Vadia Foziya Yusuf, Malek Naved I, Kailasa Suresh Kumar
Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, 395 007, India.
J Fluoresc. 2025 Jul;35(7):5345-5354. doi: 10.1007/s10895-024-03919-y. Epub 2024 Sep 3.
In this study, carbon dots (CDs) were synthesized from Peltophorum pterocarpum flowers as the precursor material using the hydrothermal method. The fluorescence emission spectra of the resulting Peltophorum pterocarpum CDs (PP-CDs) exhibited excitation-independent behavior, showing the fluorescence emission peak at 410 nm when excited at 330 nm. This method is simple, rapid and well consistent with the green chemistry and sustainable analytical method development. The as-synthesized PP-CDs acted as a promising fluorescent probe for detecting carbendazim (CBZ) via aggregation-induced emission mechanism, showing a linear response to CBZ concentrations ranging from 1 to 30 μM, with a detection limit of 5.41 nM. This method was successfully applied to quantify CBZ in food samples, achieving excellent recoveries of 99% with a relative standard deviation (RSD) of less than 2%.
在本研究中，以紫檀花为前驱体材料，采用水热法合成了碳点（CDs）。所得紫檀碳点（PP-CDs）的荧光发射光谱表现出与激发无关的行为，在330nm激发时，荧光发射峰位于410nm处。该方法简单、快速，与绿色化学和可持续分析方法的发展高度契合。合成的PP-CDs作为一种有前景的荧光探针，通过聚集诱导发射机制检测多菌灵（CBZ），对1至30μM的CBZ浓度呈线性响应，检测限为5.41 nM。该方法成功应用于食品样品中CBZ的定量分析，回收率高达99%，相对标准偏差（RSD）小于2%。
