by microbiologics | Sep 6, 2018 | Pharmaceutical
Performing growth promotion testing (GPT) on new batches of media is an essential task for all sterile and non-sterile pharmaceutical manufacturing laboratories. Your laboratory performs GPT regularly, but are you certain of what best practices auditors will look for...
by Stanley Staphylococcus | Aug 23, 2018 | Clinical, Food, Pharmaceutical, Water
Dear Stanley, When performing growth promotion with Microbiologics products, do you recommend testing in parallel with a previously approved media? The USP, EP, and JP don’t require testing in parallel. They only state “Test each batch of ready-prepared medium and...
by microbiologics | Jul 19, 2018 | Food
Audits are a fact of life for ISO 17025 food laboratories. Being prepared for an audit is important, but you may not know exactly what auditors are looking for when they review your microbial QC practices. We’ve compiled a list of general requirements food...
by microbiologics | Jun 28, 2018 | Clinical, Food, Pharmaceutical, Water
The growth promotion test (GPT) can be a hassle, but it’s necessary for determining if a new batch of media is acceptable. Follow our best practices below to make your testing process as smooth as possible when using Microbiologics products to perform GPT. 1. Test in...
by Stanley Staphylococcus | Jun 21, 2018 | Clinical, Food, Pharmaceutical, Water
Dear Stanley, I use EZ-Accu Shot™ for growth promotion testing (GPT), and sometimes I don’t get counts within 50-200% of the count printed on the label. Is there something wrong with my media or the control? Sincerely, Beverly Fresno, CA Dear Beverly, Great question!...
