Abstract
Features of the adsorption of phosphatidylcholine (PCh) by inorganic silicon-containing materials with various degrees of order (MCM-41, MMC-1, and silica gel) from solutions in hexane under equilibrium conditions in the temperature range of 283–323 K are considered. It is found that the adsorption of the phospholipid within the C e = (0.6–4.0) × 10–4 mmol/dm3 range of concentrations on the investigated materials is characterized by monomolecular absorption. Differential thermodynamic characteristics (ΔG, ΔH, and ΔS) of the sorption of PCh by silicon-containing materials with various degrees of order in the temperature range of 283–323 K are considered. An increase in the affinity of silicon-containing materials toward the phospholipid upon an increase in the temperature of the sorption process is observed.
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Original Russian Text © A.S. Askurava, L.A. Sinyaeva, N.A. Belanova, S.I. Karpov, V.F. Selemenev, F. Roessner, 2017, published in Zhurnal Fizicheskoi Khimii, 2017, Vol. 91, No. 6, pp. 1054–1059.
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Askurava, A.S., Sinyaeva, L.A., Belanova, N.A. et al. Effect of temperature on the adsorption of phosphatidylcholine by silicon-containing materials with various degrees of order. Russ. J. Phys. Chem. 91, 1121–1126 (2017). https://doi.org/10.1134/S0036024417060024
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DOI: https://doi.org/10.1134/S0036024417060024