摘要
水凝胶具有含水量高、柔韧性好、黏弹性高、生物相容性高以及独特的刺激响应特性,这使得水凝胶材料在细菌传感检测方面备受关注。基于水凝胶的细菌传感器及传感芯片的研究,对细菌的基础科学研究具有重要意义,更对细菌的快速高效检测、特定环境中的细菌污染防控和疾病传播控制等具有重要应用价值。本文针对近年来水凝胶在细菌传感检测方面的研究工作进行综述。简要介绍了水凝胶的种类,水凝胶与细菌之间相互作用的影响因素。重点综述了基于温敏型水凝胶、p H敏感型水凝胶、酶敏感型水凝胶以及特异性标识物功能化修饰的水凝胶构建的传感器和传感检测方法,并综述了基于水凝胶的新型柔性传感器和微流控传感芯片的研究进展。基于水凝胶的细菌传感器在检测效率、信号采集和稳定性等方面仍需进一步提升和拓展。随着新型水凝胶材料的出现,智能细菌传感器、柔性细菌传感器和集成微流控细菌传感芯片是目前发展的方向,在细菌检测方面显示出良好的发掘潜力和应用前景。
Hydrogels have the features of high water content,good flexibility,high viscoelasticity,high biocompatibility,and unique stimulus response characteristic,which makes hydrogel materials attract much attention in the detection of bacteria.The research of hydrogel-based bacterial sensors and sensor chips is of great significance to the basic scientific research of bacteria,and it also has important application value for rapid and efficient detection of bacteria,prevention and control of bacterial pollution in specific environments,and controlof disease transmission.The latest research works of hydrogel-based bacterial sensing detection are reviewed in this article.The types of hydrogel and the influence factors of the interaction between hydrogel and bacteria are briefly introduced.The sensors and sensing detection methods based on temperature-sensitive hydrogel,pHsensitive hydrogel,enzyme-sensitive hydrogel and functionalized hydrogels with specific markers are reviewed and discussed in detail.The research progress of new type hydrogel-based flexible sensors and hydrogel-based microfluidic sensor chips are highlighted.The detection efficiency,signal acquisition,and stability of the hydrogel-based bacterial sensors still need to be further improved and expanded.With the emergence of new hydrogel materials,much more attention have been paid to developments of smart bacterial sensors,flexible sensors,and integrated microfluidic sensor chips which are shown good exploration potential and application prospects in terms of bacterial detection.
作者
苏喜
葛闯
陈李
徐溢
Xi Su;Chuang Ge;Li Chen;Yi Xu(Key Disciplines Lab of Novel Micro-Nano Devices and System Technology&Key Laboratory of Optoelectronic Technology and Systems&Ministry of Education,Chongqing University,Chongqing 400044,China;School of Chemistry and Chemical Engineering,Chongqing University,Chongqing 400044,China;School of Optoelectronic Engineering,Chongqing University,Chongqing 400044,China;International R&D Center of Micro-Nano Systems and New Materials Technology,Chongqing University,Chongqing 400044,China;Chongqing University Cancer Hospital,Chongqing University,Chongqing 400044,China)
出处
《化学进展》
SCIE
CAS
CSCD
北大核心
2020年第12期1908-1916,共9页
Progress in Chemistry
基金
国家自然科学基金项目(No.62071072)
科技部重点研发计划重点专项项目(No.2020YFB2009001/2019YFC0214402)
重庆市研究生科研创新项目(No.CYB19035)
中央高校基础科学研究专项资金(No.2019CDYGYB003)资助。
