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 257489 / 289578 页 · 当前展示 5,149,761–5,149,780 / 5,791,554 条匹配结果 · 摘要仅作预览

ENZYMATIC PROCESSING OF CHITINACEOUS WASTES FOR N-ACETYL-D-GLUCOSAMINE PRODUCTION: AN EXAMPLE OF GREEN AND EFFICIENT ENVIRONMENTAL MANAGEMENT

Ramkrishna Sen、Sancharini Das、Debasis Roy2012-01-01Environmental Engineering and Management Journal

Chitin from chitinaceous prawn shell waste, fungal biomass of Aspergillus fumigatus and Penicillium waksmanii was used as natural substrate for partially purified chitinase of Trichoderma harzianum to produce N-acetyl-D-glucosamine (GlcNAc), a medically important amino sugar.The isolated chitins were characterized wit…

biodegradable polymer synthesis and propertiesProtein Hydrolysis and Bioactive PeptidesChemistry and Chemical Engineering

Synthesis, characterization and application of Y[sub 3]Fe[sub 5]O[sub 12] nanocatalyst for green production of NH[sub 3] using magnetic induction method (MIM)

Jeefferie Abd Razak、Suriati Sufian、Ku Zilati Ku Shaari 等 6 位作者2012-01-01AIP conference proceedings

Y3Fe5O12 (YIG) was prepared through sol-gel technique and sintered at three different temperatures (1000-1200δC). Various characterizations on the morphological and structural properties of produced YIG have been done as to understand the potential of this unique magnetic type nanomaterial to be used in the catalyst a…

Catalytic Processes in Materials ScienceAmmonia Synthesis and Nitrogen Reduction

CARBON NANOTUBES COMPOSITE FOR ENVIRONMENTALLY FRIENDLY SENSING

Florica Manea、Anamaria Baciu、Adriana Remes 等 6 位作者2012-01-01Environmental Engineering and Management Journal

The performances of two types of multi-walled carbon nanotubes-based composite electrodes, i.e., MWCNT-Epoxy (CNT-Epoxy) and Natural Zeolite-modified-MWCNT-Epoxy (NZ-CNT-Epoxy) are described in order to use them for electroanalytical application.Both electrodes were synthesized, electrically and electrochemically char…

Electrochemical sensors and biosensorsConducting polymers and applicationsAnalytical Chemistry and Sensors

Primary Culture of the Human Olfactory Neuroepithelium

Nancy E. Rawson、Mehmet Hakan Özdener2012-01-01Methods in molecular biology

The central cell type involved in the initial perception of odors and transduction of the sensory signal are the olfactory receptor neurons (ORNs) located in the olfactory neuroepithelium of the nasal cavities. The olfactory epithelium is a unique system similar to the neuroepithelium of the embryonic neural tube, in…

Neurobiology and Insect Physiology ResearchOlfactory and Sensory Function StudiesPhotochromic and Fluorescence Chemistry

Obtaining Freshly Isolated and Cultured Mesenchymal Stem Cells from Human Adipose Tissue

Andrew C. Boquest、Philippe Collas2012-01-01Methods in molecular biology

The stromal compartment of adipose tissue harbors mesenchymal stem cells (MSCs) (also called stromal stem cells) that display extensive proliferative capacity and multilineage differentiation potential. Such cells offer a practical avenue of generating patient-matched tissue for use in regenerative medicine. It is rel…

Mesenchymal stem cell researchElectrospun Nanofibers in Biomedical ApplicationsTissue Engineering and Regenerative Medicine

Effect of Ceo 2 Doping on the Structure, Electrical Conductivity and Ethanol Gas Sensing Properties of Nanocrystalline Zno Sensors

A. M. El-Sayed、F. M. Ismail、M. H. Khder 等 5 位作者2012-01-01International Journal on Smart Sensing and Intelligent Systems

Abstract Nanocrystalline sensors having the general formula ZnO + x wt% CeO 2 , where x = 0, 2, 4 and 6 were prepared by chemical precipitation method and sintered at 400, 600 and 800 °c for 2h in static air atmosphere. The crystal structure and the morphology of the prepared samples were investigated and characterize…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsAnalytical Chemistry and Sensors

