Food Micro

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…
Read more

Dear Stanley: Tips for Maintaining Fastidious Microorganisms

Dear Stanley, I’m having a tough time keeping my stock culture of Campylobacter viable. Do you have any tips for maintaining a stock culture of fastidious microorganisms like Campylobacter? Sincerely, Jordan from Mankato, MN Dear Jordan, Maintaining fastidious microorganisms, such…
Read more

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…
Read more

Dear Stanley: What is Mean Assay Value?

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…
Read more

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…
Read more

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…
Read more

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),…
Read more

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…
Read more

11 Pour Plate Method Best Practices

The pour plate method is an economical way for pharmaceutical, contract and even food laboratories to perform tests focused on a specific number of bacteria. The process may seem simple (melt, pipette, pour, swirl, incubate), but errors have been known…
Read more

7 Rules to Follow When Writing about Microorganisms

Recalling and pronouncing peculiar microorganism names is a skill every microbiologist has mastered. However, the intricate rules for writing about microorganisms may leave even experienced microbiologists second-guessing how to annotate or spell a strain name. Our quiz below will challenge…
Read more