39 Amphiphile Induced Release of Ionic Dyes From Hydrophobic Nanopores

Wednesday, November 4, 2009
Ballroom A+B (Camino Real Hotel)
Ricky Perera , Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM
Dr. Sergie Smirnov , Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM
Jessica Curtis , Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM
Hydrophobic nanopores can be loaded with various dyes including ionic
using low surface tension solvents. The dye stays inside the nanopores
indefinitely but its release can be triggered by amphiphilic solutes at
concentrations above their critical micellar concentration (cmc). Kinetics
of such release is investigated for different combinations of the
amphiphile and dye charges in nanopores of different lengths in order to
elucidate the importance of the surface charge effect on the rate of
release.
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