EXPLANATION AND ANALYSIS OF STANDARD FOR EVALUATION OF CONCRETE COMPRESSIVE STRENGTH(GB/T 50107-2010)

Jiancheng Wan2012-01-01OpenAlex

Revision of the Standard for Evaluation of Concrete Compressive Strength(GB/T 50107-2010) is expounded and it is discussed that which method should be adopted for evaluation of concrete compression strength during implementation of the standard provides guiding significance for engineering technicians to understand an…

Structural Behavior of Reinforced ConcreteStructural mechanics and materialsConstruction Engineering and Safety

Surface Effects and Problems of Nanomechanics

Н. Ф. Морозов2012-01-01Journal of Ningbo University

A boundary value problem on a circular nanometer hole in an elastic plane loaded at the boundary and infinity is solved.It is assumed that complementary surface stresses are acting at the boundary of the hole.Based on Goursat-Kolosov’s complex potentials and Muskhelishvili’s technique,the solution of the problem is re…

Structural mechanics and materialsElasticity and Wave PropagationAdvanced Theoretical and Applied Studies in Material Sciences and Geometry

ULTRA PERFORMANCE LIQUID CHROMATOGRAPHY: AN INTRODUCTION AND REVIEW

T. Sunil Kumar Reddy、G. Balammal、A. Saravana Kumar2012-01-01OpenAlex

Ultra Performance Liquid Chromatography (UPLC) is a relatively new technique giving new possibilities in liquid chromatography, especially concerning decrease of time and solvent consumption. UPLC chromatographic system is designed in a special way to withstand high system back-pressures. The quality control analyses…

Analytical Chemistry and ChromatographyCrystallization and Solubility StudiesChemical and Physical Properties in Aqueous Solutions

Green Cement Production: Potentials and Achievements

Emad Benhelal、Alireza Rafiei、Ezzatollah Shamsaei2012-01-01International Journal of Chemical Engineering and Applications

Abstract — In this work, three strategies of CO2 reduction including energy saving, carbon separation, and storage as well as utilizing alternative materials in detail have been reviewed. In case of energy saving approaches, shifting to more efficient process shows the best results since potentially mitigates almost 2…

Concrete and Cement Materials ResearchCO2 Sequestration and Geologic InteractionsMagnesium Oxide Properties and Applications

Efficacy evaluation of the fibroblast-seeded collagen/chitosan scaffold on application in skin tissue engineering

Sirintip Intaraprasit、Atchariya Faikrua、Anuphan Sittichokechaiwut 等 4 位作者2012-01-01ScienceAsia

There remains a need for dressings which aid the healing of chronically refractory wounds. To this end, we formulated and tested a collagen/chitosan scaffold supporting basic fibroblast growth factor (bFGF) producing cells. Collagen was blended with chitosan derived from crab shell (in ratio 7:3 of 3% weight of total…

Electrospun Nanofibers in Biomedical ApplicationsWound Healing and TreatmentsPeriodontal Regeneration and Treatments

Effect of Fluoride Prophylactic Agents on the Surface Topography of NiTi and CuNiTi Wires

Pratap Mane、Renuka Pawar、Chanamallappa Ganiger 等 4 位作者2012-01-01The Journal of Contemporary Dental Practice

ABSTRACT Aim The aim of this study was to see the effect of topical fluoride on surface texture on nickel-titanium and copper-nickel-titanium orthodontic archwires. Materials and methods Preformed rectangular NiTi and CuNiTi wires were immersed in in fluoride solution and artificial saliva (control) for 90 minutes at…

Dental materials and restorationsOrthodontics and Dentofacial OrthopedicsTitanium Alloys Microstructure and Properties

Deposition Temperature Effects On Cualse2 Compound Thin Films Prepared By Chemical Bath Deposition Technique

