Search results
Results from the WOW.Com Content Network
Nitric oxide sensing in plants is mediated by the N-end rule of proteolysis [61] [62] and controls abiotic stress responses such as flooding-induced hypoxia, [63] salt and drought stress. [64] [65] [66] Nitric oxide interactions have been found within signaling pathways of plant hormones such as auxin, [67] ethylene, [63] [68] [69] Abscisic ...
Metals in medicine are used in organic systems for diagnostic and treatment purposes. [1] Inorganic elements are also essential for organic life as cofactors in enzymes called metalloproteins. When metals are under or over-abundant in the body, equilibrium must be returned to its natural state via interventional and natural methods.
Titanium's ability to withstand the harsh bodily environment is a result of the protective oxide film that forms naturally in the presence of oxygen. The oxide film is strongly adhered, insoluble, and chemically impermeable, preventing reactions between the metal and the surrounding environment. [citation needed]
Carbon monoxide is a strong reductive agent and has been used in pyrometallurgy to reduce metals from ores since ancient times. Carbon monoxide strips oxygen off metal oxides, reducing them to pure metal in high temperatures, forming carbon dioxide in the process. Carbon monoxide is not usually supplied as is, in the gaseous phase, in the ...
Recently, complementary–metal–oxide semiconductor (CMOS)-compatible 150-nm-diameter interconnects with a single CNT–contact hole resistance of 2.8 kOhm were demonstrated on full 200 mm-diameter wafers. Also, as a replacement for solder bumps, CNTs can function both as electrical leads and heat dissipaters for use in high-power amplifiers.
Sodium is a metal where humans have discovered a great deal of its total roles in the body as well as being one of the only two alkali metals that play a major role in the bodily functions. It plays an important role in maintenance of the cell membrane potential and the electrochemical gradient in the body via the sodium-potassium pump and ...
The medical uses of silver include its use in wound dressings, creams, and as an antibiotic coating on medical devices. [ 2 ] [ 3 ] [ 4 ] Wound dressings containing silver sulfadiazine or silver nanomaterials may be used to treat external infections.
Aluminium oxide is used for its hardness and strength. Its naturally occurring form, corundum, is a 9 on the Mohs scale of mineral hardness (just below diamond). It is widely used as an abrasive, including as a much less expensive substitute for industrial diamond. Many types of sandpaper use aluminium oxide crystals.