Results 211 to 220 of about 684,694 (264)

Mechanochemical Fullerene Nanoencapsulation in Amino-Functionalized ZIF-12 for Visible-Light Disinfection of Waterborne Viruses and Bacteria. [PDF]

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Rodríguez-Sánchez N, Ballesteros M, Prinz C, Canosa I, Flores Díaz A, Bhattacharya B, Ruiz-Salvador AR, Emmerling F.   +7 more
europepmc   +1 more source

Non-innocent behaviour of aromatic isocyanides under visible light: a pathway to thioformimidates and dehydroalanine. [PDF]

Chem Sci
Wu M, Hanssens J, Russo C, Walia R, Giustiniano M, Troian-Gautier L, Saya JM, Orru R, Ranjan P.   +8 more
europepmc   +1 more source

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Visible Light and the Skin

Photochemistry and Photobiology, 2022
AbstractVisible light (VL, 400–700 nm) was previously regarded as nonsignificant with minimal to no photobiologic effects on the skin. Recent studies have demonstrated that in dark‐skinned individuals (skin phototypes IV–VI), VL can induce more intense and longer lasting pigmentation compared to ultraviolet A1 (UVA1, 340–400 nm).
Nneamaka Ezekwe, Jalal Maghfour, Indermeet Kohli   +2 more
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Visible lights and visible light-activated composite resins

The Journal of Prosthetic Dentistry, 1983
U ltraviolet light (W)-activated composite resins serve a useful purpose.‘,* The depth of cure provided by the various UV systems has contributed to their acceptance.3 Recently, the visible light-activated composite resins have gained in popularity. At the start of this investigation, there were 11 visible light-activated composite resins and eight ...
S M, Newman, G A, Murray, J L, Yates
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Visible light. Part I: Properties and cutaneous effects of visible light

Journal of the American Academy of Dermatology, 2021
Approximately 50% of the sunlight reaching the Earth's surface is visible light (400-700 nm). Other sources of visible light include lasers, light-emitting diodes, and flash lamps. Photons from visible light are absorbed by photoreceptive chromophores (e.g., melanin, heme, and opsins), altering skin function by activating and imparting energy to ...
Evan, Austin, Amaris N, Geisler, Julie, Nguyen, Indermeet, Kohli, Iltefat, Hamzavi, Henry W, Lim, Jared, Jagdeo   +6 more
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Phenylazothiazoles as Visible-Light Photoswitches

Journal of the American Chemical Society, 2023
A novel class of photoswitches based on a phenylazothiazole scaffold that undergoes reversible isomerization under visible-light irradiation is reported. The photoswitch, which comprises a thiazole heteroaryl segment directly connected to a phenyl azo chromophore, has very different spectral characteristics, such as a redshifted absorption maximum ...
Runze Lin, P. K. Hashim, Saugata Sahu, Ammathnadu S. Amrutha, Nusaiba Madappuram Cheruthu, Shakkeeb Thazhathethil, Kiyonori Takahashi, Takayoshi Nakamura, Takashi Kikukawa, Nobuyuki Tamaoki   +9 more
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Visible Light Communication

Optical Fiber Communication Conference, 2015
▸ VLC physical layer techniques have advanced significantly during last decade. ▸ We have seen tremendous improvements in data rates, range and coverage. ▸ Novel devices such as SPADs and micro LEDs can improve VLC systems considerably. ▸ VLC is not just a point-to-point communication technology.
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A SNR analysis of the visible light channel environment for visible light communication

2012 18th Asia-Pacific Conference on Communications (APCC), 2012
In this paper, we provide Signal-to-Noise Ratio (SNR) analysis of visible light channel environment reflecting practical conditions for the usage of Visible Light Communication (VLC) in Intelligent Transportation System (ITS). Considering practical LED lights (Headlamp and Streetlamp), we perform 3D computer simulations in two ITS scenario.
SeokJu Lee, Sung-Yoon Jung
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Imaging visible light with Medipix2

Review of Scientific Instruments, 2010
A need exists for high-speed single-photon counting optical imaging detectors. Single-photon counting high-speed detection of x rays is possible by using Medipix2 with pixelated silicon photodiodes. In this article, we report on a device that exploits the Medipix2 chip for optical imaging.
Aaron, Mac Raighne, Colin, Brownlee, Ulrike, Gebert, Dzmitry, Maneuski, James, Milnes, Val, O'Shea, Tilman K, Rügheimer   +6 more
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Precoded visible light communications

2013 9th International Conference on Information, Communications & Signal Processing, 2013
Multiple input multiple output (MIMO) technology appears attractive for indoor visible light communication (VLC) systems as multiple light-emitting diodes (LED) sources are typically deployed for indoor environment. Most of current indoor MIMO VLC systems utilize single user terminal scenario to investigate the performance of the system.
Jian Chen 0026, Yang Hong 0008, Zixiong Wang, Changyuan Yu   +3 more
openaire   +1 more source