Ratiometric fluorescent test strips based on CB-Ni2+@CDs probes for visual detection of histamine

被引：1

作者：

Liu, Xiuying ^{[1
,4
]}

Kang, Si ^{[2
]}

Zhu, Lijie ^{[1
,4
]}

Wang, Wen ^{[1
]}

Zhang, Wei ^{[1
,4
]}

Wang, Pingping ^{[1
,4
]}

Shu, Zaixi ^{[1
,4
]}

Tang, Yiwei ^{[3
]}

机构：

[1] Wuhan Polytech Univ, Sch Food Sci & Engn, Wuhan 430028, Hubei, Peoples R China

[2] Bohai Univ, Coll Food Sci & Technol, Jinzhou 121013, Liaoning, Peoples R China

[3] Hebei Agr Univ, Coll Food Sci & Technol, Baoding 071001, Hebei, Peoples R China

[4] Minist Educ, Key Lab Deep Proc Major Grain & Oil, Wuhan 430028, Hubei, Peoples R China

来源：

FOOD CHEMISTRY-X | 2024年 / 22卷

关键词：

Ratiometric fluorescence; Test strips; Histamine; Biogenic amines; BIOGENIC-AMINES;

D O I：

10.1016/j.fochx.2024.101522

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Histamine is a biogenic amine with various physiological functions. However, excessive consumption of histamine can lead to various symptoms, and pose a threat to human lives. A ratiometric fluorescent test strip for visual detection of histamine was developed based on CB-Ni2+@CDs probes. As the concentration of histamine increases, the test strips exhibit a transition in fluorescence signal from yellow-green to blue. The RGB values were extracted from the images, and used for quantitative analysis of histamine. The method had a linear range of 0-1.0 mM, with a detection limit of 0.086 mM. The test strips were employed for the detection of histamine, and the recovery rate was found to be in the range of 88.3% to 104.69%, indicating a high level of accuracy. The uniqueness of the test strips lies in their ability to be produced simply by mixing CB, Ni2+ on a suitable polyvinyl alcohol/wood cellulose flber substrate.

引用

页数：8

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