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lhd0927

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lhd0927: ½ð±Ò+5, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2013-01-13 13:33:11
Ŀǰ,¹úÄÚÍâÐí¶àѧÕß¶Ô΢ÔåÖØ½ðÊôвÆÈϵĿ¹Ñõ»¯Ã¸»îÐÔÑо¿×öÁË´óÁ¿¹¤×÷,ÓÐѧÕßÈÏΪ¿ÉÒÔ½«³¬Ñõ»¯ÎïÆç»¯Ã¸(superoxide dismutase, SOD)¡¢¹ýÑõ»¯Îïø(peroxidise, POD)µÈ¿¹Ñõ»¯Ã¸×÷Ϊ¼à²âÖØ½ðÊôÎÛȾµÄÉúÎïÖ¸±ê¡£
·­Ò룺At present£¬lots of works have been done on the antioxidant enzyme activities of microalgae under the stresses of heavy metals by many scholars at home and abroad  £¬and some scholars suggested that SOD¡¢POD and other antioxidant enzymes as the bio-indicators for monitoring the pollution of heavy metals .


È»¶ø³ýÁËÖØ½ðÊôÒÔÍâ,´óÁ¿µÄÆäËü»¯Ñ§ÎÛȾÎïÒѱ»Ö¤ÊµÍ¬Ñù»áÒýÆð¿¹Ñõ»¯Ã¸»îÐԵı仯,Òò´ËÉúÎïÌåÖп¹Ñõ»¯Ã¸»îÐÔµÄÓ°ÏìÒòËØºÜ¶à¡£
·­Ò룺However, except for heavy metals£¬a large number of other chemical contaminants have been proven to be account for the changes of antioxidant enzyme activities,and thus the factors affecting the antioxidant enzyme anctivities are numerous .


ÊÂʵÉÏÔåÀàÔÚпвÆÈϲ»½ö¿¹Ñõ»¯Ã¸»îÐÔ·¢Éú±ä»¯,½ðÊôÁòµ°°×(metallothionein)¼°¹Èë׸ÊëÄ(glutathiose)µÈÎïÖÊÒ²»áÊܵ½Ó°Ïì¡£
·­Ò룺In fact not only there are changes in the antioxidant enzyme activities of the algae, but also impacts on metalothionein and glutathiose and other substances under the stress of Zinc.


¹Ê±¾ÊµÑéͨ¹ý¹Û²ì²»Í¬Å¨¶ÈпвÆÈÏ¿¹Ñõ»¯Ã¸ÏµÍ³ÖÐ SOD¡¢POD»îÐԵı仯ÒÔ¼°½ðÊôÁòµ°°×µÄº¬Á¿±ä»¯,ÒÔÑо¿ÔåÀàÔÚпвÆÈϵÄÉúÎïѧÏìÓ¦¡£
·­Ò룺Therefore£¬this experiment investigated on the biological response of the algae under the stress of Zinc by observing the changes of  SOD , POD activities and  the variation of the content of metallothionein    in antioxidant enzyme system    under different concentrations of zinc stress
2Â¥2013-01-13 13:27:20
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lhd0927

½ð³æ (СÓÐÃûÆø)

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