Search Results - "Ukita, Yoshiaki"

Automatic microfluidic enzyme-linked immunosorbent assay based on CLOCK-controlled autonomous centrifugal microfluidics by Okamoto, Shunya, Ukita, Yoshiaki

“…[Display omitted] •We demonstrated automatic centrifugal microfluidic devices based on CLOCK system.•The device successfully executed a flow control required…”
Get full text

Adoption of reinforcement learning for the intelligent control of a microfluidic peristaltic pump by Abe, Takaaki, Oh-hara, Shinsuke, Ukita, Yoshiaki

“…We herein report a study on the intelligent control of microfluidic systems using reinforcement learning. Integrated microvalves are utilized to realize a…”
Get full text

Development of automated paper-based devices for sequential multistep sandwich enzyme-linked immunosorbent assays using inkjet printing by Apilux, Amara, Ukita, Yoshiaki, Chikae, Miyuki, Chailapakul, Orawon, Takamura, Yuzuru

“…To the best of our knowledge, this is the first report on paper-based devices for automating the sequential multistep procedures of a sandwich-type…”
Get more information

Integration of reinforcement learning to realize functional variability of microfluidic systems by Abe, Takaaki, Oh-hara, Shinsuke, Ukita, Yoshiaki

“…In this article, we present a proof-of-concept for microfluidic systems with high functional variability using reinforcement learning. By mathematically…”
Get full text

Dynamic Measurement Method for Bio-molecular Interactions by Using Centrifugal Force by OTAKE, Mao, UKITA, Yoshiaki

“…Measurement of single molecule interaction is performed by various micromanipulation techniques. However, a complex operation is required to perform the…”
Get full text

Demonstration of Particle–Substrate Surface Interaction Analysis Based on Brownian Motion and Gravitational Testing by Otake, Mao, Ukita, Yoshiaki

“…In this paper, we propose a simple method for analyzing interface interactions in bead-based bioassay. Although bead-based bioassay enables simple and rapid…”
Get full text

Autonomous and complex flow control involving multistep injection and liquid replacement in a reaction chamber on steadily rotating centrifugal microfluidic devices by Okamoto, Shunya, Ukita, Yoshiaki

“…This study demonstrates a novel autonomous flow-control technique using siphon-shaped microchannels on a steadily rotating centrifugal microfluidic device. We…”
Get full text

Force analysis method of single-molecule interaction using centrifugal force by Otake, Mao, Ukita, Yoshiaki

“…Development of micromanipulation technology such as atomic force microscopy has allowed us to analyze force interactions at single-molecule level. However,…”
Get full text

Anisotropic pyrochemical microetching of poly(tetrafluoroethylene) initiated by synchrotron radiation-induced scission of molecule bonds by Yamaguchi, Akinobu, Kido, Hideki, Ukita, Yoshiaki, Kishihara, Mitsuyoshi, Utsumi, Yuichi

“…We developed a process for micromachining polytetrafluoroethylene (PTFE): anisotropic pyrochemical microetching induced by synchrotron X-ray irradiation. X-ray…”
Get full text

Rapid Prototyping for Multiscale (Micro- to Millimeter) Thermoplastic Structures by Aruga, Takahito, Abe, Takaaki, Muramatsu, Ryo, Okamoto, Shunya, Ukita, Yoshiaki

“…In this paper, we report on the development of a rapid prototyping technique for thermoplastic microstructures. In particular, this technology is unique in…”
Get full text

Water-clock-based autonomous flow sequencing in steadily rotating centrifugal microfluidic device by Ukita, Yoshiaki, Takamura, Yuzuru, Utsumi, Yuichi

“…In this paper, we report the demonstration of a flow sequencing method in a centrifugal microfluidic device rotated at a constant speed. The simple…”
Get full text

Reflow process using wax for fabricating curved shaped molds of PDMS microchannels and chambers by Okamoto, Shunya, Ukita, Yoshiaki

Get full text

A new stroboscopic technique for the observation of microscale fluorescent objects on a spinning platform in centrifugal microfluidics by Ukita, Yoshiaki, Takamura, Yuzuru

“…Fluorescence microscopy has been greatly contributed to the development of new science and technology in the field of microfluidics. In the case of centrifugal…”
Get full text

DOCK11 and DENND2A play pivotal roles in the maintenance of hepatitis B virus in host cells by Hashimoto, Shinichi, Shirasaki, Takayoshi, Yamashita, Taro, Iwabuchi, Sadahiro, Suzuki, Yutaka, Takamura, Yuzuru, Ukita, Yoshiaki, Deshimaru, Shungo, Okayama, Toshitugu, Ikeo, Kazuho, Kuroki, Kazuyuki, Kawaguchi, Kazunori, Mizukoshi, Eishiro, Matsushima, Kouji, Honda, Masao, Kaneko, Shuichi

“…Human hepatitis B virus (HBV) infection remains a serious health problem worldwide. However, the mechanism for the maintenance of HBV in a latent state within…”
Get full text

High–Thick Thermal Reflow Process Using Vacuum-assisted Micromolding for Submillimeter Microvalves by Abe, Takaaki, Okamoto, Shunya, Ukita, Yoshiaki

“…We report a reflow process for forming rounded channels of submillimeter height. In this method, a hot-melt glue comprising primarily of an ethylene–vinyl…”
Get full text

A lab in a bento box: an autonomous centrifugal microfluidic system for an enzyme-linked immunosorbent assay by Abe, Takaaki, Okamoto, Shunya, Taniguchi, Akinobu, Fukui, Michiyasu, Yamaguchi, Akinobu, Utsumi, Yuichi, Ukita, Yoshiaki

“…In this paper, we report on the demonstration of a portable immunoassay system consisting of a small centrifugal microfluidic device driver (bento box) and a…”
Get more information

Control of secondary flow in concentrically traveling flow on centrifugal microfluidics by Ukita, Yoshiaki, Takamura, Yuzuru

“…This paper reports a fundamental study of the stripe laminar flow pattern on a centrifugal microfluidic device with the goal of realizing a…”
Get full text

Pulse-Heating Ionization for Protein On-Chip Mass Spectrometry by Sugiyama, Kiyotaka, Harako, Hiroki, Ukita, Yoshiaki, Shimoda, Tatsuya, Takamura, Yuzuru

“…An on-chip pulse-heating ionization source for protein samples was developed for the realization of miniaturized mass spectrometry. A protein analyte was…”
Get full text

Proposal of micro plasma extraction device by autonomous trigger control by Naito, Hiroki, Okamoto, Shunya, Ukita, Yoshiaki

“…In this paper, we report on the development of a microfluidic device, which extracts plasma from low‐volume whole blood (10 μL), and is aimed at integration…”
Get full text

Direct digital manufacturing of autonomous centrifugal microfluidic device by Ukita, Yoshiaki, Takamura, Yuzuru, Utsumi, Yuichi

“…This paper presents strategies that attempt to solve two key problems facing the commercialization of microfluidics: cost reduction in microfluidic chip…”
Get full text