colony counter


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

colony counter

An apparatus for counting bacterial colonies in a culture plate.
See also: counter
References in periodicals archive ?
Number of the colonies was counted by the help of colony counter. Comparison of number of colonies was done by logarithm.
Colony counter (Fisher Scientific brand, model F22 0360/10R) used to measure the total colony forming units
The numbers of colonies were counted by means of a colony counter.
One ml portion of each dilution was pipetted into separate plates of Potato dextrose agar (g/L; Potatoes infusion 4.0, D(+) glucose 20.0, Agar 15.0, pH 6.8 +- 0.2) of Mikrobiologie, Germany with chloramphenicol Petri dishes were incubated in the dark at 22-25oC for 05 days and then colonies were recorded with the help of Colony Counter and result was expressed as colony forming units (CFUs/ml) as:
After incubation, revertant colonies were counted using colony counter. The percentage of inhibition of mutagenicity was calculated using the formula [([R.sub.1]-SR)-([R.sub.2]-SR)]/([R.sub.1]-SR) X 100 where [R.sub.1] is the number of revertants in presence of mutagen alone, [R.sub.2] is the number of revertants in presence of drug and SR is the spontaneous revertants.
Schleicher & Schuell GmbH, the filtration company, introduced a truly unique colony counter system that counts bacteria directly from membrane filter paper.
Culturing the bacteria in petri dishes and using a colony counter determined the amount of bacteria.
ProtoCOL RGB is a microbiological colony counter that can automatically differentiate and count colored colonies.
Tender notice number : Tender for automatic colony counter
Scan automatic colony counter software, version V4, provides automatic colony counting on all media and inhibition zones analysis.
Tenders are invited for purchase of digital colony counter for civil department
Synbiosis, a world-leading manufacturer of automated micro-biological systems, is pleased to introduce a revolutionary new software module for the ProtoCOL 3 automated colony counter. The addition of this unique software, makes Protocol 3 the world's first commercial automatic microbial identification and counter of colonies cultured on CHROMagar plates and means with minimal training, microbiologists can use the system to rapidly identify and enumerate all key clinical, water and food-borne pathogens.