| 摘要 |
<p>A method of detecting the chemical and/or biological properties of a fluid, or of a surface in contact with a fluid, comprises: disposing a sensing surface in a vessel; disposing adjacent the sensing surface a detector for measuring electrical or magnetic signals generated in the fluid immediately adjacent the sensing surface; disposing the fluid in the vessel; using an acoustic source to generate sound waves and direct the sound waves at the sensing surface; and measuring the electrical or magnetic signals generated in the fluid immediately adjacent the sensing surface by the detector at the time when the sound waves impinge on the fluid immediately adjacent the sensing surface.</p> |
