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Surface sticking and lateral diffusion of lipids in supported bilayers

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F06%3A00043204" target="_blank" >RIV/61388955:_____/06:00043204 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Surface sticking and lateral diffusion of lipids in supported bilayers

  • Original language description

    The diffusion of fluorescently labeled lipids in supported bilayers is studied using two different methods: Z-scan fluorescence correlation spectroscopy (z-scan FCS) and two-focus fluorescence correlation spectroscopy (2f-FCS). It is found that the datacan be fitted consistently only when taking into account partial sticking of the labeled lipids to the supporting glass surface. A kinetic reaction-diffusion model is developed and applied to the data. We find a very slow sticking rate which, however, when neglected, leads to strongly varying estimates of the free diffusion coefficient. The study reveals a strong sensitivity of FCS on even slight binding/unbinding kinetics of the labeled molecules, which has significance for related diffusion measurements in cellular lipid membranes.

  • Czech name

    Povrchové ulpívání a laterální difúze lipidů v podporovaných dvojvrstvách

  • Czech description

    Difůze fluorescenčně značených lipidů byla sledována pomocí ?Z-scans fluorescnční korelační spektroskopie? a dvou ohniskové fluorescenční korelační spektroskopie. Z naměřených dat je patrné ulpívání molekul lipidu na povrchu. Tento proces je velmi pomalý, nicméně jeho zanedbání vede ke zkresleným hodnotám difůzního koeficientu.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA203%2F05%2F2308" target="_blank" >GA203/05/2308: Understanding, control, and preparation of self-assembling biomembrane systems at interfaces</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Langmuir

  • ISSN

    0743-7463

  • e-ISSN

  • Volume of the periodical

    22

  • Issue of the periodical within the volume

    22

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    6

  • Pages from-to

    9339-9344

  • UT code for WoS article

  • EID of the result in the Scopus database