Retention of Fluorescent Antigenicity of Virus-Infected Cells on Spotslides under Various Conditions of Storage
ARMY MEDICAL RESEARCH INST OF INFECTIOUS DISEASES FORT DETRICK MD
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Ten well, epoxy-coated spotslides containing arbo- and arenavirus-infected cells were tested as determined by fluorescent methods for the retention of antigenicity after storage in a nitrogen atmosphere at various temperatures and times. In most cases antigen stability was maintained at -70 or -20 deg C for periods exceeding 1-3 years. Antigen deterioration was greatest at ambient temperature, and less so at 4 deg C.