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 …
به خواندن ادامه دهیدIn 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 …
به خواندن ادامه دهیدIron (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, …
به خواندن ادامه دهیدObjectives: 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 …
به خواندن ادامه دهیدSpirax Sarco Philippines Separators and Insulation Jackets gather small water droplets and separate to reduce wet steam and maintain heat transfer efficiency.
به خواندن ادامه دهیدCopper 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 …
به خواندن ادامه دهیدIron and copper induce diverse types of cell death. A Iron and copper trigger external and internal apoptosis. In the internal pathway, they lead to …
به خواندن ادامه دهیدA 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 …
به خواندن ادامه دهیدIron 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 …
به خواندن ادامه دهیدIron-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 ...
به خواندن ادامه دهیدRecent 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 …
به خواندن ادامه دهیدMoreover, 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).
به خواندن ادامه دهیدDietary 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 …
به خواندن ادامه دهیدMicrominerals 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.
به خواندن ادامه دهیدIron 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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به خواندن ادامه دهیدIn this study, a variety of methods for extracting and separating copper and iron from CSS are reported. The extraction and separation technologies include …
به خواندن ادامه دهیدEfficiently, 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 …
به خواندن ادامه دهید1. 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 …
به خواندن ادامه دهیدIsotope 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 …
به خواندن ادامه دهیدGlobally, 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 …
به خواندن ادامه دهیدNotable 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 …
به خواندن ادامه دهیدBackground & 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 …
به خواندن ادامه دهیدDissolved 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).
به خواندن ادامه دهیدSince 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 …
به خواندن ادامه دهیدIron 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 …
به خواندن ادامه دهیدNowadays, 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 …
به خواندن ادامه دهیدThis 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 …
به خواندن ادامه دهیدThis 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 …
به خواندن ادامه دهیدThe 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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