News tagged with toxin

Related topics: cells , bacteria , infectious diseases , bacterium

Botox to improve smiles in children with facial paralysis

Injecting botulinum toxin A (known commercially as Botox) appears to be a safe procedure to improve smiles by restoring lip symmetry in children with facial paralysis, a condition they can be born with or acquire because ...

Mar 05, 2015
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Learning from scorpions to control impulses

Scorpions can teach us a lot about the benefits of prolonging nerve impulses, and we might now be better students thanks to a study published in The Journal of General Physiology. The results could pave t ...

Jan 26, 2015
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Ricin vaccine shows promise in pilot study

A recent study at the Tulane National Primate Research Center showed for the first time that an experimental vaccine could completely protect nonhuman primates exposed to deadly ricin toxin, a potential bioterrorism ...

Nov 06, 2014
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Toxin

A toxin (Greek: τοξικόν, toxikon) is a poisonous substance produced by living cells or organisms. (Although technically man is a living organism, man-made substances created by artificial processes usually aren't considered toxins by this definition.)

For a toxic substance not produced by living organisms, "toxicant" is the more appropriate term, and "toxics" is an acceptable plural.

Toxins can be small molecules, peptides, or proteins that are capable of causing disease on contact with or absorption by body tissues interacting with biological macromolecules such as enzymes or cellular receptors. Toxins vary greatly in their severity, ranging from usually minor and acute (as in a bee sting) to almost immediately deadly (as in botulinum toxin).

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