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Toxicity

News Toxicity

  • Preventing lead spread

    While lead pipes were banned decades ago, they still supply millions of American households daily with drinking water amid risks of corrosion and leaching that can cause developmental and neurological effects in young children. One common abatement: Dig up old lead lines and replace a portion of the more

  • Fluorescence method detects mercury contamination in fish

    Researchers from the University of Burgos (Spain) have developed a fluorescent polymer that lights up in contact with mercury that may be present in fish. High levels of the metal were detected in samples of swordfish and tuna. According to the conclusions of another Spanish study, mercury exposure more

  • Silver nanoparticle concentration too low to be harmful in water supply

    Silver nanoparticles have a wide array of uses, one of which is to treat drinking water for harmful bacteria and viruses. But do silver nanoparticles also kill off potentially beneficial bacteria or cause other harmful effects to water-based ecosystems? A new paper from a team of University of Misso more

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Infographics Toxicity

The Chemistry of Poisons

This graphic is the first in a planned series looking at the effects and chemistry of a range of different poisons. As such, it seemed appropriate to start with one of the most well known poisons: arsenic. Arsenic has been used by poisoners for centuries, primarily in the form of white arsenic, or a more

The Chemistry of Deodorants vs. Antiperspirants

Deodorants and antiperspirants are products that the majority of us make use of everyday. The two terms aren’t interchangeable, however; there is a difference in the manner in which they act to reduce body odour. Today’s graphic is a collaboration with ACS Reactions looking at the chemical compounds more

The Chemistry of Poisons

Having already looked at arsenic and cyanide in the previous instalments in this series, our attention turns to thallium, another famed poison. Thallium perhaps doesn’t share quite the same profile as arsenic and cyanide, but despite this it’s perhaps an even more effective compound in poisonings. T more

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Events Toxicity

Conference
08-06 – 09-06
2017
Cologne, DE

2nd International Fresenius MIXTOX Conference "Toxicity of Chemical Mixtures: Risk, Hazard and Exposure Assessment"

This conference is aimed at those with responsibility for or involved in the toxicological and ecotoxicological risk assessment and regulation of chemical mixtures (cosmetics, biocides, pesticides and chemicals under REACH). Who do you meet? Professionals working in the fields of Ecotoxicology/En

Webinar
On-Demand

Top 10 Citations Using the Zetasizer Nano

What are your peers working on with their Zetasizer? These Top 10 cited papers give current trends & applications of dynamic and electrophoretic light scattering. They include research on siRNA, nanoparticle toxicity, chitosan & copolymers

Webinar
On-Demand

Rapid Optimization and Control of Solids Flocculation

This presentation reviews the application of in situ process analytical technologies (PAT) to optimize and control the flocculation process. Several case studies are discussed including: Biotech cell and cell debris separations Pulp and paper yield, retention, and product quality Waste water settlin

q&more articles Toxicity

  • The Right Dose

    Although acute toxicity studies in animals are an indispensable prerequisite for the ­realisation of clinical trials in humans, these can only be projected to humans to a limited extent, and thus are scientifically problematic and ethically questionable. Therefore, the international regulatory authorities increasingly recommend the use of alternative in vitro methods in the framework of safety studies in accordance with the ”3R Principle“ (Replacement, Reduction, Refinement). more

Definition

Oxygen toxicity

Oxygen toxicity Oxygen toxicity or oxygen toxicity syndrome (also known as the "Paul Bert effect") is severe hyperoxia caused by breathing oxygen at elevated partial pressure s. The high concentration of oxygen damages cell s. The precise mec ... more

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