Here we report on copper delafossite oxide (ABO(2); A = Cu) as a novel anode for the oxygen evolution reaction (OER). Among the copper delafossites we synthesized, copper rhodium delafossite (CuRhO2) showed excellent cyclic voltammogram (CV) characteristics for OER in 1 M KOH (aq), ...
Native copper has a distinctive reddish/brown color. Its first oxidation state (+1) formscompounds with copper ions named “cuprous,” also referred to as “copper(I),” and these ionsare easily oxidized with elements in group 16 (e.g., oxygen and sulfur) and elements in group17 (the ...
Copper foil, Oxygen-Free High Conductivity (OFHC), alloy 101 is used for automotive rectifiers, transistor component bases, high resistance-ratio cryogenic shunts, wave guides, hollow conductors, anodes for vacuum tubes, coaxial cable, coaxial tube, klystrons, microwave tubes, bus bars, lead-in ...
Ortiz, J, Gautier, JL (1995) Oxygen reduction on copper chromium manganites. Effect of oxide composition on the reaction mechanism in alkaline solution. J Electroanal Chem 391: pp. 111-18Ortiz J. & Gautier J. L. Oxygen reduction on copper chromium manganites. Effect of oxide composition on...
reaction mechanism34, resulting in methanol adsorbed to a reduced Cu cluster. The C–H bond activation over the extra-framework Cu3O32+cluster is facilitated by the interaction with a formally radical-anionic extra-framework oxygen centre. The interaction of the respective single-occupied molecular ...
The mechanism of the action of copper-dependent quercetin 2,3-dioxygenase(2,3QD) has been investigated by means of hybrid density functional theory.The 2,3QD enzyme cleaves the O-heterocycle of a quercetin by incorporation of both oxygen atoms into the substrate and releases carbon monoxide.The...
quantitatively assess the Cu valence composition during the in-situ reaction. We found that the oxide-to-metallic Cu transition under CO gas is two-fold faster than that under He gas (Fig.3c, d; Supplementary Fig.16). This suggests that the intense CO chemisorption/reaction on oxygen-...
Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and ...
In excess it causes oxidative stress, with increased production of reactive oxygen species (ROS) via the Haber-Weiss reaction and consequent peroxidation of lipid components of cell membranes (Hall, 2002; Ravet and Pilon, 2013). Excess Cu increases the activity of lipoxygenase (LOX) enzyme that ...
Recent structural and spectroscopic studies on a series of biomimetic model compounds have provided new and valuable insights into the key reactive intermediates involved in the dioxygen processing at the mononuclear copper reaction centers in biological systems. 关键词: ALPHA-HYDROXYLATING MONOOXYGENASE ...