Results 11 to 20 of about 2,016 (212)

Electrochemical Biosensor Based on Hairy Core–Shell Particles: Effect of Core Conductivity [PDF]

Small Science
In this study, the effect of the core material in hairy core–shell carriers with grafted poly(2‐(dimethylamino)ethyl methacrylate) (PDMAEMA) polymer brushes containing immobilized laccase from Trametes versicolor (TvL) is investigated. Conductive silver,
Pavel Milkin, Anila Antony, Hongtao Cai, Ceyda Topal, Antonia Debevc, Anne Linhardt, Alla Synytska, Leonid Ionov   +7 more
doaj   +3 more sources

Artificial Enzymatic Electrochemistry

ChemElectroChem
Artificial enzymatic electrochemistry has emerged as an effective method to extend the catalytic abilities of enzymes, further increasing selectivity and efficiency, while also addressing limitations with stability, substrate scope, and reaction scale ...
Nya E. Black, Dara Cheng, Brandon P. Grasty, Dylan G. Boucher   +3 more
doaj   +2 more sources

Bioelectrocatalysis with a palladium membrane reactor

Nature Communications, 2023
Enzymatic catalysis requires cofactors such as NAD(P)H, whose regeneration is currently accomplished via secondary enzymes or electrolytic cell. Here, the authors report an electrochemical method of cofactors regeneration without supporting enzymes or ...
Aiko Kurimoto, Seyed A. Nasseri, Camden Hunt, Mike Rooney, David J. Dvorak, Natalie E. LeSage, Ryan P. Jansonius, Stephen G. Withers, Curtis P. Berlinguette   +8 more
doaj   +3 more sources

Enzymatic Bioelectrocatalysis [PDF]

Catalysts, 2021
Enzymatic bioelectrocatalysis relies on immobilizing oxidoreductases on electrode surfaces, leading to different applications, such as biosensors [...]
Elisabeth Lojou, Xinxin Xiao
openaire   +2 more sources

Genetic Surfaceome E. coli Reprogramming Enables Selective Water Oxidation. [PDF]

Adv Mater
A novel enzymatic material based on bilirubin oxidase (BOD) surface‐expressed on E. coli for effective electrocatalysis is reported. With this material, highly efficient and selective water oxidation is achieved, a critical half reaction for synthetic photosynthesis. Abstract Programming catalytic behavior at the microbial genome level is a frontier in
Sedenho GC, Pacheco JC, Gut M, Lima FCDA, Dey S, Crespilho FN, Furst AL.   +6 more
europepmc   +2 more sources

Construction of biocomputing systems based on switchable bioelectrocatalysis and stimulus-responsive film electrodes

Sensors and Actuators Reports, 2021
The construction of biocomputing platforms, particularly based on multiple stimulus-responsive film electrodes and switchable bioelectrocatalysis, is briefly overviewed.
Wenjing Lian, Ruiqi Xiao, Jiaxuan Li, Huiqin Yao, Hongyun Liu   +4 more
doaj   +1 more source

Cu and SnO₂-Modified Carbon Felt for Electroenzymatic CO₂ Upcycling. [PDF]

ChemSusChem
Bioelectrode platform for sustainable CO2‐to‐formate conversion, combining electrochemical cofactor regeneration with enzyme immobilization. Cu‐modified electrodes enhanced NADH recycling compared to SnO2, while coupling with affinity‐immobilized formate dehydrogenase improved enzymatic turnover and stability while maintaining faradaic efficiency.
Maureira D, Wilson L, Guzmán H, Tommasi T, Fino D, Hernández S, Ottone C.   +6 more
europepmc   +2 more sources

Mediator Microbial Biosensor Analyzers for Rapid Determination of Surface Water Toxicity

Sensors, 2022
Microbial mediator biosensors for surface water toxicity determination make it possible to carry out an early assessment of the environmental object’s quality without time-consuming standard procedures based on standard test-organisms, and provide broad ...
Anna Kharkova, Vyacheslav Arlyapov, Anastasia Medvedeva, Roman Lepikash, Pavel Melnikov, Anatoly Reshetilov   +5 more
doaj   +1 more source

Sustainable One-Pot Electrochemical Approach for Entrapment of Multi-Enzymes and Biocompatible Redox Mediator. [PDF]

Chempluschem
Novel enzyme‐modified carbon felt electrodes are constructed for efficient bio‐electrocatalysis. Simultaneous electrodeposition of pyrrole and neutral red provides a facile one‐step approach for enzyme immobilization. The biocompatible conductive polymer matrix performs for the entrapment of dehydrogenase enzymes on the electrode and ensures sufficient
Seelajaroen H, Mayr F, Wielend D, Cobet M, Ulbricht C, Serdar Sariciftci N, Tekoglu S.   +6 more
europepmc   +2 more sources

The Structure of Bilirubin Oxidase from Bacillus pumilus Reveals a Unique Disulfide Bond for Site-Specific Direct Electron Transfer

Biosensors, 2022
Efficient oxygen-reducing biocatalysts are essential for the development of biofuel cells or photo-bioelectrochemical applications. Bilirubin oxidase (BOD) is a promising biocatalyst for oxygen reduction processes at neutral pH and low overpotentials ...
Shalev Gihaz, Nidaa Shrara Herzallh, Yifat Cohen, Oren Bachar, Ayelet Fishman, Omer Yehezkeli   +5 more
doaj   +1 more source