Tianjin Recycling Water Co.

Tianjin, China

Tianjin Recycling Water Co.

Tianjin, China
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Zhang X.,Tianjin Institute of Urban Construction | Gao W.,Tianjin Recycling Water Co. | Chen X.,Tianjin Institute of Urban Construction | Zhu L.,Nankai University
2011 International Conference on Electric Technology and Civil Engineering, ICETCE 2011 - Proceedings | Year: 2011

The method of spectrophotometry was used to analyze the activities of antioxidative enzymes in Tubifex species, Monopylephorus limosus, when exposed to different concentrations of chlorine dioxide. It was found that chlorine dioxide had significant influence on two antioxidant enzymes activities. The activities of both SOD and CAT were activated previously and then restrained at a certain level in comparison to the control groups with the exposure time. SOD acted a little earlier than CAT while CAT was affected greater than SOD. The changes of SOD and CAT activities caused by chlorine dioxide had relations with the mortalities. © 2011 IEEE.


Chen X.,Tianjin Institute of Urban Construction | Zhang X.,Tianjin Institute of Urban Construction | Gao W.,Tianjin Recycling Water Co. | Zhu L.,Nankai University
2011 International Conference on Electric Technology and Civil Engineering, ICETCE 2011 - Proceedings | Year: 2011

Based on culture of Tubifex species, Monopylephorus limosus, frequently found in tap water and pilot study of control, sodium hypochlorite used as common disinfectant was studied for its effects in water on activities of superoxide dismutase (SOD) and catalase (CAT) in Tubifex. It was found that the changes of SOD and CAT activities caused by sodium hypochlorite were identical in general and had relations with the mortalities. But CAT acted a little later than SOD. © 2011 IEEE.

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