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Methotrexate in the treatment of pemphigus vulgaris: experience in 23 patients

Kathleen Tran、Jay E. Wolverton、Nicholas A. Soter2013-06-18British Journal of Dermatology

BACKGROUND: The standard treatment for patients with pemphigus vulgaris has long consisted of high-dose glucocorticoids. Studies regarding the use of methotrexate in pemphigus vulgaris date back to 1968, but few have quantitatively described a steroid-sparing effect conferred by methotrexate. OBJECTIVES: We sought to…

Autoimmune Bullous Skin DiseasesSympathectomy and Hyperhidrosis TreatmentsPhytochemistry and Bioactive Compounds

Synthesis and Photoelectric Properties of Cu2ZnGeS4 and Cu2ZnGeSe4 Single-Crystalline Nanowire Arrays

Liang Shi、Peiqun Yin、Haojun Zhu 等 4 位作者2013-06-18Langmuir

Cu2ZnGeS4 (CZGS) and Cu2ZnGeSe4 (CZGSe) single crystalline nanowire arrays have been prepared via a convenient one-step nanoconfined solvothermal approach. The porous anodic aluminum oxide was used as a morphology directing template by offering nanospace in the AAO pores for confined solvothermal reaction. The structu…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications

Molecular Origins of Dye Aggregation and Complex Formation Effects in Coumarin 343

Xiaogang Liu、Jacqueline M. Cole、Kian Sing Low2013-06-18The Journal of Physical Chemistry C

Solvent effects have a significant impact upon the optoelectronic properties of coumarin 343, which are mainly exploited in the solution phase for a diverse range of applications, including lasers and dye-sensitized solar cells. The influence of solvation on the structure–property relationships for coumarin 343 are an…

Photochemistry and Electron Transfer StudiesPhotochromic and Fluorescence ChemistryFree Radicals and Antioxidants

Formation of Dynamic Soluble Surfactant-induced Amyloid β Peptide Aggregation Intermediates

Axel Abelein、Jørn Døvling Kaspersen、Søren B. Nielsen 等 9 位作者2013-06-18Journal of Biological Chemistry

Intermediate amyloidogenic states along the amyloid β peptide (Aβ) aggregation pathway have been shown to be linked to neurotoxicity. To shed more light on the different structures that may arise during Aβ aggregation, we here investigate surfactant-induced Aβ aggregation. This process leads to co-aggregates featuring…

Alzheimer's disease research and treatmentsGlycosylation and Glycoproteins ResearchSupramolecular Self-Assembly in Materials

Mitigation of type-I ELMs withn= 2 fields on JET with ITER-like wall

Y. Liang、P. Lomas、I. Nunes 等 21 位作者2013-06-18Nuclear Fusion

Mitigation of type-I ELMs with n = 2 fields on JET with ITER-like wall, Liang, Y., Lomas, P., Nunes, I., Gryaznevich, M., Beurskens, M.N.A., Brezinsek, S., Coenen, J.W., Denner, P., Eich, Th., Frassinetti, L., Gerasimov, S., Harting, D., Jachmich, S., Meigs, A., Pearson, J., Rack, M., Saarelma, S., Sieglin, B., Yang,…

Ionosphere and magnetosphere dynamicsMagnetic confinement fusion researchFusion materials and technologies

Crystal Structure of Prothrombin Reveals Conformational Flexibility and Mechanism of Activation

Nicola Pozzi、Zhiwei Chen、David W. Gohara 等 6 位作者2013-06-18Journal of Biological Chemistry

The zymogen prothrombin is composed of fragment 1 containing a Gla domain and kringle-1, fragment 2 containing kringle-2, and a protease domain containing A and B chains. The prothrombinase complex assembled on the surface of platelets converts prothrombin to thrombin by cleaving at Arg-271 and Arg-320. The three-dime…

Blood Coagulation and Thrombosis MechanismsEnzyme Structure and FunctionMetal-Catalyzed Oxygenation Mechanisms

Structural similarity of wild-type and ALS-mutant superoxide dismutase-1 fibrils using limited proteolysis and atomic force microscopy

Pik K. Chan、Madhuri Chattopadhyay、Shivani Sharma 等 8 位作者2013-06-18Proceedings of the National Academy of Sciences

