toxicity

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toxicity

[täk′sis·əd·ē]
(pharmacology)
The quality of being toxic.
The kind and amount of poison or toxin produced by a microorganism, or possessed by a chemical substance not of biological origin.
References in periodicals archive ?
During the chronic toxicity study according to the fertility parameter the greatest inhibition of fertility is observed for 27-D compound in constant and single seeding conditions (Figure 1, Figure 2).
As far as we know this is the first study to characterise the acute and chronic toxicity of the herb in mice.
Eighteen of 196 (9%) total dry weather samples exhibited chronic toxicity during this study (Table 4).
This is clearly the case for acute toxicity, but the issue becomes murky when we deal with chronic toxicity, which may manifest itself in subtle effects.
Years ago, Professor DG Steyn, professor of pharmacology at the University of Pretoria, pointed out that, "Fluoride is the most dangerous poison from the chronic toxicity point of view, and it might take 40 years or more before its toxic effects may be discernible.
Today, pesticide manufacturers usually want their products to have a high acute toxicity and low chronic toxicity.
Microtox toxicity was consistently eliminated from both effluents, whereas chronic toxicity to algae was reduced but not removed during treatment.
Chronic toxicity can occur after ingestion of large quantities of Vitamin A for protracted periods.
Furthermore, the hormone from the plant has the potency to increase body weight and it may cause chronic toxicity, Vichai said.
Indeed, they may be the most hazardous of all food contaminants in terms of chronic toxicity and legislative limits on their levels in food and feed continue to be developed worldwide.
The City is seeking proposals from qualified analytical laboratories for conducting Whole Effluent Chronic Toxicity tests on our Final Effluent using Pimephales promelas (Fathead minnow).
TOORAK, Australia, April 1, 2014 /PRNewswire/ -- Antisense Therapeutics Limited ("ANP" or the "Company") is pleased to advise that results from a chronic toxicity study in monkeys indicate that ATL1102, an antisense oligonucleotide currently under development for the treatment of multiple sclerosis (MS), was well-tolerated when given subcutaneously for a 6-month dosing period at the 2 dose levels tested (1.
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