Results: 3070

The protective ability and cellular mechanism of Koelreuteria henryi Dummer flower extract against hydrogen peroxide-induced cellular oxidative damage

BACKGROUND: Koelreuteria henryi Dummer is an indigenous plant in Taiwan. The species has been used in traditional folk medicine for the promotion of liver functions and for treating malaria and urethritis. The present study investigated the antioxidant activity of the flower extract of Koelreuteria henry...

Preferencias alimentarias de Phylloicus sp. (Trichoptera: Calamoceratidae) en un río Neotropical de la Sierra Nevada de Santa Marta, Colombia

Rev. biol. trop; 68 (supl 2), 2020
Introducción: En los sistemas fluviales colombianos ha sido poco estudiada la fragmentación del material alóctono por parte de los insectos acuáticos. Uno de los organismos trituradores más abundantes en las corrientes tropicales de América es el tricóptero del género Phylloicus (Calamoceratidae)...

Influence of dentin conditioning with polyacrylic acid on the shear bond strength of a nano-filled resin-modified glass ionomer cement

J. oral res. (Impresa); 9 (4), 2020
Purpose: This in vitro study aimed to evaluate the influence of dentin conditioning with polyacrylic acid on the shear bond strength of the nano-filled resin-modified glass ionomer cement Ketac N100 (3MESPE). Material and methods: Eighteen bovine incisors were randomly divided into two groups (n=18): gro...

Ação inibitória de dentifrícios sobre Streptococcus mutans e Candida albicans: estudo in vitro

RFO UPF; 25 (2), 2020
Introdução: este estudo avaliou a ação antimicrobiana de sete dentifrícios nacionais com ação antiplaca ou antimicrobiana, conforme os fabricantes, sobre os patógenos orais Streptococcus mutans e Candida albicans. Métodos: a avaliação dos dentifrícios foi realizada pelo teste de difusão em ...

Eficacia del instrumento XP-endo Finisher y del sistema EndoActivator en la reducción/eliminación del biofilm bacteriano: un ensayo ex vivo

Objetivos: Comparar ex vivo la eficacia del instrumento XP-endo Finisher y del sistema EndoActivator en la reducción/eliminación del biofilm microbiano en conductos radiculares infectados. Materiales y métodos: Se utilizaron 23 premolares inferiores humanos extraídos cuya longitud fue estandarizada e...

Enhanced osseointegration of porous titanium scaffold implanted with preload: an experiment study in rabbits

Int. j. morphol; 38 (4), 2020
Porous titanium alloy scaffold was widely used in treating bone defect caused by traumatic injury and osteomyelitis, which was incapable of self-healing. The implantation of scaffold produced stress shielding thereby forming osteolysis. The objective of this study was to analysis trabecular morphological...

Antiulcerogenic effects of selected African nightshades (Solanum nigrum Linn. ) genotypes on the rat stomach: a morphologic and morphometric study

Int. j. morphol; 38 (4), 2020
Solanum nigrum (SLN), commonly known as African nightshade, is used as a vegetable as well as in the management and treatment of various ailments including gastric ulcers. We analyzed, both grossly and microscopically using H&E, Masson's trichrome and PSA staining methods, the protective effects of a...

Monosodium glutamate alters the function and morphology of the parotid gland in Sprague Dawley rats

Int. j. morphol; 38 (4), 2020
Monosodium glutamate (MSG) is a flavor enhancer widely used in the food industry, with obesogenic properties, in addition to causing alterations in the oral cavity. The aim of the study was to observe the morphofunctional changes in the parotid gland after the administration of MSG in rats. 18 newborn ma...

Efecto de la borra de café sobre la biológica espermática: aproximación in vitro

OBJETIVO: El objetivo de este trabajo fue establecer el efecto de la borra de café sobre la movilidad y los parámetros funcionales de los espermatozoides humanos in vitro. MATERIALES Y MÉTODOS: La borra de café, un subproducto obtenido en establecimientos especializados en la preparación de café s...