Scientific Reports Table of Contents e-alert: 17 June 2014

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17 June 2014      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports             Jump to the content that matters to you ▼ Biological Sciences   ▼ Chemical Sciences   ▼ Physical Sciences   ▼ Earth & Environmental Sciences   ▼ Health Sciences               Biological Sciences ▲ top               A computational model unifies apparently contradictory findings concerning phantom pain ▶     Kim J. Boström, Marc H. E. de Lussanet, Thomas Weiss et al.     Amputation often leads to painful phantom sensations, whose pathogenesis is still unclear. Supported by experimental findings, an explanatory model has been proposed that …             Extending the viability of acute brain slices ▶     Yossi Buskila, Paul P. Breen, Jonathan Tapson et al.     The lifespan of an acute brain slice is approximately 6–12 hours, limiting potential experimentation time. We have designed a new recovery incubation system capable of extending …             Is ostension any more than attention? ▶     Joanna Szufnarowska, Katharina J. Rohlfing, Christine Fawcett et al.     According to natural pedagogy theory, infants are sensitive to particular ostensive cues that communicate to them that they are being addressed and that they can expect to learn …             Behavioural screening of zebrafish using neuroactive traditional Chinese medicine prescriptions and biological targets ▶     Ya-Nan Wang, Yuan-Yuan Hou, Ming-Zhu Sun et al.     The mechanism of the therapeutic action of antidepressants remains uncertain in traditional Chinese medicine (TCM). In this study, we selected 7 classical TCM prescriptions and …             Computational Analysis of Enhanced Magnetic Bioseparation in Microfluidic Systems with Flow-Invasive Magnetic Elements ▶     S. A. Khashan, A. Alazzam, E. P. Furlani     A microfluidic design is proposed for realizing greatly enhanced separation of magnetically-labeled bioparticles using integrated soft-magnetic elements. The elements are fixed …             MicroRNA-33b knock-in mice for an intron of sterol regulatory element-binding factor 1 (Srebf1) exhibit reduced HDL-C in vivo ▶     Takahiro Horie, Tomohiro Nishino, Osamu Baba et al.     MicroRNAs (miRs) are small non-protein-coding RNAs that bind to specific mRNAs and inhibit translation or promote mRNA degradation. Recent reports, including ours, indicated that …             CORRIGENDUM: Adaptor protein complexes-1 and 3 are involved at distinct stages of flavivirus life-cycle ▶     Tanvi Agrawal, Peter Schu, Guruprasad R. Medigeshi                 A method to identify and validate mitochondrial modulators using mammalian cells and the worm C. elegans ▶     Pénélope A. Andreux, Laurent Mouchiroud, Xu Wang et al.     Mitochondria are semi-autonomous organelles regulated by a complex network of proteins that are vital for many cellular functions. Because mitochondrial modulators can impact many …             Gibberellin deficiency pleiotropically induces culm bending in sorghum: an insight into sorghum semi-dwarf breeding ▶     Reynante L. Ordonio, Yusuke Ito, Asako Hatakeyama et al.     Regulation of symmetrical cell growth in the culm is important for proper culm development. So far, the involvement of gibberellin (GA) in this process has not yet been …             Synchrony and motor mimicking in chimpanzee observational learning ▶     Delia Fuhrmann, Andrea Ravignani, Sarah Marshall-Pescini et al.     Cumulative tool-based culture underwrote our species' evolutionary success, and tool-based nut-cracking is one of the strongest candidates for cultural transmission in our closest …             Omics-based interpretation of synergism in a soil-derived cellulose-degrading microbial community ▶     Yizhuang Zhou, Phillip B. Pope, Shaochun Li et al.     Reaching a comprehensive understanding of how nature solves the problem of degrading recalcitrant biomass may eventually allow development of more efficient biorefining processes. …             Tug-of-war of microtubule filaments at the boundary of a kinesin- and dynein-patterned surface ▶     Junya Ikuta, Nagendra K. Kamisetty, Hirofumi Shintaku et al.     Intracellular cargo is transported by multiple motor proteins. Because of the force balance of motors with mixed polarities, cargo moves bidirectionally to achieve biological …             DJ-1 contributes to adipogenesis and obesity-induced inflammation ▶     Jung-Min Kim, Hyun-Jun Jang, Soo Youn Choi et al.     Adipose tissue functions as an endocrine organ, and the development of systemic inflammation in adipose tissue is closely associated with metabolic diseases, such as obesity and …             A reversal of fortunes: climate change ‘winners’ and ‘losers’ in Antarctic Peninsula penguins ▶     Gemma V. Clucas, Michael J. Dunn, Gareth Dyke et al.     