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Metabolic crossroads of iron and copper

Interactions between the essential dietary metals, iron and copper, have been known for many years. This review highlights recent advances in iron-copper interactions with a focus on tissues and cell types important for regulating whole-body iron and copper homeostasis. Cells that mediate dietary as …

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Global Distribution of Used and Unused Extracted Materials …

In today's global economy, sustainable resource management requires a consumption perspective of resource use and insight into actual resource use through the global supply chain. The estimated global amount of used and unused extraction caused by mineral extraction of iron, copper, and nickel more than doubled from 1990 to 2013 …

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Iron, Copper, and Zinc Homeostasis: Physiology

Iron (Fe), Copper (Cu), and Zinc (Zn) are elements on which organisms, ranging from simple bacteria all the way to complex ones such as mammals, rely on these divalent ions. Compounded by the continuously evolving biotechnologies, these ions are still relevant today. This review article aims at recapping the mechanisms involved in Fe, Cu, …

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Improving dark fermentative hydrogen production through zero …

Objectives: To investigate the effect of zero-valent iron and copper (Fe/Cu) micro-electrolysis on dark fermentative hydrogen production from glucose by a mixed bacterial consortium and the possible mechanisms of increasing hydrogen yield. Results: Compared to zero-valent iron and activated carbon (Fe/C) micro-electrolysis, Fe/Cu micro …

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Separators & Insulation Jackets | Philippines | Spirax Sarco

Spirax Sarco Philippines Separators and Insulation Jackets gather small water droplets and separate to reduce wet steam and maintain heat transfer efficiency.

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Copper Precipitation & Cementation using Scrap …

Copper Cementation Cone. In the search for lower cost methods of recovering copper, the use of sponge iron or particulate iron (as distinguished from iron powder used in powder metallurgy) as …

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Iron and copper: critical executioners of ferroptosis, …

Iron and copper induce diverse types of cell death. A Iron and copper trigger external and internal apoptosis. In the internal pathway, they lead to …

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Iron–copper bimetallic nanoparticles supported on hollow mesoporous

A series of iron–copper bimetallic nanoparticles supported on hollow mesoporous silica spheres with different Fe/Cu ratios were prepared using a simple post-impregnation and sodium borohydride reduction strategy. Different Fe/Cu ratios were obtained by addition of various amounts of ferric and copper salts. The catalysts were …

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Molecular Mediators Governing Iron-Copper Interactions

Iron release from RE macrophages requires copper, again involving CP or possibly GPI-CP. Iron homeostasis is controlled by the liver-derived peptide hormone hepcidin, which …

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Iron-Copper Bimetallic Nanocomposite Reinforced Dressing …

Iron-Copper Bimetallic Nanocomposite Reinforced Dressing Materials for Infection Control and Healing of Diabetic Wound ACS Appl Bio Mater. 2019 Dec 16;2(12):5434-5445. doi: 10.1021/acsabm.9b00870. Epub 2019 Nov 19. Authors Madhumita Das 1 ...

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Brain Sciences | Free Full-Text | Distribution of Iron, Copper, …

Recent data on the distribution and influence of copper, zinc and cadmium in glial cells are summarized. This review also examines the relationship between those metals and their role in neurodegenerative diseases like Alzheimer disease, multiple sclerosis, Parkinson disease and Amyotrophic lateral sclerosis, which have become a …

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Iron, copper, zinc, and manganese transport and regulation …

Moreover, intracellular concentrations of iron, copper, zinc, and manganese are higher than extracellular concentrations of these metals. For instance, intracellular concentrations of iron, copper, and zinc in E. coli are 100-fold, 1000-fold and 10,000-fold higher than a chemically defined culture medium, respectively (Ma et al., 2009).

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Dietary Intake Levels of Iron, Copper, Zinc, and Manganese …

Dietary intake levels of iron, copper, zinc, and manganese were calculated from a semi-quantitative food frequency questionnaire. CF was assessed using the 27-point modified Telephone Interview for Cognitive Status (TICS). We used linear regression models to calculate the mean differences in global CF scores by quintiles of dietary …

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Iron, copper and immunocompetence

Microminerals including copper and iron are essential to immunity and health in human beings. The development of powerful tools in analytical cell biology and molecular genetics has facilitated efforts to identify specific cellular and molecular functions of trace elements in the maturation, activation and functions of host defence mechanisms.

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Intersection of Iron and Copper Metabolism in the …

Iron and copper have similar physiochemical properties; thus, physiologically relevant interactions seem likely. Indeed, points of intersection between these two essential trace minerals have been recognized for many decades, but mechanistic details have been lacking. Investigations in recent years have revealed that copper may positively ...

