Materials Literature

文献浏览

按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。

清除
第 219256 / 235090 页 · 当前展示 4,385,101–4,385,120 / 4,701,791 条匹配结果 · 摘要仅作预览

A proposed protocol for nomenclaturally effective DNA barcoding of microalgae

Katharine Evans、David G. Mann2009-01-01Phycologia

K.M. Evans and D.G. Mann. 2009. A proposed protocol for nomenclaturally effective DNA barcoding of microalgae. Phycologia 48: 70–74. DOI: 10.2216/08-70.1.A mechanism for giving DNA barcodes nomenclatural status in microalgae via culture-derived epitypes is demonstrated with reference to four species of the freshwater…

Diatoms and Algae ResearchAquatic Invertebrate Ecology and BehaviorIdentification and Quantification in Food

Characterization of the Corrosion Products of Crevice Corroded Alloy 22

Xi Shan、Joe H. Payer2009-01-01Journal of The Electrochemical Society

The crevice corrosion performance of Alloy 22 was tested under potentiostatic polarization more positive than the repassivation potential in 4 M NaCl solution at . Under this aggressive condition, crevice corrosion initiated under the crevice contacts and four stages of corrosion behavior were observed: initiation, pr…

Corrosion Behavior and InhibitionHigh-Temperature Coating BehaviorsHydrogen embrittlement and corrosion behaviors in metals

Successive effect of rolling up, oriented attachment and Ostwald ripening on the hydrothermal formation of szaibelyite MgBO2(OH) nanowhiskers

Wancheng Zhu、Shenlin Zhu、Lan Xiang2009-01-01CrystEngComm

The successive effects of rolling up, oriented attachment and Ostwald ripening on the hydrothermal formation of szaibelyite MgBO2(OH) nanowhiskers (diameter: 20–60 nm, aspect ratio: 10–70) from amorphous precursor obtained at room temperature are investigated in this paper, and the MgBO2(OH) nanowhiskers successively…

Ferroelectric and Piezoelectric MaterialsLayered Double Hydroxides Synthesis and ApplicationsElectronic and Structural Properties of Oxides

Helix or coil? Fate of a melting heteropolymer

G. Oshanin、S. Redner2009-01-01Europhysics Letters (EPL)

We study the probability that a partially melted heteropolymer at the melting temperature will either melt completely or return to a helix state. This system is equivalent to the splitting probability for a diffusing particle on a finite interval that moves according to the Sinai model. When the initial fraction of me…

Material Dynamics and PropertiesBlock Copolymer Self-AssemblyAdvanced Physical and Chemical Molecular Interactions

Synthesis and characterization of new azomethine derivatives exhibiting liquid crystalline properties

Luminița Marin、Silvia Destri、William Porzio 等 4 位作者2009-01-01Liquid Crystals

Azomethine liquid crystals (LCs), constituted by symmetric and asymmetric bithiophene or fluorene units as chromophores, were designed and synthesised. Their thermotropic behaviour was investigated using optical microscopy, differential scanning calorimetry, and wide angle X‐ray diffraction. A lowering of transition t…

Liquid Crystal Research AdvancementsPhotochemistry and Electron Transfer StudiesPhotochromic and Fluorescence Chemistry

Direct synthesis of mesoporous carbon nanowires in nanotubes using MnO2 nanotubes as a template and their application in supercapacitors

Haijing Liu、Ling-Hua Jin、Ping He 等 5 位作者2009-01-01Chemical Communications

A facile approach is demonstrated for the preparation of mesoporous carbon nanowires in nanotubes, mesoporous carbon nanotubes and mesoporous carbon nanothorn microspheres by combining surfactant-templating self-assembly of organic resols with different MnO(2) hard templates, and they deliver excellent capacitive perf…

Supercapacitor Materials and FabricationConducting polymers and applicationsMesoporous Materials and Catalysis

Cyclotriphosphazenes with sulfur-containing side groups: refractive index and optical dispersion

