Search results
Results from the WOW.Com Content Network
These toxic elements are found naturally in the earth. They become concentrated as a result of human caused activities and can enter plant and animal (including human) tissues via inhalation, diet, and manual handling. Then, they can bind to and interfere with the functioning of vital cellular components.
Tantalite has the same mineral structure as columbite (Fe, Mn) (Ta, Nb) 2 O 6; when there is more tantalum than niobium it is called tantalite and when there is more niobium than tantalum is it called columbite (or niobite). The high density of tantalite and other tantalum containing minerals makes the use of gravitational separation the best ...
Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life.Some metals are toxic when they form poisonous soluble compounds. . Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain for
Exposure to osmium tetroxide (OsO 4) may cause permanent eye damage and can lead to respiratory failure [72] and death. [73] Indium salts are toxic if more than few milligrams are ingested and will affect the kidneys, liver, and heart. [74] Cisplatin (PtCl 2 (NH 3) 2), an important drug used to kill cancer cells, is also a kidney and nerve ...
That specific chemical compound is called perfluorooctanoic acid, or PFOA. Here's what you need to know. Sure, we've all said, "Eh, everything causes cancer," but the risks of PFOA are not over ...
Exposure to osmium tetroxide (OsO 4) may cause permanent eye damage and can lead to respiratory failure [91] and death. [92] Indium salts are toxic if more than few milligrams are ingested and will affect the kidneys, liver, and heart. [93] Cisplatin (PtCl 2 (NH 3) 2), an important drug used to kill cancer cells, is also a kidney and nerve ...
A person's immune system is able to fight off many diseases, but it tends to be ineffective against cancer because of a mechanism called immune tolerance, or the inability to identify "which cells ...
Tantalum pentoxide, also known as tantalum(V) oxide, is the inorganic compound with the formula Ta 2 O 5. It is a white solid that is insoluble in all solvents but is attacked by strong bases and hydrofluoric acid. Ta 2 O 5 is an inert material with a high refractive index and low absorption (i.e. colourless), which makes it useful for coatings ...