期刊
ACS APPLIED MATERIALS & INTERFACES
卷 4, 期 8, 页码 3784-3787出版社
AMER CHEMICAL SOC
DOI: 10.1021/am3011498
关键词
conjugated polymer; polyphenylene ethynylene; p-nitrophenyl phosphate; acid phosphatase; prostatic acid Phosphotase; fluorescence assay
资金
- Ministry of Science and Technology of China [2012ZX09506001-010, 2012CB722605]
- Science Industry Trade and Information Technology Commission of Shenzhen Municipality [JC201005280602A]
We report a novel continuous and sensitive fluorescence turn on assay for ACPs, which consists of a cationic conjugated polyelectrolyte (PPE4+) and a commonly used phosphatase substrate p-nitrophenyl phosphate (pNPP). The kinetics of the ACP catalyzed hydrolysis of the substrate pNPP was monitored by the fluorescence change of PPE4+ and corresponding kinetic parameters were derived to be consistent with the literature reports. The applications of PPE4+/pNPP-based ACP assay in high throughput screening of ACP inhibitors and detection of prostatic acid phosphotase (PAP) in vitro were demonstrated.
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