作者:Yan Xiao、Jiaxiao Zhang、Meidong Lang
DOI:10.1002/pola.28954
日期:2018.4.1
dynamic, biological environments. Here, two derivatives from thymine (T), that is N‐[2‐(3,4‐Dihydro‐5‐methyl‐2,4‐dioxo‐1(2H)‐pyrimidinyl)acetyl]‐L‐phenylalanine (T‐phe) and N‐(2‐Aminoethyl)‐3,4‐dihydro‐5‐methyl‐2,4‐dioxo‐1(2H)‐pyrimidineacetamide (T‐NH2) were synthesized. Then the optimal condition for self‐assembly of T‐phe and T‐NH2 driven by melamine (M) was explored. It was observed that M/T kept
水溶性超分子聚合物,特别是由生物分子组成的聚合物,非常适合构建可以模仿动态生物环境或与之相互作用的新型生物材料。此处是胸腺嘧啶(T)的两个衍生物,即N- [2-(3,4-二氢-5-甲基-2,4-二氧代-1(2H)-嘧啶基)乙酰基] -L-苯丙氨酸(T- phe)和N-(2-氨基乙基)-3,4-二氢-5-甲基-2-,4-二氧代-1(2H)-嘧啶乙酰胺(T-NH 2)。然后探讨了三聚氰胺(M)驱动T-phe和T-NH 2自组装的最佳条件。观察到M / T保持在1:3,T-phe和T-NH 2相等在中性环境下,长纤维(> 1μm)具有极高的长径比,这表明可以通过氢键有效地安排静电和π堆积相互作用,从而指导分层组装。此外,由于原纤维缠结,水凝胶由T-phe,T-NH 2和M的浓溶液自发产生。鉴于其仿生特性和高效的自组装过程,这种由四聚体结构堆叠的超分子聚合物代表了新颖的生物灵感材料的创新概念和途径。©2018