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第 170280 / 197838 页 · 当前展示 3,405,581–3,405,600 / 3,956,749 条匹配结果 · 摘要仅作预览

Can TiC nanoparticles produce toxicity in oral administration to rats?

Julie Laloy、Omar Lozano、Lütfiye Alpan 等 8 位作者2014-01-01Toxicology Reports

Titanium carbide (TiC) is used for ceramic metal composites in several industries and is regarded as a nanomaterial for catalyst and battery applications. However, there are very few studies in regard to the toxicological potential of TiC nanoparticles (NPs). To study the toxicodynamics and toxicokinetics of TiC NPs i…

Nanoparticles: synthesis and applicationsTitanium Alloys Microstructure and PropertiesAdvanced materials and composites

Correlation between surface state and band edge emission of white light ZnxCd1−xS nanocrystals

Hong-Shuo Chen、Shu Ru Chung、Tsan‐Yao Chen 等 4 位作者2014-01-01Journal of Materials Chemistry C

In this study, we have demonstrated a facile thermal pyrolyzed route to prepare ternary ZnxCd1−xS nanocrystals (NCs) with high quantum yield (QY) and white light emission. The detailed surface and structural characterizations based on the X-ray absorption spectroscopy (XAS) and X-ray photoelectron spectroscopy (XPS) m…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsNanocluster Synthesis and Applications

Tuning the interaction of an immiscible poly( l -lactide)/poly(vinylidene fluoride) blend by adding poly(methyl methacrylate) via a competition mechanism and the resultant mechanical properties

Haiming Chen、Xiongfei Wang、Dan Liu 等 10 位作者2014-01-01RSC Advances

Through improving the interaction and forming an occlusion structure, significantly improved ductility is achieved by adding PMMA into a PLLA/PVDF blend.

Advanced Sensor and Energy Harvesting Materialsbiodegradable polymer synthesis and propertiesElectrospun Nanofibers in Biomedical Applications

An Overview on Structure and Field Emission Properties of Carbon Nitride Films

Qiong Wang、Jinlong Jiang2014-01-01Journal of Nanomaterials

Carbon nitride films have excellent properties and wide application prospects in the aspect of field emission properties. In this review structure characteristics and a variety of synthetic methods of carbon nitride film will be described. In the carbon nitrogen films, we mainly from the following three points: sp 2 /…

Metal and Thin Film MechanicsSemiconductor materials and devicesDiamond and Carbon-based Materials Research

Isopolymolybdate-induced organic–inorganic hybrid assemblies with copper ions and bichelate-bridging ligands

Xiuli Hao、Yuan‐Yuan Ma、Yonghui Wang 等 5 位作者2014-01-01CrystEngComm

Heptamolybdate is used as a “molecular adaptor” to modulate the metal–organic coordination building units in the hydrothermal environment, with new polyoxometalate-induced hybrid assemblies isolated demonstrating good photocatalytic activity.

Metal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and ApplicationsChemical Synthesis and Reactions

Improvement of antioxidant and antimicrobial activity of chitosan film with caraway and oregano essential oils

Nevena Hromiš、Vera Lazic、Siniša Markov 等 7 位作者2014-01-01Acta periodica technologica

In this work, caraway or oregano essential oils were added to the cast chitosan film in an attempt to design a natural, biodegradable, bioactive (antioxidant and antimicrobial) packaging film. When the structure of the tested films was analyzed with Fourier transform infrared spectroscopy, no significant differences w…

Essential Oils and Antimicrobial ActivityNanocomposite Films for Food PackagingMedicinal Plant Research

On the possibility of nonradiative energy transfer between hydrophobic quantum dots in solutions

С. Б. Бричкин、М. Г. Спирин、V. Yu. Gak2014-01-01Colloid Journal

The Förster resonance energy transfer between CdSe quantum dots with two different sizes has been studied in an organic solvent upon the formation of close-packed aggregates of quantum dots, with the aggregation being both spontaneous and induced by a precipitating solvent. The addition of a precipitant has been estab…

Gold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Progress in Polyoxometalates-Catalyzed Water Oxidation

Fangyuan Song、Yong Ding、Chongchao Zhao2014-01-01化学学报

H 2 is considered to be a clean, efficiently and renewable energy because H 2 O is the only product when H 2 combines with O 2 . The splitting of water into H 2 and O 2 by sunlight is viewed as one of the most promising ways to produce clean and sustainable energy that is expected to meet the future need as environmen…

Polyoxometalates: Synthesis and ApplicationsNanomaterials for catalytic reactionsAdvanced Nanomaterials in Catalysis

Creation of a superhydrophobic surface from a sublimed smectic liquid crystal

Dae Seok Kim、Yun Jeong、Hanim Kim 等 6 位作者2014-01-01RSC Advances

Dual-scale structures showing superhydrophobic characteristics have been fabricated using sublimable smectic liquid crystals.

