壳聚糖及其在金属纳米材料制备中的应用

摘要

基于来源丰富、独特的理化性质及生物学特性的壳聚糖与金属复合成为纳米材料的研究,引起了研究者广泛的关注.人们利用生物分子或生物有机体合成的金属纳米材料反应条件温和、产物形貌可控、重复性高等特点,结合金属纳米材料的"尺寸效应"与生物分子的自身特性来提高两者的协同功能,进一步拓展研究与应用领域的发展.以下针对近年来壳聚糖、壳聚糖体系金属纳米材料的研制及应用等领域进行简要的总结、评述和展望.%Chitosan has natural abundance, unique bioactivity and attractive physicochemical properties. Recent years, the synthesisrnof chitosan-based metal nanomaterials has attracted increasing attention. The synthesis of metal nanoparticles utilizing biomelocularrnor organism offers a mild medium, and thus a greater degree of control over the nanoparticles produced, along with higherrnreproducibility. In particular, preparation of metal nanoparticles based on biomelocular or organism has its unique facility inrnintegrating “minimum feature sizes” into labile biological components to an excellent synergy and bifunctional effect andrnconsequently a more broad application. Herein, we review the new development of chitosan, chitosan-based synthesis of metalrnnanomaterials, and their application.