Climate change is a major threat to global biodiversity. Antarctic ecosystems are no exception. Investigating past species responses to climatic events can distinguish natural …             A pollen-specific calmodulin-binding protein, NPG1, interacts with putative pectate lyases ▶     Sung-Bong Shin, Maxim Golovkin, Anireddy S. N. Reddy     Previous genetic studies have revealed that a pollen-specific calmodulin-binding protein, No Pollen Germination 1 (NPG1), is required for pollen germination. However, its mode of …             Molecular Analysis of β-Lactamase Genes to Understand their Differential Expression in Strains of Yersinia enterocolitica Biotype 1A ▶     Neelja Singhal, Manish Kumar, Jugsharan Singh Virdi     Beta-lactams are used as major therapeutic agents against a number of infectious agents. Due to widespread use of β-lactams, β-lactamases have evolved at a rapid pace leading to …             Tongue adhesion in the horned frog Ceratophrys sp. ▶     Thomas Kleinteich, Stanislav N. Gorb     Frogs are well-known to capture elusive prey with their protrusible and adhesive tongues. However, the adhesive performance of frog tongues and the mechanism of the contact …             Fully automated high-throughput chromatin immunoprecipitation for ChIP-seq: Identifying ChIP-quality p300 monoclonal antibodies ▶     William C. Gasper, Georgi K. Marinov, Florencia Pauli-Behn et al.     Chromatin immunoprecipitation coupled with DNA sequencing (ChIP-seq) is the major contemporary method for mapping in vivo protein-DNA interactions in the genome. It identifies …             Richness and Diversity in Dust Stormborne Biomes at the Southeast Mediterranean ▶     Itzhak Katra, Luba Arotsker, Helena Krasnov et al.     Dust storms include particulate matter that is transported over land and sea with biota that could impact downwind ecosystems. In addition to the physico-chemical compositions, …             Spatial Elucidation of Spinal Cord Lipid- and Metabolite- Regulations in Amyotrophic Lateral Sclerosis ▶     Jörg Hanrieder, Andrew G. Ewing     Amyotrophic lateral sclerosis (ALS) is a devastating, rapidly progressing disease of the central nervous system that is characterized by motor neuron degeneration in the brain …             Stable acetate production in extreme-thermophilic (70°C) mixed culture fermentation by selective enrichment of hydrogenotrophic methanogens ▶     Fang Zhang, Yan Zhang, Jing Ding et al.     The control of metabolite production is difficult in mixed culture fermentation. This is particularly related to hydrogen inhibition. In this work, hydrogenotrophic methanogens …             The largest Silurian vertebrate and its palaeoecological implications ▶     Brian Choo, Min Zhu, Wenjin Zhao et al.     An apparent absence of Silurian fishes more than half-a-metre in length has been viewed as evidence that gnathostomes were restricted in size and diversity prior to the Devonian. …             Preliminary Study on Retinal Vascular and Oxygen-related Changes after Long-term Silicone Oil and Foldable Capsular Vitreous Body Tamponade ▶     Wei Yang, Yongguang Yuan, Yao Zong et al.     Silicone oil has been the only long-term vitreous substitute used in the treatment of retinal detachment since 1962 by Cibis. Nevertheless, its effects on retinal vascular …             Identification of temozolomide resistance factors in glioblastoma via integrative miRNA/mRNA regulatory network analysis ▶     Lotte Hiddingh, Rajiv S. Raktoe, Judith Jeuken et al.     Drug resistance is a major issue in the treatment of glioblastoma. Almost all glioblastomas are intrinsically resistant to chemotherapeutic temozolomide (TMZ) or develop …             Parathyroid hormone and parathyroid hormone type-1 receptor accelerate myocyte differentiation ▶     Shigemi Kimura, Kowasi Yoshioka     The ZHTc6-MyoD embryonic stem cell line expresses the myogenic transcriptional factor MyoD under the control of a tetracycline-inducible promoter. Following induction, most of the …             Expression of human solute carrier family transporters in skin: possible contributor to drug-induced skin disorders ▶     Ryoichi Fujiwara, Saya Takenaka, Mitsuhiro Hashimoto et al.     Solute carrier (SLC) transporters play important roles in absorption and disposition of drugs in cells; however, the expression pattern of human SLC transporters in the skin has …             Bemisia tabaci Q carrying tomato yellow leaf curl virus strongly suppresses host plant defenses ▶     Xiaobin Shi, Huipeng Pan, Hongyi Zhang et al.     The concurrence of tomato yellow leaf curl virus (TYLCV) with the spread of its vector Bemisia tabaci Q rather than B in China suggests a more mutualistic relationship between …             Separating the wheat from the chaff – a strategy to utilize plant genetic resources from ex situ genebanks ▶     Jens Keilwagen, Benjamin Kilian, Hakan Özkan et al.     