
Keywords: RI، شاخص انکسار; Nanoplasmonic biosensor; Plasma; Serum; Colorectal cancer; Autoantibodies; Clinical diagnosisCRC, colorectal cancer; ELISA, enzyme-linked immunosorbent assay; LSPR, localized surface plasmon resonance; POC, point of care; RI, refractive index; SAM, self-a