Two-dimensional ordered arrays of aligned lipid tubules on substrates with microfluidic networks

    Authors

    N. Mahajan;J. Y. Fang

    Comments

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    Abbreviated Journal Title

    Langmuir

    Keywords

    DRUG-DELIVERY; NANOTUBE; MICROSTRUCTURES; ASSEMBLIES; NANOSTRUCTURES; FABRICATION; TRANSITION; NANOFIBERS; MORPHOLOGY; TEMPLATES; Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, ; Multidisciplinary

    Abstract

    Microfluidic networks is a powerful tool for aligning one-dimensional materials over a large area on solid substrates. Here we show that lipid nano- and microtubules can be assembled into two-dimensional (2-D) parallel arrays with controlled separations by combining fluidic alignment with dewetting, which occurs within microchannels. We also demonstrate that lipid tubules can be bent into a well-defined shape at the entrance of the channels by the capillary force. Atomic force microscopy is used to study the structure and stability of the aligned lipid tubules on substrates. The deposition experiments with silica colloidal particles show that the 2-D parallel-aligned tubules can be used as a template to synthesize silica films with controlled morphologies and patterns on substrates in a single-step process.

    Journal Title

    Langmuir

    Volume

    21

    Issue/Number

    7

    Publication Date

    1-1-2005

    Document Type

    Article

    Language

    English

    First Page

    3153

    Last Page

    3157

    WOS Identifier

    WOS:000228042400076

    ISSN

    0743-7463

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