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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Neves, C.E.B. Leite, B.B. Souza, M.N. |
| Copyright Year | 1999 |
| Description | Author affiliation: COPPE, Univ. Fed. do Rio de Janeiro, Brazil (Neves, C.E.B.) |
| Abstract | Among the techniques of body composition evaluation, the bioimpedance is calling the attention of the searchers, due to its simplicity, portability, low cost and a good acceptance by many patients. Both the single-frequency bioimpedance analysers (SFBIA) and the multi-frequency bioimpedance analysers (MFBIA) make use of sinusoidal currents between 300-800 /spl mu/A. However, whether the SFBIA used to work with a frequency of 50 KHz the MFBIA operate with frequencies between 1-1300 KHz. The advantage of a technique based on a step response is the possibility of measuring the total body water (TBW) with only one excitation, that will scan all frequency's components, as long as in low frequencies the current flows through the extra-cellular liquid (ECL) and in high frequencies through the intra-cellular liquid (ICL). A theoretical model is introduced, that considering the electrode/tissue interface, allow us to extract the modelling elements of body impedance. The primary results point to an utilization of these new methodology and technology. |
| File Size | 89080 |
| File Format | |
| ISBN | 0780356748 |
| ISSN | 1094687X |
| DOI | 10.1109/IEMBS.1999.803980 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1999-10-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electrochemical impedance spectroscopy Bioimpedance Frequency Electrodes Capacitance Biomedical measurements Impedance measurement Biomedical engineering Electronic mail Costs |
| Content Type | Text |
| Resource Type | Article |
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