書誌事項
- タイトル別名
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- Biodegradation of Cellulose Acetate by Neisseria sicca.
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説明
Bacteria capable of assimilating cellulose acetate, strains SB and SC, were isolated from soil on a medium containing cellulose acetate as a carbon source, and identified as Neisseria sicca. Both strains degraded cellulose acetate membrane filters (degree of substitution, DS, mixture of 2.8 and 2.0) and textiles (DS, 2.34) in a medium containing cellulose acetate (DS, 2.34) or its oligomer, but were not able to degrade these materials in a medium containing cellobiose octaacetate. Biodegradation of cellulose acetate (DS, 1.81 and 2.34) on the basis of biochemical oxygen demand reached 51 and 40% in the culture of N sicca SB and 60 and 45% in the culture of N. sicca SC within 20 days. A decrease in the acetyl content of degraded cellulose acetate films and powder was confirmed by infrared and nuclear magnetic resonance analyses. After 10-day cultivation of N. sicca SB and SC, the number-average molecular weight of residual cellulose acetate decreased by 9 and 5%, respectively. Activities of enzymes that released acetic acid and produced reducing sugars from cellulose acetate were mainly present in the culture supernatant. Reactivity of enzymes for cellulose acetate (DS, 1.81) was higher than that for cellulose acetate (DS, 2.34).
収録刊行物
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- Ｂｉｏｓｃｉｅｎｃｅ， Ｂｉｏｔｅｃｈｎｏｌｏｇｙ， ａｎｄ Ｂｉｏｃｈｅｍｉｓｔｒｙ
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Ｂｉｏｓｃｉｅｎｃｅ， Ｂｉｏｔｅｃｈｎｏｌｏｇｙ， ａｎｄ Ｂｉｏｃｈｅｍｉｓｔｒｙ 60 (10), 1617-1622, 1996
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681451275008
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- NII論文ID
- 110002678330
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- NII書誌ID
- AA10824164
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- COI
- 1:CAS:528:DyaK28XmsFajsbc%3D
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- ISSN
- 13476947
- 09168451
- http://id.crossref.org/issn/09168451
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- PubMed
- 8987659
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
