• Enterococci as a key parameter for water quality index: Purires River, Costa Rica 

      Chacón Jiménez, Luz María; Arias Mora, Víctor; Barrantes Jiménez, Kenia; Beita Sandí, Wilson; Reyes Lizano, Liliana; Achí Araya, María Rosario (2018)
      This study used the Canadian Water Quality Index (CWI) to characterize water sampled at three points within the Purires River micro basin, Costa Rica. The first sampling point is located in a high zone with domestic ...
    • Interacciones celulares en el proceso de invasión de Shigella sp 

      Achí Araya, María Rosario; Barrantes Jiménez, Kenia (Rev Panam Infectol 2009;11(2):56-61, 2009)
      Shigella, como agente etiológico de la disentería bacilar, es un problema importante de salud pública a nivel mundial. Para el establecimiento de la infección este microorganismo emplea las funciones celulares y de ...
    • Low-cost internal controls for detection of Giardia cysts in water samples 

      Solano Barquero, Melissa; Morales Mora, Eric; Chacón Jiménez, Luz María; Cordero Jara, Erick Arnulfo; Reyes Lizano, Liliana; Barrantes Jiménez, Kenia; Achí Araya, María Rosario (2019-08)
      Giardia cysts stained with hot carbolfuchsin were used as internal controls in a concentration method for surface water samples. The morphological integrity of stained cysts and the stain's stability and intensity were ...