ICCAS OpenIR
Sensing ultra-trace dopamine by restoration of fluorescence on locally acidified gold nanoparticles
Hu, Feichi; Xu, Jiying; Chen, Yi
2019-08-07
Source PublicationANALYST
ISSN0003-2654
Volume144Issue:15Pages:4477-4482
AbstractAn ultra-sensitive sensor was fabricated to measure dopamine through quenching and restoring FITC fluorescence by the competitive binding of dopamine and N-acetylneuraminic acid with mercaptophenylboronic acid anchored on the gold nanoparticles. Assessed by quantifying dopamine in human urine samples, it reached a limit of detection of as low as 50 pM dopamine over a linear range from 10(-10) M to 10(-7) M. It also features low technical barriers and operation cost, and the strategy proposed could be extendable to other analytes and not restricted to the gold nanoparticles.
DOI10.1039/c9an00712a
Indexed BySCI
Language英语
WOS IDWOS:000476812000002
EI Accession Number1364-5528
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82677
Collection中国科学院化学研究所
AffiliationChinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Hu, Feichi,Xu, Jiying,Chen, Yi. Sensing ultra-trace dopamine by restoration of fluorescence on locally acidified gold nanoparticles[J]. ANALYST,2019,144(15):4477-4482.
APA Hu, Feichi,Xu, Jiying,&Chen, Yi.(2019).Sensing ultra-trace dopamine by restoration of fluorescence on locally acidified gold nanoparticles.ANALYST,144(15),4477-4482.
MLA Hu, Feichi,et al."Sensing ultra-trace dopamine by restoration of fluorescence on locally acidified gold nanoparticles".ANALYST 144.15(2019):4477-4482.
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