< Topic >At simpler manner, at the same time at milder condition, offer the hydrogel formation possible hydrogel formation material.SolutionsAre displayed with the below-mentioned formula (1) it contains with chemical compound and its similar chemical compound or consist of at least the kind inside those pharmacy active salts the lipid peptide die gelatinizer and the water and the organicity Acid or consists of the additive which either of the organicity acid chloride, the hydrogel formation material and from that the hydrogel which is obtained.(In formula, R1 the carbon atom several displays the aliphatic basis of 9 or 23, R2 the hydrogen atom or the carbon atom several the carbon atom which can possess the branching chain of 1 or 2 several displays the alkyl group of 1 or 4, R3 - (CH2) displays the nX basis, n displays the quantity of 1 or 4, X the amino group, the guanidino basis, the conh2 basis, or the nitrogen atom displays the fused heterocycle which is formed from the five-membered ring or 6 membered-rings or the five-membered ring and 6 membered-rings which 1 or 3 characteristics it can do.)< Choice figure >It is not【課題】より簡便な方法にて、且つより温和な条件にて、ヒドロゲル形成可能なヒドロゲル形成材料を提供すること。【解決手段】下記式(1)で表される化合物及びその類似化合物又はそれらの薬学的に使用可能な塩のうちの少なくとも一種からなる脂質ペプチド型ゲル化剤と、水と、有機酸又は有機酸塩のいずれかからなる添加剤とを含有する、ヒドロゲル形成材料並びにそれより得られるヒドロゲル。(式中、R1は炭素原子数9乃至23の脂肪族基を表し、R2は水素原子、又は炭素原子数1若しくは2の分枝鎖を有し得る炭素原子数1乃至4のアルキル基を表し、R3は-(CH2)n-X基を表し、nは1乃至4の数を表し、Xはアミノ基、グアニジノ基、-CONH2基、又は窒素原子を1乃至3個有し得る5員環若しくは6員環又は5員環と6員環から構成される縮合複素環を表す。)【選択図】なし
