Browsing Ambiente y Vida - GIAV by Title
Now showing items 29-48 of 124
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Design of a microalgae bio-reactive facade reactor for cultivation of Chlorella vulgaris
(Contemporary Engineering SciencesBulgaria, 2017-11-14)The increasing global demand for energy that has existed during many decades has affected the environment due to the greenhouse gas emissions, which are the result of the inadequate use of fossil fuels. This situation ... -
Design of an Electroflotation System for the Concentration and Harvesting of Freshwater Microalgae
(Chemical Engineering TransactionsItalia, 2018-05)Microalgae are considered as one of the most promising alternatives for the integrated use of agro-industrial water residues and the production of metabolites of high industrial interest. This is due to algae can grow on ... -
Determinación de la viabilidad de semillas de capsicum annuum L usando la prueba de tetrazolio.Determining the viability of capsicum annuum L seeds using the tetrazolium test
(Administración E Ingeniería, 2020-09-01)El pimentón (Capsicum annuumL) es uno de los cultivos de hortalizas más importantes y ampliamente cultivados a nivel mundial. Este estudio determinó la eficacia del test tetrazolio para obtener la viabilidad de semillas ... -
Determination of malathion's toxic effect on Lens culinaris Medik cell cycle
(HeliyonPaíses Bajos, 2020-09-06)The present study aimed to determine the toxic effect of malathion pesticide on root growth, cell division and the chromosomal abnormalities frequency using the L. culinaris test. Initially, the lentil seeds were subjected ... -
Determining the Viability of Orchid seeds using the Tetrazolio and Carmín Índigo Tests
(Revista De CienciasValle, Colombia, 2015-12-01)Orchid species are endangered worldwide due to human intervention. Therefore, it is necessary to analyze the germination capacity (viability) of orchids' seeds as essencial step for its conservation. This research determined ... -
Development of a Selective Method for Metabolites Extraction from Microalgae Biomass
(Indian Journal of Science and TechnologyIndia, 2018-02)Background: The production of biofuel and high value products from microalgae exhibits difficulties that have been widely studied to develop viable, efficient and economic methods for recovering metabolites. Objectives: ... -
Diversidad genética de Moniliophthora roreri mediante Polimorfismo de Longitud de Fragmentos Amplificados (AFLPs)
(Revista Colombiana De Ciencias HortícolasColombia, 2018-01-06)El cultivo de cacao, está afectado por el fitopatógeno Moniliophthora roreri, que causa gran pérdida en la producción en Norte de Santander. Este estudio muestra los resultados obtenidos utilizando AFLPs de M. roreri. Con ... -
Dynamic Modeling of Tannase Production from Bacillus cereus: A Framework Simulation based on Fed Batch Strategy
(Reino Unido, 2021-09-12)Tannase enzyme is a metabolite of great interest in the industry. Typical examples of its use can be found in wines and beer production, beverage and juice fruits clarification and leather production. However, tannase ... -
Dynamic Simulation of Bioethanol Production from Banana Rejected using Flocculating Yeast
(Reino Unido, 2021-09-12)A dynamic model is presented to simulate a fermentation process for bioethanol production from banana rejected using a batch system. The critical model feature is using an inhibition function to relate substrate concentration ... -
Economic Assessment of Itaconic Acid Production from Aspergillus Terreus using Superpro Designer
(Journal of PhysicsReino Unido, 2020-09-13)Itaconic acid is a metabolite produced from biotechnological pathway using the microorganism Aspergillus terreus. It is used in a wide number of sectors such as industry, agriculture and health. Based on its chemical ... -
Efecto de la colchicina sobre la morfología foliar y los estomas de Kalanchoe daigremontiana Raym.-Hamet & H.Perrier(Crassulaceae)
(Revista Colombiana De Ciencias HortícolasColombia, 2018-05-02)El presente estudio evaluó el efecto de diferentes concentraciones y tiempo de exposición de colchicina, sobre la morfología foliar y los estomas de Kalanchoe daigremontiana. Inicialmente, se recolectaron y se sometieron ... -
Efecto del uso y manejo sobre las propiedades físicas de un suelo bajo dos sistemas de cultivo en el distrito de riego del rio zulia, norte de Santander
(Suelos EcuatorialesCauca,Colombia, 2015-12-10)El estudio de las propiedades físicas de un Entisol bajo dos sistemas de producción, un cultivo de arroz con el mismo uso desde hace más de 40 años y un sistema agroforestal (Bosque con cacao) con el mismo tiempo de uso, ... -
Effect of de Carbon/Nitrogen ratio on the production of microalgae-based carotenoids
(Revista Ingeniería Y CompetitividadColombia, 2020-01-03)This study investigates the effect of C/N ratio on the production of biomass and total carotenoids on a Scenedesmus sp. Initially, three different carbon sources (sodium carbonate, sodium bicarbonate and sodium acetate) ... -
Effect of flocculation on lipid extraction from Chlorella Vulgaris UTEX 1803 using response surface methodology
(Journal of Engineering Science and TechnologyMalasia, 2019-02)Microalgae are an attractive source of metabolites, such as lipids, proteins, pigments and carbohydrates, of potential interest to the pharmaceutical, food and energy sectors. The aim of this study was to evaluate the ... -
Effect of Flocculation Technology on Lipids, Carbohydrates and Proteins and Extraction from Chlorella vulgaris
(Contemporary Engineering SciencesBulgaria, 2018-03-03)Nowadays, Chlorella vulgaris has emerged as an attractive source of metabolites such as lipids, proteins and carbohydrates, which are widely applied to obtain high value products. This work is focused on evaluating the ... -
The Effect of LEDs on Biomass and Phycobiliproteins Production in Thermotolerant Oscillatoria sp.
(Applied Sciences (Switzerland), 2022-11-17)This study evaluates the role of different LED lights (white, blue/red), intensity (µmol m−2 s −1 ), and photoperiod in the production of biomass and phycocyanin-C, allophycocyanin and phycoerythrin (C-PC, APC, and PE ... -
The Effect of Temperature and Enzyme Concentration in the Transesterification Process of Synthetic Microalgae Oil
(Chemical Engineering TransactionsItalia, 2018-05)Throughout the world, the fossil fuel has supplied around the 80% of the energetic requirements, in Colombia alone 95.1% of energetic demand is made by the transportation sector solely, supplied by oil, kerosene, gasoline ... -
The Effects of Wavelength and Salinity on Biomass Production from Haematococcus pluvialis
(Contemporary Engineering SciencesBulgaria, 2017-12-24)Currently, microalgae have emerged as promising source of high-value products due to its biomass productivity, high photosynthetic efficiency and non-competitive environment for growth. In this work, biomass production ... -
Enhanced UV/H2O2 System for the Oxidation of Organic Contaminants and Ammonia Transformation from Tannery Effluents
(Processes, 2023-10-27)In this work, a UV/H2O2 system in real tannery wastewater was evaluated by an experimental design with optimal stage 2-level I-optimal reaction surface using Design Expert software to analyze the effects of temperature, ... -
Enhancement of Metabolite Production in High-Altitude Microalgal Strains by Optimized C/N/P Ratio
(Applied SciencesSuiza, 2022-07-04): This study evaluated the role of C/N/P in the increase in the synthesis of carbohydrates, proteins, and lipids in two high-mountain strains of algae (Chlorella sp. UFPS019 and Desmodesmus sp. UFPS021). Three carbon ...