期刊
TALANTA
卷 222, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.talanta.2020.121565
关键词
Functional nucleic acid; DNA nanodevices; Biosensor; Food contaminants; Detection
资金
- National Key Research and Development Program of China [2019YFC1606101]
- Research and Development Plan for Key Areas of Food Safety in Guangdong Province of China [2019B020211001]
- National Natural Science Foundation of China [21675178, 21976213]
This article reviewed the application of functional nucleic acid-based biosensors in food safety analysis, including their programmability, structural switches, and detection methods for various food contaminants.
It has seen increasing development of reliable, robust, and flexible biosensors for rapid food-safety analysis in the past few decades. Recently, functional nucleic acid-based biosensors have attracted attention because of their programmability, bottom-up characteristics, and structural switches. However, few systematic reviews devoted to categorizing the potential of DNA nanostructures and devices were found for detecting food contaminants. Hence, the applications of functional nucleic acid-based biosensors were reviewed for analyzing food contaminants, including foodborne pathogen bacteria, biotoxins, heavy metals, and et al. In addition to categorizing the various biosensors, multiple signal readout strategies, such as optical, electrochemical, and mass-based signals were also examined. Finally, the future changes and potential opportunities, as well as practical applications of functional nucleic acid-based biosensors were discussed.
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