pH Sensing Based on Ionic Current Rectification Using Triple-Barreled Glass Microelectrodes

T Kishimoto, K Doi - The Journal of Physical Chemistry C, 2023 - ACS Publications
Glass nanopores are known to provide proton selectivity in ionic current conditions in which
silanol groups that fill glass surfaces support proton conduction along the surfaces in …

Thermophoretic manipulation of micro-and nanoparticle flow through a sudden contraction in a microchannel with near-infrared laser irradiation

T Tsuji, Y Sasai, S Kawano - Physical Review Applied, 2018 - APS
A temperature gradient in a continuous fluid induces the motion of dispersed micro-and
nanoparticles even when the fluid is motionless. This phenomenon is known as …

Quantitative evaluation of optical forces by single particle tracking in slit-like microfluidic channels

F Nito, T Shiozaki, R Nagura, T Tsuji… - The Journal of …, 2018 - ACS Publications
Optical trapping and manipulation techniques have attracted significant attention in various
research fields. Optical forces divided into two terms, such as a scattering force and gradient …

Development of glass micro-electrodes for local electric field, electrical conductivity, and pH measurements

K Doi, N Asano, S Kawano - Scientific Reports, 2020 - nature.com
In micro-and nanofluidic devices, liquid flows are often influenced by ionic currents
generated by electric fields in narrow channels, which is an electrokinetic phenomenon …

Effects of polymer length and salt concentration on the transport of ssDNA in nanofluidic channels

W Qian, K Doi, S Kawano - Biophysical Journal, 2017 - cell.com
Electrokinetic phenomena in micro/nanofluidic channels have attracted considerable
attention because precise control of molecular transport in liquids is required to optically and …

Coarse-grained particle dynamics along helical orbit by an optical vortex irradiated in photocurable resins

R Nagura, T Tsujimura, T Tsuji, K Doi, S Kawano - OSA Continuum, 2019 - opg.optica.org
Optical vortices, which carry orbital angular momentum, have attracted much attention in
various research fields, such as materials processing, chirality control, and particle …

Concentration dependence of cation-induced electrohydrodynamic flow passing through an anion exchange membrane

A Yano, H Shirai, M Imoto, K Doi… - Japanese Journal of …, 2017 - iopscience.iop.org
Electrohydrodynamic (EHD) flow is a type of liquid flow driven by an external electric force.
In electrolyte solutions, anions and cations usually interact with each other to maintain …

Polyelectrolyte threading through a nanopore

PY Hsiao - Polymers, 2016 - mdpi.com
Threading charged polymers through a nanopore, driven by electric fields E, is investigated
by means of Langevin dynamics simulations. The mean translocation time〈 τ〉 is shown to …

Conformation change, tension propagation and drift-diffusion properties of polyelectrolyte in nanopore translocation

PY Hsiao - Polymers, 2016 - mdpi.com
Using Langevin dynamics simulations, conformational, mechanical and dynamical
properties of charged polymers threading through a nanopore are investigated. The shape …

Cation-induced electrohydrodynamic flow in aqueous solutions

F Nito, S Kawano - The Journal of Chemical Physics, 2018 - pubs.aip.org
Recently, single-molecule manipulation techniques in micro-and nanofluidic channels have
attracted significant attention. To precisely control the transport velocity, the dynamics of the …