書誌事項
- タイトル別名
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- Application of Novel Sensors for Bioprocess On-Line Monitoring to Dextran Fermentation.
- バイオプロセスヨウ センサー ニ ヨル デキストラン ハッコウ ノ オンライン
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抄録
An on-line monitoring system was developed for the measurement of various parameters such as cell concentration, viscosity of broth and sucrose concentration in dextran fermentation. This system was constructed from a piezoelectric gum sensor, a quartz crystal viscous sensor, a sucrose sensor, a bioreactor and a personal computer.<BR>A piezoelectric gum sensor for the determination of biomass was prepared with two piezoelectric gums, a pulse generator and an amplifier. The calibration curve for L. mesenteroides was linear in the range of 1.0-4.8 g dry cell mass.l-1. A quartz crystal viscous sensor was prepared with AT-cut quartz crystal, an oscillating circuit and a peak level meter. A linear relationship was obtained between resonant resistance (R1) of the quartz crystal and (ρη) 1/2 of dextran solution, where ρ and η were density and viscosity respectively. A sucrose sensor was prepared with three immobilized enzyme layers (glucose oxidase, mutarotase and invertase) and a gold working electrode. The calibration curve for sucrose was linear up to 1000 mg·l-1.<BR>An on-line monitoring system was applied to dextran fermentation, and these paramenters were measured. Good correlation was obtained between the sensor signals and the values determined by conventional methods.
収録刊行物
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- 化学工学論文集
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化学工学論文集 17 (3), 559-564, 1991
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204509426048
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- NII論文ID
- 130000871210
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- NII書誌ID
- AN00037234
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- ISSN
- 13499203
- 0386216X
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- NDL書誌ID
- 3719132
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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