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Rapid detection by transmission electron microscopy of mycoplasma contamination in sera and cell cultures

DOI: 10.1590/S0074-02761988000100009

Keywords: mycoplasmas, negative contrast, rapid method, sera and cell contamination.

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transmission electon microscopy has been employed for the rapid detection of mycoplasma in sera and cell cultures. high speed centrifugation of sera or low speed centrifugation of cell debris, followed by negative staining of the resuspended pellet, detected mycoplasma contamination more frequently than a culture method followed by direct fluorescence (dapi), which was used as a control procedure. the appearance of the mycoplasma cell border and content gives some information about particle viability.


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