The present invention offers a novel asymmetric double-headed lipid capable of forming a stable, nanometer scale micro-tubular aggregated material of containing a sugar and a carboxylic acid at each end.
The present invention is an asymmetric double-headed lipid represented by the general formula
R—NHCO—(CH
2
)
n
—COOH (I)
(in the formula, R represents an aldopyranose radical from which the terminal reducing hydroxyl group is excluded and n is from six to twenty) and a hollow micro-tubular aggregated material formed from the asymmetric double-headed lipid. The external diameter of the micro-tubular aggregated material is 10-300 nm, and the length is 0.3-10 &mgr;m. The micro-tubular aggregated material can be manufactured by dispersing the asymmetric double-headed lipid described above in water at pH of two to eight, next heating to 80-100° C. to dissolve it and then gradually cooling the aqueous solution obtained.
本发明提供了一种新型的不对称双头脂质,能够形成稳定的、纳米尺度的微管聚集物,每个末端含有一种糖和一种
羧酸。本发明是一种由通式R—NHCO—(
CH2)n—COOH表示的不对称双头脂质(在公式中,R代表一个去除末端还原羟基的醛基
吡喃糖基团,n为6至20),以及由不对称双头脂质形成的中空微管聚集物。微管聚集物的外径为10-300纳米,长度为0.3-10微米。可以通过在pH为2至8的
水中分散上述不对称双头脂质,然后加热至80-100°C以溶解它,最后逐渐冷却所得到的
水溶液来制造微管聚集物。