A Novel Benzimidazole-Based Chemosensor for Fluorometric Determination of Zinc Ions

被引：17

作者：

Orhan, Ersin ^{[1
]}

Ergun, Ece ^{[2
]}

Sarkaya, Koray ^{[3
]}

Ergun, Umit ^{[1
]}

机构：

[1] Duzce Univ, Fac Arts & Sci, Dept Chem, TR-81620 Duzce, Turkey

[2] Turkish Energy Nucl & Mineral Res Agcy, Nucl Energy Res Inst, TR-06980 Ankara, Turkey

[3] Pamukkale Univ, Fac Sci & Arts, Dept Chem, TR-20160 Denizli, Turkey

来源：

JOURNAL OF FLUORESCENCE | 2021年 / 31卷 / 06期

关键词：

Chemosensor; Schiff base; Zinc ion; Benzimidazole; SCHIFF-BASE; FLUORESCENT CHEMOSENSORS; SELECTIVE DETECTION; ZN2+ IONS; RECOGNITION; ZN(II); CONJUGATE; SENSOR; PROBE;

D O I：

10.1007/s10895-021-02818-w

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A simple and novel Schiff base chemosensor (BMHM) based on benzimidazole was synthesized. In ethanol-water (1:1, v/v) medium on varying concentrations of Zn2+ chemosensor exhibited a strong and quick turn on fluorescence response. The Zn2+ recognition was based on the Chelation-enhanced fluorescence effect. The binding constant and limit of detection for BMHM-Zn2+ complexation were estimated to be 7.99 x 104 M-1 and 0.148 mu M, respectively. The extreme fluorescent enhancement caused by Zn2+ binding in chemosensor BMHM occurred at a pH range of 6-7. The practical use of chemosensor BMHM was tested by determination of Zn2+ in real water samples and comparing the results with the data obtained using high resolution inductively coupled plasma mass spectrometry.

引用

页码：1833 / 1842

页数：10

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