A monopole-antenna technique is adopted for the measurement of the dielectric parameters of ascorbic acid and trypsin of various concentrations in water. The method is standardised by performing measurements on liquids of known dielectric parameters. It is found that the method works satisfactorily in the frequency range 400-1200 MHz if a suitable choice of antenna probe diameter is made. A dielectric dispersion is observed which is attributed to the presence of bound water. It is suggested that the method might be successfully adopted on other biological liquid.
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Ray et al. (1986) studied this question.
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