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Antibiotic-phospholipid interactions as studied by DSC and X-ray diffraction

Article Abstract:

The interactions of the antibiotic lasalocid as sodium salt with dipalmitoylphosphatidylcholine multilayers were examined in aqueous buffer for antibiotic/lipid molar ratios ranging from 0 to 0.12. The study was conducted both by X-ray diffraction as a function of temperature and by differential enthalpimetry. The effect of the antibiotic on the structural arrangement of the phospholipid bilayers was found to be concentration dependent.

Antibiotics, Phospholipids

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Structure of hydrous ruthenium oxides: implications for charge storage

Article Abstract:

A study was conducted to characterize the structure of a mixed electron-proton conductor with specific capacitance called hydrous ruthenium oxide. Analysis of data gathered from thermogravimetric analysis, X-ray diffraction and X-ray absorption spectroscopy revealed that the local structures of the hydrous ruthenium oxides affect their electrochemical properties, particularly those that allow them to store energy.

Analysis, Extended X-ray absorption fine structure, Metallic oxides, Metal oxides, Thermogravimetry, Ruthenium

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