Results 91 to 100 of about 379,451 (283)

Sleep monitoring based on triboelectric nanogenerator: wearable and washable approach

open access: yesFrontiers in Psychiatry, 2023
Zhiyuan Zhu, Maoqiu Pu, Zisheng Xu
doaj   +1 more source

The characterization of an economic and portable LED-based photoacoustic imaging system to facilitate molecular imaging

open access: yesPhotoacoustics, 2018
Photoacoustic imaging (PAI) is a non-invasive, high-resolution hybrid imaging modality that combines optical excitation and ultrasound detection. PAI can image endogenous chromophores (melanin, hemoglobin, etc.) and exogenous contrast agents in different
Ali Hariri   +5 more
doaj   +1 more source

Ultrasound in Women's Health: Mechanisms, Applications, and Emerging Opportunities

open access: yesAdvanced Materials, EarlyView.
As healthcare moves toward decentralization, ultrasound technologies are evolving from strictly imaging tools in clinical settings into versatile diagnostic and therapeutic platforms, with growing roles addressing women's health needs. This review highlights how ultrasound's underlying physical mechanisms can be harnessed to reduce disparities in women'
Sarah B. Ornellas   +7 more
wiley   +1 more source

Scalable and Multifunctional PAN‐MXene Composite Fibers for Thermal Management, Photothermal Conversion, Energy Harvesting, and Sensing for Wearable Applications

open access: yesAdvanced Materials, EarlyView.
Electrospun PAN‐MXene nanofibers and yarns integrate enhanced thermal conductivity, photothermal conversion, and triboelectric energy harvesting within a flexible architecture. Interconnected MXene networks promote efficient phonon transport, while their surface chemistry strengthens tribo‐negative behavior, enabling a high power density of 432.7 mW m ...
Ahmadreza Moradi   +2 more
wiley   +1 more source

Portable Equipment for Intensive Therapy [PDF]

open access: yesPostgraduate Medical Journal, 1961
R M, McClelland, R H, Salt
openaire   +2 more sources

Portable Equipment for Luminescence Lifetime Measurements on Surfaces

open access: yesApplied Spectroscopy, 2008
The prototype of a portable instrument, based on the time-correlated single-photon counting method, purposely assembled for in situ measurements of luminescence lifetimes on artwork surfaces, is here presented. Preliminary tests have been carried out using the portable instrument and the results have been compared with those obtained using a bench ...
ROMANI, Aldo   +5 more
openaire   +4 more sources

Perspective on Aqueous Batteries: Historical Milestones and Modern Revival

open access: yesAdvanced Materials, EarlyView.
This review retraces the development of aqueous batteries from classical Zn‐MnO2 chemistry to modern Zn and Ni systems, correlating voltage, capacity, and electrolyte formulation with practical performance. By mapping historical success and failure onto current and future research directions, it identifies guiding principles that steer the design of ...
Fangwang Ming   +5 more
wiley   +1 more source

Apollo experience report: Development of the extravehicular mobility unit [PDF]

open access: yes
The development and performance history of the Apollo extravehicular mobility unit and its major subsystems is described. The three major subsystems, the pressure garment assembly, the portable life-support system, and the oxygen purge system, are ...
Carson, M. A.   +3 more
core   +1 more source

Hog Shelters and Equipment [PDF]

open access: yes, 1942
PDF pages:
Davison, Howard, Shier, G. R.
core  

Non‐Functionalized Graphene as an Electrical Sensing Surface for Bacterial Detection

open access: yesAdvanced Materials Interfaces, EarlyView.
Pathogenic bacteria detection in food remains a major public health concern, driving the need for rapid, cost‐effective, and portable detection systems. This review focuses on the use of non‐functionalized graphene as an electrical sensing surface for bacterial detection, highlighting their unique properties, sensing mechanism, and current developments.
Jazmin Berthe   +4 more
wiley   +1 more source

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