Preparation and Characterization of Acrylic Hydrogels Neutralized by Basic Amino Acids
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概要
- 論文の詳細を見る
Basic amino acids were used as neutralizers in the gellation of Eudispert^<[○!R]> as an acrylic hydrogel. Arginine and lysine successfully neutralized Eudispert^<[○!R]>, as did sodium hydroxide, and formed hydrogels. A gentle rise of pH was observed as the dosage of the base increased when arginine and lysine were used, in contrast to the sharp rise of pH observed when sodium hydroxide was used. The rank of viscosity of the prepared hydrogels was as follows : lysine>arginine>NaOH. The release rate of model drugs (salicylic acid, theophylline, and bovine insulin) from the prepared hydrogels ranked as follows : NaOH>lysine>arginine, the sustained-release profile being observed with arginine. The rate of diffusion of the model drug from the hydrogel was inversely proportional to the molecular weight of the cationized neutralizer used. It is concluded that the startegy of neutralization of acidic polymers by basic amino acids has advantage with the respect to both the sustained-release characteristics of the gel and the biocompatibility of the basic amino acids themselves.
- 公益社団法人日本薬学会の論文
- 2000-11-01
著者
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MIYANAGA Yohko
School of Pharmaceutical Sciences, Mukogawa Women's University
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MATSUYAMA Kenji
School of Pharmaceutical Sciences, Mukogawa Women's University
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UCHIDA Takahiro
School of Pharmaceutical Sciences, Mukogawa Women's University
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Miyanaga Y
School Of Pharmaceutical Sciences Mukogawa Women's University
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Miyanaga Yohko
School Of Pharmaceutical Sciences Mukogawa Women's University
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Wada K
Kawanishi Pharma Research Institute Nippon Boehringer Ingelheim Co. Ltd.
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Wada K
Nagoya Inst. Technol. Nagoya‐shi Jpn
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Matsuyama Kenji
School Of Pharmaceutical Sciences Mukogawa Women's University
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Matsuyama Kenji
Department Of Hospital Pharmacy Nagasaki University Hospital:faculty Of Pharmaceutical Sciences Kyus
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Matsuyama Kenji
Department Of Clinical Pharmacy Faculty Of Pharmaceutical Sciences Mukogawa Women's University
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Uchida Takahiro
School Of Pharmaceutical Sci. Mukogawa Women's Univ.
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WADA Koichi
Kawanishi Pharma Research Institute, Nippon Boehringer Ingelheim Co., Ltd.,
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OHKI Toshimitsu
Kawanishi Pharma Research Institute, Nippon Boehringer Ingelheim Co., Ltd.,
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TOIDA Yuka
School of Pharmaceutical Sciences, Mukogawa Women's University
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MACHIDA Kotoe
Kawanishi Pharma Research Institute, Nippon Boehringer Ingelheim Co., Ltd.,
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WADA Koichi
Biotechnology Research Center, Toyama Prefectural University
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Toida Yuka
Faculty Of Pharmaceutical Sciences Mukogawa Women's University
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Machida Kotoe
Kawanishi Pharma Research Institute Nippon Boehringer Ingelheim Co. Ltd.
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Ohki Toshimitsu
Kawanishi Pharma Research Institute Nippon Boehringer Ingelheim Co. Ltd.
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Wada K
Biotechnology Research Center Toyama Prefectural University
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Wada Koichi
The Department Of Electrical And Computer Engineering Nagoya Institute Of Technology
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