Results: 3070

Change in leaf anatomy, physiology, and essential oil of Varronia curassavicaJacq. accessions under two light conditions

The aim of this study was to evaluate the effect of light on anatomy, physiology and essential oil content and composition of Varronia curassavica. They were analysed two light conditions (full sunlight and protected environment with 50% shade screen) and five accessions (VCUR-101, VCUR-102, ...

Biotechnological potential of essential oils from different chemotypes of Lippia alba(Mill.) N.E.Br. ex Britton & P. Wilson

This study reports the biotechnological importance of seven Lippia albaspecimens collected in different places in Brazil, and evaluation of some activities as larvicidal against Aedes spp., antifungal against dermatophytes; cytotoxicity against SNB-19 (astrocytoma), HCT-116 (human col...

Seasonal variance in the chemical composition of essential oils from Lantana camaraaccessions and their trypanocidal activity on Phytomonas serpens

The objective of this study was to investigate the seasonal variance of the content and chemical composition of the essential oil from Lantana camara accessions at two harvest times, and to analyze the trypanocidal activity on Phytomonas serpens. Essential oil content ranged from 0.13 to 0.29% in the rai...

Seasonal variation of essential oil of germplasm of Lippia origanoidesKunth. (Verbenaceae)

The biological activities attributed to Lippia origanoides Kunth. vary according to the chemical composition of its essential oil, which can be related to weather factors. The aim of this research was the seasonal study of the essential oil chemical composition taken from L. origanoi...

Clinical follow-up at 18 months of two bulk fill occlusal composite resins: a double-blind randomized clinical study

J. oral res. (Impresa); 11 (5), 2022
Objetive: To compare the clinical behavior of two types of Bulk Fill composite resins and a nanohybrid resin at 18 months in occlusal restorations. Material and Methods: Three occlusal restorations were performed in each one of the 55 participants. They were randomly distributed into three groups, TN: Te...

Thermal expansion and corrosion resistance of cobalt-chromium alloys fabricated by contemporary manufacturing processes: an in vitro study

J. oral res. (Impresa); 11 (5), 2022
In Purpose: The fabrication technique can influence the mechanical properties of Cobalt-Chromium (Co-Cr) dental alloys. Hence, the present study aims to determine the corrosion resistance and thermal expansion of alloys manufactured using three contemporary techniques. Material and Methods: A total of ni...

Eletrofiação aplicada a cicatrização de feridas: revisão de literatura

feridas correspondem a interrupção da continuidade da pele, com a perda de uma ou mais camadas do tecido cutâneo. Curativos tradicionalmente aplicados em feridas cutâneas buscam principalmente fornecer uma barreira de proteção e permitir o desenvolvimento dos eventos celulares e bioquímicos que co...

Estudo do potencial antiviral sobre Sars Cov-2 dos compostos identificados nas folhas do extrato bruto de Eugenia pyriformis

Eugenia pyriformis Cambess (Myrtaceae), conhecida popularmente como uvaia. Em seus frutos são encontrados compostos fenólicos com ação antioxidante e nas folhas foram detectados altos teores de flavonoides e taninos hidrolisados que se mostraram inibidor da protease de 2019 - nCoV e SARS-CoV. Neste s...

Alternativas de controle do diabetes

O Diabetes desde a antiguidade tem sido uma das maiores causas de morte entre as populações do globo, e segundo a Organização Mundial da Saúde continua assolando nos nossos dias. Apesar das descobertas de tratamentos mais eficazes, a doença vem avançando em progressões assustadoras atualmente, co...

Uso de quitina e quitosana como adsorventes de amônia de efluentes aquícolas: revisão de literatura

Os resíduos provenientes da aquicultura são derivados da ração e da excreção dos peixes e podem estar sedimentados, suspensos ou dissolvidos, ocasionando elevados valores de DBO, DQO, nitrogênio e fósforo. A produção de camarões no Brasil tem gerado elevadas quantidades de resíduos sólidos, ...