Understanding Molecular Transfer between Aqueous Phase and Reverse Micelles and Its Application to Bioassays in Microfluidics

M Fukuyama - Bulletin of the Chemical Society of Japan, 2023 - academic.oup.com
Micrometer-sized water-in-oil droplets (microdroplets) are attracting attention as carriers for
the high-throughput parallel analysis of trace samples. By confining trace amounts of water …

Recent progress of microfluidic sample preparation techniques

L Xia, G Li - Journal of Separation Science, 2023 - Wiley Online Library
Sample preparation turns out to be one of the important procedures in complex sample
analysis by affecting the accuracy, selectivity, and sensitivity of analytical results. However …

Nanoparticle Assembly at the Water–Oil Interface Induced by Spontaneous Emulsification for Microdroplet Immunoassay

M Fukuyama, K Kubota, A Hibara - Langmuir, 2023 - ACS Publications
Micron-sized water-in-oil droplets (microdroplets) have been used for various biochemical
analyses. Many studies have been reported on immunoassays using microdroplets because …

Kinetic description of water transport during spontaneous emulsification induced by Span 80

M Fukuyama, T Mizuguchi, P Santivongskul, Y Ono… - Nanoscale, 2024 - pubs.rsc.org
Spontaneous emulsification is a phenomenon that forms nanometer-sized droplets
(nanodroplets) without the application of any external force, and the mechanism has been …

Spontaneous emulsions: adjusting spontaneity and phase behavior by hydrophilic–lipophilic difference-guided surfactant, salt, and oil selection

Y Zheng, CR Davis, JA Howarter, KA Erk, CJ Martinez - Langmuir, 2022 - ACS Publications
Spontaneous emulsion behavior has been difficult to predict and could be influenced by
many variables including salinity, temperature, and chemical composition of the oil and …

Transport of Oligopeptide from Aqueous Phase to Span 80 Reverse Micelles in Microdroplet Array

M Fukuyama, M Suto, A Hibara - Analytical Sciences, 2021 - Springer
The partitioning of water and tetramethylrhodamine-conjugated-10-residue oligopeptides
from the aqueous phase of microdroplets into Span 80 reverse micelles was observed by …

SYNTHESIS AND CHARACTERIZATION OF FATTY ACID AMIDE-BASED SURFACTANTS AND PHYSICOCHEMICAL PROPERTIES OF EMULSIONS STABILIZED …

Y Zheng - 2023 - hammer.purdue.edu
Surfactant is a type of surface-active molecule with wide industrial applications, such as
personal care products, antibacterial products, surface modification, etc. Due to …

水溶液の相分離により生じたマイクロ・ナノ空間を利用する分離・計測法の確立

稲川有徳 - 分析化学, 2022 - jstage.jst.go.jp
抄録 相分離は, 物質の相転移に伴い均一相が複数の相に分離される現象である.
分析化学においても, 前処理方法の強力なツールとして用いられてきた. 一方で …

自然乳化を利用した微量試料前処理操作の開発

福山真央, 火原彰秀 - 分析化学, 2022 - jstage.jst.go.jp
抄録 近年, マイクロメートルサイズの油中水滴 (マイクロ水滴) を反応場として利用し,
微小・微量試料をハイスループットに計測する技術が注目を集めている. マイクロ水滴内に微量の …