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  • Application note01 April 2019

    Determination of KD of aptamer protein interactions by microfluidic diffusional sizing

    Here the Fluidity One-W is used to experimentally determine the KD of two protein aptamer interactions, with results in good agreement with literature values. Importantly the technique required no calibration, complex setup or specialist sample preparation. Furthermore, the interaction is assessed without immobilising or altering either molecule beyond the addition of a standard fluorescent label.