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- W2051239228 abstract "We have analyzed frozen and fresh specimens for herpes simplex virus (HSV) to determine the effect of sonication and centrifugation on virus recovery. After sonication, titers of 24/27 specimens increased from 1.3-30.8-fold with a mean increase of 6.8-fold. One hundred seventy-four fresh specimens were inoculated before and after sonication into CV-1 tube cultures. There was not a statistically significant difference in time to positivity between the sonicated and unsonicated portions. Thus, although sonication of specimens can sharply increase the viral titer of positive specimens, sonication of fresh specimens does not significantly enhance the isolation of HSV. To determine the effect of centrifugation of clinical specimens on recovery of HSV, thirty-one culture positive frozen specimens were centrifuged, and the supernatants and resuspended sonicated pellets were titered. Twenty-five specimens had sufficient recoverable virus to titer; in 21/25 (87.5%) specimens the titers were reduced in the supernatants after centrifugation (mean reduction 38%; range of 4-92%). Two of 31 (7%) supernatants were negative in culture while the sonicated pellets were positive. Thus, centrifugation of specimens prior to cell inoculation may compromise recovery of HSV." @default.
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- W2051239228 date "1988-11-01" @default.
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- W2051239228 title "Effects of sonication and centrifugation of clinical specimens on the recovery of herpes simplex virus" @default.
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- W2051239228 doi "https://doi.org/10.1016/0732-8893(88)90015-6" @default.
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