基于水杨醛的Turn-on型铝离子荧光探针的研究

A turn-on fluorescence probe based on salicylaldehyde for aluminium ion

Al^(3+)的摄入量过多,会对人的神经系统造成极大破坏,导致痴呆,骨萎缩等病症.本研究利用水杨醛与Al^(3+)形成金属配合物,作为Turn-on型荧光探针实现对Al^(3+)的快速检测.该荧光探针对Al^(3+)具有高灵敏性和选择性,在Al^(3+)浓度为0~14μM的区间内,相对荧光强度与Al^(3+)的浓度呈现良好的线性关系(R^2=0.998 43),其检测限为0.16μM.

Intake of Al3＋ excessively could damage the human’s nervous system vastly,leading to dementia,bone atrophy and other diseases.Basing on the formation of the metal compound between salicylic aldehyde and Al3＋,we designed a novel turn-on fluorescent probe for Al3＋.The fluorescent probe was highly sensitive and selective to Al3＋,and the fluorescent intensity exhibited a good linear relationship with the concentration of Al3＋ between 0 and 14 μM（R2=0.998 43）.A detection limit of Al3＋ as low as 0.16 μM was achieved by this probe.