Biological particle mechanical vibration characteristic detection method and device, and application

The invention discloses a biological particle mechanical vibration characteristic detection method and device, and application According to the biological particle mechanical vibration characteristic detection device, the measurement of a biological particle mechanical vibration characteristic is realized by utilizing a physical mechanism of resonance coupling of a mechanical resonator. The detection method comprises the following steps of: placing biological particles on a micro-nano resonance sensor; detecting the mechanical vibration spectrum of the resonance sensor; changing the mechanical vibration mode of the resonance sensor until the mechanical vibration of the biological particles and the resonance sensor reaches a resonance coupling state; and calculating the mechanical vibration frequency and the quality factor of the biological particles according to the spectrum data of the coupling state. The biological particle mechanical characteristic detection device designed by the method has the advantages