载银纳米颗粒多响应性复合水凝胶研究进展

摘要

Multi-responsive hydrogels loaded with silver nanoparticles have gained much attention in recent years .Such com-posite system combines responsive behavior of hydrogels with optical and electrical properties of silver nanoparticles .This composite system shows quick response to slight variation of temperature ,pH and ionic strength of medium and concentration of certain biolo-gical substances .This article reviews the recent research progress of classification and properties of multi-responsive hydrogels loaded with silver nanoparticles ,and applications of silver nanoparticles-loaded responsive hydrogels in catalysis ,biomedical field ,nanotech-nology and degradation of environmental pollutants .%近年来载银纳米颗粒多响应性复合水凝胶得到人们的广泛关注.该复合体系通过结合银纳米颗粒与水凝胶,不仅可以利用水凝胶的光学和电学特性,同时也表现出了对温度、pH、介质离子强度的轻微变化以及对某些生物物质浓度变化的快速响应.对近年来载银纳米颗粒多响应性复合水凝胶的性能和分类方法的研究进展进行了详述,介绍了该复合水凝胶在催化领域、生物医学领域、纳米技术和环境污染物质降解等方面的应用.