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Growth Promotion Best Practices Auditors are Looking for in Pharmaceutical Labs

Growth Promotion Best Practices Auditors are Looking for in Pharmaceutical Labs

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...
8 Best Practices for Growth Promotion Testing

8 Best Practices for Growth Promotion Testing

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...
Dear Stanley: What is Mean Assay Value?

Dear Stanley: What is Mean Assay Value?

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!...
Non-Sterile Pharmaceuticals: Next Steps After Finding an Environmental Isolate

Non-Sterile Pharmaceuticals: Next Steps After Finding an Environmental Isolate

by microbiologics | Apr 12, 2018 | Pharmaceutical

You’ve identified an organism in your environment. Now what? If you work in a non-sterile pharmaceutical manufacturing laboratory, chances are you’ve encountered this question. You know environmental monitoring doesn’t stop at detection, but what are the correct next...
9 Tips for Growth Promotion Testing on Selective Media

9 Tips for Growth Promotion Testing on Selective Media

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...
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