纳米材料
纳米技术
比色法
分析物
材料科学
水溶液中的金属离子
生物传感器
化学
金属
色谱法
冶金
作者
Yu Wu,Jing Feng,Guoqing Hu,En Zhang,Haiqin Yu
出处
期刊:Sensors
[MDPI AG]
日期:2023-03-02
卷期号:23 (5): 2749-2749
被引量:29
摘要
Colorimetric sensors have been widely used to detect numerous analytes due to their cost-effectiveness, high sensitivity and specificity, and clear visibility, even with the naked eye. In recent years, the emergence of advanced nanomaterials has greatly improved the development of colorimetric sensors. This review focuses on the recent (from the years 2015 to 2022) advances in the design, fabrication, and applications of colorimetric sensors. First, the classification and sensing mechanisms of colorimetric sensors are briefly described, and the design of colorimetric sensors based on several typical nanomaterials, including graphene and its derivatives, metal and metal oxide nanoparticles, DNA nanomaterials, quantum dots, and some other materials are discussed. Then the applications, especially for the detection of metallic and non-metallic ions, proteins, small molecules, gas, virus and bacteria, and DNA/RNA are summarized. Finally, the remaining challenges and future trends in the development of colorimetric sensors are also discussed.
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