JBCS

The image depicts the possible applications of the nanofibers that could involve energy storage and conversion, environmental remediation, and catalysis.

Dry reforming of methane converts CO₂ and CH₄ into syngas. The calcination at 700 °C results in titanate nanorods. Ni-TNR catalyst enhances CO₂ and CH₄ conversion with low carbon deposition.

Preparation of lignin/TiO₂ composites with Agave sisalana residue applied for bisphenol-A removal. The adsorbent can be used in six cycles, removing over 70% by the third cycle, which indicates good stability.

A virtual screening protocol to identify possible Trypanosoma cruzi sterol 14α-demethylase (TcCYP51) inhibitors from U.S. Food and Drug Administration (FDA)-approved drugs using combined computational techniques.

A nanocatalyst by the covalent functionalization of crumpled graphene (CG) with imidazole for degradation of organophosphates (OPs).

Molecularly imprinted polymers applied for the extraction of catechin from jaboticaba peel samples in a semi-automated analytical approach.

The Ugi multicomponent reaction (MCR) involves four components (aldehyde, amine, isocyanide, and carboxylic acid) to form bisamide. In this study, the reaction utilized a carbohydrate, an aromatic amine, a commercial copolymer, and tert-butyl isocyanide.

This graphic illustrates the optimization of a mixed juice formula resulting in an optimal blend with high antioxidant activity.

This account describes the LASSBio Chemical Library diversity and a virtual screening against feline McDonough sarcoma-like tyrosine kinase 3 (FLT3).

In this short review, we present how carbamates can be seen as "good guys" by their use in medicine (hope), or "bad guys", due to their misuse in pesticides and as chemical weapons (death).

A new methodology employs microwave heating for interesterification reactions for biodiesel and triacetin production.

Modified flavonoids were synthesized and showed potent antiproliferative and antiparasitic activity in vitro and in vivo, and antiviral activity in vitro.

Brazilian red propolis from different origins: chemical and mid-infrared spectroscopic characterizations and classification by chemometrics.

Microwave-ultraviolet-visible radiation-assisted synthesis method to produce cobalt-modified 3D ZnO for environmental remediation of emerging pollutants and CO₂ reduction.

Mini review highlighting amidine derivatives: principal synthesis methods and anti-Leishmania activity results.

Lipid images by desorption electrospray ionization mass spectrometry imaging (DESI-MSI) of brains of Wistar rats submitted to total body irradiation (TBI).

Fatty acids composition indicates lower cost vegetable oils as major source of adulteration, and discriminatory analysis using volatile organic compounds (VOCs) showed the presence of adulterant markers in the extra virgin olive oil (EVOO).

Principal components analysis to determine the parameters impact on thionation by Lawesson's reagent and phosphonates.

Five Schiff bases derived from a sulfonamide-containing motif were synthesized and characterized by spectroscopic methods combined with density functional theory (DFT) calculations, and had their crystal structures elucidated. Two compounds showed promising antiviral activity against arboviruses.

A composite material with magnetic and pH-responsive properties, consisting of chitosan/poly(2-diisopropylamino)ethyl methacrylate (Fe₃O₄/SiO₂/CS/PDPA) was developed for application in avermectins adsorption in aqueous medium.

Pesticides extensively used in agriculture show a high potential for contaminating water bodies.

Hydrogel films containing tannic acid (TA) were prepared and characterized by different techniques and the active release was investigated to obtain a suitable material to be applied in skin care routines.

Simple prepared Fe₃O₄:RGO catalysts present high activity for indigo carmine dye photodegradation.

The study investigated the distribution of arsenic and metals in a Brazilian tropical reservoir over time. Elevated element concentrations were found in specific water and sediment zones. The sediment core dated back to 1940 and showed increasing element concentrations, emphasizing the need for ongoing monitoring.

The 1,4-naphthoquinones interact moderately into a positive electrostatic pocket of human serum albumin (site I) via ground-state association.

This critical review encompasses the analysis of studies from 2016 to 2023 that employ the Community Multiscale Air Quality Model (CMAQ) model for ozone simulation.

Structural characterization of biomass from cultivated red algae Crassiphycus birdiae in natura and residual.

Stem barks of Luehea ochrophylla were exposed to different doses of gamma radiation. The dose of 5.0 kGy was effective to achieve total decontamination. The trans-aconitic acid has its concentration significantly altered with radiation in phenolic fraction being citric acid the main radiolytic product formed.

The identification and quantification of input quantities to the measurement uncertainties were estimated by dynamic light scattering using reference material polyvinylpyrrolidone coated silver nanoparticles.

Costunolide was isolated from the resin oil of Saussurea lappa. The products of the microwave-assisted Pd^II-catalyzed reaction of costunolide were isolated by semi-preparative high performance liquid chromatography (HPLC) and purified by analytical HPLC. The products were identified by nuclear magnetic resonance (NMR).

Chemical profiling of Annona tomentosa stem bark and evaluating its impact on breast (MCF-7) three-dimensional (3D) tumor spheroids.

Dye-modified Nb₂O₅ nanoparticles for photodynamic therapy (PDT).

Identification and quantification of gallic acid using the high-performance liquid chromatography (HPLC) method in the methanolic extract obtained from Schinus terebinthifolius leaves, branches, and fruits.

N-Doped porous biochars produced from corn husks display different CO₂ adsorption capacities, selectivity and isosteric heats.

Practical optimizations of the reaction medium improved the challenging enzymatic resolution of tertiary alcohols.

