Andie J. Robinson
Impedimetric Characterization of Bipolar Nanoelectrodes with Cancer Cells
Robinson, Andie J.; Jain, Akhil; Rahman, Ruman; Abayzeed, Sidahmed; Hague, Richard J.M.; Rawson, Frankie J.
Authors
Akhil Jain
RUMAN RAHMAN RUMAN.RAHMAN@NOTTINGHAM.AC.UK
Associate Professor
SIDAHMED ABAYZEED SIDAHMED.ABAYZEED2@NOTTINGHAM.AC.UK
Assistant Professor
RICHARD HAGUE RICHARD.HAGUE@NOTTINGHAM.AC.UK
Professor of Additive Manufacturing
FRANKIE RAWSON Frankie.Rawson@nottingham.ac.uk
Associate Professor
Abstract
Merging of electronics with biology, defined as bioelectronics, at the nanoscale holds considerable promise for sensing and modulating cellular behavior. Advancing our understanding of nanobioelectronics will facilitate development and enable applications in biosensing, tissue engineering, and bioelectronic medicine. However, studies investigating the electrical effects when merging wireless conductive nanoelectrodes with biology are lacking. Consequently, a tool is required to develop a greater understanding of merging conductive nanoparticles with cells. Herein, this challenge is addressed by developing an impedimetric method to evaluate bipolar electrode (BPE) systems that could report on electrical input. A theoretical framework is provided, using impedance to determine if conductive nanoparticles can be polarized and used to drive current. It is then demonstrated that 125 nm of gold nanoparticle (AuNP) bipolar electrodes (BPEs) could be sensed in the presence of cells when incorporated intracellularly at 500 μg/mL using water and phosphate-buffered saline (PBS) as electrolytes. These results highlight how nanoscale BPEs act within biological systems. This research will impact the rational design of using BPE systems in cells for both sensing and actuating applications.
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 17, 2021 |
Online Publication Date | Oct 29, 2021 |
Publication Date | Nov 9, 2021 |
Deposit Date | Sep 23, 2021 |
Publicly Available Date | Oct 29, 2021 |
Journal | ACS Omega |
Electronic ISSN | 2470-1343 |
Peer Reviewed | Peer Reviewed |
Volume | 6 |
Issue | 44 |
Pages | 29495-29505 |
DOI | https://doi.org/10.1021/acsomega.1c03547 |
Public URL | https://nottingham-repository.worktribe.com/output/6296586 |
Publisher URL | https://pubs.acs.org/doi/10.1021/acsomega.1c03547 |
Files
acsomega.1c03547
(3.7 Mb)
PDF
Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
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