Most Recent

Nature remains one of the most productive sources of chemical diversity and a continuing inspiration for the design of synthetic analogs [...]

Cyclic trimetaphosphate (cTmp) has been used as a prebiotically plausible compound to generate chemically activated nucleoside 5′-phosphates. While cTmp is mainly available as a trisodium salt, some experiments benefit from different cations. T...

Capsicum chinense Jacq. is an economically important chili pepper species characterized by a high capsaicinoid content, which contributes to its growing relevance in the food, pharmaceutical, and agricultural sectors. Although the chemistry and biolo...

Kalanchoe delagoensis is a Crassulacean acid metabolism (CAM) succulent plant native to Madagascar that has spread as an aggressive invader across subtropical and Mediterranean regions. Research on this species has focused almost entirely on its card...

Powder X-ray diffraction (XRD) was used to determine the crystal structure of sodium chloride (NaCl) powder and to evaluate the accuracy with which a simple laboratory diffraction dataset can recover the crystallographic parameters of a well-known io...

The novel complex [Fe^III(HL)(L)]·2dmf (1) was successfully synthesized by reacting iron chloride with dimethylformamide solution of the Schiff base ligand (H₂L). The ligand was prepared in situ through the condensation of 5-bromo-salicylaldehy...

We present a first-principles investigation of the layered ternary manganese tellurides ${\mathrm{MgMnTe}}_2$, ${\mathrm{Mg}}_3{\mathrm{MnTe}}_4$, and ${\mathrm{MgMn}}_3{\mathrm{Te}}_4$ using density functional theory with GGA and meta-GGA functionals. The optimized tetragonal structures (space group No. 115) satis...

Alzheimer’s disease (AD) is a complex neurodegenerative condition marked by a gradual decline in cognitive abilities, a reduction in acetylcholine (ACh) levels, and the accumulation of β-amyloid (Aβ) plaques. In a healthy brain, appro...

4-(2-Nitrobenzoyl)isoxazoles are readily available from 3,5-disubstituted 4-iodoisoxazoles through iodine–lithium exchange and trapping with 2-nitrobenzaldeyde, followed by Jones oxidation of the obtained secondary alcohols. Reductive ring tran...

One of the most promising absorber materials for solar applications is copper zinc tin sulfide/selenide (CZTS), which has good optical properties and basic elements that are readily available, affordable, and environmentally acceptable. This study ex...

Ammonia (NH₃) is a compelling carbon-free hydrogen carrier. Its catalytic decomposition to produce a hydrogen/nitrogen (H₂/N₂) gas stream is central to the “NH₃-H₂” clean energy cycle, provided that residual NH₃ is removed to fuel-cell-gr...

Capsaicin, the main pungent capsaicinoid of Capsicum species, is often described as either an antioxidant or a pro-oxidant compound. This binary view is useful but does not fully explain its effects on cellular redox homeostasis. The response to caps...

The aim of this study was to determine the phenolic compound profile, antioxidant activity, antiproliferative activity, and toxicity of B. hindsiana. Ethanolic extractions of B. hindsiana leaves and stems were performed. The content of phenolic compo...

The genus Cynara is native to the Mediterranean region and is widely used in food and traditional medicine worldwide. Cynara is characterized by its diverse phytochemical composition, with sesquiterpene lactones, a subclass of terpenoids, being parti...

Polycystic ovary syndrome (PCOS) is a complex endocrine and metabolic disorder characterized by hyperandrogenism, insulin resistance, oxidative stress, and chronic low-grade inflammation, while conventional therapies are often limited by adverse effe...

Chamaecrista nigricans (Vahl) Greene leaves are investigated for their bioactive potential. Extracts were prepared using solvents of varying polarity to obtain a diverse range of compounds. The biological effectiveness of the extracts was analyzed ag...

Zinc oxide (ZnO) nanoparticles are semiconductor nanomaterials widely used in biomedical, environmental, and catalytic applications due to their unique physicochemical properties. However, their increasing environmental release has raised concerns re...

Electrochemical methods for the direct reduction of alkyl esters have been understudied but provide a potential advantage for addressing specific waste streams given that such strategies often require only a minimal chemical profile. One such waste s...

The genera Bombax and Pseudobombax (Malvaceae) are widely used in traditional medicine. This narrative review provides a hierarchical appraisal of their phytochemical and pharmacological profiles based on 35 studies, identifying 22 biological activit...

Allium sativum is widely consumed and studied plant for its potential health-promoting effects. Despite its widespread use, the impact of different extraction methods on the biological efficacy and specific phytochemical composition of garlic has not...

Passion fruit (Passiflora edulis) processing generates by-products rich in bioactive secondary metabolites; however, comparative characterization across fruit fractions remains limited. This study evaluated pulp (PPE), pulp-seed (PSC), and seed (PSE)...

This study investigates the pressure-dependent structural, electronic, mechanical, and thermoelectric properties of LiYN (Y = Sr, Mg, Zn) half-Heusler compounds using first-principles calculations. The structural stability was analyzed by fitting the...

Pseudomonas fluorescens is a major psychrotrophic bacterium responsible for spoilage in refrigerated foods, particularly dairy products, where deterioration is driven by biofilm formation, quorum sensing (QS) regulation, and the secretion of thermost...

The potential of methanolic extracts from jara (Barkleyanthus salicifolius) and pomegranate carpel membranes (Punica granatum) as biological alternatives for the control of phytopathogenic fungi was evaluated against pathogens associated with commerc...

For cable compound manufacturers, accurate formulation fine-tuning is essential to ensure safety, long-term durability, and compliance with international standards for dielectric strength, volume resistivity, and environmental and thermal ageing. Thi...

