journal article·2020-10-01Open access

Proton conduction in inkjet-printed reflectin films

Yujia Lu, Preeta Pratakshya, Atrouli Chatterjee, Xiaoteng Jia, David D. Ordinario, Long Phan, Juana A. Cerna Sanchez, Rylan Kautz, Vivek Tyagi, Priyam Patel, Yegor Van Dyke, MyAnh K. Dao, Justin P. Kerr, James Long, Alex Allevato, Jessica Leal-Cruz, Eric Tseng, Ethan R. Peng, Andrew Reuter, Justin Couvrette, Samantha Drake, Fiorenzo G. Omenetto, Alon A. Gorodetsky

APL Materials· Volume 8· Issue 10

Abstract

Biomolecular proton conducting materials have been touted as promising for seamlessly and directly interfacing natural biological systems with traditional artificial electronics. As such, proton conduction has been explored for a variety of protein- and polypeptide-based materials. Within this context, cephalopod structural proteins called reflectins have demonstrated several favorable properties, including outstanding electrical figures of merit as proton conductors and intrinsic biocompatibility with cellular systems. However, the processing of reflectins into films has typically used low-throughput material-intensive strategies and has often required organic solvents. Herein, we report the preparation of devices from active layers fabricated via inkjet printing of reflectin solubilized in water and the systematic evaluation of their electrical performance. Taken together, our findings represent a step forward in the manufacturing and development of unconventional bioelectronic platforms from the reflectin family of proteins.
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Research context

OpenAlex topics: Photoreceptor and optogenetics research · Advanced Sensor and Energy Harvesting Materials · Photochromic and Fluorescence Chemistry

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

Affiliations

Department of Chemical and Biomolecular Engineering, University of California, Irvine 1 , Irvine, California 92697, USA

Department of Chemistry, University of California, Irvine 2 , Irvine, California 92697, USA

Department of Materials Science and Engineering, University of California, Irvine 3 , Irvine, California 92697, USA

Department of Molecular Biology and Biochemistry, University of California, Irvine 4 , Irvine, California 92697, USA

Department of Mechanical and Aerospace Engineering, University of California, Irvine 5 , Irvine, California 92697, USA

Department of Biomedical Engineering, Tufts University 6 , Medford, Massachusetts 02155, USA

Funding

Air Force Office of Scientific Research · Defense Advanced Research Projects Agency · F.G.O.

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