Results: 3070

About the necessity of including HoBi-like pestiviruses in bovine respiratory and reproductive viral vacines

Pesqui. vet. bras; 41 (), 2021
HoBi-like pestiviruses (HoBiPeV) constitute a novel group of bovine pestiviruses, genetically and antigenically related to bovine viral diarrhea virus 1 (BVDV-1) and BVDV-2. Recent data shows that HoBiPeV are endemic among Brazilian cattle, yet bovine reproductive/respiratory vaccines contain only BVDV-1...

Insecticidal activity of Gallesia integrifolia (Phytolaccaceae) essential oil

This study evaluated the insecticidal activity of Gallesia integrifolia essential oil from fruits, leaves, and flowers against Aedes aegyptilarvae and pupae. The essential oil was obtained by hydrodistillation and characterized by gas chromatography-mass spectrometry. Sulfur compounds represented 95 to ...

Multivariate statistical analysis of the essential oils of five Beilschmiedia species from Peninsular Malaysia

Identification of the chemical compositionof essential oils is very important for ensuring the quality of finished herbal products. The objective of the study was to analyze the chemical components present in the essential oils of five Beilschmiediaspecies (i.e. B. kunstleri, B. maingayi, B. penangiana,...

Antimicrobial activity of the essential oils from the leaves and stems of Amomum rubidum Lamxay & N. S. Lý

This paper described the chemical compositions and antimicrobial activity of the essential oils from the leaves and stem of Amomum rubidumLamxay & N. S. Lý, collected from Bidoup Nui Ba National Park, Lam Dong, Vietnam. The essential oils were obtained by hydrodisitllation method while antimicrobial ac...

Effect of sulfonated block copolymer on the equilibrium and thermal properties of sulfonated fluoroblock copolymer blend membrane

Cienc. tecnol. salud; 8 (1), 2021
Polymeric membrane technologies demand the synthesis of new polymers to enhance their equilibrium, thermal, and transport properties. Therefore, the focus of this investigation was the evaluation of the equilibrium and thermal properties of a sulfonated fluoroblock copolymer blend membrane composed of su...

Relationship between the diet quality index in nursing mothers and the fatty acid profile of mature breast milk

ABSTRACT Objective: To evaluate the relationship between the maternal diet quality and the fatty acid composition of breast milk in the first trimester of lactation. Methods: This is an observational cross-sectional epidemiological study of nursing mothers. The data collection instruments were a semi...

The effect of Hippophae rhamnoides L. extract on acrylamideinduced brain injury in rats

Acta cir. bras; 36 (10), 2021
ABSTRACT Purpose: Reactive oxygen species (ROS), interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) have been shown in the pathogenesis of acrylamide neurotoxicity. Hippophae rhamnoides L. extract (HRE) has a cytoprotective effect by stabilizing the production of ROS, IL-1 ...

Perfil de citocinas Th1, Th2, Th17 y otras citocinas pro inflamatorias (IL-1β, IL-6 y TNFα) en el plasma de pacientes con cáncer gástrico

El cáncer gástrico (CG) es la neoplasia del tubo digestivo más prevalente en el mundo, asociada a factores genéticos del hospedero y externos, como infección por Helicobacter pylori. La patogénesis incluye inflamación crónica mediada por citocinas del microambiente tumoral, detectables sistémica...

Estudio de envejecimiento de poliamida de alto impacto marca Deflex® en saliva artificial comercial
Deflex® brand high impact polyamide aging study in commercial artificial saliva

Este trabajo presenta los resultados de un estudio de envejecimiento natural y acelerado en saliva artificial, de un material para uso odontológico de la marca Deflex® a base de poliamida de alto impacto, según lo establece la norma UNE EN IS0 10993-13 (2009) (AU)...

Difference of Chemical Bonds Between UDMA Bonding Agents with Ethanol Solvent and Acetone Solvent on Dentin Collagen

ABSTRACT Objective: To investigate the difference of chemical bonds between urethane dimethacrylate (UDMA) bonding agents with ethanol solvent and acetone solvent on dentin collagen. Material and Methods: This experimental comparison study used three groups: G1 (Control): UDMA and collagen; G2: UDMA, c...