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Real-time detection of four bacteria by SPR biosensor. A) Real-time detection of four bacteria. B) Each detection included immobilization, hybridization and rinsing. Red line: S. aureus, blue line: P. aeruginosa, cyan line: C. tetani, pink line: C. perfringens. The difference in the SPR angle between the pre-hybridization stable phase and the post-hybridization stable phase is the angle shift induced by specific hybridization.
