Results 51 to 60 of about 24,406 (238)
Advanced Science, EarlyView.Recent advances in materials and device engineering enable continuous, real‐time monitoring of muscle activity via wearable and implantable systems. This review critically summarizes emerging technologies for tracking electrophysiological, biomechanical, and oxygenation signals, outlines fundamental principles, and highlights key challenges and ...
Zhengwei Liao +4 more
wiley +1 more source
A Novel Adaptive Spectrum Noise Cancellation Approach for Enhancing Heartbeat Rate Monitoring in a Wearable Device [PDF]
, 2018 This paper presents a novel approach, Adaptive Spectrum Noise Cancellation (ASNC), for motion artifacts removal in Photoplethysmography (PPG) signals measured by an optical biosensor to obtain clean PPG waveforms for heartbeat rate calculation.
Abt, Grant +7 more
core +2 more sources
The Role of Ionic Liquids at the Biological Interfaces in Bioelectronics
Advanced Science, EarlyView.Ionic liquids (ILs) are highlighted as key artificial ionic materials that bridge biological ion‐based signaling and electronic devices. By understanding their composition, structure, function relationships, and mechanisms, ILs can advance from high performance electrolyte to core materials enabling integrated, multifunctional bioelectronics for ...
Yeong‐sinn Ye +5 more
wiley +1 more source
IEEE Access, 2020 Daily vital signs monitoring is very important for detecting diseases in early stages and for preventive treatments. Such a task can be achieved by taking advantage of the omnipresence of cameras in people's personal space.
Jean-Pierre Lomaliza +2 more
doaj +1 more source
Dilution Effect for High‐Performance Multiple‐Component Near‐Infrared Organic Photodetectors
Advanced Science, EarlyView.The dilution effect in multi‐component organic photodetector effectively suppresses non‐radiative decay and minimizes dark current, while energy‐level‐offset‐governed electron transfer between acceptors maintains efficient charge transport. This synergistic mechanism collectively enables remarkable device performance, including high detectivity and ...
Zhuang Li +9 more
wiley +1 more source
Accurate detection of heart rate using in-ear photoplethysmography in a clinical setting
Frontiers in Digital Health, 2022 BackgroundRecent research has shown that photoplethysmography (PPG) based wearable sensors offer a promising potential for chronic disease monitoring.
Tim Adams +6 more
doaj +1 more source
Real-world heart rate norms in the Health eHeart study. [PDF]
, 2019 Emerging technology allows patients to measure and record their heart rate (HR) remotely by photoplethysmography (PPG) using smart devices like smartphones.
Aschbacher, Kirstin +10 more
core
Systems and methods for physiological signal enhancement and biometric extraction using non-invasive optical sensors [PDF]
, 2018 A system and method for signal processing to remove unwanted noise components including: (i) wavelength-independent motion artifacts such as tissue, bone and skin effects, and (ii) wavelength-dependent motion artifact/noise components such as venous ...
Nourani, Mehrdad, Yousefi, Rasoul
core +1 more source
Characterization Study of Neck Photoplethysmography
2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018 This paper presents a comparison between finger and neck photoplethysmography (PPG) in order to assess the potential and limitations of this, non-conventionally used, body site for application in pulse oximetry. PPG signals were recorded at both sites from healthy subjects to inspect the differences in average waveforms, as well as in oxygen saturation
Garcia-Lopez, I +2 more
openaire +3 more sources
Soft, Flexible, and Stretchable Platforms for Tissue‐Interfaced Bioelectronics
Advanced Science, EarlyView.Bio‐integrated electronics provide mechanically compliant and stable interfaces with soft biological tissues. Representative applications include neural interfaces, wet‐organadhesive electronics, and skin‐interfaced devices. E represents Young´s modulus and ε represents strain.
Kento Yamagishi +3 more
wiley +1 more source