characterisation of Unstained and Intact Tissue Micro-architecture by X-ray Computed Micro- and Nano-Tomography ▶     Lucy A. Walton, Robert S. Bradley, Philip J. Withers et al.     Characterisation and quantification of tissue structures is limited by sectioning-induced artefacts and by the difficulties of visualising and segmenting 3D volumes. Here we …             Low-Cost, Disposable, Flexible and Highly Reproducible Screen Printed SERS Substrates for the Detection of Various Chemicals ▶     Wei Wu, Li Liu, Zhigao Dai et al.     Ideal SERS substrates for sensing applications should exhibit strong signal enhancement, generate a reproducible and uniform response, and should be able to fabricate in …             Extraordinary Capability for Water Treatment Achieved by a Perfluorous Conjugated Microporous Polymer ▶     Rui-Xia Yang, Ting-Ting Wang, Wei-Qiao Deng     Oils, organic solvents, dyes, and heavy metal ions are primary pollutants in water resources. Currently, no sorbent material can effectively remove these types of pollutants …             Metrology of confined flows using wide field nanoparticle velocimetry ▶     Hubert Ranchon, Vincent Picot, Aurélien Bancaud     The manipulation of fluids in micro/nanofabricated systems opens new avenues to engineer the transport of matter at the molecular level. Yet the number of methods for the in situ …             Manipulating Steady Heat Conduction by Sensu-shaped Thermal Metamaterials ▶     Tiancheng Han, Xue Bai, Dan Liu et al.     The ability to design the control of heat flow has innumerable benefits in the design of electronic systems such as thermoelectric energy harvesters, solid-state lighting, and …             Silver (I) as DNA glue: Ag+-mediated guanine pairing revealed by removing Watson-Crick constraints ▶     Steven M. Swasey, Leonardo Espinosa Leal, Olga Lopez-Acevedo et al.     Metal ion interactions with DNA have far-reaching implications in biochemistry and DNA nanotechnology. Ag+ is uniquely interesting because it binds exclusively to the bases …             Multivalent Aptamer/Gold Nanoparticle–Modified Graphene Oxide for Mass Spectrometry–Based Tumor Tissue Imaging ▶     Rong-Cing Huang, Wei-Jane Chiu, Irving Po-Jung Lai et al.     The protein mucin1 (MUC1) is an attractive target for cancer biomarkers because it is overexpressed in most adenocarcinomas. In this study, we exploited a MUC1-binding aptamer …             Short-range order of compressed amorphous GeSe2 ▶     L. Properzi, A. Di Cicco, L. Nataf et al.     The structure of amorphous GeSe2 (a-GeSe2) has been studied by means of a combination of two-edges X-ray absorption spectroscopy (XAS) and angle-dispersive X-ray diffraction …             Magnetic Transition to Antiferromagnetic Phase in Gadolinium Substituted Topological Insulator Bi2Te3 ▶     Jinsu Kim, Kyujoon Lee, Toshiro Takabatake et al.     There are many interests to achieve long-range magnetic order in topological insulators of Bi2Se3 or Bi2Te3 by doping magnetic transition metals such as Fe and Mn. The transition …             Quantitative investigation of the poly-adenine DNA dissociation from the surface of gold nanoparticles ▶     Weiwen Lu, Lihua Wang, Jiang Li et al.     In recent years, poly adenine (polyA) DNA functionalized gold nanoparticles (AuNPs) free of modifications was fabricated with high density of DNA attachment and high …             Inherently Stealthy and Highly Tumor-Selective Gold Nanoraspberries for Photothermal Cancer Therapy ▶     Naveen Gandra, Christopher Portz, Saide Z. Nergiz et al.     Owing to their unique optical properties such as large absorption and scattering cross section and large enhancement of electromagnetic field at the surface, plasmonic …             Ultra-broadband and strongly enhanced diffraction with metasurfaces ▶     Yong Zhang, Lin Zhou, Jia-qi Li et al.     Enhanced high-order diffractions which are spatially dispersive are desirable in such as spectroscopy studies, thin-film solar cells, etc. Conventionally, the dielectric gratings …             Achieving high energy absorption capacity in cellular bulk metallic glasses ▶     S. H. Chen, K. C. Chan, F. F. Wu et al.     