Surface Modification and SuperhydrophobicityFluid Dynamics and Heat TransferPickering emulsions and particle stabilization

Synthesis and Characterization of Electrodeposited C‐PANI‐Pd‐Ni Composite Electrocatalyst for Methanol Oxidation

Susanta Sinha Mahapatra、Shashank Shekhar、Bhawana Thakur 等 4 位作者2014-01-01International Journal of Electrochemistry

Electropolymerization of aniline at the graphite electrodes was achieved by potentiodynamic method. Electrodeposition of Pd (C‐PANI‐Pd) and Ni (C‐PANI‐Ni) and codeposition of Pd‐Ni (C‐PANI‐Pd‐Ni) microparticles into the polyaniline (PANI) film coated graphite (C‐PANI) were carried out under galvanostatic control. The…

Electrochemical sensors and biosensorsConducting polymers and applicationsElectrochemical Analysis and Applications

A novel tetraphenylethene–carbazole type compound containing the dimesitylboron moiety: aggregation-induced emission enhancement and electroluminescence properties

Heping Shi、Jinwei Yang、Xiuqing Dong 等 7 位作者2014-01-01RSC Advances

A novel tetraphenylethene–carbazole type compound containing the dimesitylboron moiety with aggregation-induced emission enhancement properties was synthesized and utilised as a blue light-emitting material in OLED devices.

Organic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent Materials

Local bias induced ferroelectricity in manganites with competing charge and orbital order states

F. Figueiras、Igor Bdikin、V. S. Amaral 等 4 位作者2014-01-01Physical Chemistry Chemical Physics

Perovskite-type manganites, such as Pr1-xCaxMnO3, La1-xCaxMnO3 and La1-xSrxMnO3 solid solutions, are set forth as a case study of ferroelectricity formation mechanisms associated with the appearance of site- and bond-centered orbital ordering which breaks structural inversion symmetry. Even though the observation of m…

Ferroelectric and Piezoelectric MaterialsMagnetic and transport properties of perovskites and related materialsMultiferroics and related materials

Chemical deposition of Ag nanostructures on polypyrrole films as active SERS substrates

Yanzhen He、Xijiang Han、Dengtai Chen 等 8 位作者2014-01-01RSC Advances

A facile synthesis of homogeneous Ag nanostructures on modified polypyrrole (PPy) films through direct chemical deposition has been demonstrated. The as-prepared Ag nanostructures are highly sensitive and reproducible in the SERS detection of the target analyte, methylene blue (MB).

Gold and Silver Nanoparticles Synthesis and ApplicationsAdvanced biosensing and bioanalysis techniquesElectrochemical Analysis and Applications

Biocompatibility of electrospun poly(3-hydroxybutyrate) and its composites scaffoldsfor tissue engineering

И. И. Жаркова、О. В. Староверова、В. В. Воинова 等 11 位作者2014-01-01Biomeditsinskaya Khimiya

Development of biodegradable polymers-based scaffolds for tissue engineering is a promising trend in bioengineering. The electrospun scaffolds from poly(3-hydroxybutyrate) (PHB) were produced using different additives that changed the physical and chemical characteristics of the products. As a result, the construct co…

biodegradable polymer synthesis and propertiesElectrospun Nanofibers in Biomedical Applications

DNA–RNA chimera indicates the flexibility of the backbone influences the encapsulation of fluorescent AgNC emitters

Pratik Shah、Peter W. Thulstrup、Seok Keun Cho 等 5 位作者2014-01-01Chemical Communications

Many DNA scaffolds efficiently encapsulate highly emissive silver nanoclusters (AgNCs). The secondary structures and the arrangement of sequences of DNA scaffolds are important factors by which the specific features of AgNCs emitters can be determined. By introducing DNA-RNA chimera scaffolds, we here explore another…

Gold and Silver Nanoparticles Synthesis and ApplicationsAdvanced biosensing and bioanalysis techniquesNanocluster Synthesis and Applications

Side-Chain Alkylation of Toluene with Methanol over Zn-Modified KX Zeolite

Lanlan Song、Yue Yu、Zhenrong Li 等 6 位作者2014-01-01Journal of the Brazilian Chemical Society

The effect of Zn on side-chain alkylation of toluene with methanol over KX zeolite was investigated. It was found that the addition of Zn with a low content over KX could enhance toluene conversion significantly. In addition, the results showed that the conversion of toluene over ZnKX (0.8 wt. %) catalyst was almost t…

Catalytic Processes in Materials ScienceZeolite Catalysis and SynthesisCatalysis and Oxidation Reactions

A generic in situ seed-mediated size-control method in the case of cuprous oxide nanocubes and their antibacterial activities

Yehao Deng、Jingjing Zhao、Qing Li 等 6 位作者2014-01-01CrystEngComm

A broad size range of cuprous oxide (Cu2O) nanocubes from 36 nm to 450 nm are obtained by an in situ seed-mediated approach that simply requires two additions of deionized water. The as-prepared Cu2O nanocubes are found to have strong antibacterial activity towards both Gram-negative and Gram-positive bacteria.

ZnO doping and propertiesCopper-based nanomaterials and applicationsElectronic and Structural Properties of Oxides

Can agitation determine the polymorphs of calcium carbonate during the decomposition of calcium bicarbonate?

Jiuxin Jiang、Ying Zhang、Dongdong Xu 等 4 位作者2014-01-01CrystEngComm

Free of external disturbance, Ca <sup>2+</sup> ions stack in the (0001) faces in the mode of (a), corresponding to thermodynamically least stable vaterite phase. To maximally reduce coulomb repulsion under external agitation, one Ca <sup>2+</sup> ion moves up and the other moves down for one third of interplanar cryst…

Calcium Carbonate Crystallization and InhibitionMinerals Flotation and Separation TechniquesCrystallization and Solubility Studies