Solvation dynamics of DCM in a DPPC vesicle entrapped in a sodium silicate derived sol-gel matrix

Article Abstract:

The solvation dynamics of 4-(dicyanomethylene)-2methyl-6(p-dimethylaminostyryl) 4H-pyran (DCM) inside a dipalmitoyl-phosphatidyaholine (DPPC) entrapped sodium silicate sol-gel matrix is different from that in DPPC lipid vesicles in bulk water or DMPC entrapped in a tetraethyl orthosilicate (TEOS) derived sol-gel matrix. The anisotropy decay of DCM in DPPC vesicles in bulk water and sol-gel glass is strongly biexponential.

Potassium & Sodium Compounds, Sodium & Sodium Compounds, Chemistry, Physical and theoretical, Physical chemistry, Chemical reactions, Sodium compounds

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Uracil adsorbed on Si (001): structure and energetic

Article Abstract:

The adsorption of uracil on the Si (001) surface was investigated by density-functional theory calculations using a plane-wave basis in conjunction with ultrasoft pseudopotentials. It is found that among the structures investigated, the oxygen insertion into Si surface dimmers is energetically most favored.

Adsorption, Density functionals, Density functional theory, Structure

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