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  • 1827
  • German chemist Friedrich Wöhler , using potassium metal as the reducing agent, produced aluminum powder (1827) and small globules of the metal (1845), from which he was able to determine some of its properties. (britannica.com)
  • Aluminum was first isolated in its pure form by Friedrich Wohler in 1827. (reference.com)
  • brain
  • Nor can we know if there has been any increase in the amount of aluminum in the human body in the past century because we do not have access to preserved brain tissue from earlier generations. (latimes.com)
  • Aluminum is present in the brain tissue of most Americans today. (latimes.com)
  • Microscopic examination of their brain tissue reveals deteriorated cells with deposits of plaque and tangled neurons, often containing deposits of aluminum. (latimes.com)
  • Likewise, aluminum has been found in the brain tissue of non-Kentuckians who died with their faculties intact. (latimes.com)
  • Some dementia is coincidental with the presence of aluminum in the brain. (latimes.com)
  • alloys
  • Structural components made from aluminum and its alloys are vital to the aerospace industry and very important in other areas of transportation and building. (newworldencyclopedia.org)
  • In addition, aluminum and its alloys are used in packaging, cooking utensils, electrical transmission lines, water purification processes, electronic devices and compact discs , paint , and pyrotechnics . (newworldencyclopedia.org)
  • amounts
  • Some parts of the country have large amounts of aluminum contained naturally in the water," according to Klein. (latimes.com)
  • commercial aluminum (99 to 99.6 percent pure) with small amounts of silicon and iron is hard and strong. (britannica.com)
  • metal's
  • The electrophysiological variation and synaptic plasticity induced by aluminum are covered, while the metal's debatable role in AD and the cross-talk between aluminum and genetic susceptibility are also discussed. (springer.com)
  • earth's
  • Since aluminum comprises 8% of the Earth's crust, almost everyone is exposed to it daily and absorbs the metal into the body by breathing it in as a dust or ingesting it with food, Klein said. (latimes.com)
  • silicon
  • Thermtronix® considers the current practical maximum size for a silicon carbide crucible to be approximately 3,000 lb. of aluminum capacity. (imakenews.com)
  • deposits
  • Klein cites dialysis water contaminated with aluminum deposits as a cause of bone disease in people undergoing dialysis. (latimes.com)
  • In the case of bone disease occurring in people on long-term intravenous feedings, Klein points to certain protein sources in solution--particularly casein hydrolysate--as containing high levels of aluminum deposits. (latimes.com)
  • At the same time they say that the aluminum deposits may antedate the condition and be totally unrelated to it, or may in some as yet undetermined way signal the onset of the disease. (latimes.com)
  • cookware
  • An unscientific survey of my friends and neighbors revealed that many of them had already emptied their kitchens of aluminum cookware, their cupboards of aluminum-enriched products. (latimes.com)
  • Chemistry
  • Chemistry Aluminum Round Ornaments make for brilliantly simple gifts in the present, and promise to be meaningful keepsakes for memories in the years to come. (cafepress.com)
  • occurs
  • If this occurs on an aluminum awning attached to your home's exterior, you have two options: replace the aluminum awning or repair it yourself. (ehow.com)
  • biological
  • There is no known biological requirement for aluminum and the metal has not been found to be carcinogenic even after it has deeply invaded bones, Klein said. (latimes.com)
  • Substance
  • aluminum has been known as a neurotoxic substance for nearly a century. (angelfire.com)
  • Aluminum was selected as the material to be used for the apex of the Washington Monument in 1884, a time when a single ounce (30 grams) of the substance cost the daily wage of a common worker on the project. (newworldencyclopedia.org)
  • NAME
  • Gimbel, who started as a warehouse man, succeeded Neilan as president of the company in 1957, a year after the company name was changed to Reliance Steel & Aluminum. (encyclopedia.com)