期刊
FOOD CHEMISTRY
卷 378, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.132084
关键词
Polyoxometalates; Graphene; Nitrofurazone; Modified electrode
资金
- National Natural Science Foundation of China [21871110]
- Natural Science Foundation of Fujian Province [2020J01674]
Nitrofurazone, although forbidden in aquaculture, is often illegally used due to its effective bactericidal effect. This study presents a sensitive detection method for nitrofurazone using functionalized polyoxometalate and graphene modified electrodes, allowing for direct detection at low levels in actual samples.
Nitrofurazone is forbidden to be used in aquaculture, but it is often used illegally because of its good bactericidal effect, and its content in animals is extremely low and difficult to detect directly. Hence, a functionalized polyoxometalate combined with graphene modified electrodes through layer-by-layer assembly has achieved a sensitive detection of nitrofurazone in a pH = 6 Na2HPO4-citrate buffer solution and its detection limit as low as 0.08952 mu M. Nitrofurazone has accelerated its electron transfer through [Ru-PMo12/PDDA-GO]3 modified electrode, thus realizing its direct detection at low levels through actual samples. This study provides a new perspective for the direct detection of nitrofurazone by electrochemical methods, which is of great significance for the supervision of nitrofurazone and the improvement of the quality and safety of aquatic products.
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