We designed and synthesized a new porphyrin-spermine derivative that self-assembles under hierarchical control. Its aggregation processes depend on the protonation of both the spermine units and central core nitrogen atoms. Therefore, the time duration of pH titrations and/or the direct protonation of a specific site allow for choosing the desired aggregation state of the system.
Hierarchically controlled protonation/aggregation of a porphyrin-spermine derivative
RANDAZZO, ROSALBA;FRAGALA', Maria Elena;TOMASELLI, Gaetano;BALLISTRERI, Francesco Paolo;PAPPALARDO, ANDREA;TOSCANO, Rosa Maria;TRUSSO SFRAZZETTO, GIUSEPPE;PURRELLO, Roberto;D'URSO, ALESSANDRO
2015-01-01
Abstract
We designed and synthesized a new porphyrin-spermine derivative that self-assembles under hierarchical control. Its aggregation processes depend on the protonation of both the spermine units and central core nitrogen atoms. Therefore, the time duration of pH titrations and/or the direct protonation of a specific site allow for choosing the desired aggregation state of the system.File in questo prodotto:
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