Library of electrocatalytic sites in nano-structured domains: Electrocatalysis of hydrogen peroxide

Tetrahydrofuran hydroperoxide and 3-Aminopropyltrimethoxysilane mediated controlled synthesis of Pd, Pd-Au, Au-Pd nanoparticles: Role of Palladium nanoparticles on the redox electrochemistry of ferrocene monocarboxylic acid

“…An increase in palladium nanogeometry relatively increases the hopping sites as reported earlier [21]. Accordingly, the reversible electrochemical behavior of Fc-COOH tends to be improved in the presence of PdNP 3 . Such finding also reflect role of distance between hopping sites and redox centres of the mediators on the charge transport that may again be facilitated on decreasing the same as reported earlier [40,41].…”

“…The use of nanomaterials and electron transfer relays in realizing the electron exchange from biological redox centre has been an active area of research having potentiality for the evolution of commercial biocompatible technology [1][2][3][4][5][6][7][8]. Extensive reports on the use of ferrocene and its derivatives as electron transfer mediator are documented during last three decades, justifying the commercial design of electrochemical biosensors [4][5][6][7].…”

Synthesis and Applications of Processable Prussian Blue Nanoparticles

“…Further, under anaerobic condition the redox centre of the oxidase enzyme may be regenerated either through the mediated mechanism [34][35] or through redox electrocatalysis [36]. Accordingly the PBNP hybrid electrode may serve as electrocatalyst as reported earlier [37] for both hydrogen peroxide and reduced oxidase enzyme that directed to probe glucose oxidase catalyzed reaction based on electrochemical biosensing using the PBNP hybrid electrode made with AuNP and Rubpy. The GOD along with PBNP and its hybrid was incorporated within graphite paste and the formation of hydrogen peroxide/reduced glucose oxisase as a function of glucose oxidase catalyzed reaction was monitored.…”

Non‐covalent Immobilization of Iron‐triazole (Fe(Htrz)3) Molecular Mediator in Mesoporous Silica Films for the Electrochemical Detection of Hydrogen Peroxide

“…Detection of hydrogen peroxide is relevant to various domains (biological, pharmaceutical, medical and environmental fields, or food and textile industry), and electrochemical methods have been developed for that purpose [39]. They include protein-based electrochemical biosensors [40,41] and nonenzymatic sensors involving the use of either charge transfer mediators [42,43] or nanomaterials [44][45][46], or a combination of both [47,48], or even nanocomposites (such as Pt nanoparticles and polyaniline hosted in mesoporous silica film [49]), in order to lower the high overpotentials usually associated to the electrochemical transformation of H 2 O 2 . Widely used mediators for H 2 O 2 sensing are Prussian Blue and related derivatives [50] as well as organic or organometallic compounds [42], often deposited onto electrode surfaces as polymeric coatings or as covalently attached moieties [43,51].…”