Listar Microbiología por título
Mostrando ítems 844-863 de 1168
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Phylogenetic analyses of antibiotic-producing Streptomyces sp. isolates obtained from the stingless-bee Tetragonisca angustula (Apidae: Meliponini)
(2019)Many insects have been associated with actinobacteria in protective symbiosis where antimicrobial metabolites inhibit host pathogens. However, the microbiota of neotropical insects such as the stingless-bee Tetragonisca ... -
Physical characteristics of nano-Hydroxyapatite Pickering-emulsions and their adjuvant activity on the antibody response towards the Bothros asper snake venom
(2019)Emulsions are crucial in the treatment of snake bites to bust the antibody response of the inmunogen. The widely used Freund's emulsion typically combines 50/50 water-oil (W/O) phase. However, its use is limited because ... -
Physicochemical characterization of Jicaro seeds (Crescentia alata H.B.K.): a novel protein-rich and oleaginous seed
(2017-03)Jicaro (Crescentia alata) is a tropical tree native to Mesoamerica well adapted to severe drought conditions. The seeds of the fruits were analyzed for protein, fatty acid, dietary fiber, phytate, polyphenol, tannin, ... -
Pitfalls to avoid when using phage display for snake toxins
(2017-02)Antivenoms against bites and stings from snakes, spiders, and scorpions are associated with immunological side effects and high cost of production, since these therapies are still derived from the serum of hyper-immunized ... -
Plan de mejora de procesos de fase preanalítica en el laboratorio clínico “Clodomiro Picado Twight” del Hospital San Juan de Dios de Costa Rica durante el período diciembre 2022-abril 2023
(2023)Introducción: Los laboratorios clínicos constituyen establecimientos que llevan a cabo análisis a muestras de índole biológico. El procesamiento se encuentra dividido en tres fases: la fase preanalítica, la fase analítica ... -
Plan para la implementación de tetanalgesia como método de analgesia no farmacológica en procedimientos de extracción sanguínea en el Laboratorio Clínico del Hospital Nacional de Niños de la Caja Costarricense de Seguro Social
(2023)Los recién nacidos y lactantes pequeños son capaces de experimentar dolor desde la semana veinticinco de edad gestacional. Recientemente, se han estudiado mecanismos alternativos a los fármacos analgésicos que estimulan ... -
Plan para la implementación del modelo de gestión de calidad EFQM en el Laboratorio Clínico y Banco de Sangre de la Universidad de Costa Rica para su mejora continua en el año 2023
(2023-07)El Laboratorio Clínico y Banco de Sangre de la Universidad de Costa Rica cuenta con más de 15 años de experiencia en el manejo de la calidad bajo el modelo de gestión ISO, el cual es complementario al EFQM, ya que el primero ... -
Plasma lipid levels in 10-to 13-year old Costa Rican elementary schoolchildren
(2000-09)An adverse lipid profile is a major risk factor for atherosclerosis. This study evaluated the lipid profiles of 683 schoolchildren aged 10 to 13 years. The prevalence of both high LDL and high total cholesterol levels was ... -
Plasmidos de virulencia
(Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera 130(I): 11-22, 1978)Se revisan conceptos bisicos sobre los plasmidosdesoxirribonucleico extracromosomico con mplicacion autonoma— prisentee en el citoplasma bacte. riano. Se hace infasis en plismidos qua codifican factor's de virulencia como ... -
Plataforma bioinformática para la identificación de nuevas inferencias del fenómeno de compensación de dosis génica en el panel NCI-60
(2021-12)Las células generan transcritos en respuesta a estímulos internos y externos, siendo algunos codificantes de proteínas y otros no codificantes. Los transcritos que codifican proteínas son regulados por varios elementos, ... -
Poblaciones larvales de Califóridos como estimadores del intervalo post-mortem en un modelo experimental
(2003-12-31)Con el fin de estimar el intervalo post-mortem (IPM) basado en análisis poblacionales de larvas de califóridos, conejos de la cepa New Zealand (3,8 kg) fueron sometidos a eutanasia en abril, julio y octubre de 2002 y enero ... -
Polyspecific snake antivenom may help in antivenom crisis
(2003-02)In Africa snakebites cause thousands of deaths annually and much permanent physical disability, but the supply of antivenom, the only specific treatment, is threatened by commercial pressures and privatisation. This has ... -
Poor regenerative outcome after skeletal muscle necrosis induced by Bothrops asper venom: alterations in microvasculature and nerves
(PLoS ONE 6(5): e19834, 2011-05-24)Background: Viperid snakebite envenoming is characterized by prominent local tissue damage, including muscle necrosis. A frequent outcome of such local pathology is deficient skeletal muscle regeneration, which causes ... -
Population Genomics Insights into Adaptive Evolution and Ecological Differentiation in Streptomycetes
(2019)Deciphering the genomic variation that represents microevolutionary processes toward species divergence is key to understanding microbial speciation, which has long been under debate. Streptomycetes are filamentous bacteria ... -
Porcentaje y cifra absoluta de linfocitos T en sangre periférica por el método de rosetas E: estudio de cuarenta adultos sanos
(1985)Se realizó la determinación del porcentaje y cifra absoluta de linfocitos T en sangre periférica a un grupo de 40 adultos sanos costarricenses, seleccionados de un grupo inicial de 58 voluntarios. Se utilizó un método de ... -
Porphyromonas spp. have an extensive host range in ill and healthy individuals and an unexpected environmental distribution: a systematic review and meta-analysis
(2020-10-01)Studies on the anaerobic bacteria Porphyromonas, mainly focused on P. gingivalis, have revealed new bacterial structures, metabolic pathways, and physiologic functionalities. Porphyromonas are mainly described as being ... -
Posibles fenotipos asociados a la virulencia de las cepas ST01 y NO-ST01 no epidémicas del clado MLST 2 de Clostridioides difficile
(2021)Clostridioides difficile es una bacteria anaerobia que causa diarrea, principalmente en personas que han recibido terapia con antibióticos. La incidencia y la mortalidad de las infecciones por C. difficile (ICD) han aumentado ... -
Potent virucidal activity against Flaviviridae of a group IIA phospholipase A2 isolated from the venom of Bothrops asper
(2020)Secreted phospholipase A2 (sPLA2) molecules are small, calcium-dependent enzymes involved in many biological processes. Viperid venoms possess gIIA sPLA2s and sPLA2-like proteins, both having homology to human gIIA sPLA2, ... -
Potentially pathogenic Acanthamoeba genotype T4 isolated from dental units and emergency combination showers
(2017-12)Background: Acanthamoeba is the genus of free-living amoebae that is most frequently isolated in nature. To date, 20 Acanthamoeba genotypes have been described. Genotype T4 is responsible for approximately 90% of encephalitis ... -
Preadipocytes are target cells for the actions of a representative gIIA phospholipase A2 which triggers proinflammatory pathways related to obesity
(2020)Adipose tissue secretes proinflammatory mediators which promote systemic and adipose tissue inflammation seen in obesity. Group IIA (GIIA)-secreted phospholipase A2 (sPLA2) enzymes are found to be elevated in plasma and ...