Synthesis and Single-Molecule Studies of a Well-Defined Biomimetic Modular Multidomain Polymer Using a Peptidomimetic β-Sheet Module
作者:Jason T. Roland、Zhibin Guan
DOI:10.1021/ja0448871
日期:2004.11.1
and elasticity, a new class of well-defined modular polymers has been synthesized, and their nanomechanical properties have been studied using atomic force microscopy. These polymers are based on a peptidomimetic beta-sheet-based double-closed loop (DCL) module, which was designed to overcome the limitation of the modular polymers we reported previously (J. Am. Chem. Soc. 2004, 126, 2059). Single-molecule
为了追求兼具强度、韧性和弹性的先进生物材料,人们合成了一类新的定义明确的模块化聚合物,并使用原子力显微镜研究了它们的纳米力学性能。这些聚合物基于基于拟肽β-折叠的双闭环 (DCL) 模块,该模块旨在克服我们之前报道的模块化聚合物的局限性 (J. Am. Chem. Soc. 2004, 126, 2059) . 单分子力扩展实验表明,随着聚合物被拉伸,这些模块会依次展开,从而产生更规则的锯齿状曲线,类似于在肌动蛋白和其他生物聚合物中看到的曲线。单分子数据与计算机建模非常吻合,