Informative.Awareness
These are toxicants that cause severe to moderately severe adverse effects on single exposure. The effects are oftentimes seen within hrs or few days after exposure.
Toxicology Macrocyclic lactones (macrolides) include 2 groups: avermectins and milbemycins, which were first isolated in 1975 from Streptomyces avermitilis isolated from the soil. Eight different structures were isolated and divided …
Read MoreToxicology • Applaud was not very toxic, irritating or caused skin sensitization following acute exposures in laboratory animals Clinical Manifestation • Depression (Env. Health & Toxicology, 2008) • Muscular in-coordination …
Read MoreToxicology • Most plants with anticholinergic properties are from the family Solanaceae, and can be identified from their characteristic flowers. The Solanaceae family is rich in alkaloids that can cause …
Read MoreToxicology • They are selective, stomach acting with some contact action (PPDB, 2015). • Nereistoxins were initially thought to produce a postsynaptic nicotinic acetylcholine receptor anatagonist activity which can lead …
Read MoreToxicology • Triazolopyrimidine herbicides include cloransulam-methyl, diclosulam, florasulam-methyl, flumetsulam, and metosulam • The acute oral toxicity is very low (US EPA, 1997;The veterinary Merck manual, 2014). • Cloransulam-methyl was shown …
Read MoreToxicology • Glycol Ether is a chemical used mainly in nail polish removers, products to treat leather, anti-icing agents and as an industrial solvent • Ethylene glycol is metabolised by …
Read MoreToxicology They are caustics as they cause damage on contact with tissue surfaces Caustic chemicals produce tissue injury by altering the ionized state and structure of molecules. In aqueous solutions, …
Read MoreToxicology • The acute toxicity profile of pyridaben is moderate to low (LD50 570-1350mg/kg) (Igarashi and Sakamoto, 1994) The mechanism of action is thought to be inhibition of electron transport …
Read MoreToxicology • Although the exact mechanism of toxicity is not elucidated, it is thought to inhibit the production of the enzyme chitin synthase during molting of immature stages of arthropods …
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