Results 21 to 30 of about 293,237 (309)

Diterpenoids inhibit ox-LDL-induced foam cell formation in RAW264.7 cells by promoting ABCA1 mediated cholesterol efflux

open access: yesFrontiers in Pharmacology, 2023
Introduction: Atherosclerosis is the main cause of many cardiovascular diseases and contributes to morbidity and mortality worldwide. The formation of macrophage-derived foam cells plays a critical role in the early stage of atherosclerosis pathogenesis.
Cheng Zhang   +12 more
doaj   +1 more source

Extractive Metallurgy and Chemistry

open access: yesCrystals, 2023
In recent years, the proper management and recycling of metallurgical waste have become increasingly important due to their significant environmental impact and the potential for the recovery of valuable metals in order to save natural resources [...]
Dmitry Zinoveev   +2 more
openaire   +2 more sources

Partial and Total Solvent-Free Limonene’s Hydrogenation: Metals, Supports, Pressure, and Water Effects

open access: yesJournal of Chemistry, 2020
Bio-based solvents menthene and menthane were obtained through limonene’s partial and total hydrogenation under various catalytic conditions. Heterogeneous catalysts based on different active metals and supports (carbon, alumina, and silica) were ...
Fanta J. Ndongou Moutombi   +4 more
doaj   +1 more source

Mesoporous Silica Modified with 2-Phenylimidazo[1,2-a] pyridine-3-carbaldehyde as an Effective Adsorbent for Cu(II) from Aqueous Solutions: A Combined Experimental and Theoretical Study

open access: yesMolecules, 2022
In this study, we will present an efficient and selective adsorbent for the removal of Cu(II) ions from aqueous solutions. The silica-based adsorbent is functionalized by 2-phenylimidazo[1,2-a] pyridine-3-carbaldehyde (SiN-imd-py) and the ...
Rafik Saddik   +8 more
doaj   +1 more source

Temporal variation and risk assessment of heavy metals and nutrients from water and sediment in a stormwater pond, Brazil

open access: yesWater Supply, 2023
Urban watercourses are under pressure owing to the inflow of environmental pollutants from stormwater and effluent. The concentrations of heavy metals, ammoniacal nitrogen, total phosphorus (TP), and physicochemical parameters were monitored in a ...
Emanoelle Pereira da Silva   +3 more
doaj   +1 more source

2-methyloxolane as alternative solvent for lipid extraction and its effect on the cactus (Opuntia ficus-indica L.) seed oil fractions☆

open access: yesOilseeds and fats, crops and lipids, 2020
The potential of 2-methyloxolane (2-MeO) as an alternative solvent to extract cactus seed oil was compared, in qualitative and quantitative terms, with that of n-hexane, a solvent commonly used for the extraction of edible or cosmetic oils.
Gharby Said   +5 more
doaj   +1 more source

Higher Yield and Polyphenol Content in Olive Pomace Extracts Using 2-Methyloxolane as Bio-Based Solvent

open access: yesFoods, 2022
Despite its severe toxicity and negative environmental impact, hexane remain the solvent of choice for the extraction of vegetable oils. This is in contrast with the constantly growing demand for sustainable and green extraction processes.
Christian Cravotto   +9 more
doaj   +1 more source

Nanostructured Na2CaP2O7: A New and Efficient Catalyst for One-Pot Synthesis of 2-Amino-3-Cyanopyridine Derivatives and Evaluation of Their Antibacterial Activity

open access: yesApplied Sciences, 2022
A facile and novel synthesis of thirteen 2-amino-3-cyanopyridine derivatives 5(a–m) by a one-pot multicomponent reactions (MCRs) is described for the first time, starting from aromatic aldehydes, malononitrile, methyl ketones, or cyclohexanone and ...
Redouane Achagar   +9 more
doaj   +1 more source

A Highly Efficient Environmental-Friendly Adsorbent Based on Schiff Base for Removal of Cu(II) from Aqueous Solutions: A Combined Experimental and Theoretical Study

open access: yesMolecules, 2021
Removal of heavy metals from drinking water sources and rivers is of strategic health importance and is essential for sustainable ecosystem development, in particular in polluted areas around the globe. In this work, new hybrid inorganic-organic material
Said Tighadouini   +7 more
doaj   +1 more source

Micronized Prinsepia utilis Royle Seed Powder as a Natural, Antioxidant-Enriched Pickering Stabilizer for Green Cosmetic Emulsions

open access: yesCosmetics
The valorization of agricultural byproducts into functional cosmetic ingredients is a promising strategy for sustainable formulation development. In this work, raw Prinsepia utilis Royle seed residue powder (RPURSRP) which was discarded after oil ...
Chuanjun Ye   +4 more
doaj   +1 more source

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