The need for higher yielding and better-adapted crop plants for feeding the world's rapidly growing population has raised the question of how to systematically utilize large …             Cutting-Edge Analysis of Extracellular Microparticles using ImageStreamX Imaging Flow Cytometry ▶     Sarah E. Headland, Hefin R. Jones, Adelina S. V. D'Sa et al.     Interest in extracellular vesicle biology has exploded in the past decade, since these microstructures seem endowed with multiple roles, from blood coagulation to inter-cellular …             The maximum specific hydrogen-producing activity of anaerobic mixed cultures: definition and determination ▶     Yang Mu, Hou-Yun Yang, Ya-Zhou Wang et al.     Fermentative hydrogen production from wastes has many advantages compared to various chemical methods. Methodology for characterizing the hydrogen-producing activity of anaerobic …             Quantity and accessibility for specific targeting of receptors in tumours ▶     Sajid Hussain, Maria Rodriguez-Fernandez, Gary B. Braun et al.     Synaphic (ligand-directed) targeting of drugs is an important potential new approach to drug delivery, particularly in oncology. Considerable success with this approach has been …             A novel proteasome inhibitor suppresses tumor growth via targeting both 19S proteasome deubiquitinases and 20S proteolytic peptidases ▶     Ningning Liu, Chunjiao Liu, Xiaofen Li et al.     The successful development of bortezomib-based therapy for treatment of multiple myeloma has established proteasome inhibition as an effective therapeutic strategy, and both 20S …                 NOW AVAILABLE: Discounts on lab equipment Savings and information - all in one place!   Check Marketplace before you buy Browse LAB OFFERS and PRODUCT FOCUS          Chemical Sciences ▲ top               In-situ electrochemically deposited polypyrrole nanoparticles incorporated reduced graphene oxide as an efficient counter electrode for platinum-free dye-sensitized solar cells ▶     Su Pei Lim, Alagarsamy Pandikumar, Yee Seng Lim et al.     This paper reports a rapid and in-situ electrochemical polymerization method for the fabrication of polypyrrole nanoparticles incorporated reduced graphene oxide (rGO@PPy) …             Raman spectroscopy explores molecular structural signatures of hidden materials in depth: Universal Multiple Angle Raman Spectroscopy ▶     Sanchita Sil, Siva Umapathy     Non-invasive 3D imaging in materials and medical research involves methodologies such as X-ray imaging, MRI, fluorescence and optical coherence tomography, NIR absorption imaging, …             Properties of the plant- and manure-derived biochars and their sorption of dibutyl phthalate and phenanthrene ▶     Mengyi Qiu, Ke Sun, Jie Jin et al.     The properties of plant residue-derived biochars (PLABs) and animal waste-derived biochars (ANIBs) obtained at low and high heating treatment temperatures (300 and 450°C) as well …             All-graphene-battery: bridging the gap between supercapacitors and lithium ion batteries ▶     Haegyeom Kim, Kyu-Young Park, Jihyun Hong et al.     Herein, we propose an advanced energy-storage system: all-graphene-battery. It operates based on fast surface-reactions in both electrodes, thus delivering a remarkably high power …             Failure Processes in Embedded Monolayer Graphene under Axial Compression ▶     Charalampos Androulidakis, Emmanuel N. Koukaras, Otakar Frank et al.     Exfoliated monolayer graphene flakes were embedded in a polymer matrix and loaded under axial compression. By monitoring the shifts of the 2D Raman phonons of rectangular flakes …             Spatial Elucidation of Spinal Cord Lipid- and Metabolite- Regulations in Amyotrophic Lateral Sclerosis ▶     Jörg Hanrieder, Andrew G. Ewing     Amyotrophic lateral sclerosis (ALS) is a devastating, rapidly progressing disease of the central nervous system that is characterized by motor neuron degeneration in the brain …             Branched Au Nanostructures Enriched with a Uniform Facet: Facile Synthesis and Catalytic Performances ▶     Mingshan Zhu, Bin Lei, Fangfang Ren et al.     Well–defined noble metal nanocrystals (NMNCs) of a unique morphology yet a uniform facet have attracted broad interests. In this regard, those with a highly branched architecture …             Ultrafast and Wide Range Analysis of DNA Molecules Using Rigid Network Structure of Solid Nanowires ▶     Sakon Rahong, Takao Yasui, Takeshi Yanagida et al.     