Microbiology

The Challenges of Mycoplasma Testing for USP <63> Compliance

Mycoplasma

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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Uses and Advantages of Synthetic RNA Process Controls for SARS-CoV-2 Assays

SARS-CoV-2 Virus

For a highly infectious virus like SARS-CoV-2, an inactivated whole virus control is the gold standard for accuracy. For labs that opt for other control formats, synthetic RNA controls can provide many of the same qualities as inactivated whole virus…
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Advantages of Whole Virus Controls for SARS-CoV-2 Quality Control

SARS-CoV-2

The COVID-19 pandemic has put increasing pressure on front-line healthcare workers to deliver fast and accurate test results. For any clinical diagnostic testing, laboratory professionals need assurance that sample preparation methods, as well as the instrumentation used to complete testing,…
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#CreepyCultures Agar Art Contest – 2020 Edition

Creepy Cultures

It’s 2020 and what a year it has been! It also marks the five-year anniversary of our annual Halloween-themed agar art contest known as #CreepyCultures. We’re looking forward to this year’s competition even more than previous years, in hopes that…
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Legionella Testing of Water Systems is Crucial as Schools Reopen

Water Testing in Schools

We’re in the midst of the COVID-19 global pandemic and now back-to-school time is upon us. For some that means resuming in-person learning, whether it be full or part-time. Parents, students and school staff are all feeling a mixture of…
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COVID-19 and Proficiency Testing

Proficiency Testing

I think by now it is safe to say that we are truly living in unprecedented times with the current Coronavirus pandemic. The majority of us have never experienced anything even remotely similar to this in our lives before. If…
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SARS-C0V-2 Tests & Their Targets

SARS-CoV-2 Gene Targets

By Marylou Gibson, Ph.D Adapted from a post that originally appeared on LinkedIn. Of the more than 55 RT-PCR Test kits or assays currently available under Emergency Use Authorizations (EUA) by the FDA, few target the same genes. Many more…
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Importance of Testing a Positive Control When Performing a Diagnostic Assay

Positive controls are critical for ensuring diagnostic accuracy. This post examines reasons why positive controls are necessary, even during emergency situations.