Journal
ELECTROCHEMISTRY
Volume 85, Issue 7, Pages 384-390Publisher
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.85.384
Keywords
Graphene; Gold Nanoparticles; Aflatoxin B-1; Electrochemical Immunosensors
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Funding
- National Natural Science Foundation of China [61361002, 21665008]
- Youth project of Yunnan Province [2014FD054]
- key Project of Open Fund for Master Construction Disciplines of Yunnan Province [HXZ1304]
- Honghe University [XJ I4Z02]
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A novel method for preparing polyaniline/graphene (PANI/GN) nanocomposites was demonstrated by liquid-liquid interface polymerization method. Then the gold nanoparticles (Au NPs) were uniformly decorated on the PANI/GN surface to form gold/polyaniline/graphene (Au/PANI/GN) nanohybrids. The Au/PANI/GN nanohybrids film showed good electron transfer ability, which ensured high sensitivity to detect AFB(1) in a range from 0.05 to 25 ng/mL with a detection limit of 0.034 ng/mL obtained at 3 sigma (n = 10). The proposed immunosensor provided a simple tool for AFB(1) detection. (c) The Electrochemical Society of Japan, All rights reserved
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