一种基于联二萘酚衍生物的荧光探针对铜离子的荧光识别  

A binaphthol-based fluorescent probe for Cu^(2+) recognition

作　　者：蒋莉[1] 赵佳[2] 汤立军[2] 

机构地区：[1]渤海大学图书馆,锦州121013 [2]渤海大学化学系,锦州121013

出　　处：《分析试验室》2017年第5期514-517,共4页Chinese Journal of Analysis Laboratory

基　　金：国家自然科学基金项目(21476029);辽宁省高等学校优秀人才支持计划(LR2015001)资助

摘　　要：合成了一种基于联二萘酚结构的荧光探针L并表征了其结构。在CH_3OH/H_2O(HEPES 10 mmol/L,1/1,V/V,pH 7.4)溶液中,探针L对Cu^(2+)表现出高度的选择性识别作用,并具有较强的抗干扰能力。在Cu^(2+)浓度0~50μmol/L范围内,探针L在378 nm处的荧光强度与Cu^(2+)浓度呈现良好的线性关系(R^2=0.9983)。L与Cu^(2+)的结合比为1:1,L对Cu^(2+)的检出限为1.32×10^(-6)mol/L,适用于在近中性及碱性条件下对铜离子的检测。A binapthol-containing fluorescent probe L was synthesized and its structure was characterized. In CH3OH/H2O （HEPES 10 retool/L, 1/1, V/V, pH 7.4） solution,probe L displays high selectivity to Cu^2＋ over other metal ions with an excellent anti-interference ability. The fluorescence intensity of L at 378 nm shows a good linear relationship versus Cu^2＋ concentration from 0 to 50 nmol/L. The binding ratio of L and Cu^2＋ was proved to be 1：1, and the detection limit of L for Cu^2＋ was calculated to be 1.32 × 10^4 tool/ L. L is applicable for Cu^2＋ detection under near neutral and alkaline conditons.

关 键 词：铜离子 荧光探针 联二萘酚 识别 

分 类 号：X132[环境科学与工程—环境科学]