Biological Indicators

Spore Strips - Spore Suspensions - Self Contained Biological Indicators - Industrial Use Biological Indicators - Chemical Indicators

Cherwell Laboratories is the UK distributor of biological indicators and chemical indicators for Raven Laboratories and Apex Laboratories, both divisions of Mesa Laboratories. The comprehensive range, suitable for sterilisation monitoring and validation includes a variety of biological indicators, such as spore strips and spore suspensions for use with conventional culture media, self-contained biological indicators and industrial use biological indicators. We offer biological indicators populated by several different species of spores such as Geobacillus stearothermophilus, Bacillus atrophaeus and Bacillus pumilis for applications including sterilisation by steam, dry heat, hydrogen peroxide vapour (H₂O₂), Ethelyne Oxide (EO), formaldehyde, Chlorine Dioxide (ClO₂) and gamma irradiation. We also offer Bowie Dick (air removal) tests intended to evaluate the performance of the air removal (vacuum) system of pre-vacuum equipped steam sterilisers.

Raven manufactures a variety of biological indicators for industrial and healthcare applications and is the ideal source for your sterilisation monitoring and validation needs. The Apex range consists of biological indicators specifically designed to meet the unique needs of the medical device and pharmaceutical industries who utilise hydrogen peroxide sterilisation.

For further information on our range of biological indicator products please contact our office or select one of the following options:

Spore Strips
A comprehensive range of spore strips for sterility testing in various sterilization environments for both healthcare and industrial applications

Spore Suspensions
Calibrated suspensions of bacterial spores for direct inoculation of products or preparing custom biological indicators for monitoring steam, ethylene oxide, dry heat, hydrogen peroxide, radiation and other industrial sterilisation processes.

Self-Contained Biological Indicators
A range of self-contained biological indicators used to validate and routinely monitor steam, ethylene oxide and dry heat sterilisation processes

Industrial Use Biological Indicators
A range of spore suspensions, discs and other speciality biological indicators designed specifically for development and validation studies by manufacturers

Chemical Indicators
A range of chemical indicators designed for healthcare and industrial users, available for a variety of processes including steam, ethylene oxide, gamma irradiation and dry-heat sterilisation. The range also includes Bowie Dick (air removal) tests intended to evaluate the performance of the air removal (vacuum) system of pre-vacuum equipped steam sterilisers. 

A dry-bath incubator is also available for use with an indicator in tryptone soy broth and self-contained biological indicators.

If you have a requirement for any of our biological indicator products please complete our biological indicators enquiry form or contact our office.