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Bulk proton conduction in films from a truncated reflectin variant

Authors :
Preeta Pratakshya
Albert L. Kwansa
Matic Kovačič
Nikhil Kaimal
Arsenii Panteleev
Atrouli Chatterjee
Nadia E. Tolouei
Rylan Kautz
Kyle L. Naughton
Barbara Sartori
Benedetta Marmiroli
MyAnh K. Dao
Sigrid Bernstorff
Janez Plavec
Yaroslava G. Yingling
Alon A. Gorodetsky
Source :
APL Materials, Vol 12, Iss 10, Pp 101113-101113-8 (2024)
Publication Year :
2024
Publisher :
AIP Publishing LLC, 2024.

Abstract

Protein- and peptide-based proton-conducting biomaterials have been touted as particularly promising for bioelectronics applications because of their advantageous chemical and physical characteristics, typically excellent biocompatibilities, and readily understood electrical properties. Within this context, our laboratory has previously discovered and systematically investigated bulk proton conduction for a unique family of cephalopod structural proteins called reflectins. Herein, we leverage a combination of experimental and computational methodologies to investigate the bulk electrical properties of hierarchically nanostructured films self-assembled from a previously reported truncated reflectin variant. Our findings indicate that the truncated reflectin variant exhibits protonic conductivities and associated figures of merit on par with those reported for both full-length reflectins and other proteinaceous proton-conducting materials. The combined studies enhance current understanding of reflectins’ functional properties within the framework of bioengineering and bioelectronics applications and may ultimately facilitate the development of other protein- and peptide-based conductive biomaterials.

Details

Language :
English
ISSN :
2166532X
Volume :
12
Issue :
10
Database :
Directory of Open Access Journals
Journal :
APL Materials
Publication Type :
Academic Journal
Accession number :
edsdoj.95d7a5bec8294be6a36f7d86b8b3ce45
Document Type :
article
Full Text :
https://doi.org/10.1063/5.0214285