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The storage life of biological reagents used in the fluorescent antibody test for rabies

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Summary

Three systems of storing fluorescein-conjugated antirabies globulin and mouse brain suspensions were investigated to find their effect on the reliability of the fluorescent antibody test for rabies. Premixed conjugate and mouse brain suspension, dispensed in test aliquots and maintained at −20°C until required, gave the most consistent results. After 9 months' storage the reagents gave a satisfactory test with known positive smears.

Résumé

Trois méthodes de conservation des globulines antirabiques conjugées à la fluorescéine et des suspensions de cerveaux de souris ont été étudiées afin de déterminer leur effet sur la sûreté du diagnostic de la rage par les anticorps fluorescents. Les résultats les plus fidèles ont été obtenus avec des mélanges preparés à l'avance de conjugé et de suspension de cerveaux de souris, distribués en quantités aliquotes et conservés à −20°C jusqu'à leur emploi. Après 9 mois de conservation, ces réactifs donnent des résultats satisfaisants sur des préparations témoins positives.

Sumario

Se investigaron tres sistemas de almacenamiento para globulina antirrábica conjugada con fluoresceina y para suspensiones de cerebro de ratón con el propósito de hallar el efecto que estos tienen sobre la prueba de los anticuerpos fluorescentes en rabia. El conjugado pre-mezclado y la suspensión de cerebro de ratón dispensados en cantidades alícuotas y mantenidas a −20°C hasta ser utilizadas, dieron los mejores resultados. Despues de 9 meses de almacenamiento los reactivos dieron una prueba satisfactoria con froticez positivos conocidos.

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References

  • Goldwasser, R. A., Kemron, A. &Nobel, T. A. (1961). ‘Fluorescent antibody in the diagnosis of rabies’,Refuah Veterinarith,18, 212–208.

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Markson, L.M., Upcott, D.H. The storage life of biological reagents used in the fluorescent antibody test for rabies. Trop Anim Health Prod 3, 86–88 (1971). https://doi.org/10.1007/BF02356481

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  • DOI: https://doi.org/10.1007/BF02356481

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