Aqueous two-phase systems–versatile and advanced (bio) process engineering tools

AMS Jorge, JFB Pereira - Chemical Communications, 2024 - pubs.rsc.org
Aqueous two-phase systems (ATPS), also known as Aqueous Biphasic Systems (ABS),
have been extensively studied as platforms for the separation and purification of …

Water expansion dynamics after pulsed IR laser heating

J Hobley, Y Kuge, S Gorelik, M Kasuya… - Physical Chemistry …, 2008 - pubs.rsc.org
A nanosecond pulsed IR (1.9 μm) laser rapidly heated water, in an open vessel, to
temperatures well below the boiling point. The subsequent dynamics of volume expansion …

Additive-free size-controlled synthesis of gold square nanoplates using photochemical reaction in dynamic phase-separating media

S Kajimoto, D Shirasawa, NN Horimoto, H Fukumura - Langmuir, 2013 - ACS Publications
Ultrafast phase separation of water and 2-butoxyethanol mixture was induced by
nanosecond IR laser pulse irradiation. After a certain delay time, a UV laser pulse was …

Electrostatic potential gap at the interface between triethylamine and water phases studied by molecular dynamics simulation

S Kajimoto, N Yoshii, J Hobley, H Fukumura… - Chemical Physics …, 2007 - Elsevier
Molecular dynamics calculations were carried out in order to investigate the interfacial
properties of the two-phase coexistence state of the triethylamine (TEA) and water mixture …

Density functional theory study of the origin of IR and Raman band shifts in H‐bond complexes of triethylamine with water

NU Zhanpeisov, K Ohta, S Kajimoto… - … journal of quantum …, 2005 - Wiley Online Library
The present article discusses the results of density functional calculations obtained using
B3LYP functional and the standard 6‐31G* basis sets for mono‐, di‐, and triethylamines …

Experimentally determined growth exponents during the late stage of spinodal demixing in binary liquid mixtures

J Hobley, S Kajimoto, A Takamizawa… - Physical Review E …, 2006 - APS
Spinodal demixing was initiated in two systems, with critical and off-critical compositions,
using nanosecond pulsed laser-induced temperature jumps (T-jumps) of various magnitude …

Time-Resolved Structured Illumination Microscopy for Phase Separation Dynamics of Water and 2-Butoxyethanol Mixtures: Interpretation of “Early Stage” Involving …

S Toyouchi, S Kajimoto, M Toda… - The Journal of …, 2018 - ACS Publications
Phase separation dynamics of a water/2-butoxyethanol (2BE) mixture was studied with
newly developed time-resolved structured illumination microscopy (SIM). Interestingly, an …

Photo-controlled phase separation and mixing of a mixture of water and 2-butoxyethanol caused by photochromic isomerisation of spiropyran

S Kajimoto, A Mori, H Fukumura - Photochemical & Photobiological …, 2010 - Springer
Photo induced phase separation of a mixture of water and 2-butoxyethanol, in which
spiropyran was dissolved as a photoresponsive molecule, was investigated. It was found …

Picosecond dynamics of hydrogen bond rearrangements during phase separation of a triethylamine and water mixture

S Kajimoto, NH Seong, H Fukumura… - … & Photobiological Sciences, 2014 - Springer
The earliest stages of phase separation in a liquid triethylamine (TEA)–water mixture were
observed using a picosecond IR laser pulse to produce a temperature jump and ultrafast …

Laser-induced phase change in Langmuir films observed using nanosecond pump-probe Brewster angle microscopy

J Hobley, T Oori, S Kajimoto, S Gorelik, D Hönig… - Applied Physics A, 2008 - Springer
A technique is described to observe transient events in thin interfacial films and monolayers.
p-polarized light has minimum reflectivity at the Brewster angle. When an interface is viewed …