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 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 Microbiologics | Mar 8, 2018 | Clinical, Food, Pharmaceutical, Water
The pour plate method is an economical way for pharmaceutical, contract and even food laboratories to perform tests focused on a specific number of bacteria. The process may seem simple (melt, pipette, pour, swirl, incubate), but errors have been known to occur....
by Laurie Kundrat | Dec 14, 2017 | Pharmaceutical
The U.S. Pharmacopeia (USP) created quite the challenge when it designed the growth promotion test (GPT) for selective media. Laboratories not only need to test new batches of media with less than 100 colony-forming units (CFU), the colonies must also grow on agars...