结合纳米材料的适配体传感器在重金属检测中的应用研究进展

Research progress of aptasensors combined with nanomaterials in heavy metal detection

将纳米材料独特的光学、电子和催化性能应用于适配体传感器中可大幅提高重金属检测的灵敏度并扩大选择性,是重金属检测领域的热点之一。该文综述了Pb 2+、Hg 2+、Cd 2+等重金属离子的适配体序列,总结了多种结合纳米材料的适配体传感器在重金属检测中的技术应用及优缺点,并对适配体传感器在重金属检测领域的应用前景进行了展望。

The application of the unique optical,electronic and catalytic properties of nanomaterials to aptasensors can greatly improve the detection sensitivity of heavy metal and expand the selectivity,which is one of the hot spots in the field of heavy metal detection.This article summarized the aptamer sequences of heavy metal ions such as Pb 2+,Hg 2+,Cd 2+,and reviewed the technical applications,advantages and disadvantages of various aptamer sensors combined with nanomaterials in heavy metal detection.The application prospects of the aptasensors in the field of heavy metal detection are forecasted.