Sol–gel selection of hybrid G-quadruplex architectures from dynamic supramolecular guanosine libraries
作者:Simona Mihai、Yann Le Duc、Didier Cot、Mihail Barboiu
DOI:10.1039/c0jm01248c
日期:——
We report an original strategy to transcribe and to fix the self-assembly of G-quadruplex architectures in self-organized nanohybrids. In the first resolution step the G-quartet is pre-amplified in solution in the presence of metal cations from a dynamic pool of ribbon-type or cyclic supramolecular architectures. Then in a second selection solâgel step the G-quadruplex is irreversibly fixed in a siloxane inorganic network. The interface between the guanosine moiety and the heterosiloxane 3 is based on a double reversible covalent iminoboronate connection. This contributes to the high levels of adaptability and correlation in the self-organization of the supramolecular G-quadruplex and the inorganic siloxane systems. Biomimetic-type hybrids can be generated by using this strategy.
我们报告了一种在自组织纳米混合物中转录和固定 G 型四联结构自组装的原创策略。第一步,在金属阳离子存在的溶液中,从动态的带状或环状超分子结构库中预先扩增 G-四联体。然后,在第二个选择溶胶步骤中,G-四联体被不可逆地固定在硅氧烷无机网络中。鸟苷分子和异硅氧烷 3 之间的界面是基于双可逆共价亚氨基硼酸连接。这使得超分子 G-四链体和无机硅氧烷系统的自组织具有高度的适应性和相关性。利用这种策略可以生成仿生型混合物。