双功能g-C3N4@[Ru(byp)3]2+及其静电纺丝纳米纤维用于智能手机集成荧光检测花生油中黄曲霉毒素B1及光催化脱毒

IF 9.8 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry Pub Date : 2025-06-18 DOI:10.1016/j.foodchem.2025.145192

Ruiqing Sun , Jinfan Qin , Yue Li , Yongchao Ma , Hongyan Li , Qingli Yang

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引用次数: 0

摘要

制备了一种新型无抗体双功能g-C₃N₄@Ru纳米复合材料，用于花生油中黄曲霉毒素B1 （AFB1）的灵敏检测和高效脱毒。由于AFB1的电子转移，探针的颜色由橘红色变为蓝色，检测限低至0.0055 μM，线性范围宽（0-50 μM），检测时间为5 min。g-C₃N₄@Ru也表现出优异的光催化性能，通过活性物质（O₂−和O OH）的协同作用，在120 min内达到99.39 %的降解效率。为了提高便携性，纳米复合材料被集成到PAN电纺丝薄膜（PAN NFs）中，并与智能手机成像相结合进行监测。通过分析PAN NFs的荧光R/B比，开发了一种基于智能手机的传感器，其LOD提高到0.0015 μM。该策略为AFB1检测和解毒提供了一种创新、环保和便携的解决方案，具有食品安全监测和从油中去除霉菌毒素的潜力。

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Bifunction g-C3N4@[Ru(byp)3]2+ and its electrospun nanofibers for smartphone-integrated fluorescence detection of aflatoxin B1 in peanut oil and photocatalytic detoxification

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Bifunction g-C3N4@[Ru(byp)3]2+ and its electrospun nanofibers for smartphone-integrated fluorescence detection of aflatoxin B1 in peanut oil and photocatalytic detoxification

A novel antibody-free bifunctional g-C₃N₄@Ru nanocomposite was developed for the sensitive detection and efficient detoxification of Aflatoxin B₁ (AFB₁) in peanut oil. The probe exhibits a color change from orange-red to blue due to electron transfer with AFB₁, enabling detection with a low LOD of 0.0055 μM and a wide linear range (0–50 μM) in 5 min. g-C₃N₄@Ru also exhibits excellent photocatalytic properties, achieving 99.39 % degradation efficiency within 120 min via the synergistic action of active substances (‧O₂⁻ and ‧OH). To enhance portability, the nanocomposite was integrated into PAN electrospun films (PAN NFs) and combined with smartphone imaging for monitoring. A smartphone-based sensor was developed by analyzing the fluorescence R/B ratio of PAN NFs, achieving an improved LOD of 0.0015 μM. This strategy offers an innovative, eco-friendly, and portable solution for AFB₁ detection and detoxification, with potential for food safety monitoring and mycotoxin removal from oils.

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来源期刊

Food Chemistry 工程技术-食品科技

CiteScore

16.30

自引率

10.20%

发文量

3130

审稿时长

122 days

期刊介绍： Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.