Medicine silver

The photographic film industry accounts for about one-third of the world s consumption of silver. It is also used in making jewelry, silverware, artwork, mirrors, electrical and electronic contact points, and high-capacity Ag Zn and Ag-Cd batteries. The metal and its compounds are useful as catalysts in organic synthesis. In medicine, silver sulfadiazine is effective for the treatment of bums. 

The metal nanoparticles have potential uses in technological and biomedical applications in particular silver ones are widely used due to their well-known antibacterial effects. In medicine silver nanoparticle (Ag-NPs) have found application as wound dressings, surgical instruments and bone substitute biomaterials [65]. 

Hydantoin itself can be detected ia small concentrations ia the presence of other NH-containing compounds by paper chromatography followed by detection with a mercury acetate—diphenylcarba2one spray reagent. A variety of analytical reactions has been developed for 5,5-disubstituted hydantoias, due to their medicinal iaterest. These reactions are best exemplified by reference to the assays used for 5,5-diphenylhydantoiQ (73—78), most of which are based on their cycHc ureide stmcture. Identity tests iaclude the foUowiag (/) the Zwikker reaction, consisting of the formation of a colored complex on treatment with cobalt(II) salts ia the presence of an amine (2) formation of colored copper complexes and (3) precipitation on addition of silver(I) species, due to formation of iasoluble salts at N. ... 

Salts. Rochelle salt is used in the silvering of mirrors. Its properties of piezoelectricity make it valuable in electric oscillators. Medicinally, it is an ingredient of mild saline cathartic preparations, eg, compound effervescing powder. In food, it can be used as an emulsifying agent in the manufacture of process cheese. 

Some elements found in body tissues have no apparent physiological role, but have not been shown to be toxic. Examples are mbidium, strontium, titanium, niobium, germanium, and lanthanum. Other elements are toxic when found in greater than trace amounts, and sometimes in trace amounts. These latter elements include arsenic, mercury, lead, cadmium, silver, zirconium, beryUium, and thallium. Numerous other elements are used in medicine in nonnutrient roles. These include lithium, bismuth, antimony, bromine, platinum, and gold (Eig. 1). The interactions of mineral nutrients with... 

Silver compounds, available from commercial suppHers, are expensive. Reagent grades of sHver(I) carbonate, cyanide, diethjldithiocarbamate, iodate, nitrate, oxide, phosphate, and sulfate are available. Standardized solutions of silver nitrate are also available for analytical uses. Purified grades of sHver(I) acetate, bromide, cyanide, and iodide can be purchased silver nitrate is also made as a USP XX grade for medicinal uses (6). 

Medicinal Preparations. Silver nitrate is used in medicine in the form of a stick, usually containing 1—3% silver chloride, or in solutions of varying concentrations. Uses of silver in medicine as of the 1990s are much reduced from earlier in the twentieth century because of the availabiHty of a... 

On a smaller scale, the largest producer of iodine is Japan where it is extracted from. seaweed containing more than 0.05 parts per million. The most important industrial iodine compound is silver iodide used with silver bromide in photography. Iodine is important in medicine for treating thyroid problems by adding it to table salt. It is used directly as a disinfectant, and a component of d vs. Crystalline silver iodide is used for cloud seeding. 

Catsakis, L. H. andSulica, V, I. Allergy to Silver Amalgams , Oral Surgery, Ora Medicine and Oral Pathology, 46, 371-375 (1978 ... 

Mercury and silver have long been known to have antibacterial properties and preparations of these metals were among the earliest used antiseptics, but have been replaced by less toxic compounds. Other metals such as zinc, copper, aluminium and tin have weak antibacterial properties but are used in medicine for other functions, e.g. aluminium acetate and zinc sulphate are employed as astringents. 

Kessler, M., Hajek, K., Simon, W. Four-Barreled Microelectrode for the Measurement of Potassium, Sodium, and Calcium-Ion Activity, in Ion and Enzyme Electrodes in Biology and Medicine (Kessler, M., Clark, Jr, L. C., Lubbers, D, W., Silver, I. A., Simon, W., eds.) Munich Urban and Schwarzenberg, 1976, p. 136... 

Silver-colored, ductile metal that is attacked slowly by air and water. The element exhibits interesting magnetic properties. Found in television tubes. Laser material such as YAG (yttrium-aluminum garnet) doped with holmium (as well as chromium and thulium) can be applied in medicine, especially in sensitive eye operations. 

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