Results 61 to 70 of about 1,748,185 (181)

Duality in response of intracranial vessels to nitroglycerin revealed in rats by imaging photoplethysmography

Scientific Reports, 2023
Among numerous approaches to the study of migraine, the nitroglycerin (NTG) model occupies a prominent place, but there is relatively insufficient information about how NTG affects intracranial vessels.
Alexey Y. Sokolov, Maxim A. Volynsky, Anastasiia V. Potapenko, Polina M. Iurkova, Valeriy V. Zaytsev, Ervin Nippolainen, Alexei A. Kamshilin   +6 more
doaj   +1 more source

Body‐integrated photonic biosensors: Illuminating the path to active healthcare

FlexMat, EarlyView.
Body‐integrated photonic biosensors are promising tools for active healthcare. These optical devices can be worn, implanted, or swallowed to monitor health signals continuously. This review introduces key sensing modalities, including fluorescence, colorimetry, SPR, LSPR, SERS, and light‐modulating materials.
Jiayue Gu, Xingming Wen, Qihang Yan, Yining Zhao, Linghao Yuan, Siyuan Chen, Yue Ma, Zhengyue Fang, Dong Lei, Yuxin Liu, Ze Xiong   +10 more
wiley   +1 more source

Non-Contact Neonatal Heart Rate Monitoring Using Blue Filter Technique with Photoplethysmography Imaging under UV Illumination

Journal of Biomedical Photonics & Engineering
Non-contact heart rate (HR) monitoring is essential for neonates, as traditional adhesive sensors can damage their delicate skin. The rise in contagious viral infections further emphasizes the need for contactless neonatal healthcare monitoring systems ...
Huda Ali Hashim
doaj   +1 more source

Flexible wearable electronics for cardiovascular monitoring from surface signals to deep physiological insights

FlexMat, EarlyView.
This review organizes flexible wearable electronics for cardiovascular monitoring into four interconnected information layers: surface electrophysiology, hemodynamic sensing, vascular imaging, and biofluid biomarker analysis. This framework clarifies how electrical rhythm, vascular loading, structural and flow‐related features, and biochemical states ...
Qiao Chen, Hongwen Chen, Yuanyuan Li, Pingan Yang, Rui Li, Zhihao Zhou   +5 more
wiley   +1 more source

Meniscus‐guided organic semiconductor single crystals: From fluid dynamics to morphology control and multifunctional applications

FlexMat, EarlyView.
Centered on the multiscale meniscus, this review dissects mass transport in meniscus‐guided coating into parallel and lateral components. By analyzing the balance of multiple factors during crystallization, it establishes a clear morphology‐performance relationship.
Yumeng Wang, Shengnan Chen, Lutong Guo, Lujing Shao, Zhenhua Li, Hao Liu, Yanlin Song, Yali Qiao   +7 more
wiley   +1 more source

Advancements in remote photoplethysmography / [PDF]

Advancements in camera technology over the past two decades have made image-based monitoring increasingly accessible for healthcare applications. Imaging photoplethysmography (iPPG) and remote photoplethysmography (rPPG) are non-invasive methods for ...
Saikevičius, Linas,, Gintarė Šakalytė, Linas Saikevičius, Vidas Raudonis, Raudonis, Vidas,, Kozlovskaja - Gumbriene, Agne,, Agnė Kozlovskaja-Gumbrienė, Šakalytė, Gintarė,   +7 more
core   +1 more source

Digital Imaging Program fact sheet

, 2004
Title from PDF caption (viewed May 11, 2007).; "January 2004."; Previously issued: Fact sheet / Digital Imaging Program. [Hartford] : State of Connecticut, Dept. of Social Services, [1996]
Digital Imaging Program (Conn.)
core   +1 more source

Wearable photovoltaic textiles: From device technologies to long‐term reliability

InfoScience, EarlyView.
Wearable photovoltaic textiles are highlighted as reliable energy sources that combine solar cell efficiency with hierarchical textile‐specific mechanical and environmental durability. Structural and encapsulation strategies, including planarization, neutral‐axis engineering, and advanced barrier designs, enable waterproofing, washability, UV shielding,
Eun Gyo Jeong, So Yeong Jeong, Yongmin Jeon, Myung Sub Lim, Seo‐Yoon Bae, Sung‐Min Lee   +5 more
wiley   +1 more source

Novel capsaicin-induced parameters of microcirculation in migraine patients revealed by imaging photoplethysmography

The Journal of Headache and Pain, 2018
Background The non-invasive biomarkers of migraine can help to develop the personalized medication of this disorder. In testing of the antimigraine drugs the capsaicin-induced skin redness with activated TRPV1 receptors in sensory neurons associated with
Alexei A. Kamshilin, Maxim A. Volynsky, Olga Khayrutdinova, Dilyara Nurkhametova, Laura Babayan, Alexander V. Amelin, Oleg V. Mamontov, Rashid Giniatullin   +7 more
doaj   +1 more source

Robotic Palpation for Spatiotemporal Arterial Pulse Quantification and Mapping Using Multilevel Microdome‐Based Soft Pressure Sensors

Small, EarlyView.
This study presents the development of multilevel pressure‐sensitive layers replicated from liquid‐metal‐based structures for optimizing soft pressure sensors in robotic palpation. This approach enhances sensitivity and range for subtle arterial displacement detection.
Seong‐Min Im, Jaehwan Jang, Byeong‐Sun Park, Jiwon Choi, Kyeong Taek Oh, Min‐gu Kim   +5 more
wiley   +1 more source