Results 61 to 70 of about 7,515 (209)
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
Analysis of differences between contact and non-contact estimation of blood pressure
Current Directions in Biomedical EngineeringBlood pressure (BP) is a key indicator for cardiac diseases. Although many current works focus on estimating BP using photoplethysmography (PPG), the number of works using imaging PPG, i.e.
Sahl Fabienne, Zaunseder Sebastian
doaj +1 more source
Monitoring of Cardiorespiratory Signal: Principles of Remote Measurements and Review of Methods
IEEE Access, 2017 Physiological signs can be remotely observed from the physiological and physical effects caused by a cardiorespiratory activity. A wide range of research on remote cardiorespiratory monitoring systems has been done using different methods, including ...
Ali Al-Naji +3 more
doaj +1 more source
, 2015 Goal: A new method for heart rate monitoring using photoplethysmography (PPG) during physical activities is proposed. Methods: It jointly estimates spectra of PPG signals and simultaneous acceleration signals, utilizing the multiple measurement vector ...
Zhang, Zhilin
core +1 more source
Motion limitations of non-contact photoplethysmography due to the optical and topological properties of skin [PDF]
, 2016 Non-contact photoplethysmography (PPG) provides multiple benefits over in-contact methods, but is not as tolerant to motion due to the lack of mechanical coupling between the subject and sensor.
Alametsä J +10 more
core +3 more sources
Intrinsic PPG–ECG Coupling for Accurate and Low‐Power Blood Pressure Monitoring
Advanced Science, EarlyView.A PPG–ECG coupling strategy for continuous blood pressure monitoring that intrinsically synchronizes signals within a single waveform is demonstrated, minimizing synchronization errors and hardware complexity. This approach halves power consumption while maintaining high accuracy, enabling compact, energy‐efficient wearable devices for personalized ...
Sitong Chen +5 more
wiley +1 more source
Spatio-temporal and -spectral feature maps in photoplethysmography imaging and infrared thermograph
BioMedical Engineering OnLine, 2021 Background Only a small fraction of the information available is generally used in the majority of camera-based sensing approaches for vital sign monitoring.
Michael Paul +5 more
doaj +1 more source
Multimodal Wearable Biosensing Meets Multidomain AI: A Pathway to Decentralized Healthcare
Advanced Science, EarlyView.Multimodal biosensing meets multidomain AI. Wearable biosensors capture complementary biochemical and physiological signals, while cross‐device, population‐aware learning aligns noisy, heterogeneous streams. This Review distills key sensing modalities, fusion and calibration strategies, and privacy‐preserving deployment pathways that transform ...
Chenshu Liu +10 more
wiley +1 more source
Contactless Monitoring of Microcirculation Reaction on Local Temperature Changes
Applied Sciences, 2019 Assessment of skin blood flow is an important clinical task which is required to study mechanisms of microcirculation regulation including thermoregulation.
Maxim A. Volynsky +3 more
doaj +1 more source
IEEE Access, 2023 Long-term wiring on a newborn patient could be a disguise scene for parents. Unobtrusive and reliable monitoring without wiring can be a euphoric alternative for newborns and parents in obstetrics and gynecology (OB/GYN) incubation rooms.
Yenming J. Chen +5 more
doaj +1 more source