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功能化离子液体修饰的 SBA-15 固定化 Burkholderia cepacia 脂肪酶（图）
Burkholderia cepacia 脂肪酶 固定化 介孔材料 离子液体 修饰
2013/10/5
采用含不同碳链长度咪唑环的烷基功能化离子液体修饰介孔材料 SBA-15, 并通过 X-射线衍射、元素分析、N2 吸附-脱附、红外光谱和扫描电镜等方法研究了离子液体修饰对 SBA-15 结构的影响. 以三乙酸甘油酯的水解为探针反应, 考察了甲基、丁基、辛基等不同链长烷基取代咪唑类离子液体修饰的 SBA-15 固定化 Burkholderia cepacia 脂肪酶 (BCL) 的酶活、最适反应条件及...
研究了核苷结构中2'-位含有不同取代基时Burkholderia cepacia脂肪酶促3'-位羟基高区域选择性酰化反应.结果表明,该脂肪酶催化核苷类似物酰化的优势产物均为3'-酯,且随着酰基供体链的增长,3'-区域选择性逐渐升高;在酶促核苷癸酰化反应中,当核苷2'-位含有 H,F,Cl和Br取代基时,3'-区域选择性最高(89%~98%);当2'-位含有OH或OCH3 时,3'-区域选择性较低(...
Production of Aldonic Acids from Monosaccharides by Washed Cells of Burkholderia cepacia and their Calcium Binding Capability
aldonic acid Burkholderia cepacia microbial conversion oxidation calcium binding
2008/4/20
Microbial oxidation of monosaccharides and calcium binding capability of the resulting aldonic acids were investigated. When washed cells of a strain of Burkholderia cepacia were shaken with 15% (w/v)...
Microbial Conversion of Lactose to Lactobionic Acid by Resting Cells of Burkholderia cepacia No. 24
lactobionic acid lactose Burkholderia cepacia oxidase microbial conversion
2008/4/20
Microbial conversion of lactose to lactobionic acid (β-O-D-galactosyl D-gluconic acid) was carried out with the resting cells of a mutant strain of Burkholderia cepacia that showed tolerance to high l...