Cellular bulk metallic glasses (BMGs) have exhibited excellent energy-absorption performance by inheriting superior strength from the parent BMGs. However, how to achieve high …             On the superposition principle in interference experiments ▶     Aninda Sinha, Aravind H. Vijay, Urbasi Sinha     The superposition principle is usually incorrectly applied in interference experiments. This has recently been investigated through numerics based on Finite Difference Time …             Finding and tracing human MSC in 3D microenvironments with the photoconvertible protein Dendra2 ▶     Hugo R. Caires, Maria Gomez-Lazaro, Carla M. Oliveira et al.     Mesenchymal Stem/Stromal Cells (MSC) are a promising cell type for cell-based therapies - from tissue regeneration to treatment of autoimmune diseases - due to their capacity to …             Multiscale Modeling of Drug-induced Effects of ReDuNing Injection on Human Disease: From Drug Molecules to Clinical Symptoms of Disease ▶     Fang Luo, Jiangyong Gu, Xinzhuang Zhang et al.     ReDuNing injection (RDN) is a patented traditional Chinese medicine, and the components of it were proven to have antiviral and important anti-inflammatory activities. Several …             Soft X-Ray Microscopy Radiation Damage On Fixed Cells Investigated With Synchrotron Radiation FTIR Microscopy ▶     A. Gianoncelli, L. Vaccari, G. Kourousias et al.     Radiation damage of biological samples remains a limiting factor in high resolution X-ray microscopy (XRM). Several studies have attempted to evaluate the extent and the effects …             On-chip passive three-port circuit of all-optical ordered-route transmission ▶     Li Liu, Jianji Dong, Dingshan Gao et al.     On-chip photonic circuits of different specific functions are highly desirable and becoming significant demands in all-optical communication network. Especially, the function to …             A theoretical investigation of mixing thermodynamics, age-hardening potential, and electronic structure of ternary M11–xM2xB2 alloys with AlB2 type structure ▶     B. Alling, H. Högberg, R. Armiento et al.     Transition metal diborides are ceramic materials with potential applications as hard protective thin films and electrical contact materials. We investigate the possibility to …             Conductivity-limiting bipolar thermal conductivity in semiconductors ▶     Shanyu Wang, Jiong Yang, Trevor Toll et al.     Intriguing experimental results raised the question about the fundamental mechanisms governing the electron-hole coupling induced bipolar thermal conduction in semiconductors. …             Local electrical control of magnetic order and orientation by ferroelastic domain arrangements just above room temperature ▶     L. C. Phillips, R. O. Cherifi, V. Ivanovskaya et al.     Ferroic materials (ferromagnetic, ferroelectric, ferroelastic) usually divide into domains with different orientations of their order parameter. Coupling between different …             Regulation of burstiness by network-driven activation ▶     Guillermo García-Pérez, Marián Boguñá, M. Ángeles Serrano     We prove that complex networks of interactions have the capacity to regulate and buffer unpredictable fluctuations in production events. We show that non-bursty network-driven …             Reliability of neuronal information conveyed by unreliable neuristor-based leaky integrate-and-fire neurons: a model study ▶     Hyungkwang Lim, Vladimir Kornijcuk, Jun Yeong Seok et al.     We conducted simulations on the neuronal behavior of neuristor-based leaky integrate-and-fire (NLIF) neurons. The phase-plane analysis on the NLIF neuron highlights its spiking …             Nano titania aided clustering and adhesion of beneficial bacteria to plant roots to enhance crop growth and stress management ▶     N. G. M. Palmqvist, S. Bejai, J. Meijer et al.     A novel use of Titania nanoparticles as agents in the nano interface interaction between a beneficial plant growth promoting bacterium (Bacillus amyloliquefaciens UCMB5113) and …             Label-Free Capacitance-Based Identification of Viruses ▶     Mahmoud Al Ahmad, Farah Mustafa, Lizna M. Ali et al.     This study was undertaken to quantitate a single virus suspension in culture medium without any pre-processing. The electrical capacitance per virus particle was used to identify …             Large enhancement of superconducting transition temperature of SrBi3 induced by Na substitution for Sr ▶     Akira Iyo, Yousuke Yanagi, Tatsuya Kinjo et al.     The Matthias rule, which is an empirical correlation between the superconducting transition temperature (Tc) and the average number of valence electrons per atom (n) in alloys …             Polymer immobilized Cu(I) formation and azide-alkyne cycloaddition: A one pot reaction ▶     Rafique Ul Islam, Abu Taher, Meenakshi Choudhary et al.     