Abstract
A vesicle forming polymer, poly(sodium acrylamidoundecanoate) (PSAU) and a water-soluble distyryl-benzene-based fluorophore, TPADSB-C were synthesized and characterized by using UV-vis and photoluminescence (PL) spectroscopy. An inter-chain vesicle formation of PSAU was observed at -0.01 g/L from N-phenyl naphthylamine fluorescence measurement with changing PSAU concentration in water. Above critical aggregation concentration of PSAU, optical properties of TPADSB-C were investigated to study the microenvironment modulation through dye incorporation in the polymeric vesicle. The emission of TPADSB-C in the presence of PSAU vesicles was blue-shifted and the PL quantum efficiency was increased to 90% due to the microenvironment (e.g. polarity) change in aqueous solution. This study shows that the polymeric vesicle containing molecular fluorophores has a great potential as an efficient, stable and biocompatible labeling tag in biological cell imaging.
| Original language | English |
|---|---|
| Pages (from-to) | 513-519 |
| Number of pages | 7 |
| Journal | Journal of the Korean Chemical Society |
| Volume | 51 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 2007 Dec 20 |
| Externally published | Yes |
Keywords
- Distyrylbenzene
- Fluorescence
- Microenvironment
- Vesicle
- Water-soluble chromophore
ASJC Scopus subject areas
- Chemistry (miscellaneous)
- Chemical Engineering (miscellaneous)