Results: 5034

Viabilidad y germinación de semillas de Hechtiaperotensis (Bromeliaceae)

Rev. biol. trop; 65 (1), 2017
ResumenPoblaciones endémicas de Hechtiaperotensis se han descrito en Puebla y Veracruz, México. La recolección de semillas de buena calidad permite su uso en conservación, investigación y restauración ecológica. Algunos compuestos para evaluar la calidad de las semillas silvestres y endémicas, co...

Evaluación genotóxica del agua del Río Grande (Antioquia, Colombia) mediante frecuencia de eritrocitos micronucleados de Brycon henni (Characiformes: Characidae)

Rev. biol. trop; 65 (1), 2017
ResumenLa producción agrícola de monocultivo permanente de banano y plátano en la parte media del Río Grande (Turbo - Antioquia) requiere de la aplicación de diferentes plaguicidas. Prácticas inapropiadas en la producción y cultivos de plátano realizadas en esta región a menudo conllevan a conta...

N-acetyl-cysteine inhibits liver oxidative stress markers in BALB/c mice infected with Leishmania amazonensis

Mem. Inst. Oswaldo Cruz; 112 (2), 2017
BACKGROUND Leishmaniasis is a parasitosis caused by several species of the genus Leishmania. These parasites present high resistance against oxidative stress generated by inflammatory cells. OBJECTIVES To investigate oxidative stress and molecular inflammatory markers in BALB/c mice infected with L. a...

Cambios clínicos y epidemiológicos de candidemias en pacientes adultos desde 2000 a 2013

Rev. chil. infectol; 34 (1), 2017
Background: Invasive Candida spp. infections have been described more frequently. Aim: To characterize the epidemiological data of candidemia in recent years. Methods: A retrospective study of adult patients in a University Hospital in Santiago, Chile, with 1 or more documented episodes of candidemia, fr...

Effect of two desensitizing agents on dentin permeability in vitro

J. appl. oral sci; 25 (1), 2017
Abstract Objective The aim of this in vitro study was to investigate the effect of two desensitizing agents and water on hydraulic conductance in human dentin. Material and Methods GLUMA Desensitizer PowerGel (GLU) contains glutaraldehyde (GA) and 2-hydroxyethyl methacrylate (HEMA), and Teethmate Des...

Short term sodium alendronate administration improves the peri-implant bone quality in osteoporotic animals

J. appl. oral sci; 25 (1), 2017
Abstract Sodium alendronate is a bisphosphonate drug that exerts antiresorptive action and is used to treat osteoporosis. Objective The aim of this study was to evaluate the bone repair process at the bone/implant interface of osteoporotic rats treated with sodium alendronate through the analysis of mi...

Molecular and morphological surface analysis: effect of filling pastes and cleaning agents on root dentin

J. appl. oral sci; 25 (1), 2017
Abstract The quality of the dentin root is the most important factor for restoration resin sealing and drives the outcome of endodontic treatment. Objective This study evaluated the effect of different filling pastes and cleaning agents on the root dentin of primary teeth using Fourier-transformed Rama...

Repair of bone defects using adipose-derived stem cells combined with alpha-tricalcium phosphate and gelatin sponge scaffolds in a rat model

J. appl. oral sci; 25 (1), 2017
Abstract Objectives This study aimed to evaluate the potential of adipose-derived stem cells (ASCs) combined with a modified α-tricalcium phosphate (α-TCP) or gelatin sponge (GS) scaffolds for bone healing in a rat model. Material and Methods Bone defects were surgically created in the femu...

Is the bonding of self-adhesive cement sensitive to root region and curing mode?

J. appl. oral sci; 25 (1), 2017
Abstract Objectives To evaluate the influence of two curing techniques on the degree of conversion (DC) of resin cements and on bond strength (BS) of fiber posts in different regions of root dentin. Material and Methods Twenty single-rooted premolars were endodontically treated, and the post spaces w...

Cytotoxic Effect of Thymus caramanicus Jalas on Human Oral Epidermoid Carcinoma KB Cells

Braz. dent. j; 28 (1), 2017
Abstract Identifying new chemotherapeutic agents with fewer side effects is a major concern for scientists today. Thymus caramanicus Jalas (Lamiaceae family) is one of the species of Thymus that grows wild in different regions of Iran. Traditionally, leaves of this plant are used in the treatment of diab...