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Biological Indicator (BIs) contain high number, generally 103 – 106, of bacterial endospores that are highly resistant to the sterilization process for which they are designed. It is most accepted means of monitoring sterilization because they assess the sterilization process directly by killing known highly resistant microorganisms (e.g. Geobacillus or Bacillus species). Therefore, if they are destroyed during sterilization, it is assumed that all other life forms are also destroyed which indicates sterilization have taken place completely. TM offer Biological indicator in two forms - Strips or in pre-packaged vials (Ampoules). This biological indicator of sterilization success is a good one and should be done every time you autoclave.

Biological indicator provide the only direct way to measure how lethal a sterilization process was. BI’s are placed in a fully loaded sterilizer and processed with the load.

Product Code
Product Name
TBI 001
Bacillus atrophaeus 10*6
(formerly Bacillus subtilus) Gas & Dry Heat (ETO)
TBI 002
Bacillus pumilus 10*6
Radiation Sterilization
TBI 003
Geobacillus stearothermophilus 10*5
Steam Sterilization
TBI 004
Geobacillus stearothermophilus 10*6
Steam Sterilization
TBI 005
Geobacillus stearothermophilus 10*5 (Vol. 1ml)
Process-Steam Sterilization
TBI 006
Geobacillus stearothermophilus 10*6 (Vol. 2ml)
Steam Sterilization
TBI 007
Geobacillus stearothermophilus 10*6 (Vol. 0.4ml)
Steam Sterilization
TBI 008
Bacillus atrophaeus 10 * 6
Bacillus atrophaeus 106
TBI 009
Geobacillus stearothermophilus 10 * 5
Geobacillus stearothermophilus 10 5
TBI 010
Geobacillus stearothermophilus 10 * 6
Geobacillus stearothermophilus 10 6
TBI 011
Geobacillus sterothermophilus 10
TBIM 001
Culture media Ampoule with pH indicator
Culture Media for Spore Strips & Spore Coupons
TCI 011
Circular Indicator with Text (15mm)
TCI 012