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作 者:余光勤[1] 袁泽利[1] 杨洁[1] 吴庆[1] 胡庆红[1] 张铭钦[1] 江波[1] 卫钢 YU Guang-Qin YUAN Ze-Li YANG Jie WU Qing HU Qing-Hong ZHANG Ming-Qin JIANG Bo WEI Gang(School of Pharmacy, Zunyi Medical University Zunyi 563003, China CSIRO Manufacturing Flagship, PO Box 218, Lindfield, NSW 2070, Australia)
机构地区:[1]遵义医学院药学院,遵义563003 [2]澳大利亚联邦科学与工业研究组织,材料科学与工程分部,澳大利亚2070
出 处:《分析化学》2016年第10期1495-1503,共9页Chinese Journal of Analytical Chemistry
基 金:国家自然科学基金(No.81360471);教育部春晖计划(Nos.Z2014089,Z2014095)资助项目~~
摘 要:以4-甲基-2,6-二甲酰基苯酚和1,3,3-三甲基-2-亚甲基吲哚啉为原料合成了能同时识别Cu^(2+)和水合肼的螺吡喃双功能探针L,其结构经~1H NMR、^(13)C NMR、FT-IR和H RMS进行了表征。通过紫外-可见光谱法、荧光光谱法、核磁共振和质谱研究了探针L在p H=7.40的Tris-HCl-乙醇溶液(1∶1,V/V)中与19种金属离子、18种阴离子及9种胺类化合物的识别特性。结果表明,在p H=7.40的Tris-HCl-乙醇溶液(1∶1,V/V)中,相对于其它干扰离子,L对Cu^(2+)和水合肼具有特异选择性和专一性,制成试纸能够实现肉眼识别检测含μmol/L Cu^(2+)的水样。尤为重要的是,制备的含L的TLC板能实现在紫外灯下对液体和气体水合肼的肉眼识别。将L应用于水样和药物中Cu^(2+)或水合肼测定的回收率在83.5%~111.0%之间,相对标准偏差(RSD)<4%,说明L适用于环境污染监测和药物分析检测,具有潜在的应用前景。A spirobenzopyran-based probe( L) for the detection of Cu^2+ and hydrazine was synthesized by using 4-methyl-2,6-diformylphenol and 1,3,3-trimethyl-2-methyleneindoline, and its structure was characterized by1 H NMR,^13 C NMR,FT-IR and H RMS( ESI-MS). The recognition properties of the probe L with nineteen kinds of metral ions,eighteen kinds of anion ions and nine kinds of amine compounds had been investigated in Tris-HCl( p H = 7. 40)-ethanol solution( 1 ∶ 1, V / V) by UV-Vis, fluorescence spectrophotometry,1H NMR titration and MS. The results showed that the probe L exhibited higher selectivity and sensitivity towardsCu^2+ and hydrazine over other interfering objects in Tris-HCl( p H = 7. 40)-ethanol solution( 1∶ 1,V / V),and the color changes of L caused byCu^2+ and hydrazine could be observed by naked eyes. Thus,L could be loaded as test paper for detectingCu^2+ at μmol / L level in water solution by naked eyes. Notably,probe L could be used to detect hydrazine in liquid and gas state with different concentrations by detecting the color changes from readily prepared TLC plates. On the basis of this,the probe L was used in the determination ofCu^2+ in the water and drug samples with recoveries of 83.5%-111.0% and RSD of 4.0%.The results showed that this probe L had potential applications in the monitoring of environmental pollution and the analysis ofCu^2+ and hydrazine in drug.
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