During the polymerization of aniline using copper sulphate, act as an oxidizing agent, the in-situ synthesized Cu(I) ion catalyzed the cyclo-addition between azides and alkynes. …             Nanoconfinement induced crystal orientation and large piezoelectric coefficient in vertically aligned P(VDF-TrFE) nanotube array ▶     Weng Heng Liew, Meysam Sharifzadeh Mirshekarloo, Shuting Chen et al.     Vertically aligned piezoelectric P(VDF-TrFE) nanotube array comprising nanotubes embedded in anodized alumina membrane matrix without entanglement has been fabricated. It is found …             Avoiding drying-artifacts in transmission electron microscopy: Characterizing the size and colloidal state of nanoparticles ▶     Benjamin Michen, Christoph Geers, Dimitri Vanhecke et al.     Standard transmission electron microscopy nanoparticle sample preparation generally requires the complete removal of the suspending liquid. Drying often introduces artifacts, …             Deterministic control of broadband light through a multiply scattering medium via the multispectral transmission matrix ▶     Daria Andreoli, Giorgio Volpe, Sébastien Popoff et al.     We present a method to measure the spectrally-resolved transmission matrix of a multiply scattering medium, thus allowing for the deterministic spatiospectral control of a …             Quantum controlled-phase-flip gate between a flying optical photon and a Rydberg atomic ensemble ▶     Y. M. Hao, G. W. Lin, Keyu Xia et al.     Quantum controlled-phase-flip (CPF) gate between a flying photon qubit and a stationary atomic qubit could allow the linking of distant computational nodes in a quantum network. …             Hierarchical Nanostructures Self-Assembled from a Mixture System Containing Rod-Coil Block Copolymers and Rigid Homopolymers ▶     Yongliang Li, Tao Jiang, Shaoliang Lin et al.     Self-assembly behavior of a mixture system containing rod-coil block copolymers and rigid homopolymers was investigated by using Brownian dynamics simulations. The morphologies …             Phase-contrast zoom tomography reveals precise locations of macrophages in mouse lungs ▶     Martin Krenkel, Andrea Markus, Matthias Bartels et al.     We have performed x-ray phase-contrast tomography on mouse lung tissue. Using a divergent x-ray beam generated by nanoscale focusing, we used zoom tomography to produce …             Tipping points and early warning signals in the genomic composition of populations induced by environmental changes ▶     Jacobo Aguirre, Susanna Manrubia     We live in an ever changing biosphere that faces continuous and often stressing environmental challenges. From this perspective, much effort is currently devoted to understanding …             Low-temperature direct copper-to-copper bonding enabled by creep on (111) surfaces of nanotwinned Cu ▶     Chien-Min Liu, Han-Wen Lin, Yi-Sa Huang et al.     Direct Cu-to-Cu bonding was achieved at temperatures of 150–250 °C using a compressive stress of 100 psi (0.69 MPa) held for 10–60 min at 10−3 torr. The key controlling parameter …             Convertible MRI contrast: Sensing the delivery and release of anti-glioma nano-drugs ▶     Liang Zhang, Zhongwei Zhang, Ralph P. Mason et al.     There is considerable interest in developing nanohybrids of imaging contrast agents and drugs for image-guided drug delivery. We have developed a strategy of utilizing manganese …             Low-cost photodynamic therapy devices for global health settings: Characterization of battery-powered LED performance and smartphone imaging in 3D tumor models ▶     Joshua Hempstead, Dustin P. Jones, Abdelali Ziouche et al.     A lack of access to effective cancer therapeutics in resource-limited settings is implicated in global cancer health disparities between developed and developing countries. …             Citric Acid Enhanced Copper Removal by a Novel Multi-amines Decorated Resin ▶     Chen Ling, Fuqiang Liu, Zhiguo Pei et al.     Cu removal by a novel multi-amines decorated resin (PAMD) from wastewater in the absence or presence of citric acid (CA) was examined. Adsorption capacity of Cu onto PAMD …             Skin Rejuvenation with Non-Invasive Pulsed Electric Fields ▶     Alexander Golberg, Saiqa Khan, Vasily Belov et al.     Degenerative skin diseases affect one third of individuals over the age of sixty. 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