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Article
PM2.5 Particle Detection in a Microfluidic Device by Using Ionic Current Sensing
We have demonstrated a PM2.5 analysis method that adds information on the number concentration and size by using microfluidic-based ionic current sensing with a bridge circuit. The bridge circuit allows for suppr...
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Article
Effect of DNA Methylation on the Velocity of DNA Translocation through a Nanochannel
Here, we report the effect of DNA methylation on the velocity of DNA translocation through a nanochannel, as determined by measuring differences in translocation velocities between methylated and non-methylate...
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Article
Nanostructures Integrated with a Nanochannel for Slowing Down DNA Translocation Velocity for Nanopore Sequencing
Here, we developed a device integrated with a nanochannel and nanostructures to slow DNA translocation velocity. We found that translocation velocity of a single DNA molecule inside a nanochannel was decreased...
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Article
Self-assembled Nanowire Arrays as Three-dimensional Nanopores for Filtration of DNA Molecules
Molecular filtration and purification play important roles for biomolecule analysis. However, it is still necessary to improve efficiency and reduce the filtration time. Here, we show self-assembled nanowire a...
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Chapter and Conference Paper
Optimal Design of the Micromixer using Nonhomogeneous Multilayer Laminar Flow
An efficient micromixer using nonhomogeneous multilayer in the laminar flow regime is described. In order to increase the mixing efficiency, the CFD simulation was used to optimize the width of the multilayers...
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Chapter and Conference Paper
Evaluation of Silanol Concentration on Quartz Glass Surface for EOF Stability of CE Chip
The effects of heat treatment during fabrication process and NaOH treatment after fabrication on surface silanol (Si-OH) concentration profile are discussed. FTIR-ATR (Fourier transform Infrared Spectroscopy -...