Tag Archive: Growth Promotion Testing
microbiologics
September 6, 2018
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 when…
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microbiologics
June 28, 2018
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…
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Clinical Micro, Food Micro, Microbiology, Pharmaceutical Micro, Water Micro
Custom Solutions, environmental isolate, Environmental Monitoring, EZ-Accu Shot, GPT, Growth Promotion Testing, USP
Stanley Staphylococcus
June 21, 2018
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…
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microbiologics
April 12, 2018
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 steps to…
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Laurie Kundrat
December 14, 2017
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…
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Laurie Kundrat
June 22, 2017
Growth Promotion Test (GPT) – this combination of words might make you wince, but the test is essential for labs following pharmacopeia guidelines. GPT is more challenging than a qualitative or ecometric test. It is deemed successful if a small…
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