Poly(Azomethine-urethane)-based Fluorescent Chemosensor for the Detection of Cr3+ Cations in Different Water Samples

被引：7

作者：

Kamaci, Musa ^{[1
]}

机构：

[1] Piri Reis Univ, TR-34940 Istanbul, Turkey

来源：

JOURNAL OF FLUORESCENCE | 2023年 / 33卷 / 01期

关键词：

Fluorescence; Chromium; Chemosensor; Polyurethane; Quenching; SCHIFF-BASE; SENSOR; IONS; POLYURETHANES; PROBE; FE3+;

D O I：

10.1007/s10895-022-03037-7

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A highly selective, and effective poly(azomethine-urethane)-based chemosensor (HIMA) was prepared, and it used as a fluorescent sensor for the detection of Cr3+ cations in different solutions. The HIMA was prepared in two-step reactions by using hexamethylene diisocyanate, 2,4-dihydroxy benzaldehyde, and 2-aminophenol. The sensitivity and selectivity of the fluorescent probe were tested in the presence of different metal ions. The obtained findings indicated that the chemosensor exhibited a quenching effect against the only Cr3+ ion. The limit of detection (LOD) and limit of quantitation (LOQ) of the chemosensor HIMA were calculated as 7.98 x 10(-7) M, and 2.42 x 10(-6) M, respectively. In addition, the binding constant (Ka) of the chemosensor was calculated as 5.31 x 10(5) M-1.

引用

页码：53 / 59

页数：7

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