Articles with "cobalt complex" as a keyword



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The radioprotective effect of a novel and green bio-nanohybrid, chitosan/silver/cobalt complex, based on Ferulago angulate plant.

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Published in 2021 at "Biotechnology and applied biochemistry"

DOI: 10.1002/bab.2228

Abstract: A novel bio-nanocomposite was developed by incorporating the extracted nano chitosan from shrimp wastes with Schiff base cobalt complex (Chit@Co complex(. The phytosynthesis of Chit@Co complex/Ag bio-nanocomposite was designed utilizing Chit@Co complex at the present… read more here.

Keywords: cobalt complex; chit complex; radioprotective effect; ferulago angulate ... See more keywords
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Synthesis, structural characterization and DNA-binding studies of a new cobalt (II) complex: (HAcr)4[Co(Sal)3]

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Published in 2017 at "Journal of the Iranian Chemical Society"

DOI: 10.1007/s13738-017-1081-5

Abstract: A new cobalt (II) coordination compound was synthesized using proton transfer mechanism. The reaction between CoCl2·2H2O, Salicylic acid (H2Sal) and acridine (Acr) gave a new coordination compound formulated as (HAcr)4[Co(Sal)3], which was characterized by elemental… read more here.

Keywords: new cobalt; cobalt complex; hacr sal; cobalt ... See more keywords
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Fabrication, characterization and electromagnetic wave absorption properties of covalently modified reduced graphene oxide based on dinuclear cobalt complex

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Published in 2019 at "Composites Part B: Engineering"

DOI: 10.1016/j.compositesb.2019.01.032

Abstract: Abstract We are reporting on well-designed single-layered and gradient concentration triple-layered microwave-absorbing composites based on functionalized reduced graphene oxide (FRGO). The RGO-[Co2L2Cl3]Cl, called FRGO, was fabricated through systematic experimental efforts by the covalent attachment of… read more here.

Keywords: reduced graphene; cobalt complex; rgo co2l2cl3; graphene oxide ... See more keywords
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Development of a novel electrochemical sensor based on cobalt(II) complex useful in the detection of dopamine in presence of ascorbic acid and uric acid

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Published in 2017 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2017.01.057

Abstract: Abstract [(Co(bdmpzm) 2 (NCS) 2 ] (bdmpzm = bis(3,5-dimethylpyrazol-1-yl)methane) was synthesized and combined with single walled carbon nanotubes (SWCNT) and nafion on a screen printed carbon electrode (SPCE). The electrocatalytic activity of modified electrode (Nafion-SWCNT-[Co(bdmpzm) 2 (NCS)… read more here.

Keywords: detection; cobalt complex; dopamine; acid ... See more keywords
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Synthesis of MCM-41 supported cobalt (II) complex for the formation of polyhydroquinoline derivatives

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Published in 2021 at "Polyhedron"

DOI: 10.1016/j.poly.2021.115102

Abstract: Abstract A new and green heterogeneous MCM-41@PDCA-Co catalyst has been prepared via immobilization of cobalt (II) complex onto the surface of MCM-41. This was characterized by different techniques such as FT-IR, TEM, TGA, low angle… read more here.

Keywords: cobalt; polyhydroquinoline; mcm supported; supported cobalt ... See more keywords
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Wide wavelength photon harvesting in dye-sensitized solar cells utilizing cobalt complex redox electrolyte: Implication of surface passivation

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Published in 2019 at "Solar Energy Materials and Solar Cells"

DOI: 10.1016/j.solmat.2019.03.013

Abstract: Abstract A combination of near infra-red (NIR) photon harvesting and cobalt electrolytes having deeper redox energy level are needed for the fabrication of high efficiency dye-sensitized solar cells (DSSCs). A logical molecular design of unsymmetrical… read more here.

Keywords: solar cells; photon harvesting; cobalt complex; photon ... See more keywords
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Hydrogen-Bonded Framework of a Cobalt(II) Complex Showing Superior Stability and Field-Induced Slow Magnetic Relaxation.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c00034

Abstract: A unique hydrogen-bonded organic-inorganic framework (HOIF) constructed from a mononuclear cobalt(II) complex, [Co(MCA)2·(H2O)2] (HMCA = 4-imidazolecarboxylic acid), via multiple hydrogen-bonding interactions was synthesized and structurally characterized. The Co(II) center in the HOIF features a highly… read more here.

Keywords: hoif; framework; hydrogen; cobalt complex ... See more keywords
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Enantioselective Formal Vinylogous N-H Insertion of Secondary Aliphatic Amines Catalyzed by a High-Spin Cobalt(II) Complex.

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Published in 2021 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c04367

Abstract: Vinylcarbene insertion into the nitrogen-hydrogen (N-H) bond of amines allows direct access to α,β-unsaturated γ-amino acid derivatives, meeting a marked challenge in the control of regio- and enantioselectivities. Here, we report a highly γ-selective and… read more here.

Keywords: enantioselective formal; high spin; cobalt complex; insertion ... See more keywords
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Regression of murine Ehrlich ascites carcinoma using synthesized cobalt complex.

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Published in 2017 at "MedChemComm"

DOI: 10.1039/c6md00618c

Abstract: Cisplatin as a chief chemotherapy has nephro-toxicity and so we have tried to develop a novel antitumor drug based on a combination of cobalt metal ion with an organic moiety. The antitumor activity of the… read more here.

Keywords: ascites carcinoma; cobalt complex; cobalt; murine ehrlich ... See more keywords
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Difluorocarbene transfer from a cobalt complex to an electron-deficient alkene.

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Published in 2017 at "Chemical communications"

DOI: 10.1039/c7cc01418j

Abstract: We report the synthesis of the trifluoromethyl cobalt(iii)tetraphenylporphyrinato complex [Co(TPP)CF3], which loses fluoride upon one-electron reduction and transfers a difluorocarbene moiety to n-butyl acrylate to produce the corresponding gem-difluorocyclopropane. Catalytic CF2 transfer from Me3SiCF3 to… read more here.

Keywords: cobalt complex; cobalt; difluorocarbene transfer; transfer cobalt ... See more keywords
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A tandem redox system with a cobalt complex and 2-azaadamantane-N-oxyl for fast dye regeneration and open circuit voltages exceeding 1 V

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Published in 2019 at "Journal of Materials Chemistry A"

DOI: 10.1039/c9ta00490d

Abstract: Tandem electrolyte systems with Co(bpy)33+/2+ and the organic radical 2-azaadamantane-N-oxyl reaching a VOC over 1 V were studied. read more here.

Keywords: redox system; azaadamantane; azaadamantane oxyl; cobalt complex ... See more keywords