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Bioguided Phytochemical Study of Ipomoea cairica Extracts with Larvicidal Activity against Aedes aegypti
(MDPI, 2022-02-16)
Vector-borne diseases, such as those transmitted by Aedes aegypti, are a constant threat to
inhabitants of tropical regions of the planet. Synthetic chemicals are commonly used as a strategy to
control them; however, ...
Nanochitin: Chemistry, Structure, Assembly, and Applications
(ACS Publications, 2022)
Chitin, a fascinating biopolymer found in living organisms, fulfills current demands of availability, sustainability, biocompatibility, biodegradability, functionality, and renewability. A feature of chitin is its ability ...
Phytonutraceutical evaluation of five varieties of tomato (Solanum lycopersicum) during ripening and processing
(Elsevier, 2022-07-15)
Tomato (Solanum lycopersicum) is the largest produced vegetable in the world after potato and sweet potato. It is
an important source of carotenoids (mainly lycopene), ascorbic acid, and phenolic compounds. In this work, ...
Waste management: a study on generating organic fertilizer from oil and grease trap systems
(Universidad Nacional, Costa Rica, 2022-01-31)
The grease and oil trap systems (GOTS) of four university food service establishments (FSE) were assessed and treated to evaluate the potential use of the sludge collected to produce compost. The sludge collected from each ...
Estudio preliminar con respecto a los efectos en la salud de trabajadores y su relación con la exposición a emisiones gaseosas volcánicas. Un caso de estudio en dos volcanes activos de Costa Rica
(Universidad Nacional, Costa Rica, 2022-01-31)
The objective of this research was to carry out a preliminary diagnosis of the relationship
between volcanic gaseous emissions and health effects present among workers of the National System of
Conservation Areas (SINAC) ...
Calidad del agua superficial y presiones socioambientales en la microcuenca alta del río Poás
(Universidad Nacional (Costa Rica), 2022-03-10)
El objetivo de esta investigación fue determinar la relación entre la calidad del agua superficial en la parte alta de la microcuenca del río Poás y las principales presiones socioambientales que pueden alterar ...
Using UAS with Sniffer4D payload to document volcanic gas emissions for volcanic surveillance
(Advanced UAV, 2022)
A consistent volcanic monitoring program is crucial to the safety of the population and the efficiency of the nation. Costa Rica´s National Commission for Risk Prevention the CNE helps manage this responsibility. The ...
Evolution of the Main Crater, Irazú Volcano National Park, Costa Rica – Consumer Drones in professional research
(Advanced UAV, 2022)
There has been significant cracking and erosion on the south crater wall of the Main Crater below the area where tourists gather to view the main feature of the park; The Main Crater. By deploying the EVO Lite+ drone system ...
Aporte ambiental de la planta de tratamiento de aguas residuales Los Tajos en la remoción de contaminantes fisicoquímicos y microbiológicos
(Universidad Nacional, Costa Rica, 2022-01-31)
The objective of the study was to analyze the environmental contribution, in terms of removal of physicochemical and microbiological pollutants, from the Los Tajos Wastewater Treatment Plant (WWTP) to the Torres River. ...
Remote Piloting UAS in Extreme Environments with Challanging Climatic Conditions - An Overview of Modern UAS Capabilities in the Field of Volcanology, Geosciences, Atmospheric Chemistry and Interplanetary Exploration
(ADVANCED ENGINEERING DAYS (AED), 2022-09)
Unmanned Aerial Systems have recently had advanced payloads configured by engineers for various atmospheric sampling experiments and have been proven a successful and innovative technology. Climatic stability in volcanic ...