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国家自然科学基金(50174059): 作品数：28被引量：133H指数：6; 导出分析报告; 相关作者：阮建明周忠诚邹俭鹏申雄军黄伯云更多>>; 相关机构：中南大学更多>>; 相关期刊：《湖南师范大学学报（医学版）》《无机材料学报》《复合材料学报》《粉末冶金材料科学与工程》更多>>; 相关主题：羟基磷灰石复合生物材料生物材料功能梯度材料聚L-乳酸更多>>; 相关领域：一般工业技术医药卫生理学化学工程更多>>

PLGA材料仿生改性的最新进展被引量：2: 《粉末冶金材料科学与工程》2008年第6期323-329,共7页陈剑樊新周忠诚阮建明; 国家自然科学基金资助项目(50174059); 聚乳酸-乙交酯(PLGA)因具有优良的可降解性而在医用生物材料中得到了广泛应用,然而由于其表面缺乏细胞识别位点,以及存在亲水性和细胞亲和性不足等缺点,影响了细胞在其表面的粘附生长。为了得到生物功能和亲水性均较理想的聚乳酸类生物...; 关键词：聚丙交酯-乙交酯(PLGA) 降解聚合物亲水性仿生改性

Preparation and bioactivity of sol-gel macroporous bioactive glass被引量：1: 《Journal of University of Science and Technology Beijing》2008年第3期290-296,共7页Zhihua Zhou Jianming Ruan Jianpeng Zou Zhongcheng Zhou; the National Natural Science Foundation of China(No.50174059); Bioactive glass is well known for its ability of bone regeneration, and sol-gel bioactive glass has many advantages compared with melt-derived bioactive glass. 3-D scaffold prepared by the sol-gel method is a promisin...; 关键词：macroporous glass SOL-GEL in vitro bioactivity bone repair

Synthesis of optically active lactide catalyzed by nanocrystals of La-Ti composite oxides被引量：1: 《Journal of Central South University of Technology》2008年第4期469-473,共5页谷俐李菲马红霞张洋; Project(50174059)supported by the National Natural Science Foundation of China;Project(Y406469)supported by Natural Science Foundation of Zhejiang Province; With sol-gel method,nanometer La-Ti composite oxides were prepared.By means of atomic force microscope,the surface pattern,particle size distribution and specific surface area were studied.The newly prepared nanocryst...; 关键词：La-Ti composite oxides lactic acid LACTIDE CATALYSIS optical activity

Fabrication of 2D and 3D dendritic nanoarchitectures of CdS被引量：1: 《中国有色金属学会会刊：英文版》2008年第4期904-907,共4页谷俐; Project(50174059) supported by the National Natural Science Foundation of China;Project(Y406469) supported by the Science Foundation of Zhejiang Province, China; The controlled preparation of two-dimensional (2D) and three-dimensional (3D) dendritic nanostructures of CdS was reported. 2D dendritic patterns are obtained through the self-assembly of nanoparticles under the entro...; 关键词：硫化镉纳米材料半导体树枝状纳米结构

Synthesis and structural characterization of macroporous bioactive glass被引量：1: 《Journal of Central South University of Technology》2007年第3期301-304,共4页周智华阮建明邹俭鹏周忠诚申雄军; Project(50174059) supported by the National Natural Science Foundation of China; Porous sol-gel glass of CaO-SiO2-P2O5 system with macropores larger than 100 μm was prepared by adding stearic acid as pore former when the sintering was carried out at 700 ℃ for 3h.The sol-gel porous glass shows an...; 关键词：macroporous glass sol-gel method SYNTHESIS structural characterization

非等温结晶对PLLA的热行为和形貌的影响(英文)被引量：4: 《物理化学学报》2007年第5期647-650,共4页周智华阮建明周忠诚邹俭鹏; 国家自然科学基金(50174059)资助项目; 将聚L-乳酸(PLLA)熔化非等温熔融结晶,采用DSC、POM、SEM等技术研究了降温速率对PLLA的热行为和形貌的影响.PLLA在低降温速率(2℃·min^(-1))下的结晶在118℃伴随有结晶机制的转变.玻璃化温度和结晶度随着降温速率的降低而增大.随着降...; 关键词：聚-L-乳酸非等温结晶热行为形貌

Bioactivity of bioresorbable composite based on bioactive glass and poly-L-lactide被引量：5: 《中国有色金属学会会刊：英文版》2007年第2期394-399,共6页周智华阮建明邹俭鹏周忠诚申雄军; Project(50174059) supported by the National Natural Science Foundation of China; Bioactive and bioresorbable composite was fabricated by a solvent evaporation technique using poly-L-lactide(PLLA) and bioactive glass (average particle size: 6.8 μm). Bioactive glass granules are homogeneously distr...; 关键词：玻璃聚乳酸生物可再吸收性复合材料生物活性

高分子量聚L-乳酸(PLLA)的合成研究被引量：5: 《湖南科技大学学报（自然科学版）》2007年第1期81-85,共5页阮建明刘莹张海坡申雄军周忠诚; 国家自然科学基金(50174059); 以L-乳酸为原料,采用丙交酯开环聚合法合成聚L-乳酸(PLLA)．通过对单体纯度、催化剂用量、聚合温度、聚合时间等影响因素的考察,得出了合成粘均分子量可达到50万的PLLA的最佳条件．由于开环聚合制备PLLA反应的重现性较差,实验中对催化...; 关键词：聚乳酸粘均分子量聚合温度聚合时间催化剂量

Preparation of high viscosity average molecular mass poly-L-lactide被引量：2: 《Journal of Central South University of Technology》2006年第6期608-612,共5页周智华阮建明邹俭鹏周忠诚申雄军; Project (50174059) supported by the National Natural Science Foundation of China; Poly-L-lactide（PLLA） was synthesized by ring-opening polymerization fi＇om high purity L-lactide with tin octoate as initiator, and characterized by means of infi＇ared, and ^1H-nuclear magnetic resonance. The influ...; 关键词：POLY-L-LACTIDE POLYMERIZATION PURIFICATION high viscosity average molecular mass

聚L-乳酸(PLLA)的热稳定性被引量：4: 《粉末冶金材料科学与工程》2006年第6期367-371,共5页刘莹阮建明张海坡申雄军周忠诚; 国家自然科学基金资助项目(50174059); 聚L-乳酸(PLLA)是具有良好生物相容性和生物降解性的半结晶聚合物,其热稳定性较差,在加工中的热处理会造成材料严重降解,使其相对分子质量显著下降,机械性能明显降低。该文作者通过试验、分析,研究了加热时间和加热温度对提纯与未提纯P...; 关键词：聚L-乳酸热稳定性模压温度

国家自然科学基金(50174059)