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Ooquistes de Cryptosporidium sp. (Apicomplexa: Cryptosporidiiadae) y presencia del C. parvum en niños de Costa Rica
(1996)
From 1982 to 1987 infant and preschool Costa Rican children with acute diarrhea were studied. Cryptospo ridium (Tyzzer 1912) and other agents of diarrhea were invetigated. Criptosporydium oocysts were diagnosed in Giemsa ...
Synthesis and Evaluation of Aromatic Surfactants as Potential Antibacterial and Cytotoxic Agents
(2019-01)
Two ether and one ester derivatives of the 4-nitro-3-hydroxybenzoic acid were synthesized
and characterized. The in vitro antimicrobial and cytotoxic activities of the three novel compounds
were also evaluated. The ...
Evaluación de la influencia de la estacionalidad climática en calidad del agua de consumo humano en un sistema de abastecimiento en San José, costa rica, periodo 2017-2018
Evaluation of climatic seasonal influence on the quality of water for human consumption in a San José (Costa Rica) supply system, 2017-2018
(2019)
Objetivo: Analizar el estado y la influencia de la variabilidad climática en la calidad del agua de un sistema de abastecimiento para consumo humano en San José, Costa Rica, captado en cuatro microcuencas del cantón Vásquez ...
Immunomagnetic separation and PCR detection show Shigellae to be common faecal agents in children from urban marginal communities of Costa Rica
(1996)
Culture and immunomagnetic separation-polymerase chain reaction assays (IMS-PCR) were used to isolate and identify Shigella flexneri, S. dysenteriae type I and S. sonnei in faeces from 250 children up to 5 years and from ...
Detection of shigella in lettuce by the use of a rapid molecular assay with increased sensitivity
(Brazilian Journal of Microbiology (2010) 41: 993-1000, 2010)
A Multiplex Polymerase Chain Reaction (PCR) assay to be used as an alternative to the conventional culture method in detecting Shigella and enteroinvasive Escherichia coli (EIEC) virulence genes ipaH and ial in lettuce was ...
Valor diagnóstico de anticuerpos anti Helicobacter pylori en pacientes referidos al Servicio de Endoscopía Digestiva del Hospital San Vicente de Paul, Costa Rica
(Novel Mutations in the MYOC/GLC1A Gene in a Large Group of Glaucoma Patients Hum Mutat 20 (6) 479-484, 2002)
Antibodies titers against H. pylori antigens were determined in 78 patients referred to the Digestive Endoscopy Service of the San Vicente de Paul Hospital, Costa Rica. The assay was performed by enzyme immunoassay (ELISA), ...
Prevalencia de parasitosis intestinal en niños de la comunidad de Los Cuadros, Goicoechea, Costa Rica 2003-2004
Prevalence of intestinal parasitosis in children of the community of Los Cuadros, Goicoechea, Costa Rica. 2002-2003
(Revista Costarricense de Ciencias Médicas 8 ( 1 y 2) 37-45, 2007-01-18)
Se analizó la presencia de parásitos intestinales en muestras de heces de 350 niños, de una población de 1.563 niños de hasta cinco años de edad, de la comunidad urbano marginal de Los Cuadros de Goicoechea, San José, Costa ...
Implementación de dos métodos de recuento en placa para la detección de colifagos somáticos, aportes a las metodologías estándar
Implementation of two plate count methods for detection of somatic coliphages and contributions to the standard methodologies
(2012-12)
Los métodos de recuento en placa capa doble y capa simple de agar, para la cuantifcación de colifagos somáticos en aguas, fueron implementados utilizando como base metodologías estándar. Diferentes variables
fueron ...
Calidad microbiológica y análisis de patógenos (Shigella y Salmonella) en lechuga
Microbiological quality and pathogen analysis (Shigella and Salmonella) of lettuce
(2011)
Se analizó la calidad microbiológica en 37 muestras de lechuga variedad criolla (Lactuca sativa var. Capitata L.) de distintos
intermediarios en las provincias de San José y Cartago, en Costa Rica. Las muestras se ...
A somatic coliphage threshold approach to improve the management of activated sludge wastewater treatment plant effluents in resource-limited regions
(2020-06)
Effective wastewater management is crucial to ensure the safety of water reuse projects and
29 effluent discharge into surface waters. Multiple studies have demonstrated that municipal
30 wastewater treatment with ...