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AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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STUDIA CHEMIA - Ediţia nr.1-2 din 2000 | |||||||
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INTERACTION OF PROCAINE WITH BIOMEMBRANES. Autori: JANOS ZSAKO, MARIA TOMOAIA-COTIÅžEL, AURORA MOCANU. |
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Rezumat: Compression isotherms of stearic acid (SA), dipalmitoyl phosphatidylcholine (DPPC), distearoyl phosphatidylcholine (DSPC) and of cholesterol (C) monolayers, as well as of mixed DPPC and C films have been recorded both in the absence and the presence of procaine. The penetration of procaine molecular species from the aqueous subphase into the lipid monolayers has been studied. By using Gibbs’ equation, penetration numbers were derived from compression isotherms. Results are discussed in terms of molecular conformations, hydrophilic and hydrophobic interactions, allowing an insight into the molecular mechanism of procaine binding and penetration into the insoluble lipid monolayers studied. | |||||||
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