碳量子点荧光探针的设计及其在农残检测中的应用进展

农药的长期、大量、不合理使用,对我国生态环境和农畜产品的安全生产及人体生命与健康构成了严重威胁。发展灵敏、高效的探针监测农药原体及其代谢产物对食品安全预警有重要意义。因此科研工作者致力于开发简单、高效的农残检测新策略。碳量子点作为一种新型荧光碳纳米材料,无毒无害,具有良好的稳定性及优越的光学性能,易于实现功能化,因此碳量子点荧光探针在农残检测方面极具应用潜力。该文对碳量子点荧光探针的研究进展进行综述,简述了碳量子点的特性及合成,重点介绍了碳量子点作为荧光探针在农残检测中的最新应用进展,并对其发展过程中尚待解决的问题进行总结,对未来发展方向进行展望。

Design of Carbon Quantum Dots Fluorescent Probes and Their Application Progress in Detection of Pesticide Residues

Pesticide residues resulting from high dosage of pesticides in agricultural production are increasingly threatening human life and health.In that case,researchers are devoted to developing simple new techniques for the quantitative detection of pesticide residues.Carbon quantum dots are a new type of fluorescent carbon nanoparticles with excellent optical properties and biocompatibility,which are easy to realize surface functionalization.Therefore,fluorescent probes based on carbon quantum dots have a good application potential in detection of pesticide residues.In this paper,the research on carbon quantum dot based fluorescent probes is reviewed,the characteristics and synthesis of carbon quantum dots are briefly presented,the latest application progress of carbon quantum dots as fluorescent probes in pesticide residues detection is detailedly introduced,and the problems that have yet to be resolved are summarized.Finally,the future development direction is also forecasted.