Results 21 to 30 of about 2,375,680 (397)

Effect of ultraviolet radiation on molecular structure and photochemical compounds of Salvia hispanica medical seeds

open access: yesAIMS Biophysics, 2022
Some seeds are a major source of vitamins and minerals and contain primary and natural antioxidants, making them useful as medical resources to treat infectious diseases in poor and developing countries.
Reham Ebrahim   +3 more
doaj   +1 more source

High intensity ultraviolet radiation induced changes in aquatic arthropod with retene and riboflavin

open access: yesEnvironment Conservation Journal, 2011
Ozone depletion is resulting into increase in ultraviolet radiation level in the world. Exposure to UV radiation has been found to have negative effects on aquatic and terrestrial organisms.
Sunil Kumar, Priyanka Kumari
doaj   +1 more source

Comparative Studies of the Effectiveness of Different Ultraviolet Radiation Protective Welding Google in Calabar, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2023
Welding goggles provide a degree of eye protection while some forms of welding and cutting are being done. They are intended to protect the eyes not only from the heat and optical radiation produced by the welding, such as the intense ultraviolet light ...
A. Bawan, F. A. Kamgba
doaj  

Are Nonprescription Sunglasses in Ethiopian Market Protective for Ultraviolet Radiation?

open access: yesClinical Optometry, 2021
Haile Woretaw Alemu, Nebiyat Feleke Adimassu Department of Optometry, College of Medicine and Health Sciences, University of Gondar, Gondar, EthiopiaCorrespondence: Nebiyat Feleke AdimassuDepartment of Optometry, College of Medicine and Health Sciences ...
Alemu HW, Adimassu NF
doaj  

Metal-rich stars are less suitable for the evolution of life on their planets

open access: yesNature Communications, 2023
Atmospheric ozone and oxygen protect the terrestrial biosphere against harmful ultraviolet (UV) radiation. Here, we model atmospheres of Earth-like planets hosted by stars with near-solar effective temperatures (5300 to 6300 K) and a broad range of ...
Anna V. Shapiro   +9 more
doaj   +1 more source

Development of phytocosmeceuticals protective products with promoting adaptation to ultraviolet radiation and induction of melanogenesis

open access: yesФотобіологія та фотомедицина, 2019
Introduction. Ultraviolet radiation is necessary for a person to function normally, but prolonged exposure to sunlight, including ultraviolet radiation of spectrum C, leads to cancer of the skin.
L.V. Leukhina
doaj   +1 more source

Ultraviolet radiation, both UVA and UVB, influences the composition of the skin microbiome

open access: yesExperimental Dermatology, 2019
Studies have begun to investigate the complex relationship between host and microorganisms in non‐infectious pathologies such as acne, atopic dermatitis and psoriasis.
E. Burns   +16 more
semanticscholar   +1 more source

Ultraviolet radiation oxidative stress affects eye health

open access: yesJournal of Biophotonics, 2018
In the eye, ultraviolet radiation (UVR) is not known to contribute to visual perception but to mainly damage multiple structures. UVR carries higher energy than visible light and high dose exposure to UVR causes direct cellular damage, which has an ...
I. Ivanov   +4 more
semanticscholar   +1 more source

EFFECT OF ULTRAVIOLET RADIATION ON THE COLOR OF FREIJÓ WOOD (Cordia goeldiana Huber) AFTER APPLICATION OF FINISHING PRODUCTS

open access: yesCiência Florestal, 2010
Ultraviolet radiation is considered the most damaging radiation to wood, affecting its properties and especially its color. The application of finishing products such as varnishes, stains and inks can minimize the action of this radiation.
Joaquim Carlos Gonçalez   +4 more
doaj   +1 more source

Ultraviolet radiation changes plant color

open access: yesBMC Plant Biology, 2020
Background Plant absorption of ultraviolet (UV) radiation can result in multiple deleterious effects to plant tissues. As a result, plants have evolved an array of strategies to protect themselves from UV radiation, particularly in the UV-B range (280 ...
Kim Valenta   +7 more
doaj   +1 more source

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