Electronic transport via proteins

N Amdursky, D Marchak, L Sepunaru, I Pecht… - Advanced …, 2014 - Wiley Online Library
A central vision in molecular electronics is the creation of devices with functional molecular
components that may provide unique properties. Proteins are attractive candidates for this …

Mechanism of orientation-dependent asymmetric charge transport in tunneling junctions comprising photosystem I

OE Castañeda Ocampo, P Gordiichuk… - Journal of the …, 2015 - ACS Publications
Recently, photoactive proteins have gained a lot of attention due to their incorporation into
bioinspired (photo) electrochemical and solar cells. This paper describes the measurement …

Temperature and Force Dependence of Nanoscale Electron Transport via the Cu Protein Azurin

W Li, L Sepunaru, N Amdursky, SR Cohen, I Pecht… - ACS …, 2012 - ACS Publications
Solid-state electron transport (ETp) via a monolayer of immobilized azurin (Az) was
examined by conducting probe atomic force microscopy (CP-AFM), as a function of both …

Redox activity distinguishes solid-state electron transport from solution-based electron transfer in a natural and artificial protein: Cytochrome C and hemin-doped …

N Amdursky, D Ferber, I Pecht, M Sheves… - Physical Chemistry …, 2013 - pubs.rsc.org
Integrating proteins in molecular electronic devices requires control over their solid-state
electronic transport behavior. Unlike “traditional” electron transfer (ET) measurements of …

Electron transport via cytochrome C on Si–H surfaces: Roles of Fe and Heme

N Amdursky, I Pecht, M Sheves… - Journal of the American …, 2013 - ACS Publications
Monolayers of the redox protein Cytochrome C (CytC) can be electrostatically formed on an
H-terminated Si substrate, if the protein-and Si-surface are prepared so as to carry opposite …

Nanoscale on-silico electron transport via ferritins

S Bera, J Kolay, S Banerjee, R Mukhopadhyay - Langmuir, 2017 - ACS Publications
Silicon is a solid-state semiconducting material that has long been recognized as a
technologically useful one, especially in electronics industry. However, its application in the …

Biotin Binding Hardly Affects Electron Transport Efficiency across Streptavidin Solid-State Junctions

S Bera, S Govinda, JA Fereiro, I Pecht, M Sheves… - Langmuir, 2023 - ACS Publications
The electron transport (ETp) efficiency of solid-state protein-mediated junctions is highly
influenced by the presence of electron-rich organic cofactors or transition metal ions. Hence …

Long-range solid-state electron transport through ferritin multilayers

S Bera, J Kolay, P Pramanik, A Bhattacharyya… - Journal of Materials …, 2019 - pubs.rsc.org
We have developed a multilayered protein-based material using iron-storage protein ferritin,
where only proteins were used as components, having no other chemical/biochemical …

Solid-state electron transport in Mn-, Co-, holo-, and Cu-ferritins: Force-induced modulation is inversely linked to the protein conductivity

T Rakshit, R Mukhopadhyay - Journal of colloid and interface science, 2012 - Elsevier
In this work, solid-state electron transport through the three metal core reconstituted ferritins,
namely, Mn (III)-ferritin, Co (III)-ferritin, and Cu (II)-ferritin, has been probed and compared to …

Indication of strongly correlated electron transport and Mott insulator in disordered multilayer ferritin structures (DMFS)

C Rourk, Y Huang, M Chen, C Shen - Materials, 2021 - mdpi.com
Electron tunneling in ferritin and between ferritin cores (a transition metal (iron) oxide
storage protein) in disordered arrays has been extensively documented, but the electrical …