POLYELEOSTEARIC ACID VESICLES

α-Eleostearic acid and β-eleostearic acid formed vesicles in aqueous medium when an ethanol solution of eleostearic acid was injected rapidly into a vigorously vortexed aqueous phase. Formation of the vesicles was demonstrated by electron microscopic observation and bromothymol blue encapsulation experiments. Polymerizations of the eleostearic acids in the formed vesicles carried out by UV irradiation produced poly-α-eleostearic acid and poly-β-eleostearic acid vesicles.     

萘在盐水溶液中活度系数的研究

本文用紫外可见分光光度法测定了25℃下萘在NaNo3、NaClO3、(NH4)sSO4、Na2SO4、K2SO4、SrCl2、BaCl2和MgSO4八种盐的水溶液中的活度系数, 所作Logf-c, 图均为通过原点的直线, 符合Setschenow盐效应经验公式。计算了Debye-McAulayhe7 Cenway-Dcsnoyers-Smith静电作用理论值, Masterton-Lee定标粒子理论值以及改进前后的MeDevit-Long内压力理论值, 并将它们和实验值进行比较, 证实了改进的内压力理论计算值比其它理论计算值更加符合实际;同时再一次证明了黄子卿提出的Van der Waals力盐效应机构的正确性。