Long-Range Proton Conduction across Free-Standing Serum Albumin Mats

Nadav Amdursky, Xuhua Wang, Paul Meredith, Donal D.C. Bradley, Molly M. Stevens

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Free-standing serum-albumin mats can transport protons over millimetre length-scales. The results of photoinduced proton transfer and voltage-driven proton-conductivity measurements, together with temperature-dependent and isotope-effect studies, suggest that oxo-amino-acids of the protein serum albumin play a major role in the translocation of protons via an "over-the-barrier" hopping mechanism. The use of proton-conducting protein mats opens new possibilities for bioelectronic interfaces.
Original languageEnglish (US)
JournalAdvanced Materials
Volume28
Issue number14
DOIs
StatePublished - Apr 13 2016
Externally publishedYes

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