硫酸盐还原菌合成纳米硫化物的研究

项目名称： 硫酸盐还原菌合成纳米硫化物的研究

项目编号： No.31200049

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 微生物学、植物学

项目作者： 贡俊

作者单位： 山西财经大学

项目金额： 26万元

中文摘要： 微生物法合成纳米材料由于其方法简单、环境友好等特点，成为纳米材料制备领域一个新型的极具研究潜力和价值的方向。本项目利用微生物学和材料科学的有关实验和分析方法，对不同种硫酸盐还原菌制备多种纳米硫化物进行研究，并对其影响因素和产物形态性能进行分析，同时利用生物化学的分析方法和手段对纳米硫化物在细胞内外的分布状况和硫酸盐还原菌生成纳米硫化物的机理和途径进行详细探讨，为微生物合成纳米材料的研究开拓新的思路，此外，还将通过纳米产物的光催化性能及光致发光特性检测和掺杂不同离子的试验对发光机理和光催化性能等进行应用研究。本项目基于一种新颖的、学科交叉的思路拓展了细菌合成纳米材料的种类，利用两株硫酸盐还原菌在一定条件下制备一定形态和量的多种纳米硫化物产物，探索硫酸盐还原菌生成纳米硫化物的机理和途径并取得突破性进展，了解所制备的纳米硫化物的发光机理和光催化性能，为微生物合成纳米材料的研究和应用奠定理论基础。

中文关键词： 硫酸盐还原菌；纳米硫化物；合成；机理；性能

英文摘要： The synthesis of nano-materials by microbiological methods has become a new direction which pocesses research potential and value in nano-materials preparation fields because of its simple method and friendly environment. This project will study several nanophase sulfide preparation by different species of sulfate-reducing bacteria and analysis influence factors and morphology and properties of the products using microbiological and material analysis methods. The distribution of nanophase sulfide in the cell and the mechanism and the way of nanophase sulfide synthsis by sulfate-reducing bacteria will also be studied through biochemical analysis method and means which can exploit a new thought for microbiological synthesis of nanomaterials. The luminescent mechanism and photocatalytic property will also studied through the experiments about luminescent and photocatalytic property detection and doping different ions. This project develops the species of nanomaterials synthesis by bacteria based on a new thought which will embody subject cross. Various nanophase sulfide which have certain morphology and quantity will be prepared by two strain of sulfate-reducing bacteria under certain condition. The mechanism and the way of nanophase sulfide synthsis by sulfate-reducing bacteria will be studied and breakthrough pro

英文关键词： sulfate-reducing bacteria；nanoparticle sulfide；synthesis；mechanism；property