Browsing Artículos Científicos by Issue Date
Now showing items 1-20 of 399
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Uso de la distribución lévy para ajustar datos con marcada asimetría y valores extremos
(Universidad de La Habana, 202-01-31)Con el fin de proponer una metodología estadística que permita modelar datos asimétricos usando la distribución Levy, se presenta un estudio de simulación bajo nueve escenarios diferentes para evaluar la estimación de los ... -
Cryptococcus neoformans en excretas de palomas del perímetro urbano de Cali
(Colombia Medica, 1996)En el perímetro urbano de Santiago de Cali, Colombia, se realizó un estudio con excretas de palomas, con el fin de establecer la presencia de Cryptococcus neoformans; para aislar el hongo se utilizó agar semilla de girasol. ... -
Cryptococcus neoformans in bird excreta in the city zoo of Cali, Colombia
(Mycopathologia, 1999-12)The presence of Cryptococcus neoformans was studied in bird excreta and in the air circulating in and around bird cages in the City Zoo of Cali, Colombia, between August 1994 and April 1995, using a sunflower seed agar ... -
La lectura interpretativa del antibiograma: Una herramienta para predecir la resistencia bacteriana en el laboratorio de microbiología de rutina
(Colombia Medica, 2002)La aparición cada vez más frecuente y diversa de los mecanismos de resistencia a nivel microbiano y sobre todo en aquellas bacterias patógenas facultativas e incluso oportunistas, ha traído consecuencias importantes en ... -
Onychomycosis in Cali, Colombia
(Mycopathologia, 2004-07)This study presents the epidemiological and mycological aspects of 299 patients with nail lesions who were referred to three diagnostic laboratories in the city of Cali. The diagnosis of mycoses was established through ... -
Sexual function, menopause and hormone replacement therapy (HRT)
(Maturitas, 2004-08-20)Objective: To assess the prevalence of female sexual dysfunction in premenopausal and postmenopausal women with and without hormone replacement therapy (HRT). To determine the relationship between menopause and sexual ... -
Application of a model established on a basis of love with pregnant teenagers at the healthcare Center Centro de Salud Cristóbal Colón, Cali, Colombia
(Colombia Medica, 2005)Introducción: Este estudio se hizo para aplicar un modelo teórico, cuyo concepto central es el amor y sus componentes; y los subconceptos la sensibilidad, la percepción, la interacción y la comunicación a fin de vislumbrar ... -
Autoimmunity and molecular mimicry in tropical spastic paraparesis/human T-lymphotropic virus-associated myelopathy
(Associacao Brasileira de Divulgacao Cientifica, 2005-02-01)Viruses share antigenic sites with normal host cell components, a phenomenon known as molecular mimicry. It has long been suggested that viral infections might trigger an autoimmune response by several mechanisms including ... -
On the functional role of Arg172 in substrate binding and allosteric transition in Escherichia coli glucosamine-6-phosphate deaminase
(Archives of Biochemistry and Biophysics, 2005-10-01)Glucosamine-6-phosphate deaminase from Escherichia coli (EC 3.5.99.6) is an allosteric enzyme, activated by N-acetylglucosamine 6-phosphate, which converts glucosamine-6-phosphate into fructose 6-phosphate and ammonia. ... -
Prevalence of smoking habit in university students at Universidad Santiago de Cali
(Colombia Medica, 2006-04)Introduction: It is important to study the smoking habit epidemiology in those of humans, which are in the process of academic formation. Those groups will be in the future agents of change in our community and in the case ... -
Knowledge of peri- postmenopause in Colombian women, a psychometric validation study
(Ciencia y Enfermeria, 2006-11-09)Aim: To validate knowledge scale of peri-postmenopause in Colombian women, from 45 to 60 years. Material and Methods: It is a nonexperimental design of observational type, which was realized in a quota sample comprised by ... -
Synthesis and characterization of Fe3AlC0.5 by mechanical alloying
(Hyperfine Interactions, 2006-12-07)Double iron and aluminum carbides were prepared by mechanical alloying from elemental powders, with a ball-to-powder weight ratio 20:1. The samples were milled for 1, 3, 5, 10, 15, 20 and 25 h. The alloy progress for each ... -
Acute and subacute toxicity of Salvia scutellarioides in mice and rats
(Journal of Ethnopharmacology, 2007-01-19)The acute and subacute toxicity of the aqueous extract of Salvia scutellarioides (Lamiaceae) was studied in mice and rats. In the acute toxicity test, oral administration of 2 g/kg of Salvia scutellarioides produced neither ... -
Medically important fungi found in hallux nails of university students from Cali, Colombia
(Mycopathologia, 2007-05-01)The presence of medically important fungi was studied in hallux nails scrapings obtained from 504 students (204 males, 300 females) of three universities in Cali. Specimens were examined by direct microscopic examination ... -
Evaluation indicators in the nursing teaching
(Colombia Medica, 2007-10)The objective of this work is to carry out a critical and reflexive analysis about the evaluation indicators in the nursing learning-teaching, starting from the supposition that is considered, greater persistence of the ... -
Mechanical and chemical behavior of sintered 6061 powder Aluminium Alloy reinforced with CuAl2 particles
(Physica Status Solidi (C) Current Topics in Solid State Physics, 2007-10-25)A 75 μm 6061 powder Aluminum Alloy (A.A) plus 5, 10 and 15 wt% CuAl2 particles were prepared by mixing the powders in a small milling tumbler during 4 hours at 58 rpm. The samples were compacted at room temperature and at ... -
Synthesis and characterization of Fe0.79Si0.09C 0.12 by mechanical alloying
(Physica Status Solidi (C) Current Topics in Solid State Physics, 2007-10-25)Iron silicon carbide Fe0.79Si0.09C0.12 was prepared by mechanical alloying from elemental powders, with a ball‐to‐powder weight ratio of 20:1. This synthesis was carried out in two stages: in the first stage cementite Fe3C ... -
Vacunal cover in children 12 to 47 months old of social and economic 1 and 2 layers in the urban zone of Cali, year 2002
(Colombia Medica, 2008)Objective: To estimate prevalence of complete vaccination sketch in children of ages of 12 to 47 months old in strata 1 and 2 into urbane zone of Cali in the year of 2002 according to biologics and the categories of ... -
A note on the use of dolphins as bait in the artisanal fisheries off Bahía Solano, Chocó, Colombia
(Journal of Cetacean Research and Management, 2008)We evaluated dolphin hunting for bait in Bahía Solano, Chocó, Colombia, from July 2005 to April 2006. We interviewed 122 fishermen (18.2% of the registered fishermen in the zone) and obtained data from landings at a fishing ... -
Synthesis and characterization of Fe6W6C by mechanical alloying
(Hyperfine Interactions, 2008-05-23)The properties of the double iron and tungsten carbide prepared by mechanical alloying technique (MA) from elemental powders are reported. The samples were milled for 1, 3, 5, 10, 15, 20, 25 and 30 h. The alloy progress ...