| 摘要 |
PROBLEM TO BE SOLVED: To provide an alternative strategy for enhancing transport of a high molecular weight which traverses SC.SOLUTION: The invention relates to a microneedle including plural portions, including a distal end portion and a proximal end portion, in which, at least two portions out of the plural portions are made of different polymers, and the distal end portions are made of at least one kind polymer including high swell property and high visco-elasticity.SELECTED DRAWING: Figure 8 |
