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OMNICON Zone Reader – European Pharmacopeia / British Pharmacopeia
Antibiotic Potency Testing

Visit OmniconZoneReader.com for a dedicated site to Antibiotic Potency Testing

| OMNICON Zone Reader | USP/CFR/AOAC Antibiotic Method |
| EP/EP Antibiotic Method | JP Antibiotic Method |

The OMNICON EP/BP Zones of Inhibition software performs all calculations in accordance to the procedures defined in the European Pharmacopeia / British Pharmacopeia Methods, sometime referred to as the BE/EP or 3+3 Method. The software allows the Analyst to specify a minimum of 4 plates and maximum of 10 plates per assay, defines the concentration of the standards and preparations, and the assumed potency.

Once the zone diameters are measured, all the calculations are performed and the data presented in the "Independent Assay" report. The Analyst also has the ability to generate a "Combination Analysis" report by selecting Independent assay previously analyzed.

Plate Reading

The OMNICON Zones Reader reads each 100 mm petri dish with 6 zones in less than 3/10th of a second, measuring the diameter and shape of the zone. The shape value is used to exclude zones which are oval due to spills or irregular growth.

21 CFR, Part 11, Electronic Records and Signatures

The OMNICON Zones Reader is compliant, providing three levels of security, audit trails and data encryption.

Assay Layout

  Zones of Inhabition Petri Dish  
  6 zones per plate

Standard Concentrations
S1, S2 and S3

P1, P2 and P3


United States Pharmacopeia (USP)
US-FDA Code of Federal Regulations (CFR)
Association of Analytical Communities (AOAC International)
British Pharmacopeia (BP)
European Pharmacopoeia (EP)
Society of Japanese Pharmacopeia (JP)

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OMNICON is a registered trademark of BioLogics, Inc

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BioLogics manufactures the OMNICON Antibiotic Potency Testing systems and Ultrasonic Homogenizers.

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Ultrasonic Homogenizers are also referred to as Sonicators, Cell Disruptors, Sonifiers®, and Sonic Dismembrators

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