Chapter title |
Single-Molecule Analysis of Membrane Transporter Activity by Means of a Microsystem
|
---|---|
Chapter number | 17 |
Book title |
Bacterial Multidrug Exporters
|
Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-7454-2_17 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7452-8, 978-1-4939-7454-2
|
Authors |
Rikiya Watanabe, Naoki Soga, Shin-ya Ohdate, Hiroyuki Noji |
Abstract |
Emerging microtechnologies are aimed at developing a microsystem with densely packed array structure, i.e., an array with a femtoliter reaction chamber, for highly sensitive and quantitative biological assays. Here, we describe a novel femtoliter chamber array system (arrayed lipid bilayer chambers, ALBiC) that contains approximately a million femtoliter chambers, each sealed with a phospholipid bilayer membrane with extremely high efficiency (>90%). This novel platform enables detection of membrane transporter activity at the single-molecule level and thus expands the applicability of femtoliter chamber arrays to highly sensitive assays of transporters. |
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