Characterizing electron transport through living biofilms

M Yates, S Strycharz-Glaven, J Golden, J Roy… - JoVE (Journal of …, 2018 - jove.com
Here we demonstrate the method of electrochemical gating used to characterize electrical
conductivity of electrode-grown microbial biofilms under physiologically relevant conditions …

Millimeter scale electron conduction through exoelectrogenic mixed species biofilms

C Li, KL Lesnik, Y Fan, H Liu - FEMS Microbiology Letters, 2016 - academic.oup.com
The functioning of many natural and engineered environments is dependent on long
distance electron transfer mediated through electrical currents. These currents have been …

[PDF][PDF] Pathogens electrogenicity as a tool for in-situ metabolic activity monitoring and drug assessment in biofilms

W Miran, D Naradasu, A Okamoto - Iscience, 2021 - cell.com
Concerns regarding increased antibiotic resistance arising from the emergent properties of
biofilms have spurred interest in the discovery of novel antibiotic agents and techniques to …

Microbial current production from Streptococcus mutans correlates with biofilm metabolic activity

D Naradasu, A Guionet, W Miran, A Okamoto - Biosensors and …, 2020 - Elsevier
Once pathogens form a biofilm, they become more tolerant to drugs and quicker to recover
from physical removal than planktonic cells. Because such robustness of a biofilm is …

Redox conductivity of current-producing mixed species biofilms

C Li, KL Lesnik, Y Fan, H Liu - PLoS One, 2016 - journals.plos.org
While most biological materials are insulating in nature, efficient extracellular electron
transfer is a critical property of biofilms associated with microbial electrochemical systems …

Electronic conductivity in living biofilms: physical meaning, mechanisms, and measurement methods

NS Malvankar, DR Lovley, H Beyenal… - … systems. Edited by …, 2015 - books.google.com
Biofilms are commonly considered as electronic insulators: there are no free electrons that
can flow under ordinary thermal conditions [1–3]. However, direct conductivity …

Activation of protein expression in electroactive biofilms

DA Phillips, LJ Bird, BJ Eddie, MD Yates… - ACS Synthetic …, 2020 - ACS Publications
Microbes that form biofilms on electrodes and generate electrical current responses could
be integrated into devices to perform sensing, conduct signals, or act as living …

Light-induced patterning of electroactive bacterial biofilms

F Zhao, MS Chavez, KL Naughton… - ACS synthetic …, 2022 - ACS Publications
Electroactive bacterial biofilms can function as living biomaterials that merge the
functionality of living cells with electronic components. However, the development of such …

Electron flow and biofilms

KH Nealson, SE Finkel - Mrs Bulletin, 2011 - cambridge.org
Bacteria living in surface-attached biofilm communities must maintain electrochemical
gradients to support basic cellular functions, including chemo-osmotic transport and …

NanoSIMS imaging reveals metabolic stratification within current-producing biofilms

GL Chadwick, F Jiménez Otero… - Proceedings of the …, 2019 - National Acad Sciences
Metal-reducing bacteria direct electrons to their outer surfaces, where insoluble metal oxides
or electrodes act as terminal electron acceptors, generating electrical current from anaerobic …