Mangroves are highly productive ecosystems distributed in tropical and subtropical regions in the world. Many different species of fungi can be isolated from this ecosystem. These fungi can be a rich source of useful antimicrobial compounds.

Differences in composition between traditional Coffea canephora varieties (conilon and robusta) are smaller than among them and intervarietal hybrid coffees.

Chemical and enzymatic combinatorial synthesis in continuous-flow is proposed as an innovative technology to obtain aroma esters.

Black carbon concentration was measured on particulate matter (PM₁₀ and PM_2.5) collected on filters from the Metropolitan Region of Rio of Janeiro during 2018 and 2019.

Laser flash photolysis of 2-alkoxythioxanthones generates the corresponding triplet excited state which can lead to the formation of reactive intermediates.

Photodecarboxylation reaction yield and Chlorella variabilis fatty acid photodecarboxylase (CvFAP) photostability were increased by using violet light emitting diode (LED) (397 nm) when compared to the high-power blue LED (439 nm).

Cave fungi from Gruta do Catão biodegraded the pyrethroid pesticide gamma-cyhalothrin, showing potential for biotechnological applications. Furthermore, a biodegradation pathway was presented.

Ab initio molecular dynamics calculations were carried out to evaluate the interaction between the chitosan monomer and calcium ion, considering both the gas phase and microsolvation environments.

Licarin A derivative DL21 displays high toxicity to Leishmania amazonensis.

The species of the bloodstains can be identified rapidly, non-destructively and accurately based on a handheld near infrared spectroscopy spectrometer and convolutional neural network-support vector machine algorithm.

Treatment of SH-SY5Y neuroblastoma cells with a carvacrol-based Morita-Baylis-Hillman adducts (MBHAs) promotes cell death by apoptosis, with low toxicity in vivo, emphasizing the potential of carvacrol acrylate/2-naphthyl adduct for future development of anticancer agents.

Spectroscopic, chemical and biological data published between 1965-2022 on acylphloroglucinol derivatives are compiled in this review.

The machine learning model discriminant analysis by partial least squares (PLS-DA) was capable of predicting the diagnosis of coronavirus disease (COVID-19), human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS), tuberculosis (TB), and HIV/TB co-infection patients with high accuracy and identifying potential biomarkers associated with the diagnosis.

Poly(oxazoline)s coupled hydroxyethyl starch nanocapsules were developed by inverse miniemulsion via interfacial polyaddition in order to create a powerful protein suppressor vehicle.

This article portrays the use of a design of experiments to determine how each experimental condition (pyrolysis temperature, base concentration, and activation temperature) and their correlation would affect the properties of activated carbons (from sugarcane bagasse), produced using a solid-state reaction. The results indicated the successful production of activated carbons of surface areas higher than 1400 m² g^-1.

Pleurotin (left) is a potent inhibitor of the thioredoxin reductase (TrxR) enzyme, a target for cancer chemotherapy. This work proposes a new derivative (right) that is ca. 40% more active against TrxR than pleurotin.

The alkaloid fractions of Fusaea longifolia showed high anti-Plasmodium activity and moderate cytotoxic activity. Through characterization via liquid chromatography coupled to mass spectrometry (LC-MS/MS) and using molecular networks, these fractions proved to be promising sources of isoquinoline alkaloids. Based on the molecular docking approach, these alkaloids demonstrated inhibition potential against target enzymes of the Plasmodium falciparum parasite.

Glycerophospholipid profiles of wild Amazonian fish observed through mass spectrometry by analyzing season (drought and flood) influences.

This study investigates the impact of solvent media on the structural and optical behaviors of two isomers of thiazine derivatives. We analyze the effects of relocating the NO₂ group within the isomers and its implications on molecular geometries, optical parameters, and gap energies across different solvent environments. Bond dissociation energy calculations and various analytical insights further contribute to our understanding of these derivatives.

Sodium glyceroxide is a cheap, stable, and safe homogeneous alkaline catalyst for the alcoholysis of triglycerides.

2-Hydrazinyl-4-(4-methoxyphenyl)thiazole (PD76) intestinal permeability was assessed by means of the comparison of in vitro assay in Caco-2 cells and in silico platforms.

Unlocking seasonal fluctuations in the chemical profile of Eugenia punicifolia through ¹H nuclear magnetic resonance and multivariate analysis. Dimethyl sulfoxide (DMSO) leaf extracts revealed distinct chemical profiles and antioxidant activities across seasons, providing insights into the defense mechanisms of the plant.

The image presents a vortex-operated plasma reactor, UV-spectra and chemical kinetics data, culminating in the determinant step for HNO_3(aq) production.

Quantitation method to analyze fentanyl and seven analogues in postmortem blood samples by protein precipitation and liquid chromatography-tandem mass spectrometry.

Sequenced oxidation of glycerol forming glyceraldehyde, glyceric acid, tartronic acid and mesoxalic acid catalyzed by bimetallic silver and palladium nanoparticles anchored on the cobalt ferrite surface.

This study optimizes and validates liquid-liquid extraction with low temperature purification (LLE-LTP) for the first time to determine tolfenpyrad in water.

A seven-step high yielding process from low cost α-resorcylic acid to obtain deoxyrhapontigenin is presented. Intermediaries for divergent strategies and structures are also obtained in high yields.

Microfibers of poly(butylene-adipate-co-terephthalate) (PBAT) and poly-(ε-caprolactone) (PCL) containing ibuprofen were obtained by electrospinning technique. The material revealed potential for transdermal application.

NOx emission factors of heavy vehicles were measured through a sensor and compared to legislation.