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Academic literature on the topic 'Meios cromogénicos'
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Journal articles on the topic "Meios cromogénicos"
Siller-Ruiz, María, Sara Hernández-Egido, Fernando Sánchez-Juanes, José Manuel González-Buitrago, and Juan Luis Muñoz-Bellido. "Métodos rápidos de identificación de bacterias y hongos. Espectrometría de masas MALDI-TOF, medios cromogénicos." Enfermedades Infecciosas y Microbiología Clínica 35, no. 5 (May 2017): 303–13. http://dx.doi.org/10.1016/j.eimc.2016.12.010.
Full textPérez-Silva, Irma, María Elena Páez-Hernández, José A. Rodríguez, Israel S. Ibarra, and Rosa Luz Camacho-Mendoza. "Estudios preliminares del transporte de rojo 40 a través de una membrana hibrida." Pädi Boletín Científico de Ciencias Básicas e Ingenierías del ICBI 8, no. 15 (July 5, 2020): 112–16. http://dx.doi.org/10.29057/icbi.v8i15.5785.
Full textLARA DURAN, JOSE ALFREDO, MONICA SILVA VEGA, ROMULO BAÑUELOS VALENZUELA, LUCIA DELGADILLO RUIZ, and OLIVIA DELGADILLO RUIZ. "Incidencia de Escherichia coli O157:H7 en heces de rumiantes lactantes con síndrome diarreico." Revista MVZ Córdoba, September 18, 2019, 7339–45. http://dx.doi.org/10.21897/rmvz.1232.
Full textDissertations / Theses on the topic "Meios cromogénicos"
Banha, Catarina Carvalho. "Revisão dos processos de controlo de qualidade : validação de meios de cultura para análises microbiológicas." Master's thesis, 2019. http://hdl.handle.net/10400.14/31488.
Full textFor this study, a comparative analysis between the difference of mesophiles at 22º C in CFU / ml from three laboratories was performed - the Pedras Salgadas Laboratory, the Central Laboratory of Leça do Balio and the External Laboratory Pimenta do Vale. Similarly, a CFU / ml comparison of mesophiles at 22 ° C with PCA medium in a cooling bath at 45 ° C to 52 ° C was performed. Validated for being faster and more efficient, Chromagar Pseudomonas of chromogenic means, means of confirming Pseudomonas aeruginosa, contains specific enzymes that express the colonies with the characteristic color of the bacteria. At the Pedras Salgadas Laboratory a method of confirming total Staphylococcus and Staphlococcus aureus was implemented, following / obeying / complying the standard 4343 norm. This work established, as its main objectives, the identification, validation and improvement of some quality control methods in the Pedras Salgadas production center, comparing them with methods of the Pimenta do Vale External Laboratory and the Leça do Balio Central Laboratory , in order to to reduce existing discrepancies in comparing results.
Piedade, Cátia Marina Rodrigues da. "Avaliação do impacto económico da introdução de uma técnica rápida de biologia molecular para rastreio de MRSA." Master's thesis, 2020. http://hdl.handle.net/10362/119830.
Full textABSTRACT - MRSA infections are associated with high mortality rates, prolonged illness and prolonged hospital stay. To decrease MRSA infections, most institutions screen patients on admission. Laboratory screening for MRSA can be performed using different methodologies, the most used ones being culture in chromogenic media and rapid molecular biology techniques. The former have a lower cost, but can take up to 48 hours to produce results and the latter is faster (2 hours) but have a higher cost. The main objective of the work developed was to evaluate the economic impact of implementing a rapid molecular biology technique for screening patients colonized with MRSA in a Portuguese private hospital. Thus, it was intended to assess whether the introduction of this new methodology presented a cost reduction compared to the previous one. All individuals who underwent MRSA screening (n = 2418) were identified in a private hospital in the Greater Lisbon region between January 2016 and December 2018. The previous methodology (chromogenic media), although cheaper, is longer, forcing patients to be isolated while waiting for the results. To compare the two methodologies, we considered the costs not only of laboratory screening, but also of isolating patients, which in the cases of patients with negative screening, proved to be unnecessary costs. During the period under analyze, the average avoidable isolation time was 49,3 hours, with the total number of preventable isolation days being 1808,1 and the total costs for 49,3 hours of preventable isolation was 753,96 €. Taking into account the institution's prevalence of MRSA (12%) the economic impact of using the new technique was 460104,12 €, thus showing that in global terms the implementation of the new technique resulted in a reduction in total costs. This study reinforced the importance of using fast molecular biology techniques for screening MRSA, as they are faster techniques that allow only the isolation of individuals who have a positive screening, avoiding unnecessary isolation.