Bacteria DEP trapping and detection

Members: Kong Tian Fook, Shen Xinhui, Marcos

With the help of an integrated lab-on-chip device, bacteria are first focused and immobilized onto microelectrodes using DEP forces. Subsequently, the bacteria are detected using dielectrophoretic impedance measurement (DEPIM). Bacteria pearl chains are formed to electrically connect the gap between the interdigitated electrodes, and, as a result, induce a measureable change in the conductance and capacitance between the electrodes for the detection of bacteria.

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