Results 181 to 190 of about 243,816 (321)

Integrated Ultrasound Device for Precision Bladder Volume Monitoring via Acoustic Focusing and Machine Learning

open access: yesAdvanced Science, EarlyView.
We present a conformable wearable ultrasound patch for noninvasive bladder volume monitoring. A flexible PZT array combined with a concave acoustic lens concentrates acoustic energy and improves depth selectivity through the anterior pelvic wall.
Long Long Cao   +4 more
wiley   +1 more source

Development of an optically emulated computed tomography scanner for college education. [PDF]

open access: yesVis Comput Ind Biomed Art
Hossen Manik MM   +3 more
europepmc   +1 more source

A Novel Co3O4@Co3(HITP)2‐Based Sensor for Low‐Temperatures H2S Detection: Fabrication, Performance, and Preliminary Exploration in Monitoring Pork Spoilage

open access: yesAdvanced Science, EarlyView.
Hybrid Co3O4@Co3(HITP)2‐based chemiresitor was constructed for hydrogen sulfide detection at low‐temperature, which presented excellent sensing performance at room and refrigerant temperature. A proof of concept was conducted by monitoring hydrogen sulfide released from pork spoilage at both temperature using a portable device with a smartphone ...
Yongjiao Sun   +9 more
wiley   +1 more source

Recent Advances in Laser‐Induced Graphene‐Based Gas Sensors: From Sensing Mechanisms to Biomedical Applications

open access: yesAdvanced Science, EarlyView.
Laser induced graphene offers a scalable route to flexible, porous gas sensor with tunable properties and self heating functionality. This summarizes the overview of the design and application landscape of LIG‐based wearable gas sensor in healthcare. ABSTRACT Direct laser irradiation of carbonaceous precursors such as polyimide and wood is a scalable ...
Md Abu Sayeed Biswas   +6 more
wiley   +1 more source

Photon‐to‐Heat Energy Harvesting Fluorescent Protein Coatings for Thermoelectrics

open access: yesAdvanced Science, EarlyView.
Fluorescent proteins (FPs) are used in light‐absorbing coatings on thermoelectric generators (TEGs) to convert light into heat and generate electricity. By tuning the properties of FP‐doped polymer matrices, photothermal efficiencies of up to 48% have been achieved.
Anna Zieleniewska   +3 more
wiley   +1 more source

Tunable Plug‐and‐Play Meta‐Nanogenerator Materials for Multi‐Range Force Measurements

open access: yesAdvanced Science, EarlyView.
The multifunctional and tunable meta‐nanogenerator material system combines a mechanical metamaterial and a triboelectric nanogenerator enabling self‐powered, real‐time force sensing across application‐specific ranges. Geometrical tuning adjusts stiffness and the force sensing range, while modular integration streamlines assembly.
Roshira Premadasa   +6 more
wiley   +1 more source

Design and implementation of a smart earthquake rescue robot to enhance rescue operations. [PDF]

open access: yesSci Rep
Khattab O   +7 more
europepmc   +1 more source

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