Articles with "manganese ions" as a keyword



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Spectroscopic and paramagnetic studies of LaAlO3 polycrystals doped with manganese ions

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Published in 2020 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2020.123149

Abstract: Abstract In this contribution, the spectroscopic and magnetic properties of manganese ions in a rhombohedral LaAlO3 perovskite are reported. Micro powders were prepared by the Pechini method. We present absorption, excitation and emission spectra of… read more here.

Keywords: spectroscopic paramagnetic; manganese ions; studies laalo3; laalo3 polycrystals ... See more keywords
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Characterization of the Structural Properties of Zinc Phosphate Glass Ceramics Doped with Manganese Ions Following Thermal Treatment

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Published in 2019 at "Analytical Letters"

DOI: 10.1080/00032719.2017.1420074

Abstract: ABSTRACT Glasses of the MnOx · (P2O5)40 · (ZnO)60−x system were prepared by the melt-quenching technique and thermally treated for 2 h at 650°C. To describe the influence of thermal treatment on zinc phosphate glass matrix doped with manganese ions,… read more here.

Keywords: manganese ions; zinc phosphate; thermal treatment; phosphate glass ... See more keywords
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Magnetic transitions and different valence states of manganese ions in solid solutions (Ni,Cu,Mn)-=SUB=-3-=/SUB=-BO-=SUB=-5-=/SUB=-

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Published in 2023 at "Physics of the Solid State"

DOI: 10.21883/pss.2023.02.55410.512

Abstract: The content of metal ions and their valence state for three NixCuyMn3-x-yBO5 compositions were estimated by EXAFS and XANES spectroscopy methods. In all three compositions, the copper y content did not exceed 0.25; in the… read more here.

Keywords: sub sub; manganese ions; transitions different; valence ... See more keywords
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Influence of manganese ions environment in octahedral sublattice of La0.7Sr0.3Mn0.9Fe0.1 – xMgxO3 + γ manganites on their properties

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Published in 2020 at "Inorganic Materials: Applied Research"

DOI: 10.30791/1028-978x-2020-8-29-38

Abstract: Structural, magnetic, and electrical characteristics of manganites in the system La3+0.7Sr2+0.3Mn3+0.6–x-2γMn4+0.3+x+2γFe3+0.1–x Mg2+xO2-3+γ (0 ≤ x ≤ 0.1) synthesized by solid-state reactions are presented. Sintering was performed in air at 1423 K. Samples with stoichiometric oxygen content (γ = 0) were obtained… read more here.

Keywords: octahedral sublattice; manganese ions; environment octahedral; ions environment ... See more keywords
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Bioreactor as the root cause of the “manganese effect” during Aspergillus niger citric acid fermentations

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Published in 2022 at "Frontiers in Bioengineering and Biotechnology"

DOI: 10.3389/fbioe.2022.935902

Abstract: High-yield citric acid production by the filamentous Ascomycete fungus Aspergillus niger requires a combination of extreme nutritional conditions, of which maintaining a low manganese (II) ion concentration ( read more here.

Keywords: manganese ions; aspergillus niger; acid; acid fermentations ... See more keywords
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Manganese Ions Individually Alter the Reverse Transcription Signature of Modified Ribonucleosides

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Published in 2020 at "Genes"

DOI: 10.3390/genes11080950

Abstract: Reverse transcription of RNA templates containing modified ribonucleosides transfers modification-related information as misincorporations, arrest or nucleotide skipping events to the newly synthesized cDNA strand. The frequency and proportion of these events, merged from all sequenced… read more here.

Keywords: manganese ions; modified ribonucleosides; reverse transcription; signature ... See more keywords
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Investigation of adsorption activity of poly(acrylamide-styrene)/bentonite nanocomposite for efficient removal of manganese ions from aqueous solution

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Published in 2021 at "Desalination and Water Treatment"

DOI: 10.5004/dwt.2021.26505

Abstract: Removal of heavy metals which are produced from industrial and agricultural processes is essential due to their adverse effects on the environment. In the present work, polyacrylamide– polystyrene/ bentonite nanocomposite was easily synthesized through in… read more here.

Keywords: microscopy; ions aqueous; manganese ions; bentonite nanocomposite ... See more keywords