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Title: Nanoporous Pt(Au) Alloys for the Enhanced, Non–enzymatic Detection of Hydrogen Peroxide under Biofouling Conditions

Journal Article · · Electroanalysis

The non-enzymatic electrochemical sensing of hydrogen peroxide (H2O2) is described. This study utilized a 3D bicontinuous nanoporous platinum-gold alloy-based sensor (NP-Pt(Au) electrode), which has a morphology that resembles a molecular sieve. SEM and CV were used to evaluate the morphological and electrochemical characteristics of the NP-Pt(Au) electrodes. The cathodic voltammetric response of H2O2 was enhanced at the NP-Pt(Au) as compared to planar Pt electrodes. Further, the nanoporous electrode was able to maintain the H2O2 voltammetric profile even in the presence of the biofouling agent, serum albumin. Its application as a non-enzymatic sensor for the amperometric measurement of H2O2 was explored.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
Virginia Commonwealth University; Brazilian Ministry of Higher Education, Coordination for the Improvement of Higher Education Personnel (CAPES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1958428
Journal Information:
Electroanalysis, Vol. 34, Issue 12; ISSN 1040-0397
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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