碳量子点荧光水凝胶用于汗液中尿素的可视化检测本科生综合实验  

Comprehensive Experiment for Undergraduates:Fluorescent Carbon Quantum Dot Based Hydrogel for Visual Detection of Urea in Human Sweat

作　　者：王雅楠 刘彪 周胤宏 邓文芳 谭月明[1] 马铭[1] 谭亮[1] WANG Ya-Nan;LIU Biao;ZHOU Yin-Hong;DENG Wen-Fang;TAN Yue-Ming;MA Ming;TAN Liang(College of Chemistry and Chemical Engineering,Hunan Normal University,Changsha 410081,China;National Demonstration Center for Experimental Chemistry and Chemical Engineering Education,Hunan Normal University,Changsha 410081,China)

机构地区：[1]湖南师范大学化学化工学院,湖南长沙410081 [2]湖南师范大学化学化工国家级实验教学示范中心,湖南长沙410081

出　　处：《化学教育(中英文)》2025年第4期40-45,共6页Chinese Journal of Chemical Education

基　　金：分析化学实验改革在创新型人才培养中的探索与实践;湖南省教改项目HNJG-20230239(湘教通〔2023〕352号);湖南省大学生创新创业训练(S202310542143)。

摘　　要：综合化学实验一般具有较强的综合性,对高等院校学生学科素养与科学思维的培养具有较大的意义。紧跟学科发展前沿,指导学生通过制备生物质荧光氮掺杂碳量子点水凝胶,基于对pH的荧光响应特性,并结合智能手机识色软件,实现了人体汗液中尿素含量的可视化检测。该综合实验能提高学生综合运用基础知识和基本实验技能的能力,适合作为化学及相关专业的本科生综合实验。Comprehensive chemistry experiments generally have strong comprehensiveness and are of great significance in cultivating the subject literacy and scientific thinking of college students.We followed the forefront of discipline development and guided students to realize the visual detection of urea content in human sweat by preparing biomass fluorescent nitrogen doped carbon dots(N-CQDs)hydrogelbased on the fluorescence response characteristics to pH and with the use of smart phone color recognition software.This comprehensive experiment enhances students’ability to comprehensively apply basic knowledge and experimental skills,which is suitable for undergraduate students majoring in chemistry and related fields to conduct comprehensive experiments.

关 键 词：碳量子点 荧光水凝胶 可视化检测 综合实验 

分 类 号：G642[文化科学—高等教育学] R-4[文化科学—教育学] O657.3-4[医药卫生]