Issue 31, 2020

Multimodal spectroscopic investigation of the conformation and local environment of biomolecules at an electrified interface

Abstract

The complex and dynamic interfacial regions between biological samples and electronic components pose many challenges for characterization, including their evolution over multiple temporal and spatial scales. Spectroscopic probes of buried interfaces employing mid-infrared plasmon resonances and time-resolved fluorescence detection in the visible range are used to study the properties of polypeptides adsorbed at the surface of a working electrode. Information from these complementary spectroscopic probes reveals the interplay of solvation, electric fields, and ion concentration on their resulting macromolecular conformations.

Graphical abstract: Multimodal spectroscopic investigation of the conformation and local environment of biomolecules at an electrified interface

Supplementary files

Article information

Article type
Paper
Submitted
04 maj 2020
Accepted
21 jul 2020
First published
27 jul 2020

J. Mater. Chem. B, 2020,8, 7024-7030

Author version available

Multimodal spectroscopic investigation of the conformation and local environment of biomolecules at an electrified interface

S. A. Moonitz, N. Shepard and R. Noriega, J. Mater. Chem. B, 2020, 8, 7024 DOI: 10.1039/D0TB01158D

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