Results 1 to 10 of about 331,650 (267)

MODELING THE DYNAMICS OF FOREST ECOSYSTEMS TAKING INTO ACCOUNT THEIR STRUCTURAL HETEROGENEITY AT DIFFERENT FUNCTIONAL AND SPATIAL LEVELS [PDF]

open access: yesВопросы лесной науки, 2022
In many problems of modern forest ecology, it is necessary to analyze the conjugated dynamics of processes occurring at different spatio-temporal scales of the functioning of plant communities and soils resulted from their interaction under the influence
V. N. Shanin   +9 more
doaj   +1 more source

Acute conditions in dermatology: toxic reactions and their treatment

open access: yesConsilium Medicum, 2021
Acute severe conditions caused by the use of various drugs are of particular difficulty in dermatological practice. Toxicodermic reactions include DRESS syndrome, StevensJohnson syndrome, toxic epidermal necrolysis, acute generalized exanthematous ...
Luiza R. Sakaniya   +3 more
doaj   +1 more source

The effect of ammonia activation on the desalination potential of natural zeolite

open access: yesChimica Techno Acta, 2023
Despite the abundance of water bodies on Earth, there is a limited amount of potable water. Therefore, the desalination process is of great interest. Adsorption of the main contaminants of saline water (Na+, K+, Cl– ions) is an alternative process of ...
Aruzhan K. Kenessova   +3 more
doaj   +1 more source

Microbial respiration and functional diversity of soil microbial community under treeline shifts in the Northwestern Caucasus

open access: yesRUDN Journal of Agronomy and Animal Industries, 2021
In mountain areas, one of the noticeable results of modern climate change is rapid shift of treelines to subalpine and alpine meadows. Such vegetation shifts is associated with a change in quality of the plant residues entering the soils, which in turn ...
Aleksandra E. Selezneva   +5 more
doaj   +1 more source

An Efficient Solid-Phase Extraction-Based Liquid Chromatography Method to Simultaneously Determine Diastereomers α-Tocopherol, Other Tocols, and Retinol Isomers in Infant Formula

open access: yesJournal of Food Quality, 2021
The separation and simultaneous quantitation of diastereomers of DL-α-tocopherol, eight tocol forms, and retinols (trans and cis) have been conducted by reversed-phase liquid chromatography followed by solid-phase extraction.
Baifen Huang   +3 more
doaj   +1 more source

Hydroxytyrosol Enrichment of Olive Leaf Extracts via Membrane Separation Processes

open access: yesMembranes, 2022
Antioxidants isolated from plant materials, such as phenolics, have attracted a lot of attention because of their potential uses. This contributes to the idea of the biorefinery, which is a way to produce useful products from biomass waste. Olea europaea
Costas S. Papageorgiou   +5 more
doaj   +1 more source

High-Yield Production of a Rich-in-Hydroxytyrosol Extract from Olive (Olea europaea) Leaves

open access: yesAntioxidants, 2022
The aim of the present study was to explore the high-yield production of hydroxytyrosol, a phenolic compound with very high antioxidant capacity. Olea europaea leaves were chosen as feedstock as they contain significant amounts of oleuropein, which can ...
Costas S. Papageorgiou   +5 more
doaj   +1 more source

Data on 30-year stand dynamics in an old-growth broad-leaved forest in the Kaluzhskie Zaseki State Nature Reserve, Russia

open access: yesNature Conservation Research: Заповедная наука, 2022
The article provides primary data on repeated tree measurements collected during two censuses on a permanent sampling plot (440 m × 200 m) established in the old-growth polydominant broad-leaved forest in the Kaluzhskie Zaseki State Nature Reserve ...
Maxim P. Shashkov   +6 more
doaj   +1 more source

Multidirectional in vitro and in cellulo studies as a tool for identification of multi-target-directed ligands aiming at symptoms and causes of Alzheimer’s disease

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2020
Effective therapy of Alzheimer’s disease (AD) requires treatment with a combination of drugs that modulate various pathomechanisms contributing to the disease.
Natalia Szałaj   +12 more
doaj   +1 more source

Study of pine forest stand structure in the Priosko-Terrasny State Nature Biosphere Reserve (Russia) based on aerial photography by quadrocopter

open access: yesNature Conservation Research: Заповедная наука, 2021
In this paper, we investigated three pine (Pinus sylvestris) forest plots (each of 50 × 50 m), different by age and composition, located in the Prioksko-Terrasny State Nature Biosphere Reserve (Moscow Region, Russia). This study was aimed to evaluate the
Natalya V. Ivanova   +2 more
doaj   +1 more source

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