A quadruplet electrochemical platform for ultrasensitive and simultaneous detection of ascorbic acid, dopamine, uric acid and acetaminophen based on a ferrocene derivative functional Au NPs/carbon dots nanocomposite and graphene

• Published in: Analytica chimica acta Vol. 903; pp. 69 - 80
• Main Authors: Yang, Liuqing, Huang, Na, Lu, Qiujun, Liu, Meiling, Li, Haitao, Zhang, Youyu, Yao, Shouzhuo
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 15.01.2016
• Subjects: acetaminophen; Acetaminophen - analysis; analytical chemistry; ascorbic acid; Ascorbic Acid - analysis; Au/C NC; detection limit; dielectric spectroscopy; dopamine; Dopamine - analysis; electrochemistry; Ferrous Compounds - chemistry; Fourier transform infrared spectroscopy; glassy carbon electrode; gold; Graphene; Humans; Limit of Detection; Metallocenes; Nanocomposites; nanogold; oxidation; Quadruplet detection; reducing agents; Reproducibility of Results; scanning electron microscopy; Sensitivity and Specificity; Signal amplification; Simultaneous determination; thiols; transmission electron microscopy; uric acid; Uric Acid - analysis; Simultaneous determination; Au/C NC; Graphene; Signal amplification; Quadruplet detection

In this work, a new nanomaterial of thiol functional ferrocene derivative (Fc-SH) stabilized Au NPs/carbon dots nanocomposite (Au/C NC) coupling with graphene modified glassy carbon electrode (Fc-S-Au/C NC/graphene/GCE) was fabricated to serve as a quadruplet detection platform for ultrasensitive an...