| abstract |
[PROBLEMS] To be used in the same amount of addition as normal phospholipid PEG, to increase the hydration layer on the surface of lipid vesicles, and to improve the stability of lipid vesicles, And providing the novel lipid derivative which can be manufactured simply. A lipid derivative containing a residue of a compound selected from glucamine, N-methylglucamine, gluconic acid and glucoheptonic acid is used. [Selection figure] None |