Activated Carbon Sphere with Antibacterial Characteristics
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- Yamamoto Osamu
- Department of Applied Chemistry, Kanagawa Institute of Technology
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- Sawai Jun
- Department of Applied Chemistry, Kanagawa Institute of Technology
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- Sasamoto Tadashi
- Department of Applied Chemistry, Kanagawa Institute of Technology
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Abstract
The activated carbon sphere containing zinc oxide was prepared by carbonizing a zinc ion-exchange resin at different temperatures in nitrogen gas. Zinc oxide of hexagonal type was detected in all carbon samples, the amount of which decreased with an increase in the carbonization temperature. However, the specific surface areas of carbon samples increased with increasing temperature of the resin. The antibacterial activity on their carbon samples was studied without the presence of light. The antibacterial activity on carbon samples containing zinc oxide increased with the amount of zinc oxide in the carbon samples. The antibacterial activity for Staphylococcus aureus was stronger than that for Escherichia coli. By an oxygen electrode analysis, it is shown that hydrogen peroxide was generated on the carbon samples. The concentration of hydrogen peroxide increased with increasing carbonization temperature of the resin. The antibacterial activity is found to be caused by the generation of hydrogen peroxide from zinc oxide dispersed in activated carbon sphere.
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 43 (5), 1069-1073, 2002
The Japan Institute of Metals and Materials
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Details 詳細情報について
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- CRID
- 1390001204246628352
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- NII Article ID
- 10012323426
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- NII Book ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD38Xlt1entb0%3D
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- ISSN
- 13475320
- 13459678
- http://id.crossref.org/issn/09161821
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- NDL BIB ID
- 6180181
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed