Time domain reflectrometry: the difference method applied to conductive aqueous solutions.
The precision difference time domain reflectrometry method has been developed for application to conductive aqueous solutions. The sensitivity of the technique has been investigated with protein and polypeptide solutions over the frequency range 100 kHz to 1 GHz. Loss processes with an absorption maximum of 0.3 have been successfully measured and larger dispersions characterised in KCl concentrations as high as 100 mM.
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Institute of Molecular and Biomolecular Electronics, University College of North Wales, Bangor, U.K.
D004553:Electric Conductivity / Q000379:methods; D009211:Myoglobin / Q000032:analysis; D010455:Peptides / Q000032:analysis*; D011099:Polyglutamic Acid; D011506:Proteins / Q000032:analysis*; D012996:Solutions; D013997:Time Factors
D009211:Myoglobin; D010455:Peptides; D011506:Proteins; D012996:Solutions; D011099:Polyglutamic Acid