IMPEDIMETRIC BIOSENSOR FOR THE DETECTION OF FOODBORNE PATHOGENS AND THE METHOD THEREOF

摘要

An impedance biosensor for detecting Staphylococcus aureus is provided to raise the detection sense of Staphylococcus aureus and shorten the culture time. An impedance biosensor for detecting Staphylococcus aureus comprises micro electrode, capture antibody for Staphylococcus aureus and impedance module. The micro electrode is alternately arranged. The capture antibody of Staphylococcus aureus is fixed on the electrode. The impedance module measures impedance and analyzes comparing frequency. A method for detecting Staphylococcus aureus using the biosensor comprises: a step (S1) of adding reactive inhibitor to analysis test sample; a step (S2) of injecting the sample to the capture antibody on the electrode; a step (S3) of removing bacteria and foreign material which is not combined with the antibody, and a step (S4) of measuring and analyzing the impedance.