All contamination articles
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News
The curious incident of the catalytic amine that never was
A series of unfortunate events and a missed control experiment meant palladium sneaked its way into a supposedly amine-catalysed reaction
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Business
Sartan contaminant recall hits generics manufacturers
Three European suppliers recalling multiple batches of medicines owing to active ingredient contamination
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Opinion
Cleaning up chemical kitchens
In a busy plant, ensuring small changes don’t produce unforeseen toxic impurities is key
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Business
Nitrosamine contamination withdrawals spread to new drugs
After ranitidine recalls, EU regulators instruct companies to review all their products for potential impurities
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Sponsored
RSSL experts on the science behind food and pharma
Three scientists, whose contributions help world-leading brands and SMEs develop and supply innovative, safe products, share their experiences working in the labs of contract research company Reading Scientific Services Limited (RSSL)
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Sponsored
How possible contaminants are investigated
The analytical stages when a suspected issue is found in a product
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Business
Sartan drug contamination brings cancer uncertainty
Levels of nitrosamines and other carcinogens in affected tablets of valsartan and related drugs similar to smoking 20 cigarettes a day
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News
Warnings on counterfeit CBD vaping products with toxic contaminants
Cannabidiol vaping liquids and oils in the US found to be contaminated with psychoactive compounds linked to deadly overdoses
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Business
Residents sue Arkema over contamination
French chemical giant accused of releasing toxic chemicals from US plant in the wake of hurricane Harvey
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News
Millions of 'bad eggs' recalled in contamination scandal
Investigations into how chicken eggs across Europe came to contain fipronil are still ongoing
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Research
Electrochemistry cleans up when it comes to metal polluted seawater
Electrochemical technique can trap up to 24% of nickel in metal-rich seawater, in just seven days
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News
Cadmium and lead in costume jewellery prompt concern
Extremely high levels of toxic metals in children’s jewellery is causing alarm among US and Canadian scientists
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News
Low-cost sensors helped guard Disney artwork on China trip
Collaboration between researchers, Walt Disney and the Getty has yielded technology to protect artwork from pollution
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News
WHO urged to revisit drinking water guidelines
World Health Organisation’s guidelines for nine toxic elements are too lax and need to be re-evaluated, analysis suggests
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News
Neonicotinoids present in many US streams
Persistent but low-level contamination prompts calls for further research on aquatic impact of pesticides
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News
Environment agency accident releases toxic mine waste into US rivers
More than 11 million litres of metal-contaminated water from defunct Colorado mine enters major US waterways
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Research
Simple probe for heparin quality control
Fluorescent sensor could be developed into test for blood thinner dosage and adulteration
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Research
Regulators have drug firms chasing phantom impurity
Mutagenic contaminants that supposedly form in sulfonic acid salts are highly unlikely to arise
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News
Response to tainted US drinking water criticised
Scientific advice in the US is poor when it comes to responding to drinking water contamination