The performance of chemical sensors is dominated by the perception of the target molecules
via sensitive materials and the conduction of sensing signals through transducers. However …

Piezoelectric nanogenerators (PENGs) not only are able to harvest mechanical energy from
the ambient environment or body and convert mechanical signals into electricity but can also …

Devices used for diagnosing disease are often large, expensive, and require operation by
trained professionals, which can result in delayed diagnosis and missed opportunities for …

Self-powered wearable sensing systems have attracted great attention for their application
in continuous health monitoring, which can reveal real-time physiological information on the …

Wearable health monitoring technologies have garnered extensive public attention, leading
to significant economic and societal impacts. These advancements have prompted changes …

Obesity increases the risk of chronic diseases, such as type 2 diabetes mellitus,
dyslipidemia, and cardiovascular diseases. Simple anthropometric measurements have time …

Device-assisted practice for instrument learning has been widely used by professional and
amateur musicians to improve their learning efficiency. This study fabricates a novel self …

This paper presents an electromagnetic energy harvester (EMEH) using gravity-induced self-
excited vibrational resonance. The EMEH is capable of harvesting vibration energy below 1 …