Preparation of Polypseudorotaxanes Composed of Cyclodextrin and Polymers in Microspheres
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- Shinohara Katsunori
- Department of Pharmacy Services, Saitama Medical Center, Saitama Medical University
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- Yamashita Miki
- Faculty of Pharmaceutical Sciences, Josai University
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- Uchida Wataru
- Faculty of Pharmaceutical Sciences, Josai University
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- Okabe Chie
- Faculty of Pharmaceutical Sciences, Josai University
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- Oshima Shinji
- Faculty of Pharmaceutical Sciences, Josai University
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- Sugino Masahiro
- Faculty of Pharmaceutical Sciences, Josai University
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- Egawa Yuya
- Faculty of Pharmaceutical Sciences, Josai University
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- Miki Ryotaro
- Faculty of Pharmaceutical Sciences, Josai University
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- Hosoya Osamu
- Faculty of Pharmaceutical Sciences, Josai University
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- Fujihara Takashi
- Research and Development Bureau, Comprehensive Analysis Center for Science, Saitama University
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- Ishimaru Yoshihiro
- Division of Material Science, Graduate School of Science and Engineering, Saitama University
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- Kishino Tohru
- Department of Pharmacy Services, Saitama Medical Center, Saitama Medical University
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- Seki Toshinobu
- Faculty of Pharmaceutical Sciences, Josai University
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- Juni Kazuhiko
- Faculty of Pharmaceutical Sciences, Josai University
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Abstract
We prepared polypseudorotaxanes (PPRXs) composed of cyclodextrin (CyD) and polyethylene glycol (PEG) inside microspheres (MSs) by an emulsifying process using polypropylene glycol (PPG) that shows temperature-dependent hydrophilicity changes; PPG is hydrophobic at high temperatures but hydrophilic at low temperatures. An aqueous solution of CyD and PEG was dispersed as droplets in PPG at 60°C then cooled to 0°C to allow water of droplets to transfer into PPG. On removal of water in the droplets, CyD and PEG were left behind as a CyD/PEG PPRX inside the solid-state MSs. Examination of α-, β-, and γ-CyD revealed that α-CyD was suitable for the formation of PPRX containing PEG in this MS preparation procedure. Interestingly, a new PPRX composed of α-CyD and PPG was formed in the α-CyD MSs when they were prepared in the absence of PEG from the aqueous solution of α-CyD. This MS fabrication procedure can control the size and shape of PPRX particles, and will contribute to the production of new types of CyD inclusion complexes.
Journal
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- Chemical and Pharmaceutical Bulletin
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Chemical and Pharmaceutical Bulletin 62 (10), 962-966, 2014
The Pharmaceutical Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390001204178398976
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- NII Article ID
- 130004693773
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- NII Book ID
- AA00602100
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- COI
- 1:STN:280:DC%2BC2M7ms1Siuw%3D%3D
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- ISSN
- 13475223
- 00092363
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- NDL BIB ID
- 025838529
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- PubMed
- 25273055
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- Text Lang
- en
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed