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不同粒径和形貌的纳米硫化镉对小鼠肝肾毒性的研究 被引量:12

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摘要 研究粒径不同的粒状纳米硫化镉(Nano-CdS粒,粒径3~5nm)和棒状纳米硫化镉(Nano-CdS棒,直径30~40nm)对小鼠的肝、肾毒性。通过普通级昆明种小鼠急性毒性实验(LD50)、蓄积毒性实验、肝肾的血清生化指标测定及肝肾病理学分析对Nano-CdS粒和Nano-CdS棒的毒性进行研究。Nano-CdS粒和Nano-CdS棒的经口急性毒性分别为LD50=584mg/kg和LD50=7500mg/kg。Nano-CdS粒蓄积系数(K)为3.2,Nano-CdS棒的K为4.8。Nano-CdS粒组血清中天冬氨酸转氨酶(AST)、丙氨酸转氨酶(ALT)、肌酐(Cr)、尿素氮(BUN)含量均高于Nano-CdS棒组(P<0.05)。病理结果显示,Nano-CdS粒对肝肾的损伤大于Nano-CdS棒。粒径较小的Nano-CdS粒的毒性大于直径较大的Nano-CdS棒。
出处 《环境与健康杂志》 CAS CSCD 北大核心 2010年第6期542-543,共2页 Journal of Environment and Health
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参考文献7

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