共 38 条
A unique turn-off fluorescent strategy for sensing dopamine based on formed polydopamine (pDA) using graphene quantum dots (GQDs) as fluorescent probe
被引:101
作者:

Weng, Shaohuang
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机构:
Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Liang, Dong
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机构:
Fujian Med Univ, Sch Publ Hlth, Dept Hlth Management, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Qiu, Huazhang
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h-index: 0
机构:
Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Liu, Zongen
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机构:
Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Lin, Zhen
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机构:
Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Zheng, Zongfu
论文数: 0 引用数: 0
h-index: 0
机构:
476 Hosp PLA, Fuzhou 350002, Peoples R China
Xiamen Univ, Affiliated Dongfang Hosp, Fuzhou 350025, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Liu, Ailin
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h-index: 0
机构:
Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Chen, Wei
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h-index: 0
机构:
Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China

Lin, Xinhua
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h-index: 0
机构:
Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China
Fujian Med Univ, Sch Publ Hlth, Dept Hlth Management, Fuzhou 350108, Peoples R China Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China
机构:
[1] Fujian Med Univ, Dept Pharmaceut Anal, Higher Educ Key Lab Nano Biomed Technol Fujian Pr, Fac Pharm, Fuzhou 350108, Peoples R China
[2] 476 Hosp PLA, Fuzhou 350002, Peoples R China
[3] Fujian Med Univ, Sch Publ Hlth, Dept Hlth Management, Fuzhou 350108, Peoples R China
[4] Xiamen Univ, Affiliated Dongfang Hosp, Fuzhou 350025, Peoples R China
基金:
中国国家自然科学基金;
美国国家科学基金会;
关键词:
Dopamine detection;
Graphene quantum dots;
Fluorescent sensor;
Polydopamine;
Serum;
MUSSEL-INSPIRED POLYDOPAMINE;
SURFACE;
NANOPARTICLES;
ELECTRODE;
CARBON;
MEMBRANE;
SENSOR;
GREEN;
ACID;
D O I:
10.1016/j.snb.2015.06.093
中图分类号:
O65 [分析化学];
学科分类号:
070302 ;
081704 ;
摘要:
A rapid, facile fluorescence sensing strategy was developed for dopamine (DA) detection based on poly-dopamine (pDA) formed on the surface of graphene quantum dots (GQDs). The prepared GQDs were strongly luminescent because of the aromatic planar structure. DA could self-polymerize to pDA and snap to the surface of GQDs to form a thin film in alkaline environment, leading to quenching of fluorescence due to fluorescence resonance energy transfer (FRET). With the optimized conditions, the analytical performance illustrated high sensitivity, selectivity in a wide linear range with a detection limit of 8 nM. In addition, the unique method was successfully applied for DA injection test with satisfactory labeled amount. Finally, the proposed strategy was applied for DA detection in serum, wherein accurate results were obtained. (C) 2015 Elsevier B.V. All rights reserved.
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页码:7 / 14
页数:8
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