Clarification of Surface Deswelling of Thermoresponsive Microgels by Electrophoresis
Source abstract
Abstract
Although many investigations of thermoresponsive microgels have been reported, their surface properties, which are crucial in colloid science, are still not fully understood. In this study, microgels with surface-localized charged groups were synthesized by precipitation polymerization, and their electrophoretic behaviors were analyzed using a modified version of Ohshima's equation to obtain two surface properties of the soft particles: the softness parameter and the surface charge density. This systematic evaluation allows us to discuss the thermoresponsiveness of the overall microgels and their surfaces separately. Furthermore, the validity of the surface properties obtained from electrophoresis was verified by comparing them with the results of seeded emulsion polymerization in the presence of the microgels and the force-indentation curves obtained via high-speed atomic force microscopy (HS-AFM).
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Hydrogels: synthesis, properties, applications · Polymer Surface Interaction Studies · Electrowetting and Microfluidic Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Graduate School of Textile Science & Technology, Shinshu University, 3-15-1 Tokida, Ueda, Nagano386-8567, Japan
Department of Physics and Structural Biology Research Center, Graduate School of Science, Nagoya University, Furo-cho, Chiksusa-ku, Nagoya, Aichi464-8602, Japan
Exploratory Research Center on Life and Living Systems, National Institutes of Natural Science, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi444-8787, Japan
Research Initiative for Supra-Materials, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 3-15-1 Tokida, Ueda, Nagano386-8567, Japan
Funding
Core Research for Evolutional Science and Technology · Japan Society for the Promotion of Science
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