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Microenvironment Sensing of Block Copolymer Micelles by Fluorescence Spectroscopy

✍ Scribed by Peter A. Martic; Mridula Nair


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
101 KB
Volume
163
Category
Article
ISSN
0021-9797

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✦ Synopsis


Micelle formation of poly[styrene-b-(4-vinylphenol)] diblock was studied in a (80 / 20) water/dimethyl sulfoxide (\left(\mathrm{H}_{2} \mathrm{O} /\right.) DMSO) solvent mixture using fluorescence spectroscopy with pyrene as the probe. The ratio of first and third emission peaks of pyrene changed significantly as micellar aggregation occurred upon increasing the copolymer concentration. Micellization occurred at ca. (13.8 \mathrm{mg} /) liter in this solvent mixture. @ 1994 Academic Press, Inc.


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