DataVXAdvanced MaterialsPaper
journal article·2015-02Open access

Bioelectronic Light‐Gated Transistors with Biologically Tunable Performance

Ramya H. Tunuguntla, Mangesh A. Bangar, Kyunghoon Kim, Pieter Stroeve, Costas Grigoropoulos, Caroline M. Ajo‐Franklin, Aleksandr Noy

Advanced Materials· Volume 27· Issue 5
Publisher pageOpen full text
Source abstract

Abstract

Light-activated bioelectronic silicon nanowire transistor devices are made by fusing proteoliposomes containing a bacteriorhodopsin (bR) proton pump onto the nanowire surface. Under green-light illumination, bR pumps protons toward the nanowire, and the pH gradient developed by the pump changes the transistor output. Furthermore, co-assembly of small biomolecules that alter the bilayer permeability to other ions can upregulate and downregulate the response of field-effect transistor devices.
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Research context

NanomaterialsElectronic materials

OpenAlex topics: Photoreceptor and optogenetics research · Advanced Memory and Neural Computing · Neuroscience and Neural Engineering

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Biology and Biotechnology Division Physical and Life Sciences Directorate Lawrence Livermore National Laboratory Livermore California 94550 USA

Materials Science and Chemical Engineering Department University of California Davis Davis California 95616 USA

The Molecular Foundry Materials Sciences Division and

Mechanical Engineering Department University of California Berkeley Berkeley California 94704 USA

Physical Biosciences Division Lawrence Berkeley National Laboratory Berkeley California 94720 USA

School of Natural Sciences University of California Merced Merced California 95340 USA

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