Now showing items 1-3 of 3

    • Bioassay-guided isolation of anti-inflammatory O-sulfated withanolides from Acnistus arborescens (Solanaceae) 

      Steinbrueck, Clara; Mora Ugalde, Nohelia; Morales Sánchez, Carlos; Loaiza Montoya, Randall; García Piñeres, Alfonso J.; Araya Barrantes, Juan J. (2019)
      Bioassay-guided fractionation of Acnistus arborescens (Solanaceae) organic extract afforded two anti-inflammatory withanolides: 2,3-Dihydro-3β-O-sulfate withacnistin (1) and 2,3-Dihydro-3β-O-sulfate withaferin A (2) showing ...
    • Influence of rice field agrochemicals on the ecological status of a tropical stream 

      Jessen Rasmussen, Jes; Carazo Rojas, Elizabeth; Muñoz Rivera, Alejandro; Reiler, Emilie Marie; Matarrita Rodríguez, Jessie Alejandra; Cedergreen, Nina (2016-01-15)
      Many tropical countries contain a high density of protected ecosystems, and these may often be bordered by intensive agricultural systems. We investigated the chemical and ecological status of a stream connecting an area ...
    • Metals in coastal mollusks of Costa Rica 

      Vargas Zamora, José A.; Acuña González, Jenaro; Gómez Ramírez, Eddy; Molina Delgado, Johan (2015-12)
      The input of contaminants to coastal ecosystems is a global problem on the rise. Data on metal pollution from tropical sites is often lacking and pilot surveys are urgently needed to provide a general framework to estimate ...