Results 1 to 10 of about 30,136 (183)

Research on gradient aging behaviors of asphalt and decay characteristics of its properties under complex UV radiation conditions based on component diffusion and aging kinetics theory. [PDF]

open access: yesPLoS One
To gain a more comprehensive understanding of UV aging process of base asphalt and SBS polymer modified asphalt, the gradient aging behaviors of asphalt and decay characteristics of their properties under different UV radiation conditions were ...
Liu H   +6 more
europepmc   +2 more sources

Nutlin-3 Loaded Ethosomes and Transethosomes to Prevent UV-Associated Skin Damage. [PDF]

open access: yesLife (Basel)
The skin’s protective mechanisms, in some cases, are not able to counteract the destructive effects induced by UV radiations, resulting in dermatological diseases, as well as skin aging.
Esposito E   +11 more
europepmc   +2 more sources

Soil bacterial community structure, metabolic adaptations and their functional interactions to abiotic factors in Antarctica [PDF]

open access: yesPolish Polar Research, 2021
Antarctica features one of the most ancient, largest glacier reserves and the most pristine environment left on the earth. However, in last few decade disturbances due to industrialization and release of greenhouse gases have led to serious consequences ...
Kunal Jani   +4 more
doaj   +1 more source

UV-B Radiations and Secondary Metabolites

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2020
Ultraviolet-B (UV-B: 280 to 320 nm) radiations have appeared to be detrimental to plants, due to their damaging effects on proteins, lipids, membranes and DNA. UV-B radiations are a significant regulator of plants’ secondary metabolites.
İlkay Yavaş   +3 more
doaj   +1 more source

Experimental Analysis of the Physical Degradation of Polymers The Case of Polymethyl Methacrylate

open access: yesFracture and Structural Integrity, 2020
Polymers are known to be sensitive to aging; their lifetime can be predicted through experimental tests. This paper displays an experimental study on the long-term performance of polymethyl methacrylate (PMMA) exposed to solar (UV) radiations and ...
Kaddouri Afaf   +3 more
doaj   +1 more source

Climate Change Enhanced Carotenoid Pro-Vitamin A Levels of Selected Plantain Cultivars

open access: yesPlants, 2020
Diet diversification and the exploitation of traditional, micronutrient-rich germplasm of staple crops are generally regarded as sustainable and low-cost approaches to increase the micronutrient intake of resource-poor people.
Beloved Mensah Dzomeku   +4 more
doaj   +1 more source

Investigation of epoxy composites for outdoor insulation under accelerated ultraviolet exposure

open access: yesMaterials Research Express, 2021
Epoxy and its composites have shown remarkable properties to be used for outdoor high voltage insulation applications. However, outdoor environment that contains UV-A radiations deteriorates the organic structure of epoxy-based insulators. To analyze the
Safi Ullah Butt   +7 more
doaj   +1 more source

Synthesis, physical, optical and radiation shielding properties of Barium-Bismuth Oxide Borate-A novel nanomaterial

open access: yesNuclear Engineering and Technology, 2023
Barium Bismuth Oxide Borate (BBOB) has been synthesized for the first time using solution combustion technique. SEM analysis reveal flower shape of the nanoparticles.
B.M. Chandrika   +7 more
doaj   +1 more source

Preparation of High-Performance Metal-Free UV/Near Infrared-Shielding Films for Human Skin Protection

open access: yesNanomaterials, 2021
A series of metal-free UV/near infrared (NIR)-shielding coatings are successfully fabricated by shielded cathodic arc plasma evaporation (CAPE) and substrate-biased RF magnetron sputtering processes.
Chih-Hao Liang, Ying-Jung Chen
doaj   +1 more source

Light signaling and plant responses to blue and UV radiations – Perspectives for applications in horticulture [PDF]

open access: yes, 2016
Ultra-violet (UV) and blue radiations are perceived by plants through several photoreceptors. They regulate a large range of processes throughout plant life.
J. Gentilhomme-Le Gourrierec   +5 more
core   +4 more sources

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