Tag Archive: GPT

9 Tips for Growth Promotion Testing on Selective Media

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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7 Reasons Why Your Lab Should Perform Growth Promotion Testing

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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Our Top Posts of 2016

2016 was an exciting year for the Microbiologics Blog. We celebrated our first birthday, got into the spirit of the Olympics, and asked why you love working in a lab. Take a break and learn something new while you catch…
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