Results 181 to 190 of about 2,781,713 (276)

Photonic Nanomaterials for Wearable Health Solutions

open access: yesAdvanced Materials, EarlyView.
This review discusses the fundamentals and applications of photonic nanomaterials in wearable health technologies. It covers light‐matter interactions, synthesis, and functionalization strategies, device assembly, and sensing capabilities. Applications include skin patches and contact lenses for diagnostics and therapy. Future perspectives emphasize AI‐
Taewoong Park   +3 more
wiley   +1 more source

Challenges and Opportunities of Upconversion Nanoparticles for Emerging NIR Optoelectronic Devices

open access: yesAdvanced Materials, EarlyView.
The special photo‐responsiveness of upconversion nanoparticles has opened up a new path for the advancement of near‐infrared (NIR)‐responsive optoelectronics. However, challenges such as low energy‐conversion efficiency and high nonradiative losses still persist.
Sunyingyue Geng   +7 more
wiley   +1 more source

Harnessing Photo‐Energy Conversion in Nanomaterials for Precision Theranostics

open access: yesAdvanced Materials, EarlyView.
Harnessing photo‐energy conversion in nanomaterials enables precision theranostics through light‐driven mechanisms such as photoluminescence, photothermal, photoelectric, photoacoustic, photo‐triggered surface‐enhanced Raman scattering (SERS), and photodynamic processes. This review explores six fundamental principles of photo‐energy conversion, recent
Jingyu Shi   +4 more
wiley   +1 more source

Subjective Refraction Test Using a Smartphone for Vision Screening. [PDF]

open access: yesJ Vis Exp
Luo G   +5 more
europepmc   +1 more source

Prevalence and etiology of low vision in children of 5-18 years of age using model of community based door to door screening in an urban slum of Delhi

open access: diamond
Poonam Sharma   +6 more
openalex   +1 more source

Change in community-based preschool vision screening from visual charts to Retinomax [PDF]

open access: bronze, 2013
Eugene A. Lowry   +3 more
openalex   +1 more source

Engineering Framework Materials in Water Systems for Targeted Ion Extraction and Spontaneous Energy Harvesting

open access: yesAdvanced Materials, EarlyView.
Through comprehensive analysis of framework materials in ion extraction, osmotic energy conversion, and evaporative energy harvesting, this review establishes interdisciplinary connections centered on ion‐selective transport mechanisms across these applications and identifies critical challenges and knowledge gaps in existing studies.
Zhengyun Wang   +3 more
wiley   +1 more source

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