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本文采用粉尘溶血试验,研究了二氧化硅(SiO_2)和二氧化锡(SnO_2)粉尘对红细胞(R.B.C.)生物膜的毒作用,以及二种尘混合后,SnO_2是否有增强SiO_2的毒性作用。结果报告如下。 材料与方法 1.红细胞悬液的制备 采取成年家兔新鲜血液5ml,放入含肝素(500单位/ml)生理盐水0.2ml的离心管中,加适量生理盐水混匀,经1,500转/分
In this paper, the hemolysis test was used to study the toxic effects of SiO_2 and SnO_2 dust on R.B.C. biofilm and whether SnO_2 could enhance the toxicity of SiO_2 after mixed with two dusts. The results are reported below. Materials and Methods 1. Preparation of Erythrocyte Suspension 5ml of fresh blood of adult rabbits was placed in a centrifuge tube containing 0.2ml of normal saline (500 units / ml) and mixed with appropriate amount of physiological saline. After 1,500 r / min