Validation of a liquid chromatography detection method (HPLC-DAD) for the determination of aloin in Aloe vera food products

by Ulate-Molina, Ricardo, Borbón-Alpízar, Henry, Sibaja-Brenes, José Pablo, Vega-Guzmán, Ilena, Arguedas-González, Maricruz
Published 2019

Preliminary inventory of atmospheric emissions (SO2, NOx and TSP) from different industrial sectors in Costa Rica

by Alfaro-Alfaro, Daniel, Salas-Morelli, Luis, Sánchez-Mejías, Bryan, Mora-Barrantes, José, Sibaja-Brenes, José Pablo, Borbón-Alpízar, Henry
Published 2021

Antibacterial activity of the marine sponge Ircinia Campana collected at Punta Uva Limón against Staphylococcus Aureus

by Rojas Brenes, Rafael, Borbón Alpízar, Henry, Bagnarello Madrigal, Vanessa, Víquez Portuguez, Rigoberto, Soto Fallas, Roy, Vega Guzmán, Ilena, Herrera Núñez, Jacqueline
Published 2012

Spatial distribution of hydrogen sulfite and ammonia emissions from a wastewater treatment plant in Costa Rica, using the AERMOD air pollution dispersion model

by Delgado-Villalobos, Andrea, Sibaja-Brenes, José Pablo, Zúñiga-Castro, Wilfred, Vega-Guzmán, Ilena, Alfaro-Solís, Rosa, Mora-Barrantes, José Carlos, Borbón-Alpízar, Henry
Published 2023

Validation of a liquid chromatography method (HPLC-UV/Vis) to quantify aldehydes in rainwater and air

by Araya Araya, Melissa, Sibaja Brenes, José Pablo, Soto Fallas, Roy, Mora-Barrantes, José Carlos, Alfaro Solís, Rosa, Borbón-Alpízar, Henry, Valdés González, Juan
Published 2024

Health risk assessment of staff at Poás Volcano National Park, Costa Rica, due to exposure to SO2 and H2S gasses

by Morales-Alpízar, José David, Sibaja-Brenes, José Pablo, Mora-Barrantes, José Carlos, Martínez-Cruz, María, Borbón-Alpízar, Henry, Retana-Díaz, Alexa, Alfaro-Solís, Rosa
Published 2024