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In this study, the influence of seasonal variation on the chemical composition of the essential oil and the bioactivity of Psidium cattleyanum was evaluated.

Study of synthesis methodologies to develop heterogeneous catalysts starting from ornamental stone waste and coconut shell-derived activated carbon.

Interpretation of the variance of trace elements in samples of oysters submitted to the purification process and consumed on the coast of the state of Pará.

Areas of anthropized veredas with the aim of collecting soils and isolating their humic acids for chemical and spectroscopic analysis.

Antimicrobial action of a new chemotype of Piper aduncum essential oil.

Distilled water can be substituted for condensed air-conditioning water in chemistry teaching laboratories

Hexacyanoferrate (HCF) materials for use in aqueous batteries of proton insertion. These are low-cost, safe and can be applied to large stationary systems.

Acetoxyacetyl chloride is used as an acyl halide for acetyl group transfer in acylation reactions. It's predominantly employed in synthesizing new β-lactam derivatives, advancing medicinal chemistry and natural product synthesis.

This tutorial addresses pectin extraction in seriguela (Spondias purpurea L.) using an experimental design, with an emphasis on the free software "R". The steps involved in the process were explored, providing a practical and accessible understanding of the data analysis for pectin extraction.

Using multiple linear regression to speed up the estimation of the free energy of injection for D-π-A organic dyes based on triphenylamine.

This review presents the application of electrochemical sensors for the detection of volatile organic compounds (VOCs) and other substances present in exhaled breath.

The oxidation reaction of menthol to menthone offer ample opportunities to teach different chemical concepts.