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When exposed to near ultraviolet light, such as in sunlight, alpha-terthienyl generates the toxic singlet oxygen. [3] Alpha-terthienyl results in damage to the respiratory, digestive and nervous system of larvae, resulting in 100% death rates in concentrations of 33 ppb. [4] This makes it an interesting natural insecticide.
Aluminium phosphide is a highly toxic inorganic compound with the chemical formula AlP, used as a wide band gap semiconductor and a fumigant.This colorless solid is generally sold as a grey-green-yellow powder due to the presence of impurities arising from hydrolysis and oxidation.
Pellets are small spherical to ovoid or rod-shaped grains that are common component of many limestones. They are typically 0.03 to 0.3 mm long and composed of carbonate mud ( micrite ). Their most common size is 0.04 to 0.08 mm. Pellets typically lack any internal structure and are remarkably uniform in size and shape in any single limestone ...
After ingestion, toxic features usually develop within a few minutes. The major lethal consequence of aluminium phosphide ingestion is profound circulatory collapse, and is reportedly secondary to these toxins generated, which lead due to direct effects on cardiomyocytes, [3] fluid loss, and adrenal gland damage. [4]
In March of 2021, the New York Times alleged mismanagement involving the Strategic National Stockpile, stating, "In one telling example, The Times found, the government approved a plan in 2015 to buy tens of millions of N95 respirators — lifesaving equipment for medical workers that has been in short supply because of Covid-19 — but the ...
A small town in eastern Ohio has been rocked by a train derailment that spilled a number of hazardous chemicals into the air and ground, forcing thousands of residents to evacuate and sparking ...
Enviva Inc. is the world's largest producer of wood pellets used for energy production. The company has been the subject of controversy regarding its sustainability with an environmental group's analysis suggesting Enviva is responsible for 50 acres a day of clear-cut land and significantly increased CO 2 production compared to coal per megawatt-hour.
Phycotoxins may prevent grazing by several mechanisms: grazer death, infertility, or deterrence. Some evidence of anti-grazing effects: Teegarden [4] found that three different species of copepods were able to distinguish between a saxitoxin-producing Alexandrium sp. and morphologically similar non-toxigenic Alexandrium sp. by chemosensory means.