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Understanding thio-effects in simple phosphoryl systems: role of solvent effects and nucleophile charge

Alexandra T. P. Carvalho、AnnMarie C. O’Donoghue、David R. W. Hodgson 等 4 位作者2015-01-01Organic & Biomolecular Chemistry

Recent experimental work (J. Org. Chem., 2012, 77, 5829) demonstrated pronounced differences in measured thio-effects for the hydrolysis of (thio)phosphodichloridates by water and hydroxide nucleophiles. In the present work, we have performed detailed quantum chemical calculations of these reactions, with the aim of r…

DNA and Nucleic Acid ChemistryPorphyrin and Phthalocyanine ChemistryChemical Reaction Mechanisms

Influence of Deposition Rate on the Thermoelectric Properties of Sb2Te3 Thin Films by Thermal Evaporation Method

Jyun-Min Lin、Ying-Chung Chen、Wei Chen2015-01-01Journal of Nanomaterials

Thermoelectric (TE) materials are crucial because they can be used in power generation and cooling devices. Sb2Te3‐based compounds are the most favorable TE materials because of their excellent figure of merit at room temperature. In this study, Sb2Te3 thin films were prepared on SiO2/Si substrates through thermal eva…

Advanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsPhase-change materials and chalcogenides

Beneficial Effects and Safety of Corticosteroids Combined with Traditional Chinese Medicine for Pemphigus: A Systematic Review

Tingting Zhou、Peiru Zhou、Hong Hua 等 4 位作者2015-01-01Evidence-based Complementary and Alternative Medicine

Objective. To evaluate the beneficial effects and safety of corticosteroids combined with traditional Chinese medicine (TCM) for pemphigus. Methods. Seven electronic databases were searched to identify any potential randomized controlled trials (RCTs) or clinical controlled trials (CCTs) that compared corticosteroids…

Autoimmune Bullous Skin DiseasesCoagulation, Bradykinin, Polyphosphates, and AngioedemaPhytochemistry and Bioactive Compounds

A label-free and turn-on fluorescence sensor for sensitive and selective detection of iodide using carbon nanodots/silver nanocomposites

Buhong Gao、Ying Tang、Haijun Sun 等 6 位作者2015-01-01Analytical Methods

Based on the principle of fluorescence recovery, we propose a simple label-free and turn-on method for the detection of I − ions with high selectivity and sensitivity by using fluorescent Cdots/Ag nanocomposites in aqueous media.

Advanced biosensing and bioanalysis techniquesCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications

Synthesis and Optical Performances of a Waterborne Polyurethane-Based Polymeric Dye

Xianhai Hu、Xingyuan Zhang、Jin Liu2015-01-01International Journal of Polymer Science

A waterborne polyurethane-based polymeric dye (WPU-CFBB) was synthesized by anchoring 1, 4-bis(methylamino)anthraquinone (CFBB) to waterborne polyurethane chains. The number molecular weight, glass transition temperature, and average emulsion particle size for the polymeric dye were determined, respectively. This poly…

Luminescence and Fluorescent MaterialsPhotochromic and Fluorescence ChemistryPhotopolymerization techniques and applications

Optical limiting and singlet oxygen generation properties of phosphorus triazatetrabenzcorroles

Colin Mkhize、Jonathan Britton、John Mack 等 4 位作者2015-01-01Journal of Porphyrins and Phthalocyanines

Novel phosphorus triazatetrabenzcorrole (TBC) tetrasubstituted at the α- and β-positions of the peripheral fused benzene rings with t-butylphenoxy substituents have been prepared and characterized. The effect of the substituents on the electronic structures and optical properties is investigated with TD-DFT calculatio…

Porphyrin and Phthalocyanine ChemistryPhotochemistry and Electron Transfer StudiesNonlinear Optical Materials Studies

Design of an efficient CNTFET using optimum number of CNT in channel region for logic gate implementation

Rasmita Sahoo、Subhendu Kumar Sahoo、Krishna Chaitanya Sankisa2015-01-01OpenAlex

After the invention of carbon nanotube field effect transistor (CNTFET) in 1998 it has attracted a number of research groups. It plays a great role in design of digital circuits to provide higher speed, low power consumption and less delay. One of its major advantages is that we can change its threshold voltage by cha…

Carbon Nanotubes in CompositesAnalog and Mixed-Signal Circuit DesignLow-power high-performance VLSI design

Micro porous SiO2–SiC ceramics from particle stabilized foams by direct foaming

Subhasree Bhaskar、Gae Hyung Cho、Jung Gyu Park 等 6 位作者2015-01-01Journal of the Ceramic Society of Japan

Porous silicon carbide (SiC) ceramics have been a focus of interesting research in the field of porous materials due to their excellent thermal and mechanical properties, which results in wide spread applications in the industrial field. This study presents an approach for the production of porous SiO2 ceramics using…

Mesoporous Materials and CatalysisPickering emulsions and particle stabilizationHeat and Mass Transfer in Porous Media

Layer-by-layer assembled protein nanotubes with high DNA affinity

Pei-pei Jiao、Yanli Guo、Aihua Niu 等 4 位作者2015-01-01RSC Advances

Layer-by-layer assembled protein nanotubes show extremely high adsorption capacity for DNA molecules.

