Helicteres genus, Malvaceae, has pantropical distribution, encompasses about 60 species,
31 of them found in Brazil. Species belonging to this genus are used for treatment of various …

We report the electrochemical potential of conductive filaments produced with recycled
polylactic acid (rPLA) alongside a mixture of graphite (Gpt) and/or carbon black (CB) and …

Additive manufacturing is an emerging tool that has contributed to the sustainable
fabrication of devices in several areas based on the concept of “zero waste”. Considering …

Electrochemical methods are powerful in the characterization and design of redox-
modulating agents. We, herein, report the electrochemical investigation, in aprotic medium …

The inhibitory action of three imine-chalcones on carbon steel corrosion in HCl was
investigated by theoretical and experimental methods. Quantum descriptors were calculated …

For this work, a hydroalcoholic extract was prepared from the aerial parts of the Malvaviscus
arboreus (Malvaceae) species, popularly known as hibisco-colibri in Brazil; and then …

A complete and unambiguous assignment of 1H and 13C nuclear magnetic resonance
(NMR) signals of 29 naphthoquinones is reported on the basis of one-and two-dimensional …

Fruits of Schinus terebinthifolia Raddi were investigated. A fast and efficient method for the
simultaneous determination of 11 polyphenolic substances by high performance liquid …

This report describes the fabrication of a low-cost magnetic separator holder combining 3D
printing and compact neodymium blocks for allowing magnetic extraction and purification of …

Acetylated compounds prepared from naphthoquinones have been reported as antitumoral
prodrugs. Exploring the synthetic versatility of the naphthoquinone and triazolic nuclei …