Application of Powdered Ceramics Support to the Production of L-Tryptophan by Resting Escherichia coil K-12 Cells
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概要
- 論文の詳細を見る
Escherichia coil K-12 cells having tryptophanase activity could be readily adsorbed to the surface of commercial ceramic powders such as γ-alumina, silica, titania, zirconia or glass, when they were suspended in a neutral or alkaline buffer solution in the presence of poly(methacryl-oxyethyl trimethyl ammonium chloride)(PMAAC), acationic flocculant. Tryptophanase activity of the cells treated with PMAAC was somewhat less than that of the untreated cells, however, the activity of the cells adsorbed to titania, zirconia or glass powder after five recyclings was appreciably more stable than that of the intact cells.
- 公益社団法人日本生物工学会の論文
- 1989-03-25
著者
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Shimada K
Waseda Univ. Tokyo‐to
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Shimada Keiko
Department Of Clinical And Biomedical Sciences Showa Pharmaceutical University
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SHIMAHARA KENZO
Department of Industrial Chemistry, Faculty of Engineering, Seikei University
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Shimahara Kenzo
Department Of Industrial Chemistry Faculty Of Engineering Seikei University
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