Toxic Metals. Elements shown in bold outline are known to be essential for human metabolism. About 1/3 of all known enzymes require the presence of a metal ion for them to exhibit biochemical activity. Toxic metals.
Elements shown in bold outline are known to be essential for human metabolism.
Lewis acid is a species that can form a covalent bond by accepting an electron pair from another species.
Lewis base is a species that can form a covalent bond by donating an electron pair to another species
Cystein residues provide structurally important cross-linking sites through formation of disulfide bridges. Heavy metals interfere with formation of such bridges.
Hg used as cathode for collecting metallic Na
Lake acidification would increase mecury toxification.
Cd intake by human beings is mainly through food crops which take up Cd from Cd-laden soils.
Jinzu vally, Japan Ouch-ouch disease, irrigation water from a river contaminated with waste water from a zinc mining and smelting plant
An Ouch-ouch disease victim
Food and direct ingestion of dust account for most of the average lead intake by human beings.