Articles with "copper ions" as a keyword



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Voltammetric and spectroscopic studies of the interaction between copper (II) ions with the pesticide carbendazim and its effect in the soil

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Published in 2017 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-017-3746-5

Abstract: The pesticide carbendazim (MBC) has nitrogen and oxygen in their structure which can interact with metal ions. This work evaluated the interaction between copper (II) ions with the pesticide carbendazim. The results obtained by cyclic… read more here.

Keywords: copper; peak; interaction copper; copper ions ... See more keywords
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Using NMR spectroscopy to investigate the role played by copper in prion diseases

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Published in 2020 at "Neurological Sciences"

DOI: 10.1007/s10072-020-04321-9

Abstract: Prion diseases are a group of rare neurodegenerative disorders that develop as a result of the conformational conversion of normal prion protein (PrPC) to the disease-associated isoform (PrPSc). The mechanism that actually causes disease remains… read more here.

Keywords: copper ions; prion; role; spectroscopy ... See more keywords
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New fluorescent sensor based on a calix[4]arene bearing two triazole–coumarin units for copper ions: application for Cu2+ detection in human blood serum

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Published in 2018 at "Journal of Inclusion Phenomena and Macrocyclic Chemistry"

DOI: 10.1007/s10847-018-0872-3

Abstract: A novel fluorescent chemosensor calix[4]arene L, containing two fluorogenic coumarin units at the lower rim has been synthesized via click reaction. The structure of this chemosensor, was characterized by IR, NMR spectra and elemental analysis.… read more here.

Keywords: detection; calix arene; cu2; coumarin units ... See more keywords
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Fluorescence “on-off-on” Assay of Copper Ions and EDTA Using Amino-Functionalized Graphene Quantum Dots

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Published in 2020 at "Journal of Fluorescence"

DOI: 10.1007/s10895-020-02497-z

Abstract: Copper is an important trace element involved in several physiological processes. The deficiency or excess of Cu in the human body may cause some serious diseases. EDTA has been widely employed in many industry fields… read more here.

Keywords: amino functionalized; graphene quantum; functionalized graphene; fluorescence ... See more keywords
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Chitosan Functionalization with Amino Acids Yields to Higher Copper Ions Adsorption Capacity

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Published in 2018 at "Journal of Polymers and the Environment"

DOI: 10.1007/s10924-018-1306-4

Abstract: Chitosan (Chi) beads were conjugated with three different amino acids [namely, glutamic acid (GLU), methionine (MET), and taurine (TAU)] aiming to increase the divalent copper ions uptake in aqueous media. Scanning Electron Microscopy evidenced the… read more here.

Keywords: amino; amino acid; amino acids; chi ... See more keywords
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Organic acid participation strategy for the synthesis of highly fluorescent carbon dots and their application in dual-mode determination of copper ions

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144567

Abstract: Abstract In-depth research on surface functionalization of carbon dots (CDs) has opened new horizons for their application in chemosensing and biosensing. However, the practicability of CDs is still limited due to their unmanageable fluorescence properties.… read more here.

Keywords: participation; carbon; fluorescence; carbon dots ... See more keywords
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Biosorption of copper ions from aqueous solution by Codium vermilara: Optimization, kinetic, isotherm and thermodynamic studies

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Published in 2020 at "Advanced Powder Technology"

DOI: 10.1016/j.apt.2020.07.014

Abstract: Abstract In this investigation, the efficiency of Codium vermilara for copper ions removal from aqueous solution was studied. Central Composite Design has been used for the Response Surface Methodology and has been found to be… read more here.

Keywords: codium vermilara; vermilara; copper; copper ions ... See more keywords
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Biosorption of nickel(II) and copper(II) ions by Sargassum sp. in nature and alginate extraction products

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Published in 2019 at "Bioresource Technology Reports"

DOI: 10.1016/j.biteb.2018.11.011

Abstract: Abstract In this study, brown algae Sargassum sp. and its alginate extraction products were used as biosorbents for removal of nickel and copper ions from aqueous solutions in batch. The alginate extraction was performed in… read more here.

Keywords: alginate extraction; extraction products; extraction; nickel copper ... See more keywords
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Influence of copper ions removal from membrane-bound form of particulate methane monooxygenase from Methylosinus trichosporium OB3b on its activity for methane hydroxylation.

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Published in 2019 at "Journal of biotechnology"

DOI: 10.1016/j.btecx.2018.100001

Abstract: The influence of metal removal with a chelating reagent, ethylenediaminetetraacetic acid (EDTA), and metal reconstitution on the activity of particulate methane monooxygenase (pMMO) from Methylosinus trichosporium OB3b toward methane oxidation to methanol was investigated. For… read more here.

Keywords: membrane; activity; methane; copper ions ... See more keywords
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Analysis of intracellular copper ions content and distribution in algae by gold nanorods method

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Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.127512

Abstract: Abstract A novel approach was introduced for detection of copper ions presented in microalgae cells using gold nanorods (GNRs) and for determination of factors affecting the migration of copper ions between water and microalgae cells.… read more here.

Keywords: copper; gold nanorods; microalgae cells; migration ... See more keywords
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Rainbow trout (Oncorhynchus mykiss) chemosensory detection of and reactions to copper nanoparticles and copper ions.

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Published in 2020 at "Environmental pollution"

DOI: 10.1016/j.envpol.2020.113925

Abstract: Copper is known to interfere with fish olfaction. Although the chemosensory detection and olfactory toxicity of copper ions (Cu2+) has been heavily studied in fish, the olfactory-driven detection of copper nanoparticles (CuNPs)-a rapidly emerging contaminant… read more here.

Keywords: detection; cu2; cunps; chemosensory detection ... See more keywords