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The copper staining method is applicable as a rapid visualization step for preparing viral proteins after SDS-PAGE to induce monospecific antisera.
Viral polypeptides were prepared by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) followed by copper staining and electroelution from gel slices. Poliovirus capsid polypeptide VP 1 isolated by this procedure induced monospecific antibodies in rabbits, i.e., antisera reacting only with the homologous polypeptide. Our results demonstrate the applicability of the described copper staining method as a rapid visualization step for preparing viral proteins after SDS-PAGE.
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Tessmer et al. (1989) studied this question.
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