{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Anuar NS"],"funding":["Institut Pengurusan dan Pemantauan Penyelidikan, Universiti Malaya"],"pagination":["17336-17344"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9053441"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["10(29)"],"pubmed_abstract":["A platinum-silver graphene (Pt-Ag/Gr) nanocomposite modified electrode was fabricated for the electrochemical detection of dopamine (DA). Electrochemical studies of the Pt-Ag/Gr nanocomposite towards DA detection were performed by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The CV analysis showed that Pt-Ag/Gr/GCE had enhanced electrocatalytic activity towards DA oxidation due to the synergistic effects between the platinum-silver nanoparticles and graphene. The DPV results showed that the modified sensor demonstrated a linear concentration range between 0.1 and 60 μM with a limit of detection of 0.012 μM. The Pt-Ag/Gr/GCE presented satisfactory results for reproducibility, stability and selectivity. The prepared sensor also showed acceptable recoveries for a real sample study."],"journal":["RSC advances"],"pubmed_title":["A dopamine electrochemical sensor based on a platinum-silver graphene nanocomposite modified electrode."],"pmcid":["PMC9053441"],"funding_grant_id":["PG093-2015B"],"pubmed_authors":["Anuar NS","Shalauddin M","Basirun WJ","Akhter S"],"additional_accession":[]},"is_claimable":false,"name":"A dopamine electrochemical sensor based on a platinum-silver graphene nanocomposite modified electrode.","description":"A platinum-silver graphene (Pt-Ag/Gr) nanocomposite modified electrode was fabricated for the electrochemical detection of dopamine (DA). Electrochemical studies of the Pt-Ag/Gr nanocomposite towards DA detection were performed by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The CV analysis showed that Pt-Ag/Gr/GCE had enhanced electrocatalytic activity towards DA oxidation due to the synergistic effects between the platinum-silver nanoparticles and graphene. The DPV results showed that the modified sensor demonstrated a linear concentration range between 0.1 and 60 μM with a limit of detection of 0.012 μM. The Pt-Ag/Gr/GCE presented satisfactory results for reproducibility, stability and selectivity. The prepared sensor also showed acceptable recoveries for a real sample study.","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Apr","modification":"2025-04-29T11:01:26.4Z","creation":"2025-04-06T19:45:45.655Z"},"accession":"S-EPMC9053441","cross_references":{"pubmed":["35521477"],"doi":["10.1039/c9ra11056a"]}}