水中のマウス肝炎ウィルスの除去に関するシルバーカーボンの効果

概要

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Granules of active carbon (average diameter 1mm) coated with silver, named silver carbon (SC), were examined regarding a decreasing fatal action of mouse hepatitis virus (MHV) to ICR mouse. It was performed by injecting into abdominal cavities of 3 ICR mice in each group with 0.2ml of a MHV infected liver suspension. The number of mice dying and an average period until death were noted. The results were as fellows.(1) A suspension of mouse hepatitis virus (10-6 or 10-8 dilution) after shaking with 5g of SC or granules of active carbon not coated with silver (CC), reduced the number of mice dying in comparison with that using a suspension of MHV did not mix with SC or CC.(2) A suspension of MHV filtrated through a filter layer of SC or CC (3g) in a glass column showed the same tendency as (1) toward ICR mouse. The effect of SC was excellent as compared with that of CC in some conditions.(3) Filter layers made of SC of various weights (6, 9 or 12g) were examined for decreasing a fatal action of MHV to ICR mouse. The thickest filter layer of SC. (12g) was the most excellent to obtain the effect among the other 3 layers. Further examinations were required on that the effect of SC to MHV was reduced gradually, while the suspensions of MHV was filtrated continuously through the SC filter layer.
日本衛生学会の論文