作者:Eun-Kyoung Bang、Giulio Gasparini、Guillaume Molinard、Aurélien Roux、Naomi Sakai、Stefan Matile
DOI:10.1021/ja311961k
日期:2013.2.13
applied to grow cell-penetrating poly(disulfide)s directly on substrates of free choice. Reductive depolymerization after cellular uptake should then release the native substrates and minimize toxicity. In the presence of thiolated substrates, propagators containing a strained disulfide from asparagusic or, preferably, lipoic acid and a guanidinium cation polymerize into poly(disulfide)s in less than
表面引发聚合的经验应用于直接在自由选择的基材上生长细胞穿透性聚(二硫化物)。细胞摄取后的还原性解聚应该释放天然底物并将毒性降至最低。在硫醇化底物存在的情况下,含有来自芦笋或优选硫辛酸的应变二硫化物和胍鎓阳离子的增殖剂在室温和 pH 7 下在不到 5 分钟内聚合成聚(二硫化物)。阳离子聚的底物引发的聚合(二硫化物)及其与二硫苏糖醇的解聚导致荧光囊泡中运输活性的出现和消失。凝胶渗透色谱法和荧光共振能量转移进一步表征了相同的过程。