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EnglishTraces of biological contaminants that cannot be detected, but are expected to be present, in ultra-pure water suffice to select the emerging chiral sign in the spontaneous mirror symmetry breaking that takes place during the formation of the J-aggregates of the amphiphilic diprotonated tetrakis-(4-sulfonatophenyl)porphyrin (H4TPPS42-). This is demonstrated by competition experiments with a chiral cationic surfactant. The sensitivity of the detection depends on the hierarchical control of the H4TPPS42- self-aggregation. Chirality 21:408-412, 2009. (C) 2008 Wiley-Liss, Inc.
| Titolo: | Chiral Sign Selection on the J-Aggregates of Diprotonated Tetrakis-(4-sulfonatophenyl)porphyrin by Traces of Unidentified Chiral Contaminants Present in the Ultra-Pure Water Used as Solvent |
| Autori interni: | |
| Data di pubblicazione: | 2009 |
| Rivista: | |
| Abstract: | Traces of biological contaminants that cannot be detected, but are expected to be present, in ultra-pure water suffice to select the emerging chiral sign in the spontaneous mirror symmetry breaking that takes place during the formation of the J-aggregates of the amphiphilic diprotonated tetrakis-(4-sulfonatophenyl)porphyrin (H4TPPS42-). This is demonstrated by competition experiments with a chiral cationic surfactant. The sensitivity of the detection depends on the hierarchical control of the H4TPPS42- self-aggregation. Chirality 21:408-412, 2009. (C) 2008 Wiley-Liss, Inc. |
| Handle: | http://hdl.handle.net/20.500.11769/240724 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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