If just by looking at our watch or cell phone we can know, in real time, our heart rate, the number of steps we take, the calories we burn and the hours of sleep we got the night before, why can’t we ...

Primary performance data for passive fiber-optic devices is provided by spectral measurement of optical insertion loss (IL) and polarization-dependent loss (PDL). Often used to characterize optical ...

The reliable, noninvasive measurement of dissolved gases in microfluidic devices is an important and difficult activity for biological applications. The PreSens pCO 2 mini and chemical optical CO 2 ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give higher readings for patients with darker than lighter skin tones, finds the ...

Recently, the research group of Prof. Zeng-Bing Chen and Associate Prof. Hua-Lei Yin (National Laboratory of Solid State Microstructures and School of Physics, Collaborative Innovation Center of ...

Embedded in cell phones, rings, bracelets or watches, the novel tools aim to make it easier to manage hypertension. But they must still pass several tests before hitting the clinic. By Matías A. Loewy ...