INFLUENCES OF SEVERAL SOIL COLLOIDS ON THE ADSORPTION AND PROPERTIES OF UREASE ENZYME
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition1997年第Z1期
论文作者：黄巧云
文章页码：25 - 32
摘 要：<正> The present experiment was designed to elucidate the effects of the sterilized colloids separated from red soil,latosol and yellow brown soil,which are the typical zonal soils in central-south China, on the adsorption,activity,kinetic parameters and thermal stability of urease enzyme which plays significant role in the transformation of soil nitrogen compounds. Results show that the amount of enzyme adsorbed on the examined soil colloids followed the order: yellow brown soil>red soil=latosol. The residual activities of enzyme in different colloid systems are in the following sequence:red soil>latosol>yellow brown soil. The thermal stability of adsorbed enzyme is higher than that of free enzyme.
黄巧云
Huazhong Agricultural University
摘 要：<正> The present experiment was designed to elucidate the effects of the sterilized colloids separated from red soil,latosol and yellow brown soil,which are the typical zonal soils in central-south China, on the adsorption,activity,kinetic parameters and thermal stability of urease enzyme which plays significant role in the transformation of soil nitrogen compounds. Results show that the amount of enzyme adsorbed on the examined soil colloids followed the order: yellow brown soil>red soil=latosol. The residual activities of enzyme in different colloid systems are in the following sequence:red soil>latosol>yellow brown soil. The thermal stability of adsorbed enzyme is higher than that of free enzyme.
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