Listar Ambiente y Vida - GIAV por título
Mostrando ítems 74-93 de 110
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Kinetic modeling of biosurfactant production from crude oil using Bacillus subtilis cells
(South African Journal of Chemical EngineeringPaíses Bajos, 2022-06-23)Crude oil and its derivatives have high application in different industries, and unforeseen spills or overexploitation generate a significant threat in ecosystems, causing negative impacts on soil, water, and air. There ... -
Lipids production from Scenedesmus obliquus through carbon/nitrogen ratio optimization
(Journal of Physics: Conference Series, 2019)Microalgae are one of the most promising sources of raw material for biofuel production and derivatives since its high yield of biomass and metabolites possess a low environmental impact. However, its implementation on ... -
Modeling of Clavulanic Acid Production from Streptomyces clavuligerus using a Continuous Operation Mode
(Reino Unido, 2021-09-12)Clavulanic acid is a β-lactam inhibitor produced by fermentation with Streptomyces clavuligerus cells, and it is usually used to prevent resistance to certain antibiotics. However, CA production is limited at the bioreactor ... -
Modeling of phycocyanin production from Spirulina platensis using different light-emitting diodes
(South African Journal of Chemical EngineeringPaíses Bajos, 2017-07)Phycocyanin is a high-value chromo-protein used in various industries. In this research, a simulation study of kinetics is carried out to identify different light spectra effects on microbial growth and phycocyanin ... -
Modelling of DHA Production from S. Limacinum ouc88: fed-batch perspectives
(Reino Unido, 2021-09-12)Biotechnology and its need to improve industrial processes have shown the need for techniques that allow processes optimization. Computer simulation offers the advantage of determining production prospects without ... -
A modified spin filter for overcoming of gas liquid mass transfer problems in a stirred tank bioreactor
(Journal of BiotechnologyPaíses Bajos, 2018-08-30) -
Molecular analysis of antagonist fungi isolated from plantations of cