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Träfflista för sökning "WFRF:(Noa Francoise M. Amombo) "

Sökning: WFRF:(Noa Francoise M. Amombo)

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1.
  • Yousri, Amal, et al. (författare)
  • Synthesis, structure diversity, and antimicrobial studies of Ag(i) complexes with quinoline-type ligands
  • 2023
  • Ingår i: CrystEngComm. - 1466-8033. ; 25:27, s. 3922-3930
  • Tidskriftsartikel (refereegranskat)abstract
    • Compounds [Ag(5NO2Qu)2]BF4 (1) and [Ag(Qu3CN)(H2O)]BF4 (2) were prepared and studied from a structural perspective and screened for antimicrobial activity. The Ag(i) in the monomeric complex 1 is coordinated to two 5-nitroquinoline (5NO2Qu) ligands via the N-atoms of the quinoline rings with equidistant Ag-N bonds (2.146(2) Å) and a N-Ag-N# bond angle of 171.42(8)°. The 2D coordination polymer 2 contains tetracoordinated Ag(i) with two N-atoms (N1 and N2#1) from two quinoline-3-carbonitrile (Qu3CN) ligands and two O-atoms (O1 and O1#1) from two water molecules. The Qu3CN ligand acts as a connector between the Ag(i) sites along the b-direction via two short Ag1-N1 (2.185(4) Å) and Ag1-N2#1 (2.204(4) Å) bonds. In addition, the Ag(i) is coordinated with two symmetry related water molecules which are also acting as connectors between the Ag(i) sites along the a-direction via two longer Ag1-O1 (2.470(4) Å) and Ag1-O1#2 (2.546(4) Å) bonds. Hirshfeld surface analysis confirmed the significance of the polar F⋯H contacts in the molecular packing of 1 (25.9%) and 2 (39.9%). In addition, the crystal packing of 1 showed a significant amount of polar O⋯H (23.5%) contacts. Also, both complexes displayed π-π stacking interactions. The Ag(i) complexes and the free ligand were assessed for their antimicrobial activities. It was found that 1 (MIC = 7.8 μg mL−1) and 2 (MIC = 31.25 μg mL−1) have higher antifungal potency against C. albicans than their free ligands (MIC = 125 μg mL−1). Interestingly, 1 has better antifungal activity than the standard nystatin (15.6 μg mL−1). Also, both Ag(i) complexes and the free ligands as well have better activity against P. mirabilis than the common antibiotic amoxicillin.
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2.
  • Amombo Noa, Francoise M., et al. (författare)
  • A Hexagon Based Mn(II) Rod Metal-Organic Framework – Structure, SF6 Gas Sorption, Magnetism and Electrochemistry
  • 2023
  • Ingår i: Chemical Communications. - : Royal Society of Chemistry. - 1359-7345 .- 1364-548X.
  • Tidskriftsartikel (refereegranskat)abstract
    • A manganese(II) metal-organic framework based on the hexatopic hexakis(4-carboxyphenyl)benzene, cpb6-: [Mn3(cpb)(dmf)3], was solvothermally prepared showing a Langmuir area of 438 m2/g, rapid uptake of sulfur hexafluoride (SF6) as well as electrochemical and magnetic properties, while single crystal diffraction reveals an unusual rod-MOF topology.
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