Latest Posts

5 Reasons to Avoid Maintaining Stock Cultures in Your Lab

Are you certain the reference stock cultures you use for quality control are identical to the reference cultures you originally purchased? A study performed by Cross, Russel and Desai examined working cultures from eight accredited microbial testing laboratories. Using fluorescent…
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The History of Influenza

Influenza has a long and sordid record of menacing humans.  Throughout the progression of science and the understanding of medicine, multiple instances of the flu have impacted various regions around the world. Some outbreaks have been more deadly and widespread…
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Our Top Posts from 2017

To say our writers were busy in 2017 is an understatement. We shared best practices for growth promotion testing on selective media, asked for your opinion on B. cepacia testing, and reminded you why microbiologists are the coolest people in…
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Dear Stanley: Tips for Performing QC on ETEST® Strips

Dear Stanley, We recently purchased your KWIK-STIK™ product to perform quality control on new lots of ETEST® strips. Do you have any tips for setting up and reading an ETEST®? Mike from Philadelphia, PA Dear Mike, KWIK-STIK is the perfect…
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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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15 Science Gifts Your Kids Will Love

Learning about science shouldn’t be confined to the classroom. Bring the lab home this holiday season with these fun and fascinating gifts for kids. 1. Microscopes and Slides Introduce your child to the wonderful world of microbiology with a microscope…
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Dear Stanley: Advice on Performing Dilutions

Dear Stanley, I recently purchased Epower™ from Microbiologics and need to dilute it to lower concentrations for my tests. Do you have any advice on how to perform dilutions? Sincerely, Pam from Cleveland, Ohio Dear Pam, Thank you for purchasing…
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Environmental Isolate Case File: Cronobacter sakazakii

Cronobacter sakazakii, formerly Enterobacter sakazakii, is a gram-negative bacterium that belongs to the Enterbacteriaceae family. It is found in the environment, commonly on plant and organic materials, and can survive very dry conditions. The bacterium has been isolated from dry…
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10 Interesting Facts about Drug-Resistant Tuberculosis

The largest recent outbreak of multidrug-resistant tuberculosis (MDR-TB) in the United States is currently unfolding in the Minnesota Hmong community. Many Hmong elders were resettled in the Twin Cities years ago after living in a Thai refugee camp where TB…
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8 Microorganisms that Changed the World

Microorganisms triggered many events that drastically altered human history. The most notorious microbes caused mass death and destruction, but they also inspired modern medical advances often taken for granted. The significant impact these tiny, invisible-to-the-naked-eye creatures can have on our…
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