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
收藏
页码：2692 / 2698
页数：7
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