Sabastine C. Ezike2012-01-01IOSR Journal of Applied Physics

A low cost chemical bath deposition technique has been used for the preparation of Copper aluminum diselenide (CuAlSe 2 ) compound thin films onto commercial microscope glass substrates at variation of deposition temperature. The effects of deposition temperature (above room temperature (27C)) towards the optical prop…

ZnO doping and propertiesMetal and Thin Film Mechanicsnanoparticles nucleation surface interactions

The clinicopathological significance of Bax and Bcl-2 protein expression with tumor infiltrating lymphocytes in ovarian carcinoma

Seyran Yiğit、Lütfiye Demir、M Oktay Tarhan 等 9 位作者2012-01-01Neoplasma

The aim of the study was to establish the prognostic and predictive value of Bax and Bcl-2 proteins in conjunction with the host immune response in primary epithelial ovarian carcinoma.83 patients were evaluated. Immunohistochemical staining was performed using anti-Bcl-2 (Dako; clone 124) and anti-Bax (Springbio; E17…

Nanoparticle-Based Drug DeliveryImmunotherapy and Immune ResponsesMonoclonal and Polyclonal Antibodies Research

Intelligent Drug Delivery Systems Based on Modified Chitosan Nanoparticles

Mohammad Reza Saboktakin、Neda A. Tabar、Roya M. Tabatabaie 等 5 位作者2012-01-01Letters in Organic Chemistry

The purpose of this review is to discuss and summarize some of the interesting findings and applications of modified chitosan (MCS) and their derivatives in different areas of drug delivery. This review highlights the important applications of MCS in the design of various novel delivery systems like liposomes, microsp…

Nanoparticle-Based Drug DeliveryHydrogels: synthesis, properties, applicationsAdvanced Drug Delivery Systems

An Experimental Study of Decellularized Xenografts Implanted Into the Aortic Position with 4 Months of Follow Up

Pascal M. Dohmen、Francisco da Costa2012-01-01Journal of Clinical & Experimental Cardiology

This study evaluated decellularized stentless porcine xenografts into the aortic position of seven juvenile sheep. The hemodynamic performance were analyzed by means of echocardiographic examination. Post mortum, specimens were evaluated by gross examination, light microscopy, and immunohistochemical staining. Explant…

Electrospun Nanofibers in Biomedical ApplicationsTissue Engineering and Regenerative MedicineXenotransplantation and immune response

First principle study of the electronic structure of hafnium-doped anatase TiO2

Lezhong Li、Weiqing Yang、Yingchun Ding 等 4 位作者2012-01-01Journal of Semiconductors

Crystal structures and electronic structures of hafnium doping anatase TiO 2 were calculated by first principles with the plane-wave ultrasoft pseudopotential method based on the density functional theory within the generalized gradient approximation. The calculated results show that the lattice parameters a and c of…

TiO2 Photocatalysis and Solar CellsZnO doping and propertiesGas Sensing Nanomaterials and Sensors

Laboratory Evaluation of Asphalt Mixtures Containing Dry Added Ground Tire Rubber and a Processing Aid

Gaylong L Baumgardner、James Michael Hemsley、Walter S. Jordan 等 4 位作者2012-01-01OpenAlex

Commonly used to modify asphalt binder for use in hot-mix asphalt construction, ground tire rubber (GTR) is the focus of this study. For use as co-modifiers with GTR in asphalt binder modification for asphalt pavement construction, various additives have been recommended. Co-modifiers have been promoted more recently…

Asphalt Pavement Performance EvaluationPolymer Nanocomposites and PropertiesInfrastructure Maintenance and Monitoring

Investigation of Al-doped silicon nitride-based semiconductor and its shrinkage mechanism

Zhiyong Mao、Yingchun Zhu、Yi Zeng 等 8 位作者2012-01-01CrystEngComm

An Al-doped silicon nitride-based semiconductor is successfully synthesized by the chemical vapor deposition (CVD) technique. Optical, electrical and electronic properties are investigated in detail which reveal that Al-doped α-Si3N4 presents a typical semi-conductive character with a band-gap of 2.65 eV and an electr…

Advanced ceramic materials synthesisSemiconductor materials and devicesMXene and MAX Phase Materials