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@article{Amdursky:2017:10.1002/adma.201700810,
author = {Amdursky, N and Wang, X and Meredith, P and Riley, DJ and Payne, DJ and Bradley, D and Stevens, MM},
doi = {10.1002/adma.201700810},
journal = {Advanced Materials},
title = {Electron Hopping Across Hemin-Doped Serum Albumin Mats on Centimetre-Length Scales},
url = {http://dx.doi.org/10.1002/adma.201700810},
volume = {29},
year = {2017}
}

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TY  - JOUR
AB  - Exploring long-range electron transport across protein assemblies is a central interest in both the fundamental research of biological processes and the emerging field of bioelectronics. This work examines the use of serum-albumin-based freestanding mats as macroscopic electron mediators in bioelectronic devices. In particular, this study focuses on how doping the protein mat with hemin improves charge-transport. It is demonstrated that doping can increase conductivity 40-fold via electron hopping between adjacent hemin molecules, resulting in the highest measured conductance for a protein-based material yet reported, and transport over centimeter length scales. The use of distance-dependent AC impedance and DC current–voltage measurements allows the contribution from electron hopping between adjacent hemin molecules to be isolated. Because the hemin-doped serum albumin mats have both biocompatibility and fabrication simplicity, they should be applicable to a range of bioelectronic devices of varying sizes, configurations, and applications.
AU  - Amdursky,N
AU  - Wang,X
AU  - Meredith,P
AU  - Riley,DJ
AU  - Payne,DJ
AU  - Bradley,D
AU  - Stevens,MM
DO  - 10.1002/adma.201700810
PY  - 2017///
SN  - 1521-4095
TI  - Electron Hopping Across Hemin-Doped Serum Albumin Mats on Centimetre-Length Scales
T2  - Advanced Materials
UR  - http://dx.doi.org/10.1002/adma.201700810
UR  - http://hdl.handle.net/10044/1/46153
VL  - 29
ER  -

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