| NaCl、KCl、Na_2CO_3、K_2CO_3等电解质溶液对含水卵磷脂液晶结构影响的SAXS研究 |
| |
| 引用本文： | 姚松年,曹连欣.NaCl、KCl、Na_2CO_3、K_2CO_3等电解质溶液对含水卵磷脂液晶结构影响的SAXS研究[J].物理化学学报,1991(1). |
| |
| 作者姓名： | 姚松年 曹连欣 |
| |
| 作者单位： | 武汉大学分析测试中心
(姚松年)，武汉大学分析测试中心(曹连欣) |
| |
| 摘 要： | 关于电解质溶液对卵磷脂液晶结构的影响前人有过报导。例如Chapman和G. Shiply等在研究碱金属氯化物对卵磷脂液晶结构的影响时指出:随着Li~ 到Cs~ 离子半径增加,脂双层的厚度也发生相应变化。Plainer等也指出KCI,NaCl溶液使磷脂层厚度发生变化。关于磷脂蛋白复合膜与Na~ ,K~ 、Ca~(2 )离子的作用也有一些报导。本文报导用小角X射线散射(SAXS)方法研究几种电解质溶液对卵磷脂形成液晶结构的影响。
|
| 关 键 词： | 卵磷脂 液晶结构 小角X射线散射 |
SAXS STUDIES OF THE STRUCTURE OF LIQUID CRYSTAL 5%H_2O-PC IN SOLUTIONS OF NaCl, KCl, Na_2CO_3, K_2CO_3 |
| |
| Yao Songnian Cao Lianxin.SAXS STUDIES OF THE STRUCTURE OF LIQUID CRYSTAL 5%H_2O-PC IN SOLUTIONS OF NaCl, KCl, Na_2CO_3, K_2CO_3[J].Acta Physico-Chimica Sinica,1991(1). |
| |
| Authors: | Yao Songnian Cao Lianxin |
| |
| Abstract: | This paper describs the structural character of liquid-crystal of 5%H_2O-egg yolk phospholipid (PC) containing in avarious salt's solution, the layer distance was determined by means of SAXS method. Experimental results show that the layer distance of liquid crystal phase is increased in the 5%H_2O-PC system as the amount of solution of NaCl or KCl is increased. But on the addition of Na_2CO_3 or K_2CO_3 solution into the 5%H_2O-PC system the layer distance of liquid-crystal phase is held constant. It is considered that Na_2CO_3 or K_2CO_3, might be hydrolyzed producing Ollions, so that the latter could stablize the interfacial potential between water and egg yolk phospholipid. Absence of this behavior for solution of NaCl or KCl might be due to NaCl and KCl are salts which formed by strong acids and strong bases. |
| |
| Keywords: | Egg yolk phospholipid Structure of liquid-crystal Small angle X-ray scattering |
| 本文献已被 CNKI 等数据库收录！ |
