Versatile Supramolecular Organogel with Outstanding Stability toward Aqueous Interfaces
2014
Bonifazi, Evelyn L. | Edelsztein, Valeria C. | Menéndez, Guillermo O. | Samaniego López, Cecilia | Spagnuolo, Carla C. | Di Chenna, Pablo H.
In this communication, we report on a novel and versatile low-molecular-weight organogelator. The methanolic gel exhibits an exceptional water-enhanced stability as evidenced by a 30 °C increase in Tg with up to 10%v/v of water. This atypical property not observed with other solvents makes of this supramolecular gel a highly stable matrix compatible with aqueous interfaces. As a proof of principle we present the sensing performance of a symmetric tricarbocyanine fluorophore bearing a Zn(II)chelator unit. The system retained its remarkable physical integrity for a long period of time opening new possibilities for other organic–aqueous interface applications.
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