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The use of injected gold compound is indicated for rheumatoid arthritis. [4] Its uses have diminished with the advent of newer compounds such as methotrexate and because of numerous side effects. [4] The efficacy of orally administered gold is more limited than injecting the gold compounds. [5]
Sodium aurothiomalate (INN, known in the United States as gold sodium thiomalate) is a gold compound that is used for its immunosuppressive anti-rheumatic effects. [ 2 ] [ 3 ] Along with an orally-administered gold salt, auranofin , it is one of only two gold compounds currently employed in modern medicine.
Gold pentafluoride, along with its derivative anion, AuF − 6, and its difluorine complex, gold heptafluoride, is the sole example of gold(V), the highest verified oxidation state. [ 19 ] Some gold compounds exhibit aurophilic bonding , which describes the tendency of gold ions to interact at distances that are too long to be a conventional Au ...
But because those bonding wires are thinner than a human hair, the total amount of gold used is minuscule. A mobile device like a smartphone or tablet PC contains about 0.0002 ounces of gold. At ...
Edible gold has been used since ancient times and can be found in many regions of the world and in different ages. The earliest evidence of the use of edible gold is among the ancient Egyptians, almost 5000 years ago, where the use of gold was well-known in many fields.
Gold, a chemical element; Genomes OnLine Database; Global-scale Observations of the Limb and Disk, a NASA Explorer Mission of Opportunity; GOLD (parser), an open-source parser-generator of BNF-based grammars; Graduates of the Last Decade, an Institute of Electrical and Electronics Engineers program to garner more university level student members
Precious metals such as gold, silver, and platinum have been used for millennia to create objects of cultural and artistic significance. In jewelry, they are a cornerstone for crafting wedding bands , engagement rings , and ceremonial adornments , often symbolizing love, commitment, and social status.
The earliest gold artifacts were discovered at the site of Wadi Qana in the Levant. [13] Silver is estimated to have been discovered in Asia Minor shortly after copper and gold. [14] There is evidence that iron was known from before 5000 BC. [15] The oldest known iron objects used by humans are some beads of meteoric iron, made in Egypt in ...