NEUTRON REFLECTANCE STUDIES OF A NOVEL NONIONIC SURFACTANT AND MOLECULAR MODELING OF THE SURFACTANT VESICLES

被引:15
作者
BARLOW, DJ [1 ]
MA, G [1 ]
LAWRENCE, MJ [1 ]
WEBSTER, JRP [1 ]
PENFOLD, J [1 ]
机构
[1] RUTHERFORD APPLETON LAB,DIDCOT OX11 0RA,OXON,ENGLAND
关键词
D O I
10.1021/la00010a025
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Neutron specular reflectance studies of the monolayer formed at an air-liquid interface by a novel synthetic nonionic surfactant 1,2-di-O-octadecyl-rac-glycerol 3-(omega-methoxydodecakis(ethylene glycol) have been used to determine the structure of the monolayer as a function of surface pressure, in particular to obtain the surfactant area per molecule and the thickness and degree of hydration of the monolayer. The molecular area data were then employed in generating a computer model for the three-dimensional structure of the small unilamellar vesicles formed by the surfactant. Comparisons between the three-dimensional structures of the nonionic vesicles and those formed by the corresponding glycerophospholipid are discussed in the context of their applications as vehicles for drug delivery.
引用
收藏
页码:3737 / 3741
页数:5
相关论文
共 21 条
[1]   LIPOSOMES CONTAINING SYNTHETIC LIPID DERIVATIVES OF POLY(ETHYLENE GLYCOL) SHOW PROLONGED CIRCULATION HALF-LIVES INVIVO [J].
ALLEN, TM ;
HANSEN, C ;
MARTIN, F ;
REDEMANN, C ;
YAUYOUNG, A .
BIOCHIMICA ET BIOPHYSICA ACTA, 1991, 1066 (01) :29-36
[2]  
CHAUHAN S, 1992, THESIS LONDON
[3]   THE STRUCTURE OF MICELLES AND MICROEMULSIONS [J].
CHEVALIER, Y ;
ZEMB, T .
REPORTS ON PROGRESS IN PHYSICS, 1990, 53 (03) :279-371
[4]   TEMPERATURE-DEPENDENCE OF THE SIZE OF PHOSPHOLIPID-VESICLES [J].
CORNELL, BA ;
FLETCHER, GC ;
MIDDLEHURST, J ;
SEPAROVIC, F .
BIOCHIMICA ET BIOPHYSICA ACTA, 1981, 642 (02) :375-380
[5]   THE USE OF CONTRAST VARIATION IN THE SPECULAR REFLECTION OF NEUTRONS FROM INTERFACES [J].
CROWLEY, TL ;
LEE, EM ;
SIMISTER, EA ;
THOMAS, RK .
PHYSICA B, 1991, 173 (1-2) :143-156
[6]   DIFFERENTIAL SCANNING CALORIMETRY AND P-31 NMR-STUDIES ON SONICATED AND UNSONICATED PHOSPHATIDYLCHOLINE LIPOSOMES [J].
DEKRUIJFF, B ;
CULLIS, PR ;
RADDA, GK .
BIOCHIMICA ET BIOPHYSICA ACTA, 1975, 406 (01) :6-20
[7]   APPARENT MOLAR VOLUMES FOR AQUEOUS-SOLUTIONS OF THE HOMOLOGOUS SERIES OF ALPHA-DODECYL-OMEGA-HYDROXYPOLY(OXYETHYLENE) SURFACTANTS, C12EO4, C12EO5, C12EO6, C12EO8 AND C12EO12 AND OF C10EO6 [J].
HERRINGTON, TM ;
SAHI, SS ;
LENG, CA .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS I, 1985, 81 :2693-2702
[8]  
HUNTER RJ, 1987, F COLLOID SCI, V1, pCH8
[9]   THEORY OF SELF-ASSEMBLY OF HYDROCARBON AMPHIPHILES INTO MICELLES AND BILAYERS [J].
ISRAELACHVILI, JN ;
MITCHELL, DJ ;
NINHAM, BW .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS II, 1976, 72 :1525-1568
[10]   VESICA - COMPUTER-GRAPHICS MODELING OF LIPID VESICLES [J].
LAWRENCE, SM ;
LAWRENCE, MJ ;
BARLOW, DJ .
JOURNAL OF MOLECULAR GRAPHICS, 1991, 9 (04) :218-&