Hemolytic Interaction of Newcastle Disease Virus and Chicken Erythrocytes. II. Determining Factors
AUTOR(ES)
Clavell, Luis A.
RESUMO
Standard procedures have been described for measuring paramyxovirus-induced hemolysis. The choice of these procedures is based on the analysis of the behavior of eight different strains of Newcastle disease virus. Significant strain-specific differences in hemolytic activity have been found. The presence of at least two kinds of inhibitors of hemolysis in virus preparations necessitates the use of purified virus when comparisons of hemolytic activities are to be made. In addition, it has been stressed that both hemagglutination titers and hemolysis determinations provide only relative values. Thus, quantitative comparisons can be made only with results obtained on the same day and with the same erythrocyte preparation.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=380371Documentos Relacionados
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