The Pulsifier is a new alternative to paddle type blenders for sample preparation. The unit incorporates an oscillating ring as opposed to paddles. In most food types, pulsification has shown to be less destructive to the sample, producing lower concentrations of debris, which benefits the user in a number of ways. Certain inhibitory compounds can be released during mastication which can interfere with PCR and biochemical ID tests.

This will also produce less interference during plating, counting, pipetting and filtration of samples. The unit incorporates an oscillating ring which cycles at 3000 rpm. A 400 ml sample bag is placed onto this oscillating ring, producing a combination of shockwaves and intense stirring which drives the microbes into suspension. This method has been proven to recover organisms at the same rate as paddle type blenders.

• A high speed oscillating action creates shearing forces which release micro organisms from food samples with minimal disruption of the food sample matrix.
• The oscillating action virtually eliminates bag breakage’s, even with hard foods.
• Less suspended food debris allows easier pipetting and faster filtration. Ideal for use with Petrifilm®.
• Extensive international evaluations have demonstrated that bacterial counts are equivalent or superior to alternative methods.
• Reduced disruption of the food matrix minimises the release of factors capable of interfering with EIA, PCR and other rapid methods.
• Short operating cycle times, 15 seconds.

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