title: A highly sensitive hydrogen peroxide sensor based on (Ag-Au NPs)/poly[o-phenylenediamine] modified glassy carbon electrode.
abstract: Herein, the poly(o-phenylenediamine) decorated with gold-silver nanoparticle (Ag-Au NPs) nanocomposite modified glassy carbon was used for the determination of hydrogen peroxide. Electrochemical experiments indicated that the proposed sensor possesses an excellent sensitivity toward the reduction of hydrogen peroxide. The resulting sensor exhibited a good response to hydrogen peroxide over linear range from 0.2 to 60.0μM with a limit of detection of 0.08μM, good reproducibility, long-term stability and negligible interference from ascorbic acid, uric acid and dopamine. The proposed sensor was successfully applied to the determination of hydrogen peroxide in human serum sample.
authors.affiliation: Department of Chemistry, Razi University, Kermanshah, Iran. Electronic address: mshamsipur@yahoo.com.
authors.forename: Mojtaba
authors.initials: M
authors.lastname: Shamsipur
authors.affiliation: Department of Chemistry, Payame Noor University (PNU), PO Box 19395-3697, Tehran, Iran.
authors.forename: Ziba
authors.initials: Z
authors.lastname: Karimi
authors.affiliation: Department of Chemistry, Razi University, Kermanshah, Iran; Department of Chemistry, Bonab Research Center, BNRC, NSTRI, P.O. Box 56515-196, Bonab, East Azerbaijan, Iran.
authors.forename: Mahmoud
authors.initials: M
authors.lastname: Amouzadeh Tabrizi
mesh_terms: D002244:Carbon; D004566:Electrodes; D006046:Gold / Q000737:chemistry*; D006801:Humans; D006861:Hydrogen Peroxide / Q000032:analysis* / Q000097:blood; D053768:Metal Nanoparticles / Q000737:chemistry*; D053761:Nanocomposites / Q000737:chemistry*; D010655:Phenylenediamines; D012680:Sensitivity and Specificity; D012834:Silver / Q000737:chemistry*
chemical_list: D010655:Phenylenediamines; D012834:Silver; D002244:Carbon; D006046:Gold; D006861:Hydrogen Peroxide
keywords: Au–Ag nanoparticles; Electrochemical sensor; Hydrogen peroxide; O-phenylenediamine