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Quantitative determination of enterococci in water using an alternative chromogenic method.

bilis esculina – Translation into English – examples Spanish | Reverso Context

For this purpose, several microorganisms are used as indicators of fecal contamination. Among them eculina enterococci, which are considered to be good indicators, since they survive for a longer time in adverse natural conditions. The samples were assayed in parallel with the two methodologies alternative and reference using the membrane filtration technique.

The following parameters were determined to evaluate the performance of the methods: The first three parameters were estimated for both methods before and after confirmation by biochemical testing. Results were analyzed statistically based on the main criteria defined by ISO standards and It escuoina also a simple, faster and economically feasible method.

  BERIO CIRCLES PDF

El cultivo puro de E. Los medios se prepararon de acuerdo a las instrucciones del fabricante. Los valores de pH y conductividad se muestran en la tabla 1. Se seleccionaron e identificaron 1 colonias diana y no diana procedentes de los medios alternativo y de referencia. Esos aislamientos fueron identificados como Aerococcus viridansStreptococcus spp.

El valor de kappa fue 0, Varios trabajos sugieren que Enterococcus y E. El procedimiento de referencia incluye una etapa presuntiva y una confirmativa, lo cual incrementa los costos de los controles de calidad del agua. Estudios previos plantean que E. Njie C, Duke M. Detection of Enterococcus species in groundwater from some rural communities in the Mmabatho area, South Africa: Afr J Microbiol Res. New perspectives in monitoring drinking water microbial quality.

New definite-substrate media for Enterococci detection in Nile water, Egypt. J Appl Sci Res. Enterococci in the environment. Microbiol Mol Biol Rev. US Environmental Protection Agency Rev Cubana Hig Epidemiol.

Bukh AS, Roslev P. Esdulina and validation of a chemiluminescent assay based on a 1,2-dioetane for bilks detection of enterococci in contaminated water and comparison with standard methods and qPCR.

Enzymatic substrates in microbiology. Cowan and Steel’s manual for the identification of medical bacteria. Cambridge University Press; The Firmicutes ; Analytical limits of three b-glucosidase-based commercial culture methods used in environmental microbiology, to detect enterococci.

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International Organization for Standardization, Geneva, Switzerland. Statistical validation criteria for drinking-water microbiological methods.

Bile esculin agar

Daoust RA, Litsky W. Pfizer selective enterococcus agar overlay method for the enumeration of faecal streptococci by membrane filtration. Faridpur Med Coll J.

Evaluation of media for escupina enumeration of faecal streptococci from natural water samples. Evaluation of Enterolert for enumeration of enterococci in recreational waters.

Identification and antimicrobial resistance of fecal Enterococci isolated in coastal Mediterranean environments of Morocco. Eur J Sci Res.

Translation of “bilis esculina” in English

Vanderzant C, Splittstoesser DF eds. Compendium of methods for the microbiological examination of foods. American Public Health Association; Numbers of enterococci in water, sewage, and feces determined by the membrane filter technique with an improved medium. A rapid, specific membrane filtration procedure for enumeration of enterococci in recreational waters. Development of glucosidase agar for the confirmation of water-borne enterococcus.