Highly resistant and sensitive colorimetric immunochromatographic assay for sibutramine (SBT) illegally adulterated into diet food based on PDA/AuNP labelling

Analyst, 2023, 148,5094-5104
DOI: 10.1039/D2AN02094G, Paper
Yun Zhao, Sijie Huang, Mengjia Chao, Yulong Wang, Pengyan Liu, Pan Li, Xuechen Fang, Michael N. Routledge, Chifang Peng, Cunzheng Zhang
Polydopamine coated AuNPs (PDA/AuNPs) with controlled shell thickness and packing density are synthesized and conjugated to mAb, which demonstrate high tolerance to salt and good stability in a wide pH range and improve the sensitivity of ICA.
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