Results 121 to 130 of about 161,035 (283)

No evidence of the long-term in vitro toxicity of Aeroxide P25 TiO2 nanoparticles in three mammalian cell lines despite the initial reduction of cellular mitochondrial activity

open access: yesNukleonika
We studied the effects of Aeroxide P25 titanium dioxide nanoparticles (TiO2 NPs) with a diameter of 21 nm on induction of DNA damage and long-term survival of three human cell lines: hepatocellular liver carcinoma HepG2, colorectal adenocarcinoma HT29 ...
Męczyńska-Wielgosz Sylwia   +9 more
doaj   +1 more source

Refining the timing of Middle Pleistocene (MIS 12 to MIS 6) ice advances into northern central Europe: sedimentological analysis and single‐grain luminescence dating of glaciotectonic complexes and tunnel‐valley fills

open access: yesBoreas, EarlyView.
We summarize the current state of knowledge on the age of the Middle Pleistocene ice advances into northern central Europe and provide 25 new single‐grain feldspar luminescence ages of Elsterian and Saalian glacigenic sediments to constrain the age of the ice advances and their tentative correlation with marine isotope stages/substages.
Niklas von Soest   +10 more
wiley   +1 more source

Outdoor work as risk factor for facial melanoma: UV exposure, risk awareness, and occupational relevance

open access: yesJDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
Summary Background This study explored UV exposure and prevention behaviors among melanoma patients, focusing on occupational UV exposure, melanoma characteristics, risk awareness, and protective behaviors. Patients and Methods This cross‐sectional study analyzed demographics, melanoma characteristics, UV exposure, awareness, and preventive measures ...
Susanne Dugas‐Breit   +3 more
wiley   +1 more source

Toxicity of High-Density Polyethylene Nanoparticles in Combination with Silver Nanoparticles to Caco-2 and HT29MTX Cells Growing in 2D or 3D Culture

open access: yesMolecules
The enormous applications of various nanoparticles (NPs) have raised the possibility that humans may be simultaneously exposed to mixtures of them in real life.
Sylwia Męczyńska-Wielgosz   +5 more
doaj   +1 more source

New alternatives in photoprotection: Preparation and evaluation of lamellar silicate derivatives and their use as sunscreens

open access: yesInternational Journal of Cosmetic Science, EarlyView.
The use of nanotechnology in sunscreens has increased, with various filters and organoclays tested for new intercalated formulations. As animal toxicity tests decrease, New Approach Methodologies are favoured. The S4 + OMC‐NC improved cell survival under SSL and showed antimutagenic properties, making it a promising candidate for safe photoprotection ...
Daniel Mabundu Kibwila   +6 more
wiley   +1 more source

Concurrent ANNPE and vertebral T‐cell lymphoma in a dog: A case report

open access: yesJournal of Small Animal Practice, EarlyView.
Acute non‐compressive nucleus pulposus extrusion (ANNPE) is a recognised cause of peracute spinal cord injury in dogs, involving sudden extrusion of non‐degenerated nucleus pulposus with minimal compression. While often linked to vigorous activity, its triggers remain unclear.
A. Mondino   +5 more
wiley   +1 more source

Radiation quality and radiation risks - some current problems [PDF]

open access: yes, 1989
Hahn, K.   +2 more
core   +1 more source

Germicidal potential and skin compatibility of an innovative UVC phototherapy device emitting at 234 nm

open access: yesPhotochemistry and Photobiology, EarlyView.
A phototherapy device emitting principally at 234 nm was assessed for antimicrobial efficacy against Methicillin‐resistant Staphylococcus aureus and evaluated for skin health hazards. Abstract Chronic wounds are a major healthcare issue affecting more than 10 million Americans each year, with a 5‐year survival similar to cancer and costing the ...
Zheng Tang   +4 more
wiley   +1 more source

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