数字农科院2.0

Cysteamine Triggered "Turn-On" Fluorescence Sensor For Total Detection Of Fumonisin B-1, B-2 And B-3

文献类型： 外文期刊

作者： Zhang, L; Sun, Y; Liang, XY; Yang, YY; Meng, XM; Zhang, Q; Li, PW; Zhou, Y

作者机构：

关键词： Gold Nanoparticles; Rhodamine B Isothiocyanate; Cysteamine; Fumonisins; Fluorescence "Turn-On" Sensor

期刊名称： FOOD CHEMISTRY

ISSN： 0308-8146

年卷期： 2020 年 327 卷

页码：

收录情况： JCR（2021版） ; EI（2021版）

摘要： A "turn-on" fluorescence sensor was developed for total detection of fumonisin B-1, B-2 and B-3 (FB1, FB2 and FB3) in maize samples. Rhodamine B isothiocyanate (RBITC) and gold nanoparticles (AuNPs) were employed as the energy donor-acceptor pairs. The intensity of restored fluorescence was inversely proportional to the concentration of the FBs. The limit of detection (LOD) of the sensor for FB1 was 23.80 pg/mL. The coefficient of variation (CV) was both less than 7% for intra- and inter-assay. The linear range was from 51.39 to 2125.92 pg/mL. The average recoveries of FBs from maize samples were ranged from 88.7% to 107.2%. The correlation coefficient of the results between the developed sensor and LC-MS/MS was 0.9970. To fulfill the procedure of the assay, only 46 min was needed. These results suggest that the fluorescence "turn-on" sensor has great potential applications in the analysis of FBs in maize samples.

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