Basic Copper Carbonate Purified Granular

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• J Dairy Sci. 1996 Jan Bioavailability of copper proteinate and copper carbonate relative to copper sulfate in cattle

  Two experiments were conducted to determine the relative bioavailabilities of Cu proteinate, CuCO3, and CuSO4. In Experiment 1, 30 heifers that had been depleted of Cu were us 1. Treatments were control, Cu proteinate A, Cu proteinate B, CuCO3, and CuSO4. Sources provided 50 mg of Cu/d. Supplementation increased plasma Cu by d 21, but… Read Abstract

• Nanotoxicology. 2018 Sep Quantitative human health risk assessment along the lifecycle of nano-scale copper-based wood preservatives

  The use of nano-scale copper oxide (CuO) and basic copper carbonate (Cu2(OH)2CO3) in both ionic and micronized wood preservatives has raised concerns about the potential of these substances to cause adverse humans health effects. To address these concerns, we performed quantitative (probabilistic) human health risk assessment (HHRA) along the lifecycles of these formulations used in… Read Abstract

• Pharmacol Rep. 2019 Oct The interaction between resveratrol and two forms of copper as carbonate and nanoparticles on antioxidant mechanisms and vascular function in Wistar rats

  Background: Experimental studies have emphasized that cardiovascular alterations can be improved by the long-term use of resveratrol (trans-3,5,4′-trihydroxystilbene; RSV) as well as dietary copper (Cu) intake. Methods: Male Wistar rats were supplemented for 8 weeks with Cu (6.5 mg/kg diet) as either nanoparticles (40 nm, CuNPs) or carbonate (CuCO3). Half of the studied animals were supplemented with… Read Abstract

• Nanotoxicology. 2019 Feb Toxicity of copper oxide and basic copper carbonate nanoparticles after short-term oral exposure in rats

  Copper oxide (CuO) nanoparticles (NPs) and copper carbonate nanoparticles (Cu2CO3(OH)2 NPs have applications as antimicrobial agents and wood preservatives: an application that may lead to oral ingestion via hand to mouth transfer. Rats were exposed by oral gavage to CuO NPs and Cu2CO3(OH)2 NPs for five consecutive days with doses from 1 to 512 mg/kg and 4… Read Abstract

• Appl Microbiol Biotechnol. 2017 Oct Biosynthesis of copper carbonate nanoparticles by ureolytic fungi

  In this research, the ureolytic fungi Neurospora crassa, Pestalotiopsis sp. and Myrothecium gramineum were investigated for the preparation of nanoscale copper carbonate and the role of fungal extracellular protein in such mineral formation. After incubation in urea-modified media, carbonate-laden fungal supernatants were used for the precipitation of copper carbonate, with experimental results agreeing closely with… Read Abstract

• Appl Microbiol Biotechnol. 2019 Sep Amino acid secretion influences the size and composition of copper carbonate nanoparticles synthesized by ureolytic fungi

  The ureolytic activity of Neurospora crassa results in an alkaline carbonate-rich culture medium which can precipitate soluble metals as insoluble carbonates. Such carbonates are smaller, often of nanoscale dimensions, than metal carbonates synthesized abiotically which infers that fungal excreted products can markedly affect particle size. In this work, it was found that amino acid excretion… Read Abstract

• J Nanosci Nanotechnol. 2018 Jul Synthesis of Cu Nanoparticles Using Copper Carbonate as Cu Source Toward Versatile Applications

  Cu nanoparticles (NPs) coated with polyvinylpyrrolidone (PVP) were fabricated by polyol method using copper carbonate as a raw material. To increase the reaction temperature, glycol multimers such as diethylene glycol, triethylene glycol, or tetraethylene glycol were examined as a solvent. With increasing degree of multimerization, average diameter of Cu NPs decreased. The synthesis of Cu… Read Abstract

• J Occup Environ Hyg. 2018 Apr Physical chemical properties and cell toxicity of sanding copper-treated lumber

  To protect against decay and fungal invasion into the wood, the micronized copper, copper carbonate particles, has been applied in the wood treatment in recent years; however, there is little information on the health risk associated with sanding micronized copper-treated lumber. In this study, wood dust from the sanding of micronized copper azole-treated lumber (MCA)… Read Abstract

• Frontiers in Bioscience. 2004 Sep Copper storage diseases: Menkes, Wilsons, and cancer

  The trace element copper is vital to the healthy functioning of organisms. Copper is used in a multitude of cellular activities including respiration, angiogenesis, and immune responses. Like other metals, copper homeostasis is a tightly regulated process. Copper is transported from dietary intake through the serum and into cells via a variety of transporters. There… Read Abstract

• Survey of Ophthalmology. 2013 Nov Iron, zinc, and copper in retinal physiology and disease.

  The essential trace metals iron, zinc, and copper play important roles both in retinal physiology and disease. They are involved in various retinal functions such as phototransduction, the visual cycle, and the process of neurotransmission, being tightly bound to proteins and other molecules to regulate their structure and/or function or as unbound free metal ions.… Read Abstract

• Nature. 2014 May Copper is required for oncogenic BRAF signalling and tumorigenesis.

  The BRAF kinase is mutated, typically Val 600→Glu (V600E), to induce an active oncogenic state in a large fraction of melanomas, thyroid cancers, hairy cell leukaemias and, to a smaller extent, a wide spectrum of other cancers. BRAF(V600E) phosphorylates and activates the MEK1 and MEK2 kinases, which in turn phosphorylate and activate the ERK1 and… Read Abstract

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