Rapid, ultrasensitive, highly selective detection of toxic Hg(II) ions in seabass, swordfish and water samples

被引：42

作者：

Erdemir, Eda ^{[1
,2
]}

Suna, Garen ^{[1
]}

Gunduz, Simay ^{[1
]}

Sahin, Musa ^{[2
]}

Eglence-Bakir, Songul ^{[2
]}

Karakus, Erman ^{[1
]}

机构：

[1] Natl Metrol Inst, Organ Chem Lab, TUBITAK UME, Chem Grp, TR-41470 Gebze, Turkey

[2] Istanbul Univ, Fac Sci, Dept Chem, Div Inorgan Chem, Istanbul, Turkey

来源：

FOOD CHEMISTRY | 2022年 / 371卷

关键词：

Triphenylamine; Fluorescent probe; Mercury(II) ions detection; Thiosemicarbazide; Water and seafood analysis; FLUORESCENT-PROBE; MERCURY; METHYLMERCURY; EXPOSURE; HG2+; RISK; GOLD; FISH;

D O I：

10.1016/j.foodchem.2021.131309

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A novel fluorescent probe bearing triphenylamine, thiophene and thiosemicarbazide (TPA-TSC) was developed, and its distinct features were investigated. TPA-TSC demonstrated excellent selectivity towards Hg2+ ions, with a limit of detection (0.14 nM) among the lowest reported to date. It also exhibited a turn-off response by forming stable complex for a brief period (<30 s). Job plot analysis and high-resolution mass spectrometry (HRMS) revealed that TPA-TSC bound to Hg2+ with a 2:1 stoichiometry in an aqueous environment, remarkably the probe successfully detected Hg2+ ions in seabass, swordfish and different samples of water. In all, TPA-TSC offers a promising method for accurately determining the quality of seafood and water samples polluted with Hg2+.

引用

页数：7

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