Advanced biosensing and bioanalysis techniquesPolymer Surface Interaction StudiesMolecular Junctions and Nanostructures

Non-monotonous dependence of the electrical conductivity and chemical stability of a graphene freestanding film on the degree of reduction

Yun Kyung Jo、In Young Kim、Su‐jin Kim 等 7 位作者2015-01-01RSC Advances

The controlled oxygenation of rG-O nanosheets is quite effective in controlling the chemical bonding nature and surface morphology of the graphene films and also in optimizing their electrical conductivity and stability.

Graphene research and applicationsSupercapacitor Materials and FabricationGraphene and Nanomaterials Applications

Diffusion of Cd and Te adatoms on CdTe(111) surfaces: A computational study using density functional theory

Ebadollah Naderi、Sachin P. Nanavati、Chiranjib Majumder 等 4 位作者2015-01-01AIP Advances

CdTe is one of the most promising semiconductor for thin-film based solar cells. Here we report a computational study of Cd and Te adatom diffusion on the CdTe (111) A-type (Cd terminated) and B-type (Te terminated) surfaces and their migration paths. The atomic and electronic structure calculations are performed unde…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsAdvanced Semiconductor Detectors and Materials

Gold nanoparticle–mesoporous silica sheet composites with enhanced antibody adsorption capacity

Kazuma Nakanishi、Masahiro Tomita、Yoshitake Masuda 等 4 位作者2015-01-01New Journal of Chemistry

For the enhancement of antibody adsorption capacity, gold nanoparticle–MPS sheet composites were prepared. The dispersed gold nanoparticles were loaded onto an MPS sheet via deposition–precipitation using HAuCl 4 .

Nanoparticle-Based Drug DeliveryAdvanced biosensing and bioanalysis techniquesPolymer Surface Interaction Studies

Conversion of polypropylene to two‐dimensional graphene, one‐dimensional carbon nano tubes and zero‐dimensional C‐dots, all exhibiting typical sp 2 ‐hexagonal carbon rings

Madhuri Sharon、Neeraj Mishra、Bhushan Patil 等 6 位作者2015-01-01IET Circuits Devices & Systems

For the first time single precursor, polypropylene (PP) has been used to synthesise two‐dimensional (2D) graphene, 1D carbon nanotubes (CNT) and 0D carbon dots (C‐dots). The carbon chains of PP polymer contain tertiary carbon atoms that have considerably lower resistance against degradation and cracking which is easy…

Graphene research and applicationsCarbon and Quantum Dots ApplicationsGraphene and Nanomaterials Applications

Thermal Decomposition of Bamboo Phyllostachys Edulis Pretreated with Ionic Liquids-Water Mixtures

Qingyue Wang、Qiyu Chen、Takumi Endo2015-01-01Green and Sustainable Chemistry

The ionic liquid (IL)-water mixture pretreated bamboo (Phyllostachys edulis) samples were applied in the research of thermal decomposition. [BMIM]Cl (1-Butyl-3-methylimidazolium chloride)- water and [BMIM]BF4 (1-Butyl-3-methylimidazolium tetrafluoroborate)-water were used in pretreatment process. Compositions of the u…

Natural Fiber Reinforced CompositesAdvanced Cellulose Research StudiesLignin and Wood Chemistry

Microstructure, Mechanical Properties, Toughness, Wear Characteristics and Fracture Phenomena of Austenitised and Austempered Low-Alloyed Ductile Iron

Nabil Fatahalla、Osama Hussein2015-01-01OALib

Conventional ductile iron (DI) and austempered ductile iron (ADI) alloys were successfully produced.The alloying elements-Ni, Mo, Cr and Mn were added to get as-cast low-alloyed ductile iron (LADI) followed by austempering heat treatment.Hardness was measured for all investigated alloys.A hardness conversion table was…

Microstructure and Mechanical Properties of SteelsMetallurgy and Material FormingMetal Alloys Wear and Properties

Synthesis of proton caged disulphide compounds for gold nanoparticle functionalization

Gianfranco Sabbatella、Simonetta Antonaroli、Marco Diociauti 等 5 位作者2015-01-01New Journal of Chemistry

Novel proton caged compounds have been synthesized, with a sulphur bridge to bind gold nanoparticles and release protons upon UV irradiation.

Advanced Photocatalysis TechniquesGold and Silver Nanoparticles Synthesis and ApplicationsNanocluster Synthesis and Applications

Atomistic simulation of the process of defect formation in uranium dioxide during fission fragments flying through

Sergey Starikov2015-01-01High Temperature

This paper presents the results of the simulation of the process of the formation of defects in uranium dioxide upon the flight of xenon and zirconium ions with energies characteristic of fission fragments. The simulation was performed using the Monte Carlo method in combination with atomistic simulation. This made it…

Fusion materials and technologiesNuclear reactor physics and engineeringNuclear Materials and Properties