Thermoresponsive Behavior of Magnetic Nanoparticle Complexed pNIPAm-co-AAc Microgels
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, Su-Kyoung | - |
dc.contributor.author | Park, Yongdoo | - |
dc.contributor.author | Kim, Jongseong | - |
dc.date.accessioned | 2021-09-02T05:35:59Z | - |
dc.date.available | 2021-09-02T05:35:59Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2018-10 | - |
dc.identifier.issn | 2076-3417 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/72671 | - |
dc.description.abstract | Characterization of responsive hydrogels and their enhancement with novel moieties have improved our understanding of functional materials. Hydrogels coupled with inorganic nanoparticles have been sought for novel types of responsive materials, but the efficient routes for the formation and the responsivity of complexed materials remain for further investigation. Here, we report that responsive poly(N-isopropylacrylamide-co-acrylic acid) (pNIPAm-co-AAc) hydrogel microparticles (microgels) are tunable by varying composition of co-monomer and crosslinker as well as by their complexation with magnetic nanoparticles in aqueous dispersions. Our results show that the hydrodynamic diameter and thermoresponsivity of microgels are closely related with the composition of anionic co-monomer, AAc and crosslinker, N,N-Methylenebisacrylamide (BIS). As a composition of hydrogels, the higher AAc increases the swelling size of the microgels and the volume phase transition temperature (VPTT), but the higher BIS decreases the size with no apparent effect on the VPTT. When the anionic microgels are complexed with amine-modified magnetic nanoparticles (aMNP) via electrostatic interaction, the microgels decrease in diameter at 25 degrees C and shift the volume phase transition temperature (VPTT) to a higher temperature. Hysteresis on the thermoresponsive behavior of microgels is also measured to validate the utility of aMNP-microgel complexation. These results suggest a simple, yet valuable route for development of advanced responsive microgels, which hints at the formation of soft nanomaterials enhanced by inorganic nanoparticles. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | MDPI | - |
dc.subject | SHELL HYDROGEL NANOPARTICLES | - |
dc.subject | BIORESPONSIVE HYDROGEL | - |
dc.subject | DNA HYDROGEL | - |
dc.subject | TEMPERATURE | - |
dc.subject | MICROLENSES | - |
dc.subject | NANOTECHNOLOGY | - |
dc.subject | KINETICS | - |
dc.title | Thermoresponsive Behavior of Magnetic Nanoparticle Complexed pNIPAm-co-AAc Microgels | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, Jongseong | - |
dc.identifier.doi | 10.3390/app8101984 | - |
dc.identifier.scopusid | 2-s2.0-85055177457 | - |
dc.identifier.wosid | 000448653700279 | - |
dc.identifier.bibliographicCitation | APPLIED SCIENCES-BASEL, v.8, no.10 | - |
dc.relation.isPartOf | APPLIED SCIENCES-BASEL | - |
dc.citation.title | APPLIED SCIENCES-BASEL | - |
dc.citation.volume | 8 | - |
dc.citation.number | 10 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Physics | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Engineering, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.subject.keywordPlus | SHELL HYDROGEL NANOPARTICLES | - |
dc.subject.keywordPlus | BIORESPONSIVE HYDROGEL | - |
dc.subject.keywordPlus | DNA HYDROGEL | - |
dc.subject.keywordPlus | TEMPERATURE | - |
dc.subject.keywordPlus | MICROLENSES | - |
dc.subject.keywordPlus | NANOTECHNOLOGY | - |
dc.subject.keywordPlus | KINETICS | - |
dc.subject.keywordAuthor | microgel | - |
dc.subject.keywordAuthor | magnetic nanoparticle | - |
dc.subject.keywordAuthor | electrostatic complexation | - |
dc.subject.keywordAuthor | thermoresponsivity | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
(02841) 서울특별시 성북구 안암로 14502-3290-1114
COPYRIGHT © 2021 Korea University. All Rights Reserved.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.