Abstract
In this article, a nano-composite Ag/BaTiO3/MoS2 multilayer coating-based surface plasmon resonance (SPR) sensor with high sensitivity and figure of merit for the detection of cancer cells is analyzed. The proposed SPR biomedical sensor structure is built on the angular interrogation approach to utilizing the refractive index component, attenuated total reflection (ATR) analysis is employed to identify different kinds of cancer cells. The resonance angle varied as the refractive index (RI) of healthy and cancerous cells changed. Which ranged from 1.368 to 1.392 for increasing concentration in cervical (HeLa cells) and blood (Jurkat cells), RI 1.376 to 1.390 changes as the concentration of cancerous cells increases in healthy cells. The maximum estimated sensitivities for cervical (HeLa) and blood (Jurkat) cancer cells based on numerical data were 271.25 deg/RIU and 290.714 deg/RIU, respectively. The proposed BK7/Ag/BaTiO3/ MoS2has the ability to identify cancerous and healthy cells with the greatest overall sensitivity, as demonstrated by layered structures. Finally, the numerical results analyzed in this manuscript revealed a high degree of sensitivity and FoM compared to those of previous research studies.
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