plate count


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plate count

a method of determining the number of ORGANISMS in a sample by counting the number of colonies or colony-forming units growing on a solid MEDIUM. See also DILUTION PLATING, POUR PLATE METHOD, VIABLE CELL COUNT.
References in periodicals archive ?
Bacterial Count: Total plate count was carried out by using method of Cunningham et al.
For microbiological analysis, TPC of the samples was evaluated by plate count agar (Merck, Germany); then they were incubated at 37[degrees]C for 72 hours.
Total plate count: Total plate count (TPC) indicates the level of microorganisms in a product [14].
10,11) Determination of the numbers and types of bacteria [including heterotrophic plate count bacteria (HPCs) and fecal indicators such as total coliforms and Escherichia coli] that occur on the variety of surface types present in the dental setting will provide useful information as to the general areas that might also serve as reservoirs for pathogenic microorganisms.
and heterotrophic plate count bacteria from water used in dental water lines.
Total plate count was determined by the procedure of Yousaf and Calstrom (2003).
A few of those surveyed also used other media such as Nutrient Agar/Broth, MacConkey, Tryptone Yeast Glucose (TYG), Plate Count Agar (PCA), Tryptone Glucose Extract (TGE), Brain Heart Infusion, Middlebrook and Synthetic Broth.
Aerobic plate counts (APC) and psychrotrophs were performed using standard plate count agar (PCA; Difco, Becton Dickson, Sparks, MD, USA).
A collection of six samples of the uterine sound instrument in three Health Centers were made, and these samples were cultured and tested for aerobic plate count through pour plate method.
It has an excellent agreement with cultural plate count methods and has a huge dynamic range of 110,000 bacteria in a single test device such that it can be used for presence/absence test or enumeration purposes.
0A-107 and the average total coliform plate count cfu per gram (n = 3) was 3.
Serial dilutions are also used in microbiology when initial concentrations of bacteria are orders of magnitude too high to perform a plate count.