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QD-based fluorescent nanosensors: Production methods, optoelectronic properties, and recent food applications

文献类型： 外文期刊

作者： Jia, Zhixin 1 ; Shi, Ce 2 ; Yang, Xinting 1 ; Zhang, Jiaran 5 ; Sun, Xia 1 ; Guo, Yemin 1 ; Ying, Xiaoguo 6 ;

作者机构： 1.Shandong Univ Technol, Sch Agr Engn & Food Sci, Zibo, Shandong, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Informat Technol Res Ctr, Beijing 100097, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Cold Chain Logist Technol Agroprod, Beijing, Peoples R China

4.Beijing Acad Agr & Forestry Sci, Natl Engn Lab Agriprod Qual Traceabil, Beijing, Peoples R China

5.Beijing Univ Civil Engn & Architecture, Sch Elect & Informat Engn, Beijing, Peoples R China

6.Zhejiang Ocean Univ, Coll Food & Pharm, Zhoushan, Zhejiang, Peoples R China

关键词： food quality and safety; optical properties; QD-based fluorescent nanosensors; trace level detection/monitoring

期刊名称：COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY （ 影响因子：14.8； 五年影响因子：17.1 ）

ISSN： 1541-4337

年卷期： 2023 年

页码：

收录情况： SCI

摘要： Food quality and safety are crucial public health concerns with global significance. In recent years, a series of fluorescence detection technologies have been widely used in the detection/monitoring of food quality and safety. Due to the advantages of wide detection range, high sensitivity, convenient and fast detection, and strong specificity, quantum dot (QD)-based fluorescent nanosensors have emerged as preferred candidates for food quality and safety analysis. In this comprehensive review, several common types of QD production methods are introduced, including colloidal synthesis, self-assembly, plasma synthesis, viral assembly, electrochemical assembly, and heavy-metal-free synthesis. The optoelectronic properties of QDs are described in detail at the electronic level, and the effect of food matrices on QDs was summarized. Recent advancements in the field of QD-based fluorescent nanosensors for trace level detection and monitoring of volatile components, heavy metal ions, food additives, pesticide residues, veterinary-drug residues, other chemical components, mycotoxins, foodborne pathogens, humidity, and temperature are also thoroughly summarized. Moreover, we discuss the limitations of the QD-based fluorescent nanosensors and present the challenges and future prospects for developing QD-based fluorescent nanosensors. As shown by numerous publications in the field, QD sensors have the advantages of strong anti-interference ability, convenient and quick operation, good linear response, and wide detection range. However, the reported assays are laboratory-focused and have not been industrialized and commercialized. Promising research needs to examine the potential applications of bionanotechnology in QD-based fluorescent nanosensors, and focus on the development of smart packaging films, labeled test strips, and portable kits-based sensors.

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