Effect of temperature on the adsorption of phosphatidylcholine by silicon-containing materials with various degrees of order

被引：1

作者：

Askurava, A. S. ^{[1
]}

Sinyaeva, L. A. ^{[1
]}

Belanova, N. A. ^{[1
]}

Karpov, S. I. ^{[1
]}

Selemenev, V. F. ^{[1
]}

Roessner, F. ^{[2
]}

机构：

[1] Voronezh State Univ, Dept Chem, Voronezh 394018, Russia

[2] Carl von Ossietzky Univ Oldenburg, Inst Chem, Dept Math & Nat Sci, Chem Technol 2, D-26111 Oldenburg, Germany

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2017年 / 91卷 / 06期

关键词：

phosphatidylcholine; adsorption; temperature; MCM-41; SORPTION; MCM-41; (+)-CATECHIN; SEPARATION; QUERCETIN;

D O I：

10.1134/S0036024417060024

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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) x 10(-4) mmol/dm(3) range of concentrations on the investigated materials is characterized by monomolecular absorption. Differential thermodynamic characteristics (Delta G, Delta H, and Delta S) 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.

引用

页码：1121 / 1126

页数：6

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