期刊
ANALYTICAL CHEMISTRY
卷 89, 期 11, 页码 6114-6120出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.7b00831
关键词
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资金
- National Science Foundation of China [81671784, 21505027, 81361140345, 51373043, 21535001]
- Ministry of Science and Technology of China [2013YQ190467]
- Chinese Academy of Sciences [XDA09030305]
This work demonstrates a highly sensitive peroxide test strip (PTS)-based enzyme-linked immunosorbent assay (ELISA) for both qualitative and quantitative detection of drugs of abuse (morphine) and disease biomarkers (interleukin-6 and HIV-1 capsid antigen p24): This color-based PTS is-a commercially available product with advantages of low-cost, easy operation, and portability, and it is an ideal signal readout strategy in ELISA to simplify the immunoassay procedures and enable point-of-care testing (POCT). In addition, we introduce-the bioorthogonal reaction that can effectively amplify the signal by controlling the cycles of bioorthogonal reaction to the desirble sensitivity depending on different analytes. The limit of detection is 0.2 ng/mL for morphine, 3.98 pg/mL for interleukin-6, and 11.6 pg/mL for detection of HIV-capsid-antigen (p24)This PTS-ELISA applies to both the qualitative and quantitative detection of IL-6 and p24 in clinical serum samples with good accuracy, which provides a promising tool for the POCT in clinical diagnosis.
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