Results 181 to 190 of about 2,502,208 (315)

Monitoring the safety of marine equipment operation based on acoustic emission control

open access: bronze, 2022
А.А. Равин   +2 more
openalex   +1 more source

Wearable and Implantable Devices for Continuous Monitoring of Muscle Physiological Activity: A Review

open access: yesAdvanced 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

Simultaneous Multifrequency Modulated Wireless Information and Power Transfer for a Triboelectronic Monitoring System

open access: yesAdvanced Science, EarlyView.
A ultrasound‐driven triboelectric nanogenerator multi‐frequency modulated simultaneous wireless power and information transmission (US‐TENG‐MF‐SWIPT) system is proposed for various intelligent microsystems, which increases the efficiency of information transmission multiply with almost no reduction in the power transmission efficiency.
Hongwei Yuan   +6 more
wiley   +1 more source

A Minimally Invasive Framework Reveals Region‐Specific Cerebrovascular Remodeling in Aging Using Intravital Functional Ultrasound Imaging and Ultrasound Localization Microscopy (fUS‐ULM)

open access: yesAdvanced Science, EarlyView.
A high‐resolution intravital imaging platform combining functional ultrasound and localization microscopy enables longitudinal, minimally invasive assessment of cerebrovascular function in aging studies. The present investigation reveals aging‐related reductions in neurovascular coupling, arteriole‐to‐venule ratio and vascular density, introducing a ...
Sharon Negri   +16 more
wiley   +1 more source

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