by Stanley Staphylococcus | Aug 23, 2018 | Clinical, Food, Pharmaceutical, Water
Dear Stanley, When performing growth promotion with Microbiologics products, do you recommend testing in parallel with a previously approved media? The USP, EP, and JP don’t require testing in parallel. They only state “Test each batch of ready-prepared medium and...
by Stanley Staphylococcus | Jul 12, 2018 | Clinical, Food, Pharmaceutical, Water
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...
by Stanley Staphylococcus | Jun 21, 2018 | Clinical, Food, Pharmaceutical, Water
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 Dear Beverly, Great question!...
by Stanley Staphylococcus | May 24, 2018 | Clinical, Food, Pharmaceutical, Water
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...
by Stanley Staphylococcus | Mar 22, 2018 | Clinical
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 M100 (Performance Standards for Antimicrobial...