Single entity electrochemistry in nanopore electrode arrays: Ion transport meets electron transfer in confined geometries

K Fu, SR Kwon, D Han, PW Bohn - Accounts of Chemical …, 2020 - ACS Publications
Conspectus Electrochemical measurements conducted in confined volumes provide a
powerful and direct means to address scientific questions at the nexus of nanoscience …

Nanoscale electrochemical sensor arrays: redox cycling amplification in dual-electrode systems

B Wolfrum, E Kätelhön, A Yakushenko… - Accounts of chemical …, 2016 - ACS Publications
Conspectus Micro-and nanofabriation technologies have a tremendous potential for the
development of powerful sensor array platforms for electrochemical detection. The ability to …

Thermally gated bio-orthogonal nanozymes with supramolecularly confined porphyrin catalysts for antimicrobial uses

R Cao-Milán, S Gopalakrishnan, LD He, R Huang… - Chem, 2020 - cell.com
Bio-orthogonal catalysis has the capability of localized generation of imaging and
therapeutic molecules in vitro and in vivo. The integration of these catalysts into …

Selective aptamer modification of Au surfaces in a microelectrode sensor array for simultaneous detection of multiple analytes

D Sen, RA Lazenby - Analytical Chemistry, 2023 - ACS Publications
Aptamers have been employed as the biorecognition element in electrochemical aptamer-
based (E-AB) biosensors, for the detection of a diverse range of analyte molecules, on …

Micro/nano electrode array sensors: advances in fabrication and emerging applications in bioanalysis

Y Liu, X Li, J Chen, C Yuan - Frontiers in Chemistry, 2020 - frontiersin.org
Due to the rapid development of micro/nano manufacturing techniques and the greater
understanding in electrochemical principles and methods, micro/nano electrode array …

Nanopore electrochemistry: a nexus for molecular control of electron transfer reactions

K Fu, PW Bohn - ACS central science, 2018 - ACS Publications
Pore-based structures occur widely in living organisms. Ion channels embedded in cell
membranes, for example, provide pathways, where electron and proton transfer are coupled …

Ring ultramicroelectrodes for current-blockade particle-impact electrochemistry

T Moazzenzade, T Walstra, X Yang, J Huskens… - Analytical …, 2022 - ACS Publications
In current-blockade impact electrochemistry, insulating particles are detected
amperometrically as they impinge upon a micro-or nanoelectrode via a decrease in the …

Redox cycling in nanogap electrochemical cells

HS White, K McKelvey - Current Opinion in Electrochemistry, 2018 - Elsevier
The repeated oxidation and reduction of a redox species (redox cycling) in a gap between
two working electrodes has primarily been used to study the kinetics of electrochemical …

Field-assisted splitting of pure water based on deep-sub-Debye-length nanogap electrochemical cells

Y Wang, SR Narayanan, W Wu - ACS nano, 2017 - ACS Publications
Owing to the low conductivity of pure water, using an electrolyte is common for achieving
efficient water electrolysis. In this paper, we have fundamentally broken through this …

Asymmetric nafion-coated nanopore electrode arrays as redox-cycling-based electrochemical diodes

K Fu, D Han, SR Kwon, PW Bohn - ACS nano, 2018 - ACS Publications
Inspired by the functioning of cellular ion channels, pore-based structures with nanoscale
openings have been fabricated and integrated into ionic circuits, for example, ionic diodes …