Liquid-phase adsorption of multi-ring thiophenic sulfur compounds on carbon materials with different surface properties

Article Abstract:

The effects of structural and surface properties of carbon materials on the adsorption of benzothiophene (BT), dibenzothiophene (DBT), 4-methyldibenzothiophene (4-MDBT) and 4,6-dimethyldibenzothiophene (4,6-DMDBT) are investigated in the presence of 10 wt % of aromatics in liquid alkanes that simulate sulfur compounds in diesel fuels. The high-adsorption capacity and selectivity for methyl DBTs show that certain activated carbons are promising adsorbents for selective adsorption for removing sulfur (SARS) as a new approach to ultra deep desulfurization of diesel fuels.

Carbon compounds, Atomic properties, Thiophene

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Enantioselective surface chemistry of R-2-bromobutane on [Cu[643].sup.R&S] and [Cu[531].sup.R&S]

Article Abstract:

The enantioselective surface chemistry of chiral R-2-bromobutane was studied on the naturally chiral [Cu[643].sup.R&S] and [Cu[531].sup.R&S] surfaces by comparing relative product yields during temperature-programmed reaction spectroscopy. The results represent the first quantitative observations of enantioselectivity in reactions with well-known mechanism probed using a simple adsorbate on naturally chiral metal surfaces.

Observations, Surface chemistry

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An ab initio investigation of the interactions involving the aromatic group of the set of fluorinated N-(4-sulfamylbenzoyl) benzylamine inhibitors and human carbonic anhydrase II

Article Abstract:

The interactions between the aromatic portion of the fluorinated n-(4-sulfamylbenzoyl)benzylamine (SBB) inhibitors and two residues of Human Carbonic Anhydrase II (HCAII)- Phe-131 and Pro-202 are studied. The structure of proteins is determined by the interactions between aromatic rings.

Aromatic compounds, Fluorine compounds, Carbonic anhydrase inhibitors, Report

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