Abnormal assemblies formed by misfolded superoxide dismutase-1 (SOD1) proteins are the likely cause of SOD1-linked familial amyotrophic lateral sclerosis (fALS) and may be involved in some cases of sporadic ALS. To analyze the structure of the insoluble SOD1 amyloid fibrils, we first used limited proteolysis followed…

Alzheimer's disease research and treatmentsbiodegradable polymer synthesis and propertiesAmyotrophic Lateral Sclerosis Research

Comminution of Logging Residues with Evolution 910R chipper, MOHA chipper truck, and Morbark 1200 tub grinder

Antti Asikainen、Pertti Pulkkinen2013-06-18International Journal of Forest Engineering

Abstract This study is part of the ongoing national Bioenergy Research Programme in Finland. The study looked into the quality of chips made of logging residues composed predominantly of spruce wood. In addition, the productivity of the Evolution 910R chipper, the MOHA chipper truck, and the Morbark 1200 tub grinder w…

Forest Biomass Utilization and ManagementMineral Processing and GrindingMetallurgy and Material Science

DFT Study of the Adsorption of d -( l -)Cysteine on Flat and Chiral Stepped Gold Surfaces

José L. C. Fajín、José R. B. Gomes、M. Natália D. S. Cordeiro2013-06-18Langmuir

The adsorption of cysteine onto the intrinsically chiral gold surface, Au(321)(R,S), was investigated by means of a periodic supercell density functional theory approach. The results are compared to those obtained at the same level of theory with a nonchiral surface having the same terrace orientation, the Au(111) sur…

Molecular Junctions and NanostructuresNanocluster Synthesis and ApplicationsSurface Chemistry and Catalysis

Influence of Counteranions on the Structural Modulation of Silver–Di(3-pyridylmethyl)amine Coordination Polymers

Jing‐Yun Wu、Tzu-Ching Chao、Ming‐Shiou Zhong2013-06-18Crystal Growth & Design

The coordination chemistry of a flexible N-donor ligand di(3-pyridylmethyl)amine (dpma) with silver salts has been investigated. Six new silver coordination polymers, namely, [Ag(dpma)(H 2 O)](NO 3 ) ( 1 ), [Ag(dpma)(CF 3 CO 2 )]·1/2H 2 O ( 2 ), [Ag(dpma)](CF 3 SO 3 )·1/2H 2 O ( 3 ), [Ag(dpma)](BF 4 )·3/2H 2 O ( 4 ),…

Metal-Organic Frameworks: Synthesis and ApplicationsMetal complexes synthesis and propertiesMagnetism in coordination complexes

Rapid Detection of Aβ Aggregation and Inhibition by Dual Functions of Gold Nanoplasmic Particles: Catalytic Activator and Optical Reporter

Inhee Choi、Luke P. Lee2013-06-18ACS Nano

One of the primary pathological hallmarks of Alzheimer’s diseases (AD) is amyloid-β (Aβ) aggregation and its extracellular accumulation. However, current in vitro Aβ aggregation assays require time-consuming and labor-intensive steps, which delay the process of drug discovery and understanding the mechanism of Aβ indu…

Alzheimer's disease research and treatmentsProtein Interaction Studies and Fluorescence AnalysisNanocluster Synthesis and Applications

Hyperelastic Material Properties of Mouse Skin under Compression

Yuxiang Wang、Kara L. Marshall、Yoshichika Baba 等 5 位作者2013-06-18PLoS ONE

The skin is a dynamic organ whose complex material properties are capable of withstanding continuous mechanical stress while accommodating insults and organism growth. Moreover, synchronized hair cycles, comprising waves of hair growth, regression and rest, are accompanied by dramatic fluctuations in skin thickness in…

Hair Growth and DisordersTextile materials and evaluationsSkin and Cellular Biology Research

The Registry Index: A Quantitative Measure of Materials′ Interfacial Commensurability

Oded Hod2013-06-18ChemPhysChem

Nanoscale tribology is an active and rapidly developing area of research that poses fundamental scientific questions that, if answered, may offer great technological potential in the fields of friction, wear, and lubrication. When considering nanoscale material's junctions, surface commensurability often plays a cruci…

Diamond and Carbon-based Materials ResearchForce Microscopy Techniques and ApplicationsLubricants and Their Additives

