European Science Foundation EURYIWe present in this paper a new strategy to transcribe the supramolecular dynamic self-organization of the G-quadruplex and ureidocrown ether ion channel-type columnar architectures in constitutional hybrids. In particular, the use of a "dynamic reversible hydrophobic interface'' can render the emerging hybrid mesophases self-adaptive. The reversible hydrophobic interactions allow both supramolecular and inorganic silica components to mutually (synergistically) adapt their spatial constitution during simultaneous (collective) formation of micrometric self-organized hybrid domains. More generally, applying such consideration to materials, leads to the definition of constitutional hybrid materials, in which organic (supramolecular)/inorganic domains are reversibly connected. This might provide new insights into the features that control the design of functional materials
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 sol-gel 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.
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