1. Novel PEGylated calix[5]arenes as carriers for Rose Bengal
- Author
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Lucia Barbera, Giuseppe Gattuso, Ilenia Pisagatti, Salvatore Patanè, Anna Notti, and Melchiorre F. Parisi
- Subjects
010405 organic chemistry ,Chemistry ,General Chemistry ,010402 general chemistry ,01 natural sciences ,Micelle ,0104 chemical sciences ,Calixarenes, Rose Bengal, drug carrier, micelles, PEG ,chemistry.chemical_compound ,Calixarene ,PEG ratio ,Polymer chemistry ,Amphiphile ,Rose bengal ,Drug carrier - Abstract
Amphiphilic PEGylated calix[5]arenes 1 and 2 were obtained in one step from the parent p-tert-butylcalix[5]arene and p-methylcalix[5]arene. Very low critical micellar concentrations (0.5 and 4.5 μM for 1 and 2 respectively) were determined by the Rose Bengal micellization method. Aggregation features were studied by means of 1H and DOSY NMR as well as by AFM. Release of Rose Bengal from the micellar environment was accomplished by increasing the temperature.
- Published
- 2018
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