http://www.cnr.it/ontology/cnr/individuo/prodotto/ID167644
Impedance spectroscopy of solutions at physiological glucose concentrations (Articolo in rivista)
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- Label
- Impedance spectroscopy of solutions at physiological glucose concentrations (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
Tura A., Sbrignadello S., Barison S., Conti S., Pacini G. (2007)
Impedance spectroscopy of solutions at physiological glucose concentrations
in Biophysical chemistry (Print)
(literal)
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- Tura A., Sbrignadello S., Barison S., Conti S., Pacini G. (literal)
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- A. Tura, S. Sbrignadello, G. Pacini
ISIB-CNR, Corso Stati Uniti 4, 35127 Padova, Italy
S. Barison
IENI-CNR, Corso Stati Uniti 4, 35127, Padova, Italy
S. Conti
BC Dynamics, Via Cufra 23, 20159 Milan, Italy (literal)
- Titolo
- Impedance spectroscopy of solutions at physiological glucose concentrations (literal)
- Abstract
- Impedance spectroscopy has been proposed as possible approach for non-invasive glycaemia monitoring. However, few quantitative data are
reported about impedance variations related to glucose concentration variations, especially below the MHz band. Furthermore, it is not clear
whether glucose directly affects the impedance parameters or only indirectly by inducing biochemical phenomena. We investigated the impedance
variations in glucosewater, glucosesodium chloride, and glucoseblood samples, for increasing glucose values (up to 300 mg/dl). In all the
frequency range (0.1107 Hz) glucosewater samples showed impedance modulus increases for increasing glucose values (up to 135%). In blood
and sodium chloride samples the impedance modulus showed only slight variations (2% and 1.4%), but again in wide frequency ranges.
Therefore: i) glucose directly affects the impedance parameters of solutions; ii) effects are more relevant at frequencies below the MHz band; iii) the influence on the impedance is decreased in high conductivity solutions, but still clearly present. (literal)
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