Results 71 to 80 of about 17,709 (302)

Recognition of human hypoxic state based on deep learning

工程科学学报, 2019
Due to the development of industrialization, low-oxygen environment has become common in the confined spaces of construction industries, chemical industries, military, urban underground spaces, and poorly ventilated crowed areas and caused a large number
YU Lu, JIN Long-zhe, WANG Meng-fei, XU Ming-wei   +3 more
doaj   +1 more source

An Examination of the Feasibility of Detecting Cocaine Use Using Smartwatches

Frontiers in Psychiatry, 2021
As digital technology increasingly informs clinical trials, novel ways to collect study data in the natural field setting have the potential to enhance the richness of research data. Cocaine use in clinical trials is usually collected via self-report and/
Emre Ertin, Nithin Sugavanam, August F. Holtyn, Kenzie L. Preston, Jeremiah W. Bertz, Lisa A. Marsch, Bethany McLeman, Dikla Shmueli-Blumberg, Julia Collins, Jacqueline S. King, Jennifer McCormack, Udi E. Ghitza   +11 more
doaj   +1 more source

Real-world validation of smartphone-based photoplethysmography for rate and rhythm monitoring in atrial fibrillation

Europace
Aims Photoplethysmography- (PPG) based smartphone applications facilitate heart rate and rhythm monitoring in patients with paroxysmal and persistent atrial fibrillation (AF).
H. Gruwez, D. Ezzat, T. Van Puyvelde, S. Dhont, E. Meekers, L. Bruckers, F. Wouters, M. Kellens, H. Van Herendael, M. Rivero-Ayerza, D. Nuyens, P. Haemers, L. Pison   +12 more
semanticscholar   +1 more source

Silicon‐Embedded Multifunctional Heterogeneous Integration for Miniaturized Photoplethysmography Detection Devices

Advanced Science, EarlyView.
ABSTRACT The multifunctional integration of chips with high flexibility and scalable manufacturing is crucial for enhancing chip performance, reducing chip size, and simplifying chip design. However, balancing volume, cost, flexibility, and functionality using traditional heterogeneous integration methods is challenging.
Lang Chen, Shizun Hu, Zhou Yang, Shitao Shen, Pan Zhang, Han Xu, Chi Zhang, Wei Wang   +7 more
wiley   +1 more source

The Assessment of Autonomic Nervous System Activity Based on Photoplethysmography in Healthy Young Men

Frontiers in Physiology, 2021
Noninvasive assessment of autonomic nervous system (ANS) activity is of great importance, but the accuracy of the method used, which is primarily based on electrocardiogram-derived heart rate variability (HRV), has long been suspected.
Binbin Liu, Zhe Zhang, Xiaohui Di, Xiaoni Wang, Lin Xie, Wenjun Xie, Jianbao Zhang   +6 more
doaj   +1 more source

Automated cardiac arrest detection using a photoplethysmography wristband: algorithm development and validation in patients with induced circulatory arrest in the DETECT-1 study.

The Lancet Digital Health
BACKGROUND Unwitnessed out-of-hospital cardiac arrest is associated with low survival chances because of the delayed activation of the emergency medical system in most cases.
R. Edgar, N. Scholte, K. Ebrahimkheil, M. Brouwer, R. Beukema, M. Mafi-Rad, K. Vernooy, S. Yap, E. Ronner, N. V. Van Mieghem, Eric Boersma, P. Stas, N. van Royen, J. Bonnes   +13 more
semanticscholar   +1 more source

Semi‐Transparent Organic Photodiodes with Near‐Infrared Detection Fabricated by Inkjet Printing

Advanced Electronic Materials, EarlyView.
This work shows the inkjet printing of semi‐transparent and opaque organic photodiodes that enable light detection in the near‐infrared regime. Their transparency and high detection speed make them ideal for applications in soft robotics, wearable devices, and light communication systems.
Luis Arturo Ruiz‐Preciado, Peter Krebsbach, Mervin Seiberlich, Gerardo Hernandez‐Sosa   +3 more
wiley   +1 more source

The latest applications of photoplethysmography [PDF]

, 2019
The development of medicine and the ability to conduct effective therapy in increasingly severe cases createthe need to develop new methods of continuous and non-invasive monitoring of the patient’s condition.
Piech, Piotr; Department of Clinical and Radiological Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-093 Lublin, Poland, Kozioł, Maciej; Department of Clinical and Radiological Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-093 Lublin, Poland, Maciejewski, Marcin; Institute of Electronics and Information Technology, Lublin University of Technology, Nadbystrzycka 38A, 20-618 Lublin, Poland, Surtel, Wojciech; Institute of Electronics and Information Technology, Lublin University of Technology, Nadbystrzycka 38A, 20-618 Lublin, Poland   +3 more
core   +2 more sources

Enhancing Small-Molecule Organic Photodetector Performance for Reflectance-Mode Photoplethysmography Sensor Applications [PDF]

, 2020
Organic photodetector performance for enhancing the sensing abilities of an organic photoplethysmography sensor was investigated. The optimized organic photodetector with an anode interlayer and a cathode interlayer showed a reverse dark current density ...
Chihaya Adachi, Anubha Bilgaiyan, Fahed Elsamnah (8751864), Muhamad Affiq Bin Misran, Hiroshi Ishidai, Fahed Elsamnah, Hiroshi Ishidai (8751867), Chang-Hoon Shim, Reiji Hattori, Muhamad Affiq Bin Misran (8751873), Chihaya Adachi (1323966), Anubha Bilgaiyan (8751861), Chang-Hoon Shim (8751870), Reiji Hattori (8751876)   +13 more
core   +1 more source

Assessing the Feasibility of Wearable Devices for Physiological Monitoring and Heat Risk Prediction in Outdoor Agricultural Workers

American Journal of Industrial Medicine, EarlyView.
ABSTRACT Background Outdoor agricultural workers experience significant heat exposure, yet few studies have evaluated whether wearable sensors can reliably measure continuous physiological responses in real field conditions. This pilot study examined the feasibility and predictive utility of core temperature, hydration, heart rate, and movement data ...
Sinan Sousan, Elizabeth Mizelle, Qiang Wu, Rui Wu, Guy Iverson, Ciprian Popoviciu, Dylan Hemedinger, Eliezer Loyola, Takari Hood, Monica Ramirez, Jo Anne Balanay   +10 more
wiley   +1 more source