碳点在荧光检测领域的研究进展

Recent Advances of Carbon Dots for Fluorescent Detection

荧光碳点传感器在环境、食品和生物样品的快速检测方面获得了广泛的关注。综述了碳点在该领域的研究进展,包括碳点荧光特性、发光机制、荧光响应机制及构建荧光传感器的策略。以农药为例,介绍了酶、抗体、适配体和分子印迹聚合物等主要传感器识别单元,为快速灵敏检测提供了极大的可能。除了将这些新兴传感器与其他策略进行性能比较之外,还讨论了实际传感器设计中存在的局限和面临的挑战,最后探讨了荧光碳点传感器的前景。

Carbon dot(CDs)based fluorescent sensors for rapid detection of environmental,food and biological samples have received wide attention.This paper reviewed the research progress of CDs in this field,including fluorescence properties,luminescence mechanism,fluorescence response mechanism and strategies for constructing fluorescent sensors.Taking pesticides as an example,the main sensor recognition units,such as enzymes,antibodies,aptamers and molecularly imprinted polymers,were introduced for the construction of CDs based fluorescent sensors,providing great possibilities for rapid and sensitive detection in the practical applications.In addition to comparing the performance of these emerging sensors with other strategies,the limitations and challenges faced in practical sensor design were discussed,and finally,the prospects of CDs based fluorescent sensors were discussed.