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

被引：70

作者：

Amdursky, Nadav ^{[1
,2
]}

Wang, Xuhua ^{[3
,4
]}

Meredith, Paul ^{[5
]}

Bradley, Donal D. C. ^{[3
,4
]}

Stevens, Molly M. ^{[1
,2
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Mat Bioengn, London SW7 2AZ, England

[2] Univ London Imperial Coll Sci Technol & Med, Inst Biomed Engn, London SW7 2AZ, England

[3] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England

[4] Univ London Imperial Coll Sci Technol & Med, Ctr Plast Elect, London SW7 2AZ, England

[5] Univ Queensland, Ctr Organ Photon & Elect, Sch Math & Phys, Brisbane, Qld 4072, Australia

来源：

ADVANCED MATERIALS | 2016年 / 28卷 / 14期

基金：

英国惠康基金;

关键词：

ELECTRICAL-CONDUCTION; TRANSPORT; PHOTOACIDS; BACTERIORHODOPSIN; RECOMBINATION; DIFFUSION; MEMBRANES; HYDROGEN; NAFION; WATER;

D O I：

10.1002/adma.201505337

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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. © 2016 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：2692 / 2698

页数：7

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