Effect of Channel Geometry on Ionic Current Signal of a Bridge Circuit Based Microfluidic Channel | Zendy

Hirotoshi Yasaki | Zendy; Takao Yasui | Zendy; Takeshi Yanagida | Zendy; Noritada Kaji | Zendy; Masaki Kanai | Zendy; Kazuki Nagashima | Zendy; Tomoji Kawai | Zendy; Yoshinobu Baba | Zendy

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Effect of Channel Geometry on Ionic Current Signal of a Bridge Circuit Based Microfluidic Channel

Author(s) -

Hirotoshi Yasaki,

Takao Yasui,

Takeshi Yanagida,

Noritada Kaji,

Masaki Kanai,

Kazuki Nagashima,

Tomoji Kawai,

Yoshinobu Baba

Publication year - 2018

Publication title -

chemistry letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.492

H-Index - 114

eISSN - 1348-0715

pISSN - 0366-7022

DOI - 10.1246/cl.171139

Subject(s) - chemistry , channel (broadcasting) , ionic bonding , signal (programming language) , current (fluid) , microfluidics , bridge (graph theory) , geometry , nanotechnology , electrical engineering , ion , organic chemistry , programming language , engineering , medicine , materials science , mathematics , computer science

Bridge circuit based ionic current sensing in a microfluidic channel has attracted attention as a highly sensitive analytical method for bio-related molecules and particles. However, channel geometry which greatly influences the detected ionic current has not been investigated. Here, we investigate experimentally and theoretically the effect of differences in the microfluidic channel geometry on shapes and amplitude of signals in ionic current sensing. Our results clarify the geometrical effect of the channel in the bridge circuit based ionic current sensing method.

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