Inhibitory effects of nanosilver on influenza virus H3N2
Zheng Cong-long
Abstract
Zheng Cong-long
Abstract
Objective To explore the inhibitory effects of nanosilver on influenza virus H3N2.Methods Inhibitory effects of nanosilver on influenza virus H3N2 were detected by hemagglutination test,MTT test,red cell attachment test and embryonated egg cultivation.Results The hemagglutination titer of influenza virus H3N2 in nanosilver group and the virus control group was less than 1∶4 and equal to 1∶1 024 respectively(P0.001).The maximal atoxic concentration of nanosilver and the tissue culture infective dose(TCID50) of H3N2 on MD-25 cell was 25 μg/ml and 10-3.5/0.1 ml respectively.The survival rate of MD-25 cells was(96.77±2.07)% after the 50 μg/ml nanosilver solution mixed with 40 TCID50 influenza virus H3N2 for 2 hours,and the survival rate of MD-25 cells was(33.09±1.48)% in 20 TCID50 influenza virus H3N2 group(P0.001).Conclusion Nanosilvers has obvious inhibitory effects on influenza virus H3N2.
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Objective To explore the inhibitory effects of nanosilver on influenza virus H3N2.Methods Inhibitory effects of nanosilver on influenza virus H3N2 were detected by hemagglutination test,MTT test,red cell attachment test and embryonated egg cultivation.Results The hemagglutination titer of influenza virus H3N2 in nanosilver group and the virus control group was less than 1∶4 and equal to 1∶1 024 respectively(P0.001).The maximal atoxic concentration of nanosilver and the tissue culture infective dose(TCID50) of H3N2 on MD-25 cell was 25 μg/ml and 10-3.5/0.1 ml respectively.The survival rate of MD-25 cells was(96.77±2.07)% after the 50 μg/ml nanosilver solution mixed with 40 TCID50 influenza virus H3N2 for 2 hours,and the survival rate of MD-25 cells was(33.09±1.48)% in 20 TCID50 influenza virus H3N2 group(P0.001).Conclusion Nanosilvers has obvious inhibitory effects on influenza virus H3N2.
Key concepts: Embryonated, Virus, Hemagglutination, Titer, Hemagglutination assay, Virology, Inhibitory postsynaptic potential, Influenza A virus