1. 中国科学院大连化学物理研究所,大连,116023
2. 中国科学院研究生院,北京,100039
网络首发:2008-04-10,
纸质出版:2008
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彦飞 1, 2, 陈兆安 1, 等. 厌氧条件下扁藻破碎方法及其对氢酶活性的影响[J]. 西安交通大学学报, 2008,42(4):497-500.
彦飞 1, 2, 陈兆安 1, et al. Fragmentation of Platymonas Subcordiformis in Anaerobic Environment and Effect on Hydrogenase Activity[J]. 2008, 42(4): 497-500.
为了分离纯化亚心型扁藻(Platymonas subcordiformis)体内的可溶性氢酶
研究了在厌氧环境下藻细胞的破碎方法
以及各种破碎条件对氢酶活性的影响.实验结果表明
使用超声法在输出功率为400 W、超声为5 s、间歇为10 s、工作20次的条件下
破碎细胞后溶液中总蛋白含量最高
可达2.73 g/L.珠磨法和体积分数为0.2%的Triton X-100法破碎的鲜细胞的氢酶提取效率较高
分别为1.44 U/g和1.27 U/g
其中使用Triton X-100法破碎后的粗提液所含其他蛋白的种类较少.实验的最终目的是获得足够量的氢酶进行下一步纯化
因此Triton X-100法是最合适的方法.
To isolate and purify dissolvable hydrogenase in Platymonas subcordiformis cells
the scheme for alga cell fragmentation is designed in anaerobic environment
and the effects of experimental conditions on the hydrogenase activity are investigated. By means of ultrasonication
the concentration of total protein approaches to 2.73 g/L under the condition of 400 W output power
5 s crushing time
10 s interval for 20 times. The efficiency of hydrogenase isolation gets higher in case of glass beads or 0.2%(volume fraction)Triton X-100 to break up fresh cells to obtain 1.44 U/gand 1.27 U/g respectively
while the other proteins get less in crude extract by Triton X-100 method
which is suggested to gain enough purified hydrogenase.
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管英富. 绿藻间接光解水制氢过程的研究[D]. 大连: 中国科学院大连化学物理研究所, 2003.
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