Toshiki Fushimi、Harry R. Allcock2009-01-01Dalton Transactions

Two types of cyclotriphosphazenes with sulfur-containing side groups were synthesized for an examination of their optical properties including refractive index, optical dispersion, and absorption in the UV-vis region. In the first type, the residue from ethanethiol was introduced through P-S bonding. In the second typ…

Liquid Crystal Research AdvancementsFlame retardant materials and propertiesThermal and Kinetic Analysis

Fluorinated metallomesogens – lamellar versus columnar phase formation

Agata Głębowska、Paweł Przybylski、Marta Winek 等 8 位作者2009-01-01Journal of Materials Chemistry

Two series of tetradental cis-enaminoketone Ni(II) and Cu(II) complexes with their mesogenic core substituted by different combination of hydrocarbon or fluorocarbon chains have been synthesized. Depending on the type and position of the substituted groups, compounds reveal either calamitic or columnar mesophases. Rep…

Liquid Crystal Research AdvancementsMagnetism in coordination complexesPorphyrin and Phthalocyanine Chemistry

Fine tuning the optical properties of Au–Ag nanocages by selectively etching Ag with oxygen and a water-soluble thiol

Eun Chul Cho、Claire M. Cobley、Matthew Rycenga 等 4 位作者2009-01-01Journal of Materials Chemistry

We present a facile method for fine tuning the optical properties of Au–Ag nanocages with oxygen (from air) and a water-soluble thiol. When nanocages were dispersed in an aqueous solution containing the thiol, the pure Ag inside the cages was selectively etched away. As a result, the wall thickness of the nanocages de…

Gold and Silver Nanoparticles Synthesis and ApplicationsCopper-based nanomaterials and applicationsNanoporous metals and alloys

Continuous Regeneration of Ceramic Particulate Filter in Stationary Diesel Engine by Nonthermal-Plasma-Induced Ozone Injection

Masaaki Okubo、Tomoyuki Kuroki、Shinpei KAWASAKI 等 5 位作者2009-01-01IEEE Transactions on Industry Applications

Every year, stricter regulations are imposed on diesel engine emissions. It is difficult to satisfy these regulations only by improving the combustion improvement techniques in the near future. We require highly effective postprocessing technology for the removal of particulate matter (PM) such as carbonaceous particu…

Catalytic Processes in Materials ScienceVehicle emissions and performanceAerosol Filtration and Electrostatic Precipitation

Ring-opening reaction of a trifluorinated indolylfulgide: mode-specific photochemistry after pre-excitation

Simone Draxler、Thomas Brust、Stephan Malkmus 等 7 位作者2009-01-01Physical Chemistry Chemical Physics

The ring-opening reaction of a trifluorinated indolylfulgide has been studied as a function of temperature and optical pre-excitation where it was found that reaction times decreased as temperature increased from 10.3 ps at 12 degrees C to 7.6 ps at 60 degrees C. Simultaneously, the quantum yields for the ring-opening…

Porphyrin and Phthalocyanine ChemistryPhotochromic and Fluorescence ChemistrySynthesis of Indole Derivatives

FAST AND ACCURATE ANALYSIS OF LARGE METAMATERIAL STRUCTURES USING THE MULTILEVEL FAST MULTIPOLE ALGORITHM

Levent Gürel、Özgür Ergül、Alper Ünal 等 4 位作者2009-01-01Electromagnetic waves

We report fast and accurate simulations of metamaterial structures constructed with large numbers of unit cells containing split-ring resonators and thin wires. Scattering problems involving various metamaterial walls are formulated rigorously using the electric-field integral equation, discretized with the Rao-Wilton…

Metamaterials and Metasurfaces ApplicationsElectromagnetic Scattering and AnalysisAdvanced Antenna and Metasurface Technologies

Single-molecule vibrational pumping in SERS

C. M. Galloway、Eric C. Le Ru、P. Etchegoin2009-01-01Physical Chemistry Chemical Physics

Single-molecule vibrational pumping in surface-enhanced Raman scattering (SERS) is demonstrated rigorously using the bi-analyte SERS method at low temperatures. These experiments reveal a systematic difference between the radiative SERS cross section estimated from the Stokes intensity and that obtained by pumping its…

