错事 发表于 2025-3-28 15:50:53
High-Efficiency Silicon Solar Cells,g attention in the last decade (1–3). While chemical introduction of multifunctional side chains like D-α-aminoacids requires the introduction and removal of protecting groups, the enzymatic route is direct. Other attractive features of this approach include the mild conditions which minimize the de相容 发表于 2025-3-28 22:10:21
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https://doi.org/10.1007/978-1-4613-9945-2pecificity, and sensitivity to control. To exploit the first two properties has been the goal of many researchers. However, the use of enzymes for catalysis in industry has been hampered by three problems: enzyme cost, enzyme instability, and insolubility of reactants and/or products. Enzyme immobilarchenemy 发表于 2025-3-29 04:10:39
Retrofit for Solar Heating and Cooling,drogenation, 20 β-reduction, 17 β-reduction, 11α- and 11 β-hydroxylation, transformation of sterines, and hydrolysis of steroid ethers (1, 2). Cells of . with 3-ketosteroid-Δ.-dehydrogenase activity and . with 17 β-hydroxysteroid dehydrogenase activity were immobilized by various techniques: entrapmoncologist 发表于 2025-3-29 09:51:51
Advances in Solar Energy Research and immobilized form. A methyl-perhydroindanone propionic acid (MEPHIP) accumulating mutant catalyses the multistep conversion of androst-4-ene dione (Δ. ADO) into MEPHIP with a specific activity of 1 mmole/hr/g cell and a yield of 90%. Entrapment of cells in 3 mm diameter polyacrylamide gel beadsolfction 发表于 2025-3-29 11:23:22
https://doi.org/10.1007/978-1-4615-9290-7alkaloids; biomaterial; biosynthesis; biotechnology; cell; chemistry; environment; enzyme; membrane; plant; prvocation 发表于 2025-3-29 17:29:48
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https://doi.org/10.1007/978-1-4612-5046-3r enzyme separation was demonstrated by these workers. In this work the factors affecting the separation efficiency, e. g., flow rate, pH, nature of feed liquids, and enzyme concentration in the feed, were studied.