Color Bacterial Colony Counter

A colony-counter system provides rapid, color bacterial colony screening without the cost of purchasing color-differentiated counting systems.

The Color QCount unit incorporates a high-resolution, digital charged-coupled device (CCD) camera and advanced software to identify and colorize even the most-difficult bacterial strains to count, such as Streptococcus pneumoniae and Listeria species. Other instrument features include innovative lighting configuration that assures uniform illumination and enhanced colony contrast, and patented advanced image analysis that detects colonies by examining subtle shifts in colony or cluster tone.

Autothresholding software automatically determines the threshold of agar background color, while editing capability saves each plate image in a database for printing or re-analysis. Color QCount is the product of Spiral Biotech (Norwood, MA, USA), a subsidiary of Advanced Instruments, Inc.

"This high-performance, high-throughput instrument is ideally suited for food-testing laboratories counting Escherichia coli and Listeria, and for pharmaceutical labs detecting Strep pneumo on blood agar,” noted Anthony Pappas, product manager, Spiral Biotech. ‘With total plate analysis time, including overlapping colony clusters, of less than one second, a laboratory can easily process and count up to 400 plates per hour.”




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