contamination
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Tracing Contamination Back to Its Source in the Lab
Recurring contamination survives cleaning because cleaning is a guess. Outbreak investigation offers a method that narrows the source systematically.
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Blood Cultures and the Skin Contamination Problem
A blood culture that grows something is not the same as a bloodstream infection, and telling the two apart shapes days of treatment.
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Aseptic Technique: The Habits That Keep Cultures Clean
Aseptic technique is not a list of rules to memorise. It is airflow management and hand choreography, and once you see it that way the rules…
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Heavy Metals in Supplements and How Labs Find Them
Plants concentrate what the soil offers, and minerals are mined from rock. Both routes carry metals into supplements, which is why testing exists at all.
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Cell Culture Contamination and How Labs Catch It
The contaminations that ruin published work are the ones you cannot see. Bacteria announce themselves within a day; mycoplasma and misidentified lines do not.
