A method and apparatus for investigating various parameters of biofluids, such as blood, particularly protein and cellular concentrations and cellular volume utilises the application of at least two a.c. frequencies, preferably simultaneously, in the range 0.1 to 60 MHz to a sample of the fluid and receiving...http://www.google.com.tw/patents/US5583432?utm_source=gb-gplus-share專利 US5583432 - Electrical method and apparatus for non-contact determination of physical and/or chemical properties of a sample, particularly of blood
Electrical method and apparatus for non-contact determination of physical ...
