Results 251 to 260 of about 12,793,653 (323)

Near‐Infrared Organic Photovoltaic Electrodes for Subretinal Neurostimulation

Advanced Functional Materials, EarlyView.
Organic photovoltaic electrodes based on the D18:Y6 blend enable precise and light‐controlled activation of retinal ganglion cells in a degenerating retina. NIR Light‐driven activation of retinal ganglion cells, tunable stimulation parameters, and biocompatibility with human retinal organoids highlight their potential for next‐generation prosthetics ...
Andrea Corna, Katarina Gugujonovic, Manuela Schiek, Alessandro Bellapianta, Paul Werginz, Amelie Ziller, Markus Clark Scharber, Ahmad Salti, Matthias Bolz, Mihai Irimia‐Vladu, Günther Zeck   +10 more
wiley   +1 more source

The Realization of Multidirectional, Free‐Standing 3D Plasmonic Nanostructures via 3D Nanoprinting: A Case Study of Fractal Antennas

Advanced Functional Materials, EarlyView.
Free‐standing plasmonic gold‐based fractal antennas are fabricated by 3D nanoprinting, employing focused electron beam induced deposition and an optimized purification method to remove carbon while conserving structural fidelity. Simulation and experiment show broadband plasmonic activity, including customizable polarizability, thereby paving the way ...
Verena Reisecker, Robert Winkler, Ulrich Hohenester, Evelin Fisslthaler, Daniel Knez, Gerald Kothleitner, Georg Haberfehlner   +6 more
wiley   +1 more source

Bio‐Friendly Artificial Muscles Based on Carbon Nanotube Yarns and Eutectogel Derivatives

Advanced Functional Materials, EarlyView.
Solid‐state artificial muscles based on coiled commercial carbon nanotube yarns coated with eutectogel derivatives exhibit unipolar actuation through selective ion intercalation. Combining polyanionic and polycationic gels enables enhanced contractile stroke and high energy density.
Gabriela Ananieva, Cédric Vancaeyzeele, Giao T.M. Nguyen, Daniel Aguilera‐Bulla, Mathieu Pinault, Frédéric Vidal, Cédric Plesse   +6 more
wiley   +1 more source

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Natural light phenomena

Optician
What causes the northern lights or rainbows? Why do they look so different through our smartphones compared to the naked eye? Dr Douglas Clarkson delves into the science underlying light shows of nature
Douglas Clarkson
openaire   +2 more sources

Pseudo‐natural Light for Displays and Lighting

Advanced Optical Materials, 2014
Light quality shows strong effects on humans in many aspects, including aesthetics, psychology, physiology, and health. By assuming that natural light has the best light quality, devising a pseudo‐natural light is hence important and critical. Here, an all‐weather pseudo‐natural light is demonstrated based on a high number of broad‐band emitters.
Jwo‐Huei Jou, Kun‐Yi Chou, Fu‐Chin Yang, Ching‐Heng Hsieh, Sudhir Kumar, Abhishek Agrawal, Sun‐Zen Chen, Tsung‐Han Li, Hui‐Huan Yu   +8 more
openaire   +2 more sources

Continuous Self‐Oxygenated Double‐Layered Hydrogel under Natural Light for Real‐Time Infection Monitoring, Enhanced Photodynamic Therapy, and Hypoxia Relief in Refractory Diabetic Wounds Healing

Advanced Functional Materials, 2022
The human health is still threatened by refractory keratitis and diabetic foot ulcers caused by bacterial infections, hypoxia, and chronic inflammation, so that patients are exposed to the risk of amputation, vision loss, and even death.
Zhongqiang Zhu, Lu Wang, Yaou Peng, Xiaoying Chu, Liyang Zhou, Yingying Jin, Hanwen Guo, Qiang Gao, Jianhua Yang, Xinyi Wang, Ziyue Long, Yifan Ge, Si Lu, Bailiang Wang   +13 more
semanticscholar   +1 more source

Polymer Photocatalysts Containing Segregated π-Conjugation Units with Electron-Trap Activity for Efficient Natural-light-driven Bacterial Inactivation.

Angewandte Chemie, 2023
Development of highly efficient and metal-free photocatalysts for bacterial inactivation under natural light is a major challenge in photocatalytic antibiosis.
Xiaojie Wu, Bochen Hu, Di Li, Biyi Chen, Yuanyong Huang, Zhongkai Xie, Longhua Li, Nanjun Shen, Fuchen Yang, Wei-Ni Shi, Ming Chen, Yongfa Zhu   +11 more
semanticscholar   +1 more source

Natural light

Lighting, 2020
David Präkel
openaire   +2 more sources

Real-World Underwater Enhancement: Challenges, Benchmarks, and Solutions Under Natural Light

IEEE transactions on circuits and systems for video technology (Print), 2019
Underwater image enhancement is such an important low-level vision task with many applications that numerous algorithms have been proposed in recent years.
Risheng Liu, Xin Fan, Ming Zhu, Minjun Hou, Zhongxuan Luo   +4 more
semanticscholar   +1 more source

Development of a natural light reproduction system for maintaining the circadian rhythm

Indoor and Built Environment, 2020
Circadian rhythm is linked to sleep, arousal and human health overall, affecting body temperature and heart rate. A 24-h natural-light cycle provides optimum lighting environment for humans.
Kyeong-Mi Kim, Young-Won Kim, Seung-Taek Oh, Jae-Hyun Lim   +3 more
semanticscholar   +1 more source