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Toxicity

News Toxicity

  • Chemicals in the environment: A focus on mixtures

    In the past, it was sufficient to identify individual chemicals as the cause of detrimental effects on humans and the environment. But in the meantime, it has become apparent that this approach falls short of the mark. This is because the real world is marked by multiple stressors, among them cockta more

  • More efficient risk assessment for nanomaterials

    Nanotechnology is booming, but risk assessment for these tiny particles is a laborious process that presents significant challenges to the German Federal Institute for Risk Assessment (BfR). To find more efficient test methods, researchers at the Helmholtz Centre for Environmental Research (UFZ) in more

  • ECETOC Task Force provides new insights

    A Task Force set up by the European Centre for Ecotoxicology and Toxicology of Chemicals (ECETOC) has provided new insights into scientific testing for the impact of undissolved particles in the aquatic environment. ECETOC launched the Task Force in response to increasing concerns among the scientif more

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Videos Toxicity

Nano-enabled chemotheraphy for pancreatic cancer with improved safety and efficacy

Authors Huan Meng and Xiangsheng Liu describe the custom-designing of a mesoporous silica nanoparticle (MSNP) platform to reduce the toxicity of irinotecan, a drug included in the four-drug regimen FOLFIRINOX, to treat pancreatic ductal adenocarcinoma (PDAC). more

Bacteria Found to Produce Compounds Toxic to Humans

A Scripps Oceanography-led research team discovered for the first time that a common marine sponge hosts bacteria that specialize in the production of toxic compounds nearly identical to man-made fire retardants. more

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Infographics Toxicity

Natural vs. Man-Made Chemicals

The term ‘chemophobia’ has been used on social media amongst chemists with increasing regularity over the past year. Defined as ‘a fear of chemicals’, more specifically it refers to the growing tendency for the public to be suspicious and critical of the presence of any man-made (synthetic) chemical more

Lethal Doses of Water, Caffeine and Alcohol

Today’s graphic is a whimsical look at lethal doses of chemicals we consume on a regular basis. Whilst it may be more common to view chemicals in a black and white framing of ‘toxic’ or ‘non-toxic’, the reality is more of a sliding scale of toxicity. The admission of too much of any chemical into th more

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

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Definition

Toxicity

Toxicity Toxicity is the degree to which something is able to produce illness or damage to an exposed organism. Toxicity can refer to the effect on a whole organism , such as a human or a bacterium or a plant, or to a substructure, such as ... more

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