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. 1979 Aug;38(2):314–322. doi: 10.1128/aem.38.2.314-322.1979

pH modification of the effects of detergents on the stability of enteric viruses.

R L Ward, C S Ashley
PMCID: PMC243483  PMID: 42351

Abstract

The effect of detergents on the stability of enteric viruses was found to be highly dependent on pH. This was demonstrated primarily with two ionic detergents, sodium dodecyl sulfate (an anionic detergent) and dodecyltrimethylammonium chloride (a cationic detergent). Both detergents were shown to be potent virucidal agents for reovirus, but the effects of sodium dodecyl sulfate were minimal near neutrality and much more pronounced at low than at high pH values. Dodecyltrimethylammonium chloride was extremely virucidal at high pH's but had little observable effect on reovirus stability at low pH values. In contrast, both detergents protected enteroviruses against heat at neutral and alkaline pH's. However, as was found with reovirus, sodium dodecyl sulfate was extremely virucidal at pH values below 5, even when the virus samples were incubated in ice. At different pH's the effects of detergents on the stabilities of coliphages T4, f1, and Q beta were qualitatively similar to those found with reovirus. Differences in viral stability in these experiments appeared to be due to the effects of pH on the ionic states of the viral capsid proteins.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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