Shigella dysenteriae(1) FRET(1) Multi-aptamer(1) microbeads(1) false-positive result(1) SERS(1) Shigella flexneri(1) Real-time PCR(1) DNA-modified glassy carbon electrode(1) CRISPR/Cas 12a(1) aptasensor(1) limit of detection(1) principal component analysis (PCA)(1) IMB-RPA-CRISPR/Cas12a(1) cyclic voltammetry(1) pathogen detection(1) aptamer(1) Superparamagnetic.(1) diagnostic technique(1) Raman spectroscopy(1) Visual detection(1) Electrochemical impedance spectroscopy(1) Effective surface area(1) Hairpin allosteric(1) SELEX(1) nucleic acid amplification(1) bacterial identification(1) Gold nanoparticles(1) Food samples(1) Fluorescence assay(1)