Results 201 to 210 of about 831,214 (236)

Old Soil Organic Matter Has a Low Carbon:Nitrogen Ratio—A Global Meta‐Analysis About 14C and Soil Stoichiometry

open access: yesGlobal Change Biology, Volume 32, Issue 9, September 2026.
This study demonstrates that old SOM has a low C:N ratio compared to young SOM, indicating that N is preferentially retained in soils compared to organic C. Furthermore, the study shows that the C:N ratio and the Δ14C are higher in forest and shrubland soils than in grassland and cropland soils throughout the soil profile. ABSTRACT Soil organic matter (
Marie Spohn
wiley   +1 more source

Naringenin as a Multifunctional Ingredient Targeting Pathways Associated With Skin Inflammaging: Preclinical and Clinical Evidence

open access: yesJournal of Cosmetic Dermatology, Volume 25, Issue 9, September 2026.
ABSTRACT Background Inflammaging, a sustained state of low‐level inflammatory activity with age, is a driving factor in age‐related changes in skin structure, function, and appearance. By perturbing fundamental biological pathways, inflammaging is a relevant target in skincare and anti‐aging research.
Taylor Oswald   +2 more
wiley   +1 more source

Practical cut-off value for radon concentration in indoor air using an activated-charcoal radon collector. [PDF]

open access: yesRadiat Prot Dosimetry
Yasuoka Y   +10 more
europepmc   +1 more source

A Nutrient‐Responsive LuxR Regulator Orchestrates Effector Gene Expression Across the Legionella Genus

open access: yesMolecular Microbiology, Volume 126, Issue 3, Page 283-300, September 2026.
LexR1 is a LuxR‐type regulator that links nutrient sensing to effector gene expression in Legionella. Activated by a casamino acid‐derived ligand, LexR1 directly controls multiple effector genes using a conserved regulatory element present in numerous putative effectors across different Legionella species.
Chen Adler, Gil Segal
wiley   +1 more source

The regulatory frameworks surrounding CRISPR‐edited papaya and their impact on international commerce

open access: yesJournal of the Science of Food and Agriculture, Volume 106, Issue 11, Page 6262-6270, 30 August 2026.
Abstract The papaya tree (Carica papaya L.), native to the Americas, is cultivated in tropical regions and holds substantial economic importance, with an estimated export volume of 365 000 t in 2023. However, diseases caused by viruses, fungi, bacteria, and nematodes can lead to severe losses.
Luíza Favaratto   +7 more
wiley   +1 more source

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