Optical Tweezers as a microrheological probe of soft surfaces

  • Sevick, Edie (PI)

    Project: Research

    Project Details

    Description

    Microfluidics aims to reduce reaction vessels and connecting conduits to 'lab-on-a-chip' dimensions. However, flow in these channels is not the same as in larger pipes: near solid walls, the friction on a micron-sized particle is enhanced and this affects the transport and energy requirements of microflow. These micro-fluidic walls need not be solid, but can also be soft: the biological cell (the very epitome of a microfluidic device) has soft walls whose flexibility changes. Here we apply the CI's recently developed optical technique to investigate friction near fluid-fluid interfaces and soft surfaces; characterise the method on a new tunable soft surface; and develop this into a tool for measuring mechanical properties of membranes.
    StatusFinished
    Effective start/end date1/01/1131/12/16

    Funding

    • Australian Research Council (ARC): A$420,000.00

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