Laser-thermophoresis and magnetophoresis of a micro-bubble in organic liquids
Source abstract
Abstract
Several hundreds of micrometer migration of a bubble to the laser irradiation point was observed in an organic liquid in a silica capillary. The phenomenon was attributed to the laser-induced thermophoresis, which was due to the surface tension difference between both sides of the bubble induced by the temperature gradient, generated longitudinally in the organic liquid by the laser irradiation of 1064 nm. Alternatively, the application of magnetic field gradient on a bubble in a capillary accelerated remarkably the rising velocity of the bubble due to magnetophoresis. The combination of the laser-thermophoresis and the magnetophoresis could be used to manipulate reversibly the up-and-down vertical migration of a bubble in a liquid. From repeated measurements of magnetophoretic velocity of a bubble, the magnetic susceptibility of the liquid medium was determined.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Microfluidic and Bio-sensing Technologies · Orbital Angular Momentum in Optics · Electrohydrodynamics and Fluid Dynamics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, Graduate School of Science, Osaka University 1 , Toyonaka, Osaka 560-0043, Japan
High Energy Accelerator Research Organization 2 , Tsukuba, Ibaraki 305-0801, Japan
Institute for NanoScience Design, Osaka University 3 , Toyonaka, Osaka 560-8531, Japan
Funding
Ministry of Education, Culture, Sports, Science and Technology
References (26)
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