Spore Populations and COAs

  Mesa Labs supplies a Certificate of Analysis for our biological indicators detailing the specific attributes and resistance for that particular biological indicator configuration. The spore population on the Certificate of Analysis is reported as the heat shocked population per unit (biological indicator) with the exception of spore suspensions which are reported per 0.1mL. Each…

Custom BIs vs. Direct Inoculation

As more and more medical devices are developed, there is an ever increasing need to develop BIs that can be used to monitor the processes used to sterilize these intricate devices. If traditional BIs won’t work and these custom BIs aren’t created, the only alternative is to directly inoculate the devices and that presents a…

Mesa Experts Co-Author Pharmatech Article

Mesa expert’s co-author article on minimum incubation times for Biological Indicators Garrett Krushefski and Kurt McCauley of Mesa Biological Indicator division have co-authored an article featured on Pharmtech.com. This article focuses on proposed minimum incubation time for biological indicator grow out times. You can read the article in its entirety at the link below: http://bit.ly/1hni3rQ…

Chemical Indicators Benefits

Biological Indicators have proven themselves to be extremely valuable tools for verifying sterilization conditions within sterilization cycles over the several decades in which they have been utilized. As many would say, “The bugs don’t lie”.  And, what better way to test for the destruction of microorganisms that to test the cycle with highly resistant biological…

Positive BI in your VHP Process? Now what?

A customer recently contacted us detailing how positive biological indicators (BIs) were popping up in their Vapor Hydrogen Peroxide (VHP) process. The customer explained that they had no trouble with a square shaped room but when the configuration of the room changed (to an L-shaped room for example), they would experience unexpected positives. The positive…