含DESs体系中固定化Kurthia gibsonii SC0312细胞催化1-苯基-1,2-乙二醇不对称氧化反应
Q815; 在含深度共熔溶剂的非水相体系中,利用固定化Kurthia gibsonii SC0312细胞高效催化外消旋1-苯基-1,2-乙二醇(PED)不对称氧化以制备对映体纯的(S)-PED.在所考察的4种离子液体和2种深度共熔溶剂中,氯化胆碱/尿素([ChCl][U])对Kurthia gibso-nii SC0312细胞表现出良好的生物相容性,能适当改变细胞膜的完整性,有效提高反应的催化效率.在[ChCl][U]体积分数为4％、缓冲液pH值为7.5、反应温度为35℃、细胞质量浓度为60mg/mL、底物浓度为100 mmol/L的条件下,反应初速度为8.25 mmol/(L·h),反应仅7...
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| Published in | 华南理工大学学报（自然科学版） Vol. 47; no. 11; pp. 62 - 70 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
华南理工大学食品科学与工程学院,广东广州,510640
01.11.2019
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-565X |
| DOI | 10.12141/j.issn.1000-565X.190101 |
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| Abstract | Q815; 在含深度共熔溶剂的非水相体系中,利用固定化Kurthia gibsonii SC0312细胞高效催化外消旋1-苯基-1,2-乙二醇(PED)不对称氧化以制备对映体纯的(S)-PED.在所考察的4种离子液体和2种深度共熔溶剂中,氯化胆碱/尿素([ChCl][U])对Kurthia gibso-nii SC0312细胞表现出良好的生物相容性,能适当改变细胞膜的完整性,有效提高反应的催化效率.在[ChCl][U]体积分数为4％、缓冲液pH值为7.5、反应温度为35℃、细胞质量浓度为60mg/mL、底物浓度为100 mmol/L的条件下,反应初速度为8.25 mmol/(L·h),反应仅7h产率及(S)-PED e.e.值即分别达49.6％和99.9％. |
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| AbstractList | Q815; 在含深度共熔溶剂的非水相体系中,利用固定化Kurthia gibsonii SC0312细胞高效催化外消旋1-苯基-1,2-乙二醇(PED)不对称氧化以制备对映体纯的(S)-PED.在所考察的4种离子液体和2种深度共熔溶剂中,氯化胆碱/尿素([ChCl][U])对Kurthia gibso-nii SC0312细胞表现出良好的生物相容性,能适当改变细胞膜的完整性,有效提高反应的催化效率.在[ChCl][U]体积分数为4％、缓冲液pH值为7.5、反应温度为35℃、细胞质量浓度为60mg/mL、底物浓度为100 mmol/L的条件下,反应初速度为8.25 mmol/(L·h),反应仅7h产率及(S)-PED e.e.值即分别达49.6％和99.9％. |
| Author | 赵莹 彭飞 娄文勇 |
| AuthorAffiliation | 华南理工大学食品科学与工程学院,广东广州,510640 |
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| Author_FL | ZHAO Ying PENG Fei LOU Wenyong |
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| DocumentTitle_FL | Asymmetric Oxidation of Racemic 1-Phenyl-1,2-Ethanediol Using Immobilized Kurthia gibsonii SC0312 Cells in DESs-Containing System |
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| Keywords | 氯化胆碱/尿素 1-苯基-1,2-乙二醇 不对称氧化 Kurthia gibsonii SC0312细胞 |
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| Title | 含DESs体系中固定化Kurthia gibsonii SC0312细胞催化1-苯基-1,2-乙二醇不对称氧化反应 |
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