Pharmaceutical Micro

Top 10 Custom Control Strains

Top Ten Custom Control Strains

Since we launched our Custom Solutions program for environmental isolates and objectionable organisms in 2011, the most common strains have remained remarkably consistent. Even as the customers we serve (and the products they manufacture) have become increasingly diversified, the top…
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The Challenges of Mycoplasma Testing for USP <63> Compliance


As the use of cell lines to produce biopharmaceuticals continues to increase, Mycoplasma testing is a growing quality control challenge. Because of its unique properties, Mycoplasma poses many challenges for detection and management. Mycoplasma contamination can spread quickly, yet common…
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2019 #CreepyCultures Winners

The 2019 #CreepyCultures results are in! It wasn’t easy choosing only a few winners and honorable mentions out of all the truly creepy agar art you submitted this year. Congratulations to the winners and honorable mentions, and thank you to…
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#CreepyCultures 2019 is Here!

Halloween is once again upon us and #CreepyCultures is back! Your intricate microbe illustrations left us in awe last year. We can’t wait to see what you conjure up for 2019! Unleash your creative side and send us your creepiest,…
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8 Aerobic Plate Count Best Practices

Several factors can influence the accuracy of aerobic plate counts used to estimate the number of microorganisms in food, cosmetic, pharmaceutical, and household products.  Below are a few best practices we recommend for achieving consistent and accurate counts. 1.  Ensure…
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9 Gram Staining Best Practices

Gram staining is an important procedure all microbiologists should master. A laboratorian performs a Gram stain for many reasons – from screening the quality of a sputum sample to rapid presumptive diagnosis of an illness like bacterial meningitis. How to…
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Tips for Choosing and Using Microorganisms for Education

In 2016, two biologists from Indiana University estimated that there are about a trillion species of bacteria on earth.1 With so many choices, how can a teacher select the best strains for her microbiology class? Below are a few tips…
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Growth Promotion Test Quiz

Microbiologics offers four unique QC microorganism products designed specifically for GPT that provide 10-100 CFU per 0.1 ml of hydrated suspension as required by USP guidelines. Learn more. Visit our website for helpful technical documents and instructional videos including a step-by-step tutorial on how…
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8 Antimicrobial Effectiveness Test (AET) Best Practices

What do taking two children, a dog and a cat on a cross-country road trip and performing the Antimicrobial Effectiveness Test (AET) have in common? They both require heaps of planning and an abundance of patience.  So, if the test is…
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