IV　Graphical　Abstract　I　Generalization　of　Surface　State　Equation　for　Phospholipid　Monolayer　YAO,　Ya-Li;　ZENG,　Zuo-Xiang*;　XUE,　Wei-Lan;　HUANG,　Shun-De　Acta　Chimica　Sinica　2005,　63(21),　1939　The　relation　between　the　molar　fraction　of　LC　state　molecules　xc　and　the　reduced　molecular　area　Ar　has　been　investigated.　The　curves　of　xc　versus　Ar　for　1,2-dipalmitoyl-sn-glycero-3-phos-　phocholine　DPPC　monolayer　at　different　temperature　are　linear　and　every　line　gets　across　the　same　spot,　so　that　the　relation　expression　of　xc　and　Ar　can　be　obtained.　Investigation　of　Microstructure　of　Colloi-　dal　Liquid　Aphrons　YAN,　Yong-Li*;　ZHANG,　Ning-Sheng;　QU,　Cheng-Tun;　LIU,　Li;　LI,　Bian-Qin　Acta　Chimica　Sinica　2005,　63(21),　1944　The　microstructure　of　colloidal　liquid　aphrons　(CLA)　composed　of　polyoxyethylene　3　dodecyl　ether/n-decane/sodium　dodecyl　sulphate/water　was　visualized　by　freeze　fracture　transmission　electron　microscopy.　The　freeze　fracture　of　the　CLA　presented　many　spherical　or　close　to　spherical　(r