Polyelectrolyte-coated liquid crystal droplets for detecting charged macromolecules

    Authors

    T. Bera;J. Y. Fang

    Comments

    Authors: contact us about adding a copy of your work at STARS@ucf.edu

    Abbreviated Journal Title

    J. Mater. Chem.

    Keywords

    SELF-ASSEMBLED MONOLAYERS; OPTICAL AMPLIFICATION; ORDERING TRANSITIONS; EMULSIONS; SURFACES; IMMUNOASSAYS; INTERFACES; DENDRIMERS; ALIGNMENT; PHASES; Chemistry, Physical; Materials Science, Multidisciplinary

    Abstract

    Chemically engineered liquid crystal droplets with stimuli responsive director configurations are attractive for sensing applications. Here, we find that the adsorption of positively charged poly(amido amine) (PAMAM) dendrimers on negatively charged poly(styrenesulfonate sodium) (PSS)-coated liquid crystal droplets can trigger a bipolar-to-radial configuration transition of the liquid crystal in the droplets, which can be easily detected with a polarizing optical microscope. The sensitivity of the PSS-coated liquid crystal droplets for detecting PAMAM dendrimers depends on the size and number of liquid crystal droplets as well as the dendrimer generation.

    Journal Title

    Journal of Materials Chemistry

    Volume

    22

    Issue/Number

    14

    Publication Date

    1-1-2012

    Document Type

    Article

    Language

    English

    First Page

    6807

    Last Page

    6812

    WOS Identifier

    WOS:000301459500041

    ISSN

    0959-9428

    Share

    COinS