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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 193 - 199 (7page)
- DOI
- 10.17642/jcc.26.4.6
이용수
초록· 키워드
오류제보하기
We prepared sacran ? chitosan hydrogels by using condensation reaction between amine group of chitosan and carboxyl group of sacran. Release behavior and change in porosity of hydrogels were observed by mass loss, FT-IR, mercury intrusion porosimetry (MIP), and SEM analysis in DW, 0.01M NaCl and CaCl2 solutions for 28days. 33%, 37%, and 39% of mass loss in DW, NaCl and CaCl2 solutions were observed for 28days, respectively. As results of mass loss and FT-IR analysis, chitosan was released from the hydrogel and release behavior of chitosan could be affected by Na+ and Ca ion in solutions. Porosity of hydrogels in DW, NaCl and CaCl2 solutions were decreased in the order of DW, NaCl, and CaCl2 solutions. SEM analysis showed that hydrogels had porous layered structures. Shrinkage of layered structure of hydrogels due to release of chitosan in DW, NaCl and CaCl2 solutions resulted in decrease of porosity in spite of the decrease in mass loss of hydrogel in NaCl and CaCl2 solutions.
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참고문헌 (17)
참고문헌 신청
Okajima, M. K. / 2009 / Cyanobacteria that produce megamolecules with efficient self-orientations / Macromolecules 42:3057~3062
Mitsumata, T. / 2013 / Ionic state and chain conformation for aqueous solutions of supergiant cyanobacterial polysaccharide / Phys. Rev. E 87
Okajima, M. K. / 2008 / Supergiant ampholytic sugar chains with imbalanced charge ratio form saline ultra-absorbent hydrogels / Macromolecules 41:4061~4064
Okajima, M. K. / 2020 / Cyanobacterial Polysaccharide gels with efficient rare-earth-metal sorption / Biomacromolecules 11:1773~1778
Okajima, M. K. / 2009 / Cyanobacterial megamolecule sacran efficiently forms LC gels with very heavy metal ions / Langmuir 25:8526~8531
Mitsumata, T. / 2013 / Ionic state and chain conformation for aqueous solutions of supergiant cyanobacterial polysaccharide / Phys. Rev. E 87
Okajima, M. K. / 2008 / Supergiant ampholytic sugar chains with imbalanced charge ratio form saline ultra-absorbent hydrogels / Macromolecules 41:4061~4064
Okajima, M. K. / 2020 / Cyanobacterial Polysaccharide gels with efficient rare-earth-metal sorption / Biomacromolecules 11:1773~1778
Okajima, M. K. / 2009 / Cyanobacterial megamolecule sacran efficiently forms LC gels with very heavy metal ions / Langmuir 25:8526~8531
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