文献类型：期刊文献

英文题名：Nitrogen and sulfur doped carbon nanomaterials based on cucurbiturils for visual detection of nitroaniline

作者：Liu, Li Cen, Ran Xiao, Zhiyou Tao, Zhu Xiao, Xin

第一作者：Liu, Li

通信作者：Xiao, X[1]

机构：[1]Guizhou Univ, Sch Chem & Chem Engn, Key Lab Macrocycl & Supramol Chem Guizhou Prov, Guiyang 550025, Peoples R China;[2]Guizhou Inst Technol, Sch Chem Engn, Guiyang 550025, Peoples R China

第一机构：Guizhou Univ, Sch Chem & Chem Engn, Key Lab Macrocycl & Supramol Chem Guizhou Prov, Guiyang 550025, Peoples R China

通信机构：corresponding author), Guizhou Univ, Sch Chem & Chem Engn, Key Lab Macrocycl & Supramol Chem Guizhou Prov, Guiyang 550025, Peoples R China.

年份：2025

卷号：1322

外文期刊名：JOURNAL OF MOLECULAR STRUCTURE

收录：;WOS:【SCI-EXPANDED(收录号:WOS:001348946800001)】；

基金：This work was supported by Science and Technology Foundation of Guizhou Province (Qiankehe Jichu ZK[2021]077) .

语种：英文

外文关键词：Carbon nanomaterials; Cucurbit[ n ]uril; Fluorescent probe; Host-guest interaction; Nitroaniline

摘要：Nitroaniline (NA), specifically p-Nitroaniline (p-NA), is a toxic and poorly biodegradable compound that poses significant risks to the environment and human health. Therefore, the development of an efficient method for detecting p-NA is paramount. In this study, blue fluorescent carbon dots, Q[6]-CDs and Q[7]-CDs, were synthesized using cucurbit[n]uril (Q[n]) and mercaptosuccinic acid (MSA), exhibiting remarkable abilities to differentiate NA isomers and visually detect p-NA. By leveraging the internal filter effect (IFE) and electron transfer (ET) quenching mechanism, Q[7]-CDs achieved rapid and sensitive detection of p-NA with a limit of detection (LOD) as low as 0.61 mu M. Furthermore, a supramolecular fluorescent array sensor utilizing these CDs successfully discriminated between NA isomers. Additionally, Q[7]-CDs were integrated with a smartphone to create a portable fluorescent sensing platform for visual detection of p-NA in water samples, achieving a LOD of 1.76 mu M. When applied to the detection of p-NA in tap water and river water, spiked recoveries ranged from 102.8 % to 110.0 % and 103.0 % to 110.9 %, respectively. The sensors demonstrated high sensitivity, robustness against interference, and simplicity in application, indicating their potential for use in environmental monitoring.