Results 1 to 10 of about 6,409,578 (294)

Blue Light in Dermatology [PDF]

open access: yesLife, 2021
Phototherapy is an important method of dermatological treatments. Ultraviolet (280–400 nm) therapy is of great importance; however, there are concerns of its long-term use, as it can lead to skin aging and carcinogenesis. This review aims to evaluate the
Magdalena Sadowska   +2 more
doaj   +3 more sources

Antimicrobial blue light inactivates [PDF]

open access: yesFood Chemistry: X
Listeria monocytogenes is a major foodborne pathogen, capable of proliferating under refrigeration. Antimicrobial blue light (aBL) has emerged as a promising non-thermal decontamination strategy, yet its comprehensive mechanisms and compatibility with ...
Biao He   +8 more
doaj   +2 more sources

Radiology blues: Comparing occupational blue-light exposure to recommended safety standards

open access: yesSouth African Journal of Radiology, 2023
Background: The blue-light hazard is a well-documented entity addressing the detrimental health effects of high-energy visible light photons in the range of 305 nm – 450 nm.
Mari Wentzel   +2 more
doaj   +1 more source

Cobalt blue light unit filter - A smartphone attachment for blue light photography

open access: yesIndian Journal of Ophthalmology, 2021
Purpose: The aim of this study was to carry out blue light photography of fluorescein-stained corneas using a novel smartphone attachment. Methods: A smartphone attachment known as the cobalt blue light unit (C-BLU) was developed.
Athul S Puthalath   +5 more
doaj   +1 more source

The Effect of Using Blue Light Filter Feature on Smartphones with Asthenopia Occurrence

open access: yesDiponegoro International Medical Journal, 2021
Background: Smartphone users can be found in almost every class society in Indonesia. Excessive use of smartphones and the blue light emitted by smartphones play an important role in causing asthenopia symptoms.
Arnan Victor Wiryawan   +3 more
doaj   +1 more source

Manipulation of Intraday Durations of Blue- and Red-Light Irradiation to Improve Cos Lettuce Growth

open access: yesFrontiers in Plant Science, 2021
The morphology of plants growing under combined blue- and red-light irradiation is affected by the presence or absence of time slots of blue- and red-light mono-irradiation.
Tomohiro Jishi   +3 more
doaj   +1 more source

Effect of light quality on the cultivation of chlorella pyrenoidosa [PDF]

open access: yesE3S Web of Conferences, 2020
Effect of light quality, including red light, blue light, white light, red and blue mixing light with 8:1, 8:2 and 8:3, on the growth characteristics and metabolite accumulation of chlorella pyrenoidosa was conducted based on light emitting diode (LED ...
Guo Hancheng, Fang Zhiguo
doaj   +1 more source

The Effect of A2E on the Ca2+-PKC Signaling Pathway in Human RPE Cells Exposed to Blue Light

open access: yesJournal of Ophthalmology, 2022
Aims. In a model of blue light-induced damage in N-retinylidene-N-retinylethanolamine (A2E)-loaded human retinal pigment epithelial (RPE) cells, we examined the effect of A2E on the calcium (Ca2+)-protein kinase C (PKC) signaling pathway.
Maomei Luo   +4 more
doaj   +1 more source

Response surface optimization of light conditions for organic matter accumulation in two different shapes of Arthrospira platensis

open access: yesFrontiers in Nutrition, 2023
Arthrospira platensis has attracted wide attention as a cyanobacteria with high nutritional value. In this research, the response surface method was used to study the effects of light cycle, light intensity and red-blue LED conditions on the growth and ...
Sun Jian-Fei   +2 more
doaj   +1 more source

A Simplified Approach to Evaluate Retinal Blue Light Hazard Using the Correlated Color Temperature of LED Light Sources [PDF]

open access: yesJournal of Advances in Environmental Health Research, 2021
Background: Visible light of short wavelength (blue light) can damage the retina cells, called blue light hazard. To protect the retina, permissible exposure limits have been determined by ICNIRP (the International Commission on Non-Ionizing Radiation ...
Farough Mohammadian   +5 more
doaj   +1 more source

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