Author: Marilena Vasilescu

0000000000924057

AUTHOR

Marilena Vasilescu

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Micropolarity and Order in the Reverse Micelles of L62 and L64 Pluronic Copolymers, As Studied by Molecular Probe Techniques

1998

The reverse micelles of triblock copolymers poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) EO6PO36EO6 (Pluronic L62) and EO13PO30EO13 (Pluronic L64) in ternary (copolymer/o-xylene/water) and binary (copolymer/water) systems with different water contents were evidenced and investigated by fluorescence, absorption, and spin probe techniques. The spectral parameters of the polarity sensitive probes, 1-anilinonaphthalene-8-sulfonic acid (ANS), dansylhexadecylamine (Dansyl), pyrenesulfonic acid (PSA), 4-nitropyridine N-oxide (NP) and 4-(N,N‘-dimethyl-N-alkyl)ammonium 2,2‘,6,6‘-tetramethylpiperidine-1-oxyl iodide (CAT n), were related to the local hydration and polari…

chemistry.chemical_classificationEthylene oxideIodideAnalytical chemistryPoloxamerMicelleSurfaces Coatings and FilmsSpin probechemistry.chemical_compoundchemistryMaterials ChemistryCopolymerPropylene oxidePhysical and Theoretical ChemistryAbsorption (chemistry)The Journal of Physical Chemistry B

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PEPhysical Sciences and Engineering
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LSLife Sciences
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