As momentous reactive oxygen species (ROS), it is necessary to develop high-sensitivity and high-specificity fluorescent probes for tracking hypochlorite anion (ClO⁻) in environmental and biological systems. Herein, a kind of red luminescent carbon dots (NS-dots) was synthesized by one-step solvothermal method to detect ClO⁻ in PBS buffer solution (V_PBS:V_EtOH = 100:1, pH = 7.4). The NS-dots has high sensitivity and low detection limit (13.3 μmol/L) for detecting ClO⁻ with linear range from 6.7 × 10⁻⁵ mol/L to 26.7 × 10⁻⁵ mol/L. Using Rhodamine B (31% at 520 nm in water) as a reference, the NS-dots have a fluorescence quantum yield of 7.2%. Intracellular photostability, mitochondrial targeting properties and the fluorescence imaging towards intracellular ClO⁻ were demonstrated.

作为重大的活性氧物质（ROS），有必要开发高灵敏度和高特异性荧光探针用于跟踪次氯酸阴离子（CLO ^- ）对环境和生物系统。在本文中，一种红色发光碳点（NS-点）通过一步法溶剂热法合成来检测CLO ^-在PBS缓冲液溶液（V _PBS：V_乙醇 = 100：1，pH值= 7.4）。对NS-点具有用于检测CLO高灵敏度和低检测限（13.3微摩尔/ L）^-的线性范围为6.7×10 ^-5 摩尔/ L至26.7×10 ^-5 摩尔/升。使用若丹明B（在水中520 nm时为31％）作为参考，NS点的荧光量子产率为7.2％。细胞内的光稳定性，线粒体靶向性能和朝内的CLO荧光成像^-进行了论证。