Nalca (Gunnera tinctoria Mol.) is traditionally consumed for its edible petioles and valued for medicinal properties associated with its bioactive compounds. In this study, natural deep eutectic solvents (NADESs) were synthesized and applied for the...

The growing demand for healthier meat products has led to efforts to reduce synthetic additives, such as nitrites, in processed meats. This study evaluated the effect of enriched safflower oil with oleoresin from Capsicum annuum var. Anaheim (ESO) as...

Antioxidants, such as phenolic compounds, are essential for mammal physiology. Significant research made on the gut–brain axis has produced volumes of evidence indicating that some plant-derived phenolic compounds can reach brain cells to exert...

A novel multidentate ligand with an O,N,O-tridentate ligand moiety and an N-heterocyclic carbene (NHC) was synthesized. Its palladium complex, in which the NHC part coordinates to the palladium atom, was synthesized and structurally characterized. Th...

Mn and Fe complexes of ethylene cross-bridged tetraazamacrocycles, known to retain their reactive metal ions even under harsh aqueous conditions due to the rigidity and topological constraint of the ligands, with methyl, allyl and benzyl pendant arms...

Background: Increasing antimicrobial resistance has directed studies toward investigating the antimicrobial activity of thymol, as well as the antibiofilm and antioxidant potential of its emulsions (with Tween 80) against multidrug-resistant (MDR) K....

α-Fe_2−4xZ_3xO₃ (Z = Ce, Ru) nanoparticles were synthesized via a conventional solid-state reaction route. X-Ray diffraction analysis confirmed that all compositions crystallize in the single-phase hexagonal hematite (α-Fe₂O₃) structu...

Biofouling, the formation of a biofilm on submerged surfaces, is a widespread problem affecting all of the maritime industries and ecosystems. Historically, antifouling solutions have included toxic compounds, such as heavy metals and tributyl tin. R...

In recent years, Biophytum umbraculum Welw. (Oxalidaceae) has undergone several phytochemical and pharmacological investigations. Although its major phytochemical classes have been characterized, few isolated compounds have been reported. The previou...

A systematic study of the chemoselectivity of the reduction of 3-methylcyclohex-2-enone (seudenone) to 3-methylcyclohex-2-enol (seudenol) was performed. Two approaches were investigated, namely the reduction of this ketone using NaBH₄ with modifiers...

The growing demand for sustainable, functional food ingredients has increased interest in algae, particularly for their bioactive compounds. Gracilaria birdiae is mainly used for agar production, but its protein potential is underexplored. Convention...

In this work, gellan gum microspheres (G–MPs) were developed as delivery systems for blueberry extract (Vaccinium myrtillus) (BEX), a source of natural antioxidants rich in anthocyanins (ATCs) and phenolic compounds (PHCs). Gellan gum, an anion...

This study evaluated the effects of incorporating silk fibroin nanoparticles into self-curing polymethyl methacrylate (PMMA) on the mechanical and Candida albicans responses of provisional dental prostheses. Rectangular specimens (64 × 10 &time...

The aim of this study was to evaluate, on a preliminary basis, the ability of multivariate techniques to predict the antioxidant activity of selected Stachys and Betonica species, based on chromatographic data. The methanol extracts of six Stachys sp...

Two crystalline complexes, (2,2′-bipyridine)Cu(CH₃COO)₂·5H₂O (3) and (2,2′-bipyridine)Cu(CH₃COO)₂·CH₃CN (4), have been isolated and characterized by low-temperature single-crystal X-ray diffraction experiments. Crystals of p...

Terpyridines are well-known ligands in coordination chemistry, are valued for their conformational flexibility and strong metal-binding properties, and are also of interest as fluorophores. This study focused on the synthesis and comprehensive invest...

The natural durability of wood, determined primarily by its chemistry, meets the growing demand for environmentally sustainable alternatives to toxic wood preservatives. This study assessed the relationship between the fungitoxic acetone extractive c...

Propolis is a resinous material produced by honeybees characterized by a high phenolic compound and flavonoid content. To date, several studies have examined the chemical composition of Mexican propolis from the south and north of the country. Howeve...

The discovery of antiviral agents is an important research area because the world is increasingly exposed to the risk of viral infectious diseases. Herpes simplex virus type 2 (HSV-2) causes globally prevalent sexually transmitted diseases, and numer...

Background: The incidence of dementia, especially Alzheimer’s disease (AD), is rising, with over 55 million affected globally. Therefore, this disease, for which there is no adequate treatment, is more frequent and prevalent in women. Royal jel...

Endoperoxides constitute a distinctive class of highly oxygenated terpenoids defined by the presence of a cyclic peroxide (–O–O–) bond, a structural motif responsible for their pronounced chemical reactivity and diverse biological e...

This study investigates the activation mechanism of boron-doped carbon (BMC) catalysts for the degradation of the antibiotic sulfamethoxazole (SMX) via persulfate (PMS) activation. The catalysts were synthesized using a sequential double-melting calc...

Poly(acrylic acid)/polyvinylpyrrolidone (PAA/PVP) hydrogen-bonded complexes are of growing interest as functional materials for biomedical applications. However, the influence of polyhydroxyl additives, such as polyols and sugars, on complex formatio...

Humulus lupulus L. (hops) is essential in brewing due to its contributions to bitterness, flavor, and aroma. This study compared the volatile profiles of five commercially important hop varieties—Amarillo, Ariana, Cascade, Centennial, and El Do...

Electrospinning has emerged as a powerful technique for fabricating customised nanofibrous materials with integrated functional nanostructures, offering significant advantages for electrochemical energy applications. This review highlights recent adv...