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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Guo, Xinrong Wu, Fangying Ni, Yongnian Kokot, Serge |
| Description | Country affiliation: China Author Affiliation: Guo X ( State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China); Wu F ( School of Chemistry, Nanchang University, Nanchang, 330031, China.); Ni Y ( State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China. Electronic address: ynni@ncu.edu.cn.); Kokot S ( School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology, Brisbane, 4001, Australia.) |
| Abstract | A strong red fluorescent nanocomposite, consisting of graphite-like carbon nitride nanosheets (g-C N NSs) and serum albumin-capped Au nanoclusters (AuNCs), was synthesized. Dopamine (DA) can quench the red fluorescence of the nanocomposite, based on the Forster resonance energy transfer (FRET) mechanism. In this quenching process, the energy is transferred from the fluorescent g-C N NSs-AuNCs to the oxidized DA quinine molecules (DA is easily oxidated to form DA quinine in air). The red fluorescence emission at 420 nm decreases dramatically and the quenching ratio (F - F)/F is linearly related to the concentration of DA in the range of 0.05-8.0 µmol L with a detection limit of 0.018 µmol L (S/N = 3). Additionally, this sensor has a potential of application to assay the DA in the real samples, such as human serum and human urine. |
| File Format | HTM / HTML |
| ISSN | 00032670 |
| Journal | Analytica Chimica Acta |
| Volume Number | 942 |
| e-ISSN | 18734324 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-10-26 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Environmental Chemistry Analytical Chemistry Biochemistry |
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