Author Archive: microbiologics

Importance of Testing a Positive Control When Performing a Diagnostic Assay

Positive controls are critical for ensuring diagnostic accuracy. This post examines reasons why positive controls are necessary, even during emergency situations.

Dear Stanley: My products were exposed to temperatures outside the stated storage range, are they still usable?

Dear Stanley, The items from my recent order were shipped to me without an ice pack. The temperature here was almost 80°F when the product arrived. Can I still use the items or do I have to re-order? Franklin, Fort…
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2018 #CreepyCultures Winners

The votes are in! Our team had a tough time choosing only a few winners and honorable mentions out of all the unbelievably eerie agar art you submitted this year. Congratulations to the winners and honorable mentions, and thank you to…
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Put Your Best Plate Forward – #CreepyCultures is Back!

Our favorite time of the year is finally here – #CreepyCulture is back! You created some exceptionally eerie agar art in the past, and we can’t wait to see what you conjure up this year! Unleash your creative side and…
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Preservative Testing – Choice of Challenge Isolates

“What you see is that the most outstanding feature of life’s history is a constant domination by bacteria.” – Stephen J. Gould. Preservation capacity is a central element of consumer product quality.  Though necessary to any microbiological risk assessment, adequate…
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Growth Promotion Best Practices Auditors are Looking for in Pharmaceutical Labs

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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Take a Break with Our Sci-Fi Movie Trivia

It probably comes as no surprise that we think sci-fi is the best movie genre, especially when rogue viruses or genetic mutation are involved. We created our latest quiz with our fellow sci-fi connoisseurs in mind. Give it a go…
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9 Tips for Students Pursuing a Career in Microbiology

As a microbiology student, you have a passion for understanding the microscopic organisms that live on, in, and all around us. Even though you love your field of study, leaving school and starting your career can be intimidating. So, what…
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What Auditors are Looking for in Food Microbiology Labs

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…
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8 Best Practices for Growth Promotion Testing

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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