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13. Application of biosensors in the detection of okadaic acid in food

Author

CHEN Pan, LI Ying, YANG Lixia, and TAN Jianxi

Subjects
okadaic acid, aptamer, selex technology, biosensor, shellfish toxin, Food processing and manufacture, TP368-456, Nutrition. Foods and food supply, TX341-641
Abstract

Okadaic acid （OA） is widely distributed in seafoods and is a remarkable threat to food safety. Owing to its high toxicity， small size， and low molecular weight， obtaining antibodies against OA is a complex and difficult task. The aptamer SELEX technology can be used to achieve high affinity and single aptamer sequences for small molecules. Accordingly， this technology has several advantages for the detection of shellfish biotoxins. This review highlights the applications of biosensors based on OA aptamers， such as colorimetric sensors， fluorescent sensors， electrochemical sensors， and so on， in the rapid detection of OA. A summary of the performance and application potential of these sensors is provided， and the development direction of aptamer sensors is discussed to better promote their development and application.

Published
2024
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32. A review of application, modification, and prospect of melamine foam

Author

Wang Yapeng, Chen Zhaofeng, Lu Yeshang, Yang Lixia, Xu Ting, Wu Haisheng, Zhang Jianxun, and He Lihua

Subjects
melamine foam, melamine resin, nanotechnology modification, carbon foam, carbon aerogel, Technology, Chemical technology, TP1-1185, Physical and theoretical chemistry, QD450-801
Abstract

Melamine foam (MF), a promising development in light materials, finds application in construction, agriculture, aviation, transportation, electronic message, and other fields due to its excellent thermal insulation performance, sound absorption and noise reduction capabilities, safety and health benefits, as well as easy processing. However, its own shortcomings such as hardness, poor toughness, fragility, and slag removal greatly limit its application scope. In this review, a survey of the literature from two aspects of toughening of melamine resin and regulation of MF pore structure are reviewed to explore the research progress of toughening modification of MF. The principle, merit, and demerit of different modification methods are analyzed. In addition, owing to the extensive literature available, this article also summarizes the representative achievements of the nanotechnology modification of MF derivatives (carbon foam and carbon aerogel). Eventually, based on an assessment of current application status for both MF and its derivatives while considering existing challenges in their modification processes using nanotechnology approaches, we discuss future prospects for their application.

Published
2023
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