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Hydrophobic nanodomains in hyaluronan-surfactant system: a fluorescence anisotropy study

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F16%3APU123867" target="_blank" >RIV/00216305:26310/16:PU123867 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Hydrophobic nanodomains in hyaluronan-surfactant system: a fluorescence anisotropy study

  • Original language description

    This paper deals with the fluorescence anisotropy study of hydrophobic nanodomains formed by interaction between hyaluronan (Hya) and cationic surfactant cetyltrimethylammonium bromide (CTAB) below critical micelle concentration in aqueous solution and the effect of sodium chloride addition to this system. Hyaluronan as negatively charged polyelectrolyte can interact with cationic surfactants via electrostatic interactions to form aggregates, which could be potential used for targeted drug delivery. Two fluorescent probes, which are solubilized in hydrophobic region, were used – perylene and diphenylhexatrien (DPH). The emission spectra, total intensity of fluorescence and steady-state anisotropy of fluorescence in the samples were measured. It was observed that initial addition of CTAB to hyaluronan aqueous solution leads to forming some small hydrophobic domains linked to hyaluronan chains. Then an increasing concentration of CTAB causes phase separation and formation of a condensed phase. Addition of sodium chloride to the samples leads to reorganization of this system – the condensed phase is dissolved and probably free micelles (possibly mixture of micelle linked to hyaluronan chain with free micelle) are formed in the solution.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10403 - Physical chemistry

Result continuities

  • Project

    <a href="/en/project/LO1211" target="_blank" >LO1211: Materials Research Centre at FCH BUT- Sustainability and Development</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    NANOCON 2016 Conference Proceedings

  • ISBN

    978-80-87294-71-0

  • ISSN

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    444-448

  • Publisher name

    TANGER Ltd.

  • Place of publication

    Ostrava

  • Event location

    Brno

  • Event date

    Oct 19, 2016

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000410656100078