Wearable devices provide an alternative pathway to clinical diagnostics by exploiting
various physical, chemical and biological sensors to mine physiological (biophysical and/or …

Designing wearable systems for sleep detection and staging is extremely challenging due to
the numerous constraints associated with sensing, usability, accuracy, and regulatory …

The human body generates various forms of subtle, broadband acousto-mechanical signals
that contain information on cardiorespiratory and gastrointestinal health with potential …

Photoplethysmography is a key sensing technology which is used in wearable devices such
as smartwatches and fitness trackers. Currently, photoplethysmography sensors are used to …

Wearable sensors hold profound significance in our increasingly interconnected world,
revolutionizing the way we monitor and manage our health, daily activities, and …

Biosensors are powerful analytical tools for biology and biomedicine, with applications
ranging from drug discovery to medical diagnostics, food safety, and agricultural and …

Advancements in materials science and fabrication techniques have contributed to the
significant growing attention to a wide variety of sensors for digital healthcare. While the …

Research has shown that pulse transit time (PTT), which is the time delay between the
electrocardiogram (ECG) signal and the signal from a photoplethysmogram (PPG) sensor …

Acoustic signals are important markers to monitor physiological and pathological conditions,
eg, heart and respiratory sounds. The employment of traditional devices, such as …

Based on the sound pickup mechanism of the three-dimensional ciliary bundle structure of
human ear hair cells, this paper proposed a bionic MEMS heart sound sensor. First, the …