Pharmaceutical Micro

Cosmetics Quiz: What’s Lurking in Your Makeup Bag?

Your favorite eye shadow has been discontinued by the manufacturer. You’ve managed to extend the life of your palette for three years, but at what cost? Have you thought about the wide array of microbial growth that could be hiding in…
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Environmental Isolate Case File: Cladosporium cladosporioides

Cladosporium cladosporioides, although generally nonpathogenic, can cause illness. This species, along with Exserohilum rostratum and Aspergillus fumigatus, was one of the pathogens isolated during a multistate outbreak of fungal meningitis due to contaminated sterile medication manufactured by the New England Compounding…
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7 Reasons Why Your Lab Should Perform Growth Promotion Testing

Growth Promotion Test (GPT) – this combination of words might make you wince, but the test is essential for labs following pharmacopeia guidelines. GPT is more challenging than a qualitative or ecometric test. It is deemed successful if a small…
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The Great Debate Over B. cepacia Testing: Your Opinions and FDA Recommendations

Last month we outlined the debate for and against requiring B. cepacia testing for all nonsterile pharmaceutical, personal care products and water systems (The Great Debate Over B. cepacia Testing). At the end of the post, we asked our readers…
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The Great Debate Over B. cepacia Testing

To test, or not to test – that is the question. A frequent reason for recalls of nonsterile products is contamination with Burkholderia cepacia, a microorganism capable of causing serious illness in patients with impaired immune systems or chronic lung…
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Environmental Isolate Case File: Pluralibacter gergoviae

Pluralibacter gergoviae can cause big headaches in cosmetic industry laboratories. It is an opportunistic pathogen that has repeatedly been isolated from personal care products. Recently, 15,000 tubes of a popular skin cream product were recalled due to contamination with the…
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Books for Microbiologists and Anyone Who Loves Science

“It is what you read when you don’t have to that determines what you will be when you can’t help it.”  – Oscar Wilde Microbiologists have an insatiable thirst for knowledge. Keep learning after you leave the lab by reading…
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Get the Facts on Antibiotic Resistance: 18 Helpful Resources

For years, health organizations including the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) have warned that antibiotic resistance is a major global threat. The Review on Antimicrobial Resistance  estimates that at least 700,000 people…
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Preservative Testing – Choice of Challenge Isolates

“What you see is that the most outstanding feature of life’s history is a constant domination by bacteria.” ~ Stephen Jay Gould. An effective preservative capability is a central element of drug, cosmetic and household and institutional product microbiological risk assessment…
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Environmental Isolate Case Files: Serratia marcescens

In 1950, a United States Navy ship spent six days spraying Serratia marcescens into the air two miles off the coast of San Francisco. The spraying was part of a biological weapon test called Operation Sea Spray. Prior to the…
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