The effect of carbon and silicon nanotubes (CNTs and SiNTs) and carbon nanofibers (CNFs) to microscopic marine algae Heterosigma akashiwo was studied, using algal growth inhibition for 3 days (acute effect) and 7 days (chronic effect) as toxicity endpoints. The criterion of the toxic effect was the statistically significant reduction of the number of algal cells in the exposed samples compared to the control. Samples did not demonstrate toxic effects at doses 1 mg/l and 10 mg/l. CNTs and SiNTs samples at 100 mg/l exhibited both acute and chronic toxic effects. We assume that the main cause of cell death in these samples was related to the mechanical damage of cell integrity. CNFs at concentrations of 100 mg/l did not inhibit algal growth, but cells with irregular shapes were observed, which were not observed after exposure to CNTs and SiNTs. Nickel impurities present in CNFs samples are presumably the main cause of observed cell deformations.

碳和硅纳米管（CNT和SiNT）以及碳纳米纤维（CNF）对微观海藻Heterosigma akashiwo的影响以藻类生长抑制作用3天（急性作用）和7天（慢性作用）作为毒性终点进行了研究。毒性作用的标准是与对照组相比，暴露样品中藻类细胞的数量在统计学上显着减少。样品在1 mg / l和10 mg / l的剂量下均未显示毒性作用。100 mg / l的CNT和SiNTs样品表现出急性和慢性毒性作用。我们假设这些样品中细胞死亡的主要原因与细胞完整性的机械损伤有关。浓度为100 mg / l的CNF不会抑制藻类的生长，但是会观察到形状不规则的细胞，暴露于CNTs和SiNTs后未观察到。CNF样品中存在的镍杂质可能是观察到的电池变形的主要原因。