Latest Posts

How to Maintain Monthly Working Stock Cultures with Microbiologics QC Strains

Proper maintenance of quality control strains is essential for ensuring acceptable performance.  Most strains produced by Microbiologics can be used for up to a month after reconstitution when correctly maintained. Follow these best practices and our maintenance plan below to…
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Clinical Case File: Vaginitis

In a world where antibiotic resistant organisms are on the rise, including multi-drug resistant strains of N. gonorrhoeae, it’s more important than ever for clinicians and healthcare providers to provide proper and timely treatment for infections. Complex interactions exist between…
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Dear Stanley: Differences Between Atmospheres for Microorganism Growth

Dear Stanley, I want to make sure I’m using the right atmosphere to get good growth of my microorganisms. Can you explain the differences between aerobic, anaerobic, microaerophilic, and capnophilic atmospheres for microorganism growth? Beth from Salt Lake City, UT Dear…
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Neisseria gonorrhoeae: Combating a Multidrug-Resistant Organism

The global spread of antibiotic resistant sexually transmitted diseases (STD) has received increased attention over the past several years from health institutes including the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC). These organizations are…
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How Food Labs Protect Consumers from STECs

The ongoing Escherichia coli O157:H7 outbreak linked to romaine lettuce grown in the Yuma, Arizona, region has captured the attention of food manufacturers, retailers, and consumers throughout the United States. According to the Centers for Disease Control and Prevention (CDC),…
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The Basics of Water Testing Quality Control

The water testing laboratory is the last line of defense against water-borne infections. Accurate results are critical to consumer safety. A robust Quality Assurance/Quality Control program will give the laboratory confidence in its results. Laboratories need reliable positive and negative…
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Relax During #LabWeek with These 9 Stress Relievers

You love being a microbiologist. Your passion for understanding microorganisms and the impact they have on every aspect of life fuels your long days in the lab. We know all too well that a busy lab and finicky microorganisms can…
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Non-Sterile Pharmaceuticals: Next Steps After Finding an Environmental Isolate

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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Environmental Isolate Case File: Corynebacterium spp.

Everyone has heard of diphtheria, but this familiar infection caused by a Corynebacterium strain isn’t the only illness laboratories should be concerned about. Sterile manufacturing facilities should also be on the lookout for non-diphtherial Corynebacterium. These strains, commonly found in…
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Dear Stanley: 2018 CLSI M100 Updates

Dear Stanley, CLSI M100 was updated this year. What are some of the biggest changes and how do they impact QC in my lab? Ruth from Chicago, IL Dear Ruth, Great question! In 2018, there were many changes to CLSI…
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