大豆蛋白功能碳量子点的制备
Preparation of Functional Carbon Quantum Dots of Soybean Protein
刘一鸣 1房莹 1张会清 2庞久寅1
作者信息
- 1. 北华大学吉林省木质材料科学与工程重点实验室,吉林吉林 132013
- 2. 吉林奥箭集团大成木业有限责任公司,吉林敦化 133700
- 折叠
摘要
以大豆蛋白为原料一步水热法合成了碳量子点.采用正交试验分析了不同条件对碳量子点产率的影响,并对碳量子点进行了表征.傅里叶红外光谱(FT-IR)表征结果显示碳点表面存在羧基、羟基等亲水性基团,荧光光谱确定了该碳量子点的最佳激发波长为370 nm,最佳发射波长为443 nm.正交试验结果表明:在水热反应时间3 h、水热反应温度180℃、柠檬酸的质量2 g时,合成的大豆蛋白碳量子点产率最高,为5.7％.合成的碳量子点具有良好的水分散性和较低的生物毒性.
Abstract
This paper focused on green chemistry,and carbon quantum dots were synthesized using soybean protein as raw material and one-step hydrothermal method.The results of Fourier infrared spectroscopy showed that there were hydrophilic groups such as carboxyl and hydroxyl groups on the surface of carbon points.The optimal excitation wavelength was determined to be 370 nm by fluorescence spectroscopy and the optimal emission occured at 443 nm.At the same time,orthogonal test was used to analyze the effects of different experimental conditions on the yield of carbon quantum dots.The yield of fluorescent carbon quantum dots of soybean protein was the best when the hydrothermal reaction time was 3 h,the hydrothermal reaction temperature was 180℃ and the mass of citric acid was 2 g.The synthesized carbon quantum dots had good water dispersibility and low biotoxicity.
关键词
大豆蛋白/碳点/荧光/水热反应Key words
soybean protein/carbon dots/fluorescence/hydrothermal reactions引用本文复制引用
基金项目
吉林省发改委产业创新专项资金资助项目(2021C041-6)
吉林省科学技术厅资助项目(YDZJ202203CGZH033)
出版年
2024
国家科技期刊平台
NSTL
万方数据