聚合物包覆的硫化镉量子点的制备及其在次氯酸根检测中的应用

次氯酸根(ClO^-)作为消毒剂和漂白剂的有效成分，常用于的人类生产和生活中。在狭小密闭空间内使用含有次氯酸根的消毒剂存在一定安全隐患，同时ClO^-在体内的参与人体的多项生命活动，过量的ClO^-存在于人体会对人体的免疫系统造成极大危害，诱发多种疾病。因此检测ClO^-是十分必要的。本文采用一锅法，以聚乙烯亚胺为配体合成一种硫化镉量子点荧光探针实现对ClO^- 的检测，结果显示，探针对ClO^- 的识别具有较高的选择性和抗干扰能力，其检测范围在0~40 nmol/L，检测限为0.5 nmol/L。

Preparation of cadmium sulfide quantum dot and its application in the detection of hypochlorite

Hypochlorite (ClO^-), as an effective component of disinfectant and bleach, is commonly used in human production and life.The use of disinfectant containing hypochlorite in a small confined space has certain safety risks. At the same time, ClO^-participates in a number of life activities of human body in the body. Excessive ClO^- in the body will cause great harm to the immune system of human body and induce a variety of diseases.Therefore, it is necessary to detect ClO^- .In this paper, a cadmium sulfide quantum dot fluorescent probe was synthesized by one-pot method using polyethylenimine as the ligand to detect ClO^-. The results show that the probe has high selectivity and anti-interference ability in ClO^- recognition, and the detection range is 0~40 nmol/L, and the detection limit is 0.5 nmol/L.