Abstract
A surface plasmon resonance (SPR) based biosensor is proposed to detect Pseudomonas bacteria. The sensor design consists of two silvers (Ag), a Titanium dioxide (TiO2), graphene, and an affinity layer with antimonene grating placed over a BK7 coupling prism based on the Kretschmann configuration. The principle of attenuated total reflection (ATR) is used to investigate the performance of our proposed SPR based biosensor. The sensor's performance parameters, such as sensitivity, detection accuracy, and quality factor, have been evaluated numerically and then analyzed. Inclusion of the TiO2 and affinity layers improves the suggested structure's efficacy in detecting Pseudomonas bacteria. A comparative analysis is made between the proposed and the existing structures. The sensitivity, quality factor, and detection accuracy parameters 370.8°(RIU)-1, 137.843(1/RIU), and 0.371747 degree-1 are achieved.
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