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Photoplethysmograph has been a focus for its portable and noninvasive indications of many important physiological phenomenons. From previous researches, it is possible to extract respiratory rhythms from PPG signals. The objective of this paper is to apply and evaluate two methods, envelope and wavelet packet decomposition method, in getting respiratory rate utilizing PPG. The experiments demonstrate...
Multi-walled carbon nanotubes (MWNTs) were successfully manipulated by dielectrophoresis (DEP) to form electrical connection between interdigitated gold electrodes (IDEs) and were demonstrated to serve as gas sensor for NH3 detection. The MWNTs were suspended in ethanol and deposited on the IDEs under the effect of DEP. After the evaporation of ethanol, the MWNTs remained between the gaps of the IDEs...
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