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    Copper tagged posts

    Multiple Urinary Metals play Key Role in Cardiovascular disease and Mortality, study finds

    August 4, 2024, Categories  Biology/Biotechnology, Chemistry/Nanotechnology, Health/Medical

    Higher levels of urinary metals such as cadmium, tungsten, uranium, cobalt, copper and zinc are linked to increased cardiovascular disease and mortality in a racially and ethnically diverse U.S. population, according to a new study at Columbia University Mailman School of Public Health. While it is well documented that exposure to certain metals has been associated with cardiovascular disease (CVD) and mortality, until now the evidence was limited beyond arsenic, cadmium, and lead and for a racially diverse population. The findings are published in the journal Circulation.

    When analyzed together, the 6 metal-mixture including cadmium, tungsten, uranium, copper, cobalt, and zinc was associated with a 29 percent increased risk of cardiovascular disease and a 66% increased risk of dea...

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    Combining two ‘Old Therapies’ packs a Powerful Punch against Pediatric Brain Tumors

    November 4, 2021, Categories  Biology/Biotechnology, Health/Medical

    On the left is a magnetic resonance image of a child’s medulloblastoma brain tumor, and on the right, a photomicrograph of medulloblastoma cells. The circle shows a Homer Wright rosette, a circular cluster of tumor cells characteristic of the disease. Johns Hopkins Medicine researchers have combined two old therapies — copper and disulfiram — to destroy this pediatric cancer. Credit: Graphic created by M.E. Newman, Johns Hopkins Medicine, using public domain images. MRI scan courtesy of the National Cancer Institute and photomicrograph courtesy of Jensflorian via Wikimedia Commons.

    Copper has been clinically improving the lives of people since about 1500 BCE, when an Egyptian physician first recorded its use as a treatment for inflammation...

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    Scientists find a Cheaper way to Light up OLED screens

    February 10, 2019, Categories  Chemistry/Nanotechnology, Physics, Technology/Electronics

    Chemist Mark E. Thompson holds new copper-based LEDs invented by him and a team of chemists that could be a cheaper option for TV and smartphone screens to produce the color — including blue — and light. Right now, the industry relies on iridium, an expensive precious metal, for LED light and color.
    Credit: Mark E. Thompson, USC Dornsife

    USC Dornsife chemists have found a cheaper way to light up smartphone and TV screens, which could save manufacturers and consumers money without affecting visual quality. Copper is the answer, according to their study, published Feb. 8 in the journal Science.

    “The current technology that is in every Samsung Galaxy phone, high-end Apple iPhone and LG TV relies on iridium compounds for the colors and light on OLED screens,” says Mark E...

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    Certain Bacteria produce Tiny Gold Nuggets by Digesting Toxic Metals

    February 1, 2018, Categories  Chemistry/Nanotechnology, Environment/Geology

    C. metallidurans can produce small gold nuggets. Credit: American Society for Microbiology

    C. metallidurans can produce small gold nuggets. Credit: American Society for Microbiology

    High concentrations of heavy metals, like copper and gold, are toxic for most living creatures. This is not the case for the bacterium C. metallidurans, which has found a way to extract valuable trace elements from a compound of heavy metals without poisoning itself. One interesting side-effect: the formation of tiny gold nuggets. A team of researchers from Martin Luther University Halle-Wittenberg (MLU), the Technical University of Munich (TUM) and the University of Adelaide in Australia has discovered the molecular processes that take place inside the bacteria.

    The rod-shaped bacterium C. metallidurans primarily lives in soils that are enriched with numerous heavy metals...

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