| 三苯基锡对紫萍生长及酶活性的毒性作用 |
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| 引用本文： | 宋志慧,刘歌.三苯基锡对紫萍生长及酶活性的毒性作用[J].环境科学与管理,2009,34(9):57-60. |
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| 作者姓名： | 宋志慧 刘歌 |
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| 作者单位： | 青岛科技大学,环境与安全工程学院,山东,青岛,266042 |
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| 摘 要： | 以紫萍作为实验生物，通过研究不同浓度的三苯基锡对紫萍（Spirodela polyrrhiza L．）根叶生长、多酚氧化酶（PPO）活性、过氧化氢酶（CAT）活性和过氧化物酶（POD）的影响，为及时发现和排除三苯基锡的污染提供理论和直观依据。结论表明：培养4d后，三苯基锡处理对紫萍叶片生长量的IC50为0．71mg／L。相同培养液条件下，PPO、CAT和POD均随着三苯基锡处理浓度的升高呈现先升高后下降的趋势。从中可以说明三苯基锡对紫萍有明显的毒性作用。
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| 关 键 词： | 三苯基锡 紫萍 多酚氧化酶 过氧化氢酶 过氧化物酶 IC50 |
The Toxic Effects of Triphenyltin on the Growth and Enzymic Activity of Spirodela Polyrrhiza |
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| Song Zhihui,Liu Ge.The Toxic Effects of Triphenyltin on the Growth and Enzymic Activity of Spirodela Polyrrhiza[J].Environmental Science and Management,2009,34(9):57-60. |
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| Authors: | Song Zhihui Liu Ge |
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| Institution: | Song Zhihui,Liu Ge(School of Environment , Safety Engineering,Qingdao University of Science , Technology,Qingdao 266042,China) |
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| Abstract: | This paper mainly deals with the effects of triphenyltin(TPT) on the growth,the activity of polyphenoloxidase(PPO),catalase(CAT) and peroxide(POD) of Spirodela polyrrhiza.The result indicates that the 96hIC50 of triphenyltin(TPT)to the number of Spirodela polyrrhiza's leaf is 0.71 mg/L.The values of polyphenoloxidase(PPO),catalase(CAT)and peroxide(POD)activity increase with TPT at low concentrations and reduce with TPT at high concentrations. |
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| Keywords: | IC50 |
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