Gold and Silver Nanoparticles Synthesis and ApplicationsPlasmonic and Surface Plasmon ResearchSpectroscopy and Quantum Chemical Studies

Preparation of carboplatin-Fe@C-loaded chitosan nanoparticles and study on hyperthermia combined with pharmacotherapy for liver cancer

Furong Li、Wenhui Yan、Yuehua Guo 等 5 位作者2009-01-01International Journal of Hyperthermia

BACKGROUND: Magnetic fluid hyperthermia is a kind of technology for treating tumors based on nanotechnology. It is suitable to various types of tumors. The purpose of this study was to prepare carboplatin-Fe@C-loaded chitosan nanoparticles with Fe@C as a magnetic core and to investigate efficacy of hyperthermia combin…

Nanoparticle-Based Drug DeliveryUltrasound and Hyperthermia ApplicationsCancer Research and Treatment

Dielectric spectroscopy of unsymmetrical liquid crystal dimers showing wide temperature range TGBA and TGBC* phases

Abhay S. Pandey、Ravindra Dhar、Mayank Pandey 等 5 位作者2009-01-01Liquid Crystals

The electrical properties of frustrated twist grain boundary (TGB) phase are a matter of curiosity. Some studies have indicated the existence of soft and Goldstone modes in TGBA and TGBC* phases respectively. However, the experimental results are still not very conclusive. In the present work, we report dielectric stu…

Liquid Crystal Research AdvancementsMaterial Dynamics and PropertiesNonlinear Optical Materials Research

Tectonic arrangement of Bi2S3 nanocrystals into 2D networks

Yu Zhao、Yi Xie、Jiansheng Jie 等 5 位作者2009-01-01Journal of Materials Chemistry

Two-dimensional Bi2S3 networks have been fabricated through a soft chemical route, which is first developed for fabrication of chalcogenide 2D networks without the assistance of any templates or catalysts. The aspect ratio of Bi2S3nanorods in the 2D networks can be kinetically controlled and tuned by adjusting the exp…

2D Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Catalyst-Free Conversion of Alkali Cellulose to Fine Carboxymethyl Cellulose at Mild Conditions

Ghasem Najafpour、Babol Noshirvani2009-01-01OpenAlex

Cellulose fibers were converted into a valuable cellulose derivative, which is easily marketable with additional values. Alkali cellulose and carboxymethyl cellulose (CMC) is the most important cellulose derivatives. Alpha-cellulose was furnished as raw material for production of CMC, which is obtained from short cott…

Advanced Cellulose Research StudiesPolysaccharides Composition and ApplicationsElectrohydrodynamics and Fluid Dynamics

Synthesis, photophysical properties and color tuning of highly fluorescent 9,10-disubstituted-2,3,6,7-tetraphenylanthracene

Sheng‐Hsun Lin、Fang‐Iy Wu、Rai‐Shung Liu2009-01-01Chemical Communications

We report the synthesis of 9,10-disubstituted-2,3,6,7-tetraphenylanthracenes, of which the photophysical properties are altered significantly by the 9,10-functionalities; the emission wavelengths range from 410 to 610 nm with outstanding quantum yields for most fluorophores.

Luminescence and Fluorescent MaterialsSynthesis and Properties of Aromatic CompoundsPhotochromic and Fluorescence Chemistry

Probing the microscopic hydrophobicity of smectite surfaces. A vibrational spectroscopic study of dibenzo-p-dioxin sorption to smectite

Kiran Rana、Stephen A. Boyd、Brian J. Teppen 等 6 位作者2009-01-01Physical Chemistry Chemical Physics

The interaction of dibenzo-p-dioxin (DD), from aqueous suspension, with smectite was investigated using in situ vibrational spectroscopy (FTIR and Raman), structural and batch sorption techniques. Batch sorption isotherms were integrated with in situ attenuated total reflectance (ATR)-FTIR and Raman spectroscopy and X…

Soil and Unsaturated FlowClay minerals and soil interactionsNMR spectroscopy and applications