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Authors: He T, Wang GN, Liu JX, Zhao WL, Huang JJ, Xu MX, Wang JP, Liu J
Article Title: Dummy molecularly imprinted polymer based microplate chemiluminescence sensor for one-step detection of Sudan dyes in egg.
Publication date: 2019
Journal: Food Chemistry
Volume: 288
Page numbers: 347-353.
DOI: 10.1016/j.foodchem.2019.03.031
Alternative URL: https://www.sciencedirect.com/science/article/pii/S0308814619305084
Abstract: The objective of this study is to report a molecularly imprinted polymer-based chemiluminescence method for determination of Sudan dyes. A dummy-template molecularly imprinted polymer capable of recognizing seven Sudan dyes was first synthesized and its recognition mechanism was studied by using computation simulation method. The polymer was coated in the wells of conventional microplate to prepare a chemiluminescence sensor and the assay process consisted of only one sample-loading step prior to signal acquisition. The optimized sensor was used to determine the seven dyes in egg yolk and the results were confirmed with a high performance liquid chromatography. Results showed that this sensor achieved ultrahigh sensitivity (1.0-5.0 pg/mL), rapid assay process (10 min) and satisfactory recovery (70.5%-92.2%). Furthermore, the sensor could be reused for 5 times. Therefore, this sensor could be used as a useful tool for screening the residues of Sudan dyes in egg
Template and target information: sudan dyes
Author keywords: Sudan dyes, dummy template, molecularly imprinted polymer, Computation simulation, Chemiluminescence sensor, Egg
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