Evaluation method for ion transport via nanopores: Toward a neural stimulation electrode using membrane protein

Evaluation method for ion transport via nanopores: Toward a neural stimulation electrode using membrane protein
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通过纳米孔进行离子传输的评估方法:使用膜蛋白的神经刺激电极

DOI:
10.1109/bmeicon.2012.6172023
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发表时间:
2012
期刊:
The 4th 2011 Biomedical Engineering International Conference
影响因子:
--
通讯作者:
M. Sugawara
M. Sugawara
中科院分区:
--
文献类型:
--
作者:
Y. Ishii;T. Yagi;M. Sugawara

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我们打算开发一种包含管状膜蛋白的新型刺激电极。 “蛋白质电极”应该能够通过管状膜蛋白形成的孔控制膜电位。我们测试了脂质双层的形成以及α-溶血素在其中的插入。测试了用于测量脂双层中通过α-溶血素的分子转移的离子指示剂方法。离子指示剂的荧光成像显示脂质双层的组装和α-溶血素孔的形成。这可能是一种评估蛋白质电极性能的简单而有效的技术。
We intend to develop a new stimulation electrode that contains tubular membrane proteins. A “proteoelectrode” should be capable of controlling membrane potential through the pores formed by tubular membrane proteins. We have tested the formation of lipid bilayers and the insertion of alpha-hemolysin into them. An ion indicator method for measuring molecule transfer through alpha-hemolysin in the lipid bilayer was tested. Fluorescence imaging of the ion indicator showed the assembly of a lipid bilayer and the formation of alpha-hemolysin pores. This could be a simple and effective technique for evaluating the performance of a proteoelectrode.
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影响因子: 15
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