孙凯峰;刘莉莉;孙东;刘伟杰;何宁;段舜山;

• 1:暨南大学水生生物研究中心
• 2:环境保护部华南环境科学研究所
• 3:安徽大学江淮学院

摘要(Abstract)：

分离筛选11种微藻开展微藻对NP暴露的响应特征和去除能效研究。NP对叶绿素a含量的96 h半抑制效应浓度(EC50)介于0.60~3.33 mg·L~(-1)之间,EC50由小到大依次为:短棘盘星藻<羊角月牙藻<小球藻<衣藻<斜生栅藻<肥壮蹄形藻<卷曲纤维藻<二尾栅藻<惠氏微囊藻<四尾栅藻<蛋白核小球藻。除斜生栅藻、羊角月牙藻、肥壮蹄形藻、卷曲纤维藻之外,微藻的生长速率与EC50呈显著的正相关关系。EC50与细胞粒径、表面积以及体积总体上呈负相关关系,与微藻对NP的最大去除速率和半饱和常数呈正相关关系。NP的藻类去除过程符合一级反应动力学方程,且NP的半衰期与微藻起始总表面积呈显著的负相关关系。NP对微藻群落的影响与其浓度相关,其选择性干扰效应主要与微藻耐受性相关。NP耐受性高的种类多表现出高生长速率和去除能力。

关键词(KeyWords)： 壬基酚;微藻;急性毒性;生物去除

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(21307140,41476099);; 中央级公益性科研院所基本科研业务专项(PM-zx703-201602-043,PM-zx021-201211-123)

作者(Author): 孙凯峰;刘莉莉;孙东;刘伟杰;何宁;段舜山;

Email:

DOI:

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