An evaluation of three agents for eluting adsorbed enterovirus from millipore membrane filters

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Abstract
Several concentrations of yeast extract, beef extract, and fetal bovine serum were compared for ability to elute adsorbed coxsackievirus B5 and poliovirus 1 from HA cellulose nitrate Millipore membrane filters. Elution improved with increases in concentration of eluting agent and volume of eluent. The eluent of choice was undiluted fetal bovine serum because it was compatible with cells and showed a high degree of elution. A 5-ml serum eluate resulted in the recovery of 80–90% of the virus adsorbed by a filter from an infected buffered saline sample.

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