JBCS

Cigarette filters were pyrolyzed to obtain bio-oil and biochar aiming at efficient CO₂ adsorption.

Through a two-step deoxygenative olefination approach, we synthesized three stachene natural products from isosteviol, including the first reported synthesis of (+)-nidoanomalin.

The figure illustrates the in situ Raman spectroscopic monitoring of the Vilsmeier-Haack cyanation of pyrrole and indole. The visual flow represents the progression of the reaction through substrates, intermediates, and finally, the products, with Raman spectra evidencing the molecular transformations.

The synthesis of molecularly imprinted polymers (MIPs) for scopolamine via bulk polymerization, combined with a 3D-printed device, aims to remove the drug from contaminated drinks, thereby preventing unwanted ingestion and potential crimes facilitated by the drug.

A comprehensive review of the chemistry and biological activities of koningins and related fungal octaketides.

Study of the energy content, fatty acid composition and cytokines tumor necrosis factor alpha (TNF-α) and interleukin-10 (IL-10) content in mature human milk at different breastfeeding intervals (foremilk, middle milk, and hindmilk).

Flowchart summarizing the steps used to conduct virtual screening and identify potential selective inhibitors of Leishmania chagasi dihydrofolate reductase-thymidylate synthase (LcDHFR-TS).

Application of ultrasound and conventional methods to alpaca fibers, demonstrating the absorption of the dyes Synozol Red K3BS and Novacron Navy FN-BN.

A method was developed and validated, by the application of 3² factorial, for the monitoring of azithomycin (AZM) and its impurities.

The platinum nanoparticles (Pt NPs)/MnWO₄ composite was synthesized and showed to be an efficient, reusable catalyst for H₂ generation via NaBH₄ hydrolysis.

A low-cost, 3D-printed liquid handling robot enables autonomous calibration, precise analytical management, and advanced flow analysis, integrating electrochemical and colorimetric detection for unprecedented automation.

Lignin depolymerization was done using an Au/Pd@TiO₂ via three subsequent reactions (alcohol oxidation, photo-cleavage and hydrogenolysis) under light irradiation (UV or green light).

This study highlights the importance of combining in silico analysis with experimental techniques, emphasizing the need for careful handling of simvastatin, particularly concerning the formation of hydrolysis products, oxidation, and light exposure.

Phytochemical study of Ocotea neesiana demolition wood led to the purification of eight compounds. The sesquiterpene α-cadinol and the diterpene 16-methylesteritol A exhibited antibacterial potential against Xanthomonas citri subsp. citri.

Amino acid-modified branched polyethyleneimines enable safer and more efficient deoxyribonucleic acid (DNA) delivery via polyplex formation, offering novel possibilities, including ocular gene therapy.

Representation of the bacterial cellulose (BC) production process using pulp juice from Cereus jamacaru DC fruit fermented with Komagataeibacter hansenii. The steps include the raw fruit, preparation of the medium, and the wet and dry forms of BC.

Probing tailored interactions between doxorubicin and surface modified gold nanoparticles by surface-enhanced Raman scattering (SERS) spectroscopy.

Analysis of input files from Atmospheric Global Emission Inventory in the State of Rio de Janeiro.

Chamaerops humilis fruit pulp was hydrothermally carbonized and subsequently activated by H₃PO₄ to perform Methylene Blue adsorption using hydrochar-activated carbon (CHHAC). Material characterization (scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR)), adsorption experiments, and response surface methodology (RSM) modeling were carried out to optimize conditions, determine performance, and evaluate reusability.

A novel polytrimethylene ether glycol (PO3G) oligomer microwave assisted synthesis with attenuated total reflectance Fourier transformed infrared (ATR-FTIR) reaction monitoring, moving forward into the green chemistry.

This study developed a Brazilian amphetamine hydrochloride certified reference material to support forensic analyses, in partnership with the University, Institute of Metrology, Quality and Technology (Inmetro), and the Federal Police.

In silico analysis suggests that soy isoflavonoids such as 8-hydroxydaidzein and dihydrogenistein may inhibit androgen receptor signaling in prostate cancer, requiring further research.

Nonconventional extraction techniques, ultrasound-assisted and pressurized liquid extractions were compared to dynamic maceration, using ethanol as the solvent, to extract antioxidant compounds, especially ascorbic acid, from camu-camu fruits.

The integrated approach of genome mining with mass spectrometry sheds light on the biosynthesis pathway of oosporein (OOS) and analogous compounds in the culture of Arcopilus amazonicus.

A multi-step in silico pipeline was used to screen 821 lanostane triterpenes against the N-methyl-D-aspartate (NMDA) receptor, identifying three lead candidates with high affinity and potential as fast-acting antidepressants.

A new method for determination of parabens in urine samples using solid phase extraction followed by liquid chromatography-tandem mass spectrometry (LC/MS-MS) analysis.

Eu³⁺-based hybrid responsive to chemical and physical stimuli under UV light as an alternative in the security area.