A Multiscale Study of MOFs as Adsorbents in H2 PSA Purification

Ana-Maria Banu、Daniel Friedrich、Stefano Brandani 等 4 位作者2013-06-18Industrial & Engineering Chemistry Research

In this multiscale study, four robust zirconium oxide based metal–organic frameworks (MOFs) were examined using powerful molecular simulation tools as well as indispensable full-scale PSA system modeling to determine their potential for H 2 purification. Grand canonical Monte Carlo (GCMC) and molecular dynamics (MD) s…

Metal-Organic Frameworks: Synthesis and ApplicationsCatalytic Processes in Materials ScienceMembrane Separation and Gas Transport

Improved Angle Potentials for Coarse-Grained Molecular Dynamics Simulations

Monica Bulacu、Nicolae Goga、Wei Zhao 等 8 位作者2013-06-18Journal of Chemical Theory and Computation

Potentials routinely used in atomistic molecular dynamics simulations are not always suitable for modeling systems at coarse-grained resolution. For example, in the calculation of traditional torsion angle potentials, numerical instability is often encountered in the case of very flexible molecules. To improve the sta…

Protein Structure and DynamicsForce Microscopy Techniques and ApplicationsEnzyme Structure and Function

Platinum(II) and Gold(III) Allenylidene Complexes: Phosphorescence, Self‐Assembled Nanostructures and Cytotoxicity

Xin‐Shan Xiao、Wai‐Lun Kwong、Xiangguo Guan 等 6 位作者2013-06-18Chemistry - A European Journal

The bright side of triple double bonds: Two series of stable tridentate cyclometalated PtII and AuIII allenylidene complexes were found to exhibit many functionalities, such as long-lived excited states, self-assembly into supramolecular nanostructures, DNA and nucleus binding and cellular imaging capabilities (see fi…

Organometallic Complex Synthesis and CatalysisOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent Materials

Dual Delivery of BMP-2 and bFGF from a New Nano-Composite Scaffold, Loaded with Vascular Stents for Large-Size Mandibular Defect Regeneration

Jiansheng Su、Hongzhen Xu、Jun Sun 等 5 位作者2013-06-18International Journal of Molecular Sciences

The aim of this study was to investigate the feasibility and advantages of the dual delivery of bone morphogenetic protein-2 (BMP-2) and basic fibroblast growth factor (bFGF) from nano-composite scaffolds (PLGA/PCL/nHA) loaded with vascular stents (PLCL/Col/nHA) for large bone defect regeneration in rabbit mandibles.…

Bone Tissue Engineering MaterialsElectrospun Nanofibers in Biomedical ApplicationsPeriodontal Regeneration and Treatments

Robustness of two-dimensional topological insulator states in bilayer bismuth against strain and electrical field

Li Chen、Zhengfei Wang、Feng Liu2013-06-18Physical Review B

Using first-principles and Wannier function methods, we systematically calculate the electronic band structure and topological edge states of single bilayer Bi (111) film (BL-Bi) as a function of strain and perpendicular electric field to investigate the effects induced by lattice mismatch and interfacial charge trans…

Graphene research and applications2D Materials and ApplicationsTopological Materials and Phenomena

Electronic Structures of Antimony Oxides

Jeremy P. Allen、John J. Carey、Aron Walsh 等 5 位作者2013-06-18The Journal of Physical Chemistry C

This study details density functional theory calculations on all the polymorphs of the binary oxides of antimony (Sb 2 O 3, Sb 2 O 4, and Sb 2 O 5 ) to assess the electronic structures and differences in bonding between Sb III and Sb V ions with oxygen. The results show that lone-pair formation is via a similar mechan…

Luminescence Properties of Advanced MaterialsCatalytic Processes in Materials ScienceCatalysis and Oxidation Reactions

Linear viscoelasticity and dynamics of suspensions and molten polymers filled with nanoparticles of different aspect ratios

Philippe Cassagnau2013-06-18Polymer

In the present review, we report the linear viscoelasticity of suspensions and polymers filled with nano-size particles of different aspect ratios and structuration . The viscoelastic behaviour of liquid suspension filled with well-dispersed and stabilised particles proves that the Brownian motion is the dominant mech…

Polymer crystallization and propertiesMaterial Dynamics and PropertiesRheology and Fluid Dynamics Studies