About: Fluorescence study of the solvation of fluorescent probes prodan and laurdan in poly(epsilon-caprolactone)-block-poly(ethylene oxide) vesicles in aqueous solutions with tetrahydrofurane     Goto   Sponge   NotDistinct   Permalink

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  • Práce se zabývá studiem florescence na solvataci fluorescentního čidla prodan a laurdan v bublinách poly(.epsilon.-kaprolakton)-block-poly(ethylen oxidu) ve vodním roztoku s tetrahydrofuranem. (cs)
  • Steady-state and time-resolved fluorescence measurements were used to study the relaxation of the microenvironment of hydrophobic probes 6-propionyl-2-(dimethylamino)naphthalene (prodan) and 6-dodecanoyl-2-(dimethylamino)naphthalene (laurdan) in systems containing vesicles formed by the amphiphilic diblock copolymer poly(E-caprolactone)block-poly (ethylene oxide) (PCL-PEO) and water/tetrahydrofurane (THF) solvent mixtures. It was found that in case of prodan, both steady-state and time-resolved emission spectra were composed of two subspectra corresponding to the emission of prodan molecules located (i) in fairly rigid (effectively viscous) and hydrophobic domains of the vesicles close to the PCL/PEO interface and (ii) in a more polar and less viscous medium (in the bulk solution). The fraction of the emission from the more polar microenvironment increases with increasing content of THF in the system.
  • Steady-state and time-resolved fluorescence measurements were used to study the relaxation of the microenvironment of hydrophobic probes 6-propionyl-2-(dimethylamino)naphthalene (prodan) and 6-dodecanoyl-2-(dimethylamino)naphthalene (laurdan) in systems containing vesicles formed by the amphiphilic diblock copolymer poly(E-caprolactone)block-poly (ethylene oxide) (PCL-PEO) and water/tetrahydrofurane (THF) solvent mixtures. It was found that in case of prodan, both steady-state and time-resolved emission spectra were composed of two subspectra corresponding to the emission of prodan molecules located (i) in fairly rigid (effectively viscous) and hydrophobic domains of the vesicles close to the PCL/PEO interface and (ii) in a more polar and less viscous medium (in the bulk solution). The fraction of the emission from the more polar microenvironment increases with increasing content of THF in the system. (en)
Title
  • Fluorescence study of the solvation of fluorescent probes prodan and laurdan in poly(epsilon-caprolactone)-block-poly(ethylene oxide) vesicles in aqueous solutions with tetrahydrofurane
  • Fluorescence study of the solvation of fluorescent probes prodan and laurdan in poly(epsilon-caprolactone)-block-poly(ethylene oxide) vesicles in aqueous solutions with tetrahydrofurane (en)
  • Studium florescence na solvataci fluorescentního čidla prodan a laurdan v bublinách poly(.epsilon.-kaprolakton)-block-poly(ethylen oxidu) ve vodním roztoku s tetrahydrofuranem (cs)
skos:prefLabel
  • Fluorescence study of the solvation of fluorescent probes prodan and laurdan in poly(epsilon-caprolactone)-block-poly(ethylene oxide) vesicles in aqueous solutions with tetrahydrofurane
  • Fluorescence study of the solvation of fluorescent probes prodan and laurdan in poly(epsilon-caprolactone)-block-poly(ethylene oxide) vesicles in aqueous solutions with tetrahydrofurane (en)
  • Studium florescence na solvataci fluorescentního čidla prodan a laurdan v bublinách poly(.epsilon.-kaprolakton)-block-poly(ethylen oxidu) ve vodním roztoku s tetrahydrofuranem (cs)
skos:notation
  • RIV/61388955:_____/08:00315669!RIV09-AV0-61388955
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA400400503), P(IAA401110702), Z(AV0Z40400503), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 368240
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/08:00315669
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • block-copolymer micelles; solvent relaxation; dynamics (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [96EF97081496]
http://linked.open...i/riv/nazevZdroje
  • Langmuir
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 24
http://linked.open...iv/tvurceVysledku
  • Hof, Martin
  • Procházka, K.
  • Štěpánek, M.
  • Humpolíčková, Jana
  • Šachl, R.
http://linked.open...ain/vavai/riv/wos
  • 000251916100043
http://linked.open...n/vavai/riv/zamer
issn
  • 0743-7463
number of pages
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