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滤过除菌法是用机械方法将液体或空气中的细菌除去的一种物理方法。所用的器具是滤菌器。滤菌器含有微细小孔,只允许液体或气体通过,大于孔径的物体则不能通过,借以获得无菌液体或空气。主要用于一些不耐高温灭菌的血清、毒素、抗生素、药液、空气等除菌。滤菌器一般不能除去病毒、支原体和L型细菌等。滤菌器的种类很多,目前医学上常用的有薄膜滤菌器、Seitz滤菌器等。
Filtration Sterilization is a physical method by which bacteria in the liquid or air are mechanically removed. The equipment used is a bacteria filter. Microbial bacteria contain tiny holes, allowing only liquid or gas through, larger than the aperture of the object can not pass in order to obtain sterile liquid or air. Mainly used for some non-heat sterilization of serum, toxins, antibiotics, liquid, air sterilization. Filter bacteria generally can not remove the virus, Mycoplasma and L-type bacteria. Many types of bacteria filter, the current medical commonly used film filter, Seitz bacteria and so on.