Gold‐dendrimer Nanocomposite based Electrochemical Sensor for Dopamine
نویسندگان
چکیده
An electrochemical sensor for dopamine was developed by electrodepositing poly(propylene imine) (PPI) dendrimer and gold nanoparticles (AuNPs) onto a glassy carbon electrode (GCE). Electrochemical characterisation of the carried out cyclic voltammetry impedance spectroscopy in ferri/ferrocyanide electrolyte. The nanocomposite (GCE-PPI-AuNPs) showed improved electroactive surface area response over bare GCE. recorded detection limit 0.16 μM concentration range 0.1 to 125 μM. applied human serum samples presence interfering substances such as ascorbic acid epinephrine.
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ژورنال
عنوان ژورنال: Electroanalysis
سال: 2022
ISSN: ['1040-0397', '1521-4109']
DOI: https://doi.org/10.1002/elan.202200099