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Chitosan Membranes for Optical pH Chemical Sensors
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- Tonegawa Masami
- Department of Chemistry, Tokyo Medical College
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- Kitahara Keiichi
- Department of Chemistry, Tokyo Medical College
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- Masuda Takako
- Department of Chemistry, Tokyo Medical College
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- Nishimura Yukihiro
- Department of Chemistry, Tokyo Medical College
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- Yamashita Junzo
- Department of Chemistry, Tokyo Medical College
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- Takai Nobuharu
- Faculty of Science and Engineering, Tokyo Denki University
Bibliographic Information
- Other Title
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- 光ファイバーpH化学センサー用キトサン膜
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Description
A three-layer membrane for optical pH chemical sensors has been developed consisting of layers of polyester support, chitosan-indicator and polyvinly alcohol-titanium dioxide for reflection. The chitosan membrane was more stable and easier for immobilizing of benzopurprine 4B or fluorescein isothiocyanate than a cellulose membrane on which polyvinyl alcohol with titanium dioxide and calcium carbonate was coated and heated at 140°C in nitrogen atmosphere followed by dissolving of calcium carbonate to form a porous water-resistant membrane for reflection of light. The sensor membrane shows a pH-induced color change than makes it capable of measuring pH in the 3-7 range.
Journal
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- Journal of Life Support Engineering
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Journal of Life Support Engineering 9 (1), 13-18, 1997
The Society of Life Support Engineering
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Details 詳細情報について
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- CRID
- 1390282679344045696
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- NII Article ID
- 10031133952
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- NII Book ID
- AA11947931
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- ISSN
- 18845827
- 13419455
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed