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sbm/sbm iron tailings separator in the philippines.md at …

sbm / sbm iron tailings separator in the philippines.md. chengxinjia 2567a2622d sbm. 18:35:50 +08:00

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Extraction and separation of copper and iron from copper …

In this study, a variety of methods for extracting and separating copper and iron from CSS are reported. The extraction and separation technologies include …

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Nano iron–copper alloys for tumor ablation: efficiently …

Efficiently, enhancing intracellular oxidative stress via increasing intracellular hydroxyl radicals (˙OH), which is based on the Fenton reaction and lowering glutathione (GSH) is a promising approach for cancer treatment. Herein, we synthesized a new alloy nanomaterial, Fe 5 Cu 3 O@BSA (FCB) with good dispersity aimed at introducing copper ions to …

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Chelation Combination—A Strategy to Mitigate the …

1. Introduction. Acute poisonings with manganese, iron, or copper compounds can, in many cases, be satisfactorily treated by chelator monotherapy [].Early chelator treatment after metal exposure should preferably be administered immediately, although chelator monotherapy within 6–12 h after the intoxication is effective in many …

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A novel absolute quantitative imaging strategy of iron, copper

Isotope Dilution Laser Ablation ICP-MS (ID-LA-ICP-MS), because of its impressive spatial resolution capacity and precise means for quantification, is one of the most promising tools for in-situ quantitative imaging of trace elements in biological samples. In the ID-LA-ICP-MS strategy for tissue sect …

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Bioleaching of Iron, Copper, Lead, and Zinc from the Sludge …

Globally, the amounts of metal ore deposits have been declining, so the research directions investigating the extraction of metals from materials that are classified as waste are gaining more importance every year. High concentrations of Cu, Pb, Zn, and Fe were analyzed in the sludge sediment (Zlaté Hory, Czech Republic), which is a waste …

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Molecular Mediators Governing Iron-Copper Interactions

Notable areas of interplay between iron and copper include the duodenal epithelium (Figure 1, inset), where both minerals are absorbed.Proteins that mediate potential points of interaction in enterocytes include an iron importer [divalent metal-ion transporter 1 (DMT1)], a metalloreductase [cytochrome B reductase 1 (CYBRD1); also called duodenal …

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Associations between dietary intakes of iron, copper and zinc

Background & aims: Abnormal homeostasis of iron, copper and zinc has been included in the pathogenesis of type 2 diabetes mellitus (T2DM). However, the evidence of associations between dietary intakes of these elements and T2DM is limited. We thought to examine the association between dietary intakes of iron, copper and zinc with risk of T2DM in …

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Implications of ocean acidification on micronutrient elements-iron …

Dissolved trace metals can be classified as metal bound to strong chelates, weak chelates and total free metal ions. The bioactive elements such as iron, copper and zinc form strong complexes with organic ligands (Bruland, 1989; Gledhill et al., 2015) and these chelated metals are generally not available for phytoplankton uptake (Sunda, 2012).

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Associations of the Dietary Iron, Copper, and Selenium Level …

Since oxidative stress and inflammation play a significant role in the pathophysiology of MetS, the dietary iron, copper, and selenium level is considered to be closely related to MetS. A number of observational studies have been employed to investigate the associations of the dietary iron, copper, and selenium level with MetS …

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Iron and copper metabolism

Iron and copper are essential nutrients, excesses or deficiencies of which cause impaired cellular functions and eventually cell death. The metabolic fates of copper and iron are intimately related. Systemic copper deficiency generates cellular iron deficiency, which in humans results in diminished …

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Wastewater degradation by iron/copper nanoparticles and …

Nowadays, trends in wastewater treatment by zero-valent iron (ZVI) were turned to use bimetallic NZVI particles by planting another metal onto the ZVI surface to increase its reactivity. Nano size zero-valent iron/copper (NZVI/Cu 0 ) bimetallic particles were synthesized in order to examine …

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Iron, copper, zinc and magnesium on rheumatoid arthritis: a …

This study aimed to elucidate the causal genetic relationships between iron, copper, zinc, magnesium, and rheumatoid arthritis (RA). A two-sample Mendelian randomization (MR) analysis was conducted using the "TwoSampleMR" and "MendelianRandomization" packages in R. The random-effects inverse varianc …

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Implications of ocean acidification on micronutrient elements-iron …

This review has been undertaken to understand the effectiveness of ocean acidification on oceanic micronutrient metal cycles (iron, copper and zinc) and its potential impacts on marine biota. Ocean acidification will slow down the oxidation of Fe(II) thereby retarding Fe(III) formation and subsequen …

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In-vitro antioxidant, antidiabetic, anticholinergic activity of iron

The main focus of the study was to explore the eco-friendly synthesis of functional Iron nanoparticles (FeNPs) and Copper nanoparticles (CuNPs) using the therapeutic potential of leaf on S. cordifolia. The presence of synthetic nanoparticles was confirmed through UV analysis, while FTIR spectroscopy was used to verify the …

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