Publications by authors named "Vidiany Aparecida Queiroz Santos"
Sulfonated derivatives of lasiodiplodan (LAS-S) with different degrees of substitution (1.61, 1.42, 1.
View Article and Find Full Text PDFExocellular (1→6)-β-d-glucan (lasiodiplodan) produced by the fungus MMPI was derivatized by carboxymethylation using different concentrations of a derivatizing agent. Lasiodiplodan was derivatized by carboxymethylation in an attempt to increase its solubility and enhance its biological activities. Carboxymethylglucans with degrees of substitution (DS) of 0.
View Article and Find Full Text PDFChemical Characterization, Antioxidant Capacity and Antimicrobial Potential of Essential Oil from the Leaves of Baccharis oreophila Malme.
Chem Biodivers
February 2019
Article Synopsis
- This study is the first to report on the composition, antimicrobial potential, and antioxidant abilities of essential oil derived from Baccharis oreophila leaves, obtained via hydrodistillation and analyzed with GC/MS.
- The essential oil yielded 0.47% and contained 65 compounds, primarily khusimone and spathulenol, with a notable presence of oxygenated compounds and hydrocarbons.
- Antimicrobial activity was confirmed against S. aureus and C. albicans, while antioxidant properties were evaluated using FRAP, ABTS, and DPPH methods, highlighting the essential oil's significant biological potential for further research.
Photocatalysis over TiO substrates is widely used in effluent treatment specially for organic compounds and for inactivation of pathogenic microorganisms. In the present work, TiO coatings were synthesized by plasma electrolytic oxidation (PEO) and its pathogenic bacteria inhibitory photoactivity was investigated. The photocatalytic activity of TiO coatings was investigated for the inactivation of and and the results were correlated with pore diameter and crystallite size.
View Article and Find Full Text PDF