ArticleAnalytical and bioanalytical chemistry2019
The influence of the shape of Au nanoparticles on the catalytic current of fructose dehydrogenase.
Article in Analytical and bioanalytical chemistry, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Review
- Biohybrid materials comprising an artificial peroxidase and differently shaped gold nanoparticles.Nanoscale advances · 2024Article
- A paper-based dual functional biosensor for safe and user-friendly point-of-care urine analysis.Lab on a chip · 2024Article
- Recent Advances in Electrochemical Enzyme-Based Biosensors for Food and Beverage Analysis.Foods (Basel, Switzerland) · 2023Review
- Article
- Nanomaterials in bioelectrochemical devices: on applications enhancing their positive effect.3 Biotech · 2022Review
- Amplification-free detection of SARS-CoV-2 using gold nanotriangles functionalized with oligonucleotides.Mikrochimica acta · 2022Article
- Amperometric Biosensors Based on Direct Electron Transfer Enzymes.Molecules (Basel, Switzerland) · 2021Review
- Enzyme-Based Biosensors: Tackling Electron Transfer Issues.Sensors (Basel, Switzerland) · 2020Review
- Porous Gold: A New Frontier for Enzyme-Based Electrodes.Nanomaterials (Basel, Switzerland) · 2020Review
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Authors and funding
9 authors.
Funding
Abstract
Graphite electrodes were modified with triangular (AuNTrs) or spherical (AuNPs) nanoparticles and further modified with fructose dehydrogenase (FDH). The present study reports the effect of the shape of these nanoparticles (NPs) on the catalytic current of immobilized FDH pointing out the different contributions on the mass transfer-limited and kinetically limited currents. The influence of the shape of the NPs on the mass transfer-limited and the kinetically limited current has been proved by using two different methods: a rotating disk electrode (RDE) and an electrode mounted in a wall jet flow-through electrochemical cell attached to a flow system. The advantages of using the wall jet flow system compared with the RDE system for kinetic investigations are as follows: no need to account for substrate consumption, especially in the case of desorption of enzyme, and studies of product-inhibited enzymes. The comparison reveals that virtually identical results can be obtained using either of the two techniques. The heterogeneous electron transfer (ET) rate constants (k
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