JBCS

Keywords map of the most frequently encountered terms in articles regarding the use of silver nanoparticles as antimicrobial agents between 2014 and 2023.

Is there a developed method to analyze whether or not this food is organic?

The metabolites of four macroalgae species from sandstone reefs on the Brazilian tropical coast were characterized. Red algae had the highest concentrations of carbohydrates, protein, and lipids and most of the metabolites.

A new fluorescent platform based on calixarene derivative and metal-organic framework (MOF) was synthesized and used as fluorescent probe for cation sensing.

Comparison of the extraction of bioactive compounds from the by-product of cupuaçu seed by microwave-assisted extraction (MAE) and high pressure/temperature extraction (HPTE), using the Box-Behnken 3³ factorial design. Both extraction techniques proved viable for polyphenol recovery in cupuaçu seed by-product, with multi-response optimization indicating ideal conditions, achieving a 48% recovery of (‒)-epicatechin.

The unconventional Brazilian Brosimum gaudichaudii fruits, rich in primary and secondary metabolites, vitamins A and C, offer health benefits. This study highlights their potential in the food industry, suggesting new preparation and consumption methods, aiming to reintroduce this unconventional Brazilian fruit into popular culture for its quality and health benefits.

A novel SiO₂/PAMAM-G3 nanocomposite is crafted for efficient extraction and sensitive detection of benzoylurea insecticide residues in tea infusions. The dendrimer-functionalized silica nanoparticles exhibit superior adsorption capacity and selectivity, enabling robust analysis down to trace levels. This green, versatile approach opens up new avenues for food safety monitoring.

Imidazole-derived ionic liquid-functionalized poly (butylene adipate co-terephthalate) / poly (lactic acid) (PBAT/PLA) blend composites and montmorillonites have shown promise for improving polymer blend thermal and mechanical properties.

Visualization of the last frame from 100 ns of molecular dynamic simulations between the complex of receptor-binding domain (RBD) protein and neutralization of the dimeric antibody IgA (PDB ID: 6UE7). This antibody class showed the greatest potential for neutralizing spike protein with binding affinity of -199.120 kcal mol^-1.

Identification of fatty acids and 1-hydroxy-3,7-dimethoxyxanthone in Bredemeyera brevifolia extracts. Its methanolic extract demonstrated in vitro antifungal potential on clinical samples and American Type Culture Collection (ATCC). The in silico test indicated potential for CYP 51 inhibition, especially for xanthone.

The N-β-acetyltryptamine from Aspergillus spp can be a potential insecticidal agent against the Aedes aegypti vector.

Steel mills produce metallic waste that can be reused in the synthesis of magnetic nanoparticles with forensic application, restoring serial numbers.

Chemical constituents and evaluation of antioxidant and antimicrobial activities of Combretum lanceolatum twigs.

Scheme of the solid-liquid extraction with low-temperature partitioning (SLE/LTP) technique for extracting pesticides of green tea leaves and analysis by gas chromatography coupled to mass spectrometry (GC-MS).

A new alkaloid and other compounds were isolated from Justicia wasshauseniana and characterized by high-resolution electrospray ionization mass spectrometry (HRESIMS) and nuclear magnetic resonance (NMR). The stereochemistry was confirmed by circular dichroism (CD) and time-dependent density functional theory (TD-DFT).

The study analyzes the combination of frontier orbitals of aniline and dodecylbenzene sulfonic acid structures, using the density functional theory (DFT) B3LYP-6/311+G* method, whose result indicates the formation of anilinium-DBS (dodecylbenzene sulfonate) salt.

A novel nanocomposite of biochar and maghemite was prepared and characterized to investigate its efficacy in the competitive adsorption of endocrine disruptors from aqueous media.

Thermodynamic study of the immobilization of bioactive compounds from the extract of jabuticaba peel powder (JPP) in cellulose extracted from sweet sorghum bagasse forming the adsorbent-bioactive complex (ABC).

Immobilization of an extracellular fructosyltransferase from Aspergillus oryzae IPT-301 on alkali-treated corncob particles for fructooligosaccharide production.

Ships can be a potential source of polycyclic aromatic compounds and particulate matter in the atmosphere of the city of Rio de Janeiro.

Nisin-loaded polyethylene oxide (PEO) nanofibers with antibacterial activity against Staphylococcus aureus and Bacillus subtilis were developed via green electrospinning.

The use of gas chromatography and mass spectrometry techniques is a powerful tool for determining and differentiating the lipid profiles of vegetable oil food supplements.

Isolation and characterization of Siparuna cymosa leaf compounds. 3-(4,5-Dimethyl-2-thyazolyl)-2,5-diphenyl-tetrazoliumbromide (MTT) assay against leukemia cell line.

The formation of buffalo lactoferrin (Bf-LF)-amoxicillin opens possibilities to investigate the potential of this combinations against bacteria pathogens.

Despite the absence of toxic metals, the solvents used on vape products, glycerin and propylene glycol, show toxicity in yeast and cardio myoblast cell model. Propylene glycol presented the highest levels of toxicity indicating its use should be approached with caution or avoided.