Analyzing sizes of DNA via electrophoresis using a gel has played an important role in the recent, rapid progress of biology and biotechnology. Although analyzing DNA over a wide …                     Physical Sciences ▲ top               In-situ electrochemically deposited polypyrrole nanoparticles incorporated reduced graphene oxide as an efficient counter electrode for platinum-free dye-sensitized solar cells ▶     Su Pei Lim, Alagarsamy Pandikumar, Yee Seng Lim et al.     This paper reports a rapid and in-situ electrochemical polymerization method for the fabrication of polypyrrole nanoparticles incorporated reduced graphene oxide (rGO@PPy) …             Rechargeable Batteries with High Energy Storage Activated by In-situ Induced Fluorination of Carbon Nanotube Cathode ▶     Xinwei Cui, Jian Chen, Tianfei Wang et al.     High performance rechargeable batteries are urgently demanded for future energy storage systems. Here, we adopted a lithium-carbon battery configuration. Instead of using carbon …             Environmentally Benign Technology for Efficient Warm-White Light Emission ▶     Pin-Chun Shen, Ming-Shiun Lin, Ching-Fuh Lin     Nowadays efficient down conversion for white light emission is mainly based on rare-earth doped phosphors or cadmium-containing quantum dots. Although they exhibit high …             Raman spectroscopy explores molecular structural signatures of hidden materials in depth: Universal Multiple Angle Raman Spectroscopy ▶     Sanchita Sil, Siva Umapathy     Non-invasive 3D imaging in materials and medical research involves methodologies such as X-ray imaging, MRI, fluorescence and optical coherence tomography, NIR absorption imaging, …             Bulk metallic glass composite with good tensile ductility, high strength and large elastic strain limit ▶     Fu-Fa Wu, K. C. Chan, Song-Shan Jiang et al.     Bulk metallic glasses exhibit high strength and large elastic strain limit but have no tensile ductility. However, bulk metallic glass composites reinforced by in-situ dendrites …             Metallic resist for phase-change lithography ▶     Bi Jian Zeng, Jun Zhu Huang, Ri Wen Ni et al.     Currently, the most widely used photoresists in optical lithography are organic-based resists. The major limitations of such resists include the photon accumulation severely …             Computational Analysis of Enhanced Magnetic Bioseparation in Microfluidic Systems with Flow-Invasive Magnetic Elements ▶     S. A. Khashan, A. Alazzam, E. P. Furlani     A microfluidic design is proposed for realizing greatly enhanced separation of magnetically-labeled bioparticles using integrated soft-magnetic elements. The elements are fixed …             ERRATUM: Image Size Scalable Full-parallax Coloured Three-dimensional Video by Electronic Holography ▶     Hisayuki Sasaki, Kenji Yamamoto, Yasuyuki Ichihashi et al.                 All-graphene-battery: bridging the gap between supercapacitors and lithium ion batteries ▶     Haegyeom Kim, Kyu-Young Park, Jihyun Hong et al.     Herein, we propose an advanced energy-storage system: all-graphene-battery. It operates based on fast surface-reactions in both electrodes, thus delivering a remarkably high power …             Molecular weight dependent vertical composition profiles of PCDTBT:PC71BM blends for organic photovoltaics ▶     James W. Kingsley, Pier Paolo Marchisio, Hunan Yi et al.     We have used Soxhlet solvent purification to fractionate a broad molecular weight distribution of the polycarbazole polymer PCDTBT into three lower polydispersity molecular weight …             Drawing Circuits with Carbon Nanotubes: Scratch-Induced Graphoepitaxial Growth of Carbon Nanotubes on Amorphous Silicon Oxide Substrates ▶     Won Jin Choi, Yoon Jang Chung, Yun Ho Kim et al.     Controlling the orientations of nanomaterials on arbitrary substrates is crucial for the development of practical applications based on such materials. The aligned epitaxial …             Propulsion on a superhydrophobic ratchet ▶     Guillaume Dupeux, Philippe Bourrianne, Quentin Magdelaine et al.     Liquids in the Leidenfrost state were shown by Linke to self-propel if placed on ratchets. The vapour flow below the liquid rectified by the asymmetric teeth entrains levitating …             Performance Enhancement of Capacitive-Coupling Dual-gate Ion-Sensitive Field-Effect Transistor in Ultra-Thin-Body ▶     Hyun-June Jang, Won-Ju Cho     Recently, thin-film transistor based-ISFETs with the dual-gate (DG) structures have been proposed, in order to beat the Nernst response of the standard ISFET, utilizing diverse …             From mobile phone data to the spatial structure of cities ▶     Thomas Louail, Maxime Lenormand, Oliva G. Cantu Ros et al.     Pervasive infrastructures, such as cell phone networks, enable to capture large amounts of human behavioral data but also provide information about the structure of cities and …             Tug-of-war of microtubule filaments at the boundary of a kinesin- and dynein-patterned surface ▶     Junya Ikuta, Nagendra K. Kamisetty, Hirofumi Shintaku et al.     Intracellular cargo is transported by multiple motor proteins. Because of the force balance of motors with mixed polarities, cargo moves bidirectionally to achieve biological …             Properties of the plant- and manure-derived biochars and their sorption of dibutyl phthalate and phenanthrene ▶     Mengyi Qiu, Ke Sun, Jie Jin et al.     The properties of plant residue-derived biochars (PLABs) and animal waste-derived biochars (ANIBs) obtained at low and high heating treatment temperatures (300 and 450°C) as well …             Failure Processes in Embedded Monolayer Graphene under Axial Compression ▶     Charalampos Androulidakis, Emmanuel N. Koukaras, Otakar Frank et al.     Exfoliated monolayer graphene flakes were embedded in a polymer matrix and loaded under axial compression. By monitoring the shifts of the 2D Raman phonons of rectangular flakes …             Competition and cooperation between active intra-network and passive extra-network transport processes ▶     Dan Maruyama, Michal Zochowski     Many networks are embedded in physical space and often interact with it. This interaction can be exemplified through constraints exerted on network topology, or through …             Nucleation and growth mechanisms of hcp domains in compressed iron ▶     Wei-Wei Pang, Ping Zhang, Guang-Cai Zhang et al.     In our previous work, we have pointed out that the shock-induced phase transition in iron occurs with the help of interface energy which reduces the potential barrier between two …             Spreading of triboelectrically charged granular matter ▶     Deepak Kumar, A. Sane, Smita. Gohil et al.     We report on the spreading of triboelectrically charged glass particles on an oppositely charged surface of a plastic cylindrical container in the presence of a constant …             Bent waveguides for matter-waves: supersymmetric potentials and reflectionless geometries ▶     Adolfo del Campo, Malcolm G. Boshier, Avadh Saxena     Non-zero curvature in a waveguide leads to the appearance of an attractive quantum potential which crucially affects the dynamics in matter-wave circuits. Using methods of …             A novel multifunctional NiTi/Ag hierarchical composite ▶     Shijie Hao, Lishan Cui, Jiang Jiang et al.     Creating multifunctional materials is an eternal goal of mankind. As the properties of monolithic materials are necessary limited, one route to extending them is to create a …             A meta-substrate to enhance the bandwidth of metamaterials ▶     Hongsheng Chen, Zuojia Wang, Runren Zhang et al.     We propose the concept of a meta-substrate to broaden the bandwidth of left-handed metamaterials. The meta-substrate, which behaves like an inhomogeneous magnetic substrate, is …             Spatial Elucidation of Spinal Cord Lipid- and Metabolite- Regulations in Amyotrophic Lateral Sclerosis ▶     Jörg Hanrieder, Andrew G. Ewing     Amyotrophic lateral sclerosis (ALS) is a devastating, rapidly progressing disease of the central nervous system that is characterized by motor neuron degeneration in the brain …             Tongue adhesion in the horned frog Ceratophrys sp. ▶     Thomas Kleinteich, Stanislav N. Gorb     Frogs are well-known to capture elusive prey with their protrusible and adhesive tongues. However, the adhesive performance of frog tongues and the mechanism of the contact …             On the sustainability of an activity ▶     Daniel S. Zachary     This paper develops a framework to determine the sustainability of a general activity. We define an activity as an action or process that uses one or more resources and that …             Plasmonic quasicrystals with broadband transmission enhancement ▶     Sachin Kasture, Ajith P. Ravishankar, V. J. Yallapragada et al.     Plasmonic quasicrystals (PlQCs), by integrating the properties of quasicrystals (rotational symmetry and long range ordering but lack translational symmetry) and surface plasmon …             Tunable chiral spin texture in magnetic domain-walls ▶     J. H. Franken, M. Herps, H. J. M. Swagten et al.     Magnetic domain-walls (DWs) with a preferred chirality exhibit very efficient current-driven motion. Since structural inversion asymmetry (SIA) is required for their stability, …             Nonlinear optical imaging of defects in cubic silicon carbide epilayers ▶     Radu Hristu, Stefan G. Stanciu, Denis E. Tranca et al.     Silicon carbide is one of the most promising materials for power electronic devices capable of operating at extreme conditions. The widespread application of silicon carbide power …             Ultrafast and Wide Range Analysis of DNA Molecules Using Rigid Network Structure of Solid Nanowires ▶     Sakon Rahong, Takao Yasui, Takeshi Yanagida et al.     Analyzing sizes of DNA via electrophoresis using a gel has played an important role in the recent, rapid progress of biology and biotechnology. Although analyzing DNA over a wide …             Branched Au Nanostructures Enriched with a Uniform Facet: Facile Synthesis and Catalytic Performances ▶     Mingshan Zhu, Bin Lei, Fangfang Ren et al.     Well–defined noble metal nanocrystals (NMNCs) of a unique morphology yet a uniform facet have attracted broad interests. In this regard, those with a highly branched architecture …             The effect of La2O3 in Tm3+-doped germanate-tellurite glasses for ~2 μm emission ▶     Ya-Pei Peng, Xinqiang Yuan, Junjie Zhang et al.     A germanate-tellurite glass (GeO2-TeO2-K2O-Nb2O5-La2O3) with thulium doping has been investigated for application as a laser material around 2.0 μm regions. Under the 808 nm laser …             Plasmon-assisted radiolytic energy conversion in aqueous solutions ▶     Baek Hyun Kim, Jae W. Kwon     The field of conventional energy conversion using radioisotopes has almost exclusively focused on solid-state materials. Herein, we demonstrate that liquids can be an excellent …             Antiferromagnetic Slater Insulator Phase of Na2IrO3 ▶     Hyun-Jung Kim, Jun-Ho Lee, Jun-Hyung Cho     Using a hybrid density-functional theory (DFT) calculation including spin-orbit coupling (SOC), we predict that the zigzag antiferromagnetic (AFM) ground state of the honeycomb …             Topological quantum phase transitions and edge states in spin-orbital coupled Fermi gases ▶     Tao Zhou, Yi Gao, Z. D. Wang     We study superconducting states in the presence of spin-orbital coupling and Zeeman field. It is found that a phase transition from a Fulde-Ferrell-Larkin-Ovchinnikov state to the …             Large magnetoelectric coupling in magnetically short-range ordered Bi5Ti3FeO15 film ▶     Hongyang Zhao, Hideo Kimura, Zhenxiang Cheng et al.     Multiferroic materials, which offer the possibility of manipulating the magnetic state by an electric field or vice versa, are of great current interest. However, single-phase …             Robust ferromagnetism in monolayer chromium nitride ▶     Shunhong Zhang, Yawei Li, Tianshan Zhao et al.     Design and synthesis of two-dimensional (2D) materials with robust ferromagnetism and biocompatibility is highly desirable due to their potential applications in spintronics and …             Triadic motifs in the dependence networks of virtual societies ▶     Wen-Jie Xie, Ming-Xia Li, Zhi-Qiang Jiang et al.     In friendship networks, individuals have different numbers of friends, and the closeness or intimacy between an individual and her friends is heterogeneous. Using a statistical …             Single Shot Coherence Properties of the Free-Electron Laser SACLA in the Hard X-ray Regime ▶     Felix Lehmkühler, Christian Gutt, Birgit Fischer et al.     We measured the coherence properties of the free-electron laser SACLA on a single shot basis at an X-ray energy of 8 keV. By analysing small-angle X-ray scattering speckle …             Three-Dimensional Microstructural Imaging of Sulfur Poisoning-Induced Degradation in a Ni-YSZ Anode of Solid Oxide Fuel Cells ▶     William M. Harris, Jeffrey J. Lombardo, George J. Nelson et al.     Following exposure to ppm-level hydrogen sulfide at elevated temperatures, a section of a solid oxide fuel cell (SOFC) Ni-YSZ anode was examined using a combination of …             Optical excitation and external photoluminescence quantum efficiency of Eu3+ in GaN ▶     W. D. A. M. de Boer, C. McGonigle, T. Gregorkiewicz et al.     We investigate photoluminescence of Eu-related emission in a GaN host consisting of thin layers grown by organometallic vapor-phase epitaxy. By comparing it with a reference …             Raman scattering of linear chains of strongly coupled Ag nanoparticles on SWCNTs ▶     Jean-Christophe Valmalette, Zhenquan Tan, Hiroya Abe et al.     We compare the Raman scattering properties of hybrid nanostructures consisting of Ag nanoparticles (NPs) in disordered and aligned arrangements on single-walled carbon nanotubes …             Secure thermal infrared communications using engineered blackbody radiation ▶     Xiaoxin Liang, Fangjing Hu, Yuepeng Yan et al.     The thermal (emitted) infrared frequency bands, from 20–40 THz and 60–100 THz, are best known for applications in thermography. This underused and unregulated part of the spectral …             Performing private database queries in a real-world environment using a quantum protocol ▶     Philip Chan, Itzel Lucio-Martinez, Xiaofan Mo et al.     In the well-studied cryptographic primitive 1-out-of-N oblivious transfer, a user retrieves a single element from a database of size N without the database learning which element …             Measurement-device-independent quantum key distribution for Scarani-Acin-Ribordy-Gisin 04 protocol ▶     Akihiro Mizutani, Kiyoshi Tamaki, Rikizo Ikuta et al.     The measurement-device-independent quantum key distribution (MDI QKD) was proposed to make BB84 completely free from any side-channel in detectors. Like in prepare & measure QKD, …             Polymer ferroelectric field-effect memory device with SnO channel layer exhibits record hole mobility ▶     J. A. Caraveo-Frescas, M. A. Khan, H. N. Alshareef     Here we report for the first time a hybrid p-channel polymer ferroelectric field-effect transistor memory device with record mobility. The memory device, fabricated at 200°C on …             Quantity and accessibility for specific targeting of receptors in tumours ▶     Sajid Hussain, Maria Rodriguez-Fernandez, Gary B. Braun et al.     Synaphic (ligand-directed) targeting of drugs is an important potential new approach to drug delivery, particularly in oncology. Considerable success with this approach has been …               Earth & Environmental Sciences ▲ top               The air-sea interface and surface stress under tropical cyclones ▶     Alexander V. Soloviev, Roger Lukas, Mark A. Donelan et al.     Tropical cyclone track prediction is steadily improving, while storm intensity prediction has seen little progress in the last quarter century. Important physics are not yet well …             Volcanic conduit migration over a basement landslide at Mount Etna (Italy) ▶     I. Nicolosi, F. D'Ajello Caracciolo, S. Branca et al.     The flanks of volcanoes may slide in response to the loading of the edifice on a weak basement, magma push, and/or to tectonic stress. However, examples of stratovolcanoes …             Increasing summer rainfall in arid eastern-Central Asia over the past 8500 years ▶     Bing Hong, Françoise Gasse, Masao Uchida et al.     A detailed and well-dated proxy record of summer rainfall variation in arid Central Asia is lacking. Here, we report a long-term, high resolution record of summer rainfall …             Reconstruction of the South Atlantic Subtropical Dipole index for the past 12,000 years from surface temperature proxy ▶     Ilana Wainer, Luciana Figueiredo Prado, Myriam Khodri et al.     Climate indices based on sea surface temperature (SST) can synthesize information related to physical processes that describe change and variability in continental precipitation …             Properties of the plant- and manure-derived biochars and their sorption of dibutyl phthalate and phenanthrene ▶     Mengyi Qiu, Ke Sun, Jie Jin et al.     The properties of plant residue-derived biochars (PLABs) and animal waste-derived biochars (ANIBs) obtained at low and high heating treatment temperatures (300 and 450°C) as well …             On the sustainability of an activity ▶     Daniel S. Zachary     This paper develops a framework to determine the sustainability of a general activity. We define an activity as an action or process that uses one or more resources and that …             The largest Silurian vertebrate and its palaeoecological implications ▶     Brian Choo, Min Zhu, Wenjin Zhao et al.     An apparent absence of Silurian fishes more than half-a-metre in length has been viewed as evidence that gnathostomes were restricted in size and diversity prior to the Devonian. …             Richness and Diversity in Dust Stormborne Biomes at the Southeast Mediterranean ▶     Itzhak Katra, Luba Arotsker, Helena Krasnov et al.     Dust storms include particulate matter that is transported over land and sea with biota that could impact downwind ecosystems. In addition to the physico-chemical compositions, …             Stable acetate production in extreme-thermophilic (70°C) mixed culture fermentation by selective enrichment of hydrogenotrophic methanogens ▶     Fang Zhang, Yan Zhang, Jing Ding et al.     The control of metabolite production is difficult in mixed culture fermentation. This is particularly related to hydrogen inhibition. In this work, hydrogenotrophic methanogens …             Larger CO2 source at the equatorial Pacific during the last deglaciation ▶     Kaoru Kubota, Yusuke Yokoyama, Tsuyoshi Ishikawa et al.     While biogeochemical and physical processes in the Southern Ocean are thought to be central to atmospheric CO2 rise during the last deglaciation, the role of the equatorial …             Lithological control on phytolith carbon sequestration in moso bamboo forests ▶     Beilei Li, Zhaoliang Song, Hailong Wang et al.     Phytolith-occluded carbon (PhytOC) is a stable carbon (C) fraction that has effects on long-term global C balance. Here, we report the phytolith and PhytOC accumulation in moso …             The maximum specific hydrogen-producing activity of anaerobic mixed cultures: definition and determination ▶     Yang Mu, Hou-Yun Yang, Ya-Zhou Wang et al.     Fermentative hydrogen production from wastes has many advantages compared to various chemical methods. Methodology for characterizing the hydrogen-producing activity of anaerobic …               Health Sciences ▲ top               MicroRNA-33b knock-in mice for an intron of sterol regulatory element-binding factor 1 (Srebf1) exhibit reduced HDL-C in vivo ▶     Takahiro Horie, Tomohiro Nishino, Osamu Baba et al.     MicroRNAs (miRs) are small non-protein-coding RNAs that bind to specific mRNAs and inhibit translation or promote mRNA degradation. Recent reports, including ours, indicated that …             Epigenetic Modification of the Leptin Promoter in Diet-Induced Obese Mice and the Effects of N-3 Polyunsaturated Fatty Acids ▶     Wenwen Shen, Cui Wang, Lulu Xia et al.     We report evidence of a detailed epigenetic modification of the leptin promoter and the effects of n-3 polyunsaturated fatty acids (n-3 PUFAs), which is closely associated with …             Clinical and non-targeted metabolomic profiling of homozygous carriers of Transcription Factor 7-like 2 variant rs7903146 ▶     Robert Wagner, Jia Li, Erhan Kenar et al.     An important role of the type 2 diabetes risk variant rs7903146 in TCF7L2 in metabolic actions of various tissues, in particular of the liver, has recently been demonstrated by …             DJ-1 contributes to adipogenesis and obesity-induced inflammation ▶     Jung-Min Kim, Hyun-Jun Jang, Soo Youn Choi et al.     Adipose tissue functions as an endocrine organ, and the development of systemic inflammation in adipose tissue is closely associated with metabolic diseases, such as obesity and …             Preliminary Study on Retinal Vascular and Oxygen-related Changes after Long-term Silicone Oil and Foldable Capsular Vitreous Body Tamponade ▶     Wei Yang, Yongguang Yuan, Yao Zong et al.     Silicone oil has been the only long-term vitreous substitute used in the treatment of retinal detachment since 1962 by Cibis. Nevertheless, its effects on retinal vascular …             A comparison of nifedipine and tamsulosin as medical expulsive therapy for the management of lower ureteral stones without ESWL ▶     Dehong Cao, Lu Yang, Liangren Liu et al.     Administration of nifedipine or tamsulosin has been suggested to augment stone expulsion rates. We aimed to compare the stone expulsion rates and adverse effects associated with …             Genetic variations in IL1A and IL1RN are associated with the risk of preeclampsia in Chinese Han population ▶     Jing Li, Mengchun Liu, Jinbao Zong et al.     Preeclampsia (PE) is an excessive systemic inflammation response with dysfunction of endothelial. Our study was to investigate the association between genetic variations in IL-1 …             A pharmacoproteomic study confirms the synergistic effect of chondroitin sulfate and glucosamine ▶     Valentina Calamia, Jesús Mateos, Patricia Fernández-Puente et al.     Osteoarthritis (OA) is the most common age-related rheumatic disease. Chondrocytes play a primary role in mediating cartilage destruction and extracellular matrix (ECM) breakdown, …             A novel proteasome inhibitor suppresses tumor growth via targeting both 19S proteasome deubiquitinases and 20S proteolytic peptidases ▶     Ningning Liu, Chunjiao Liu, Xiaofen Li et al.     The successful development of bortezomib-based therapy for treatment of multiple myeloma has established proteasome inhibition as an effective therapeutic strategy, and both 20S …                 • Careers & Jobs           naturejobs.com Science jobs of the week       Group leader positions in Development & Stem Cells     IGBMC (Institute of Genetics & Molecular & Cellular Biology)/ CERBM GIE            Postdoctoral Research Scientist     Wellcome Trust Centre for Human Genetics            Wissenschaftliche / r Mitarbeiter / in / Postdoctoral research fellow     Robert Koch - Institut            Professor     Helmholtz Institute Erlangen-Nürnberg            Scientific employees (Postdoctoral Positions)     Philipps-University            Clinical Research Fellow in Surgery     University of Glasgow            Volunteer Studies and Clinical Services / Research Manager     Medical Research Council - Human Nutrition Research            Volunteer Studies and Clinical Services / Research Manager     Medical Research Council - Human Nutrition Research            Research Associate in Statistical Population Genetics     University College London (UCL)            Research Fellow, Synthetic Biology (Biological Sciences)     University of Essex          No matter what your career stage, student, postdoc or senior scientist, you will find articles on naturejobs.com to help guide you in your science career. 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