EPFL researchers have developed a method to calibrate electron spectrometers with extreme accuracy by linking microwave, ...
Digestive enzyme supplements have gained popularity for their claims of treating common forms of gut irritation, heartburn and other ailments. But how do digestive enzymes work, and who really needs ...
Abstract: Photoplethysmography (PPG) is a simple method to measure various physiological indices, including heart rate (HR). To prevent motion artifacts, the optimal light wavelength for PPG ...
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