In a study published in Nature Nanotechnology, researchers discovered that cuproptosis may serve as a new target for radiosensitization in re-irradiation.
Bio & Medicine
Sep 20, 2024
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As the use of electronic devices continues to rise, the management of electronic waste (e-waste) has become a critical issue. Printed circuit board (PCB) recycling methods are generally classified into physical and chemical ...
Bio & Medicine
Sep 18, 2024
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A discovery in the field of catalysis has emerged from the laboratories of Professor Jaeheung Cho and his team in the Department of Chemistry at UNIST. Their pioneering work has led to the development of a copper(II)–alkylperoxo ...
Analytical Chemistry
Feb 27, 2024
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20
In a study published in Science Advances, researchers from the Federal University of Rio de Janeiro (UFRJ) and the German Center for Neurodegenerative Diseases (DZNE-Berlin) shed light on the intricate dance between the prion ...
Molecular & Computational biology
Dec 1, 2023
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52
Researchers at Binghamton University led research partnering with the Center for Functional Nanomaterials (CFN)—a U.S. Department of Energy (DOE) Office of Science User Facility at Brookhaven National Laboratory—to get ...
Materials Science
Apr 7, 2023
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188
When some materials are cooled to a certain temperature, they lose electric resistance, becoming superconductors.
Superconductivity
Aug 18, 2022
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176
An international team of scientists, led by the University of Liverpool, has produced structural movies of a key enzyme involved in a biological pathway of greenhouse gas production that offer new insight into its catalytic ...
Biochemistry
Aug 18, 2022
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39
Like you and me, microbes need some metals in their diet to stay healthy. The metals help the microbes fully "digest" food. After a good meal, the microbes that gain energy by chemically reducing nitrate release a harmless ...
Earth Sciences
Jun 15, 2022
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227
A photocatalyst made using a combination of titanium dioxide (TiO2) and copper oxide (CuxO) nanoclusters inactivates various variant types of novel coronavirus SARS-CoV-2. In a recent breakthrough, scientists in Nara Medical ...
Biochemistry
Apr 14, 2022
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The principle of pool boiling—heating a surface submerged in standing liquid until that liquid boils—is used to transfer heat for many applications, from power generation to refrigeration to air conditioning.
Condensed Matter
Nov 11, 2021
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There are two stable copper oxides, copper(II) oxide (CuO) and copper(I) oxide (Cu2O).
Copper(I) oxide or cuprous oxide (Cu2O) is an oxide of copper. It is insoluble in water and organic solvents. Copper(I) oxide dissolves in concentrated ammonia solution to form the colorless complex [Cu(NH3)2]+, which easily oxidizes in air to the blue [Cu(NH3)4(H2O)2]2+. It dissolves in hydrochloric acid to form HCuCl2 (a complex of CuCl), while dilute sulfuric acid and nitric acid produce copper(II) sulfate and copper(II) nitrate, respectively.
Copper(I) oxide is found as the mineral cuprite in some red-colored rocks. When it is exposed to oxygen, copper will naturally oxidize to copper(I) oxide, but this takes extensive time. Artificial formation is usually accomplished at high temperature or at high oxygen pressure. With further heating, copper(I) oxide will form copper(II) oxide.
Formation of copper(I) oxide is the basis of the Fehling's test and Benedict's test for reducing sugars which reduce an alkaline solution of a copper(II) salt and give a precipitate of Cu2O.
Cuprous oxide forms on silver-plated copper parts exposed to moisture when the silver layer is porous or damaged; this kind of corrosion is known as red plague.
Copper(II) oxide or cupric oxide (CuO) is the higher oxide of copper. As a mineral, it is known as tenorite.
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