Enumeration & Confirmation of S.aureus

3M™ Petrifilm Staph Express Count Plates

Rapid Enumeration and Confirmation On One Plate

Staphylococcus aures

The 3M™ Petrifilm™ Staph Express System is used for the enumeration of DNase positive Staphylococcus species in the food and beverage industries. The system consists of a 3M™ Petrifilm™ Staph Express Count Plat and a 3M™ Petrifilm™ Staph Express Disk which are sold separately.


Plates are a sample-ready culture medium system which contains a cold-water soluble gelling agent. The chromogenic modified Baird-Parker medium in the plate is selective and differential for Staphylococcus aureus but may also indicate Staphylococcus hyicus or Staphylococcus intermedius. Red violet colonies are S.aureus, S.hyicus or S. intermedius. If background flora is present on the plate, the 3M™ Petrifilm™ Staph Express Disk may be used to identify S.aureus from all suspect colonies. 

  • Fast results in 24 hours
  • Express Disk helps confirm S.aureus colonies with a high background of flora
  • Proven cost effective tool for the detection of S.aureus

Staph aureus step 1 and step 2


3M Petrifilm Staph Express Count Plate Interpretation Guide

3M Petrifilm Staph Express Count Instruction

3M Petrifilm Environmental Monitoring Procedures

3M Petrifilm pH Adjustments

3M Petrifilm Brochure

3M Petrifilm Certification, Recognition and Validations

3M Petrifilm Reference Guide


Ordering Details: -

3M Petrifilm Staph Express Count Plate

  • 3M6490           Pack size: 50
  • 3M6491           Pack Size: 500


3M Petrifilm Staph Express Disk

  • 3M6492          Pack size: 20
  • 3M6493          Pack size: 100


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