Publications by authors named "K Vogiatzis"

Carbon capture, sequestration and utilization offers a viable solution for reducing the total amount of atmospheric CO concentrations. On an industrial scale, amine-based solvents are extensively employed for CO capture through chemisorption. Nevertheless, this method is marked by the high cost associated with solvent regeneration, high vapor pressure, and the corrosive and toxic attributes of by-products, such as nitrosamines.

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  • * A study with 75 individuals highlighted that the duration of diabetes affected presepsin levels, with type 1 diabetes patients showing higher levels compared to type 2 diabetes patients, especially in well-controlled groups.
  • * After considering other factors like age and body mass index, the difference in presepsin levels remained significant, indicating its possible role as a marker for inflammation in diabetes management.
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Vinyl-addition polynorbornenes are candidates for designing high-performance polymers due to unique characteristics, which include a high glass transition temperature associated with a rigid backbone. Recent studies have established that the processability and properties of these polymers can be fine-tuned by using targeted substitutions. However, synthesis with different catalysts results in materials with distinct properties, potentially due to the presence of various stereoisomers that are difficult to quantify experimentally.

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A comprehensive computational study on the underlying reactivity of iron tetra-NHC complexes for C + N aziridination catalysis is presented. A library of 18 unique iron tetra-NHC complexes was constructed, and a computational screening was performed on the reaction barriers associated with the rate-determining step (formation of an open chain radical intermediate). Thermodynamic barriers were computed along with a variety of steric and electronic properties, including the percentage of buried volume, orbital energies and ETS-NOCV analysis, which were used to identify key characteristics related to reactivity.

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  • The synthesis and characterization of the quadruply-bonded dimer Mo(CHNMeBH) is reported, with each molybdenum(II) center connected to two BDAM ligands, resulting in an unbridged Mo-Mo bond.
  • Structural and solution NMR data, analyzed through McConnell's equation and supported by DFT calculations, reveal that ligand-induced magnetic anisotropies can distort NMR chemical shifts, leading to potential overestimations of metal-metal bond contributions.
  • A new method is proposed to quantify and correct these ligand effects, suggesting that the magnetic anisotropy of the Mo-Mo quadruple bond is approximately -800 × 10 m molecule, challenging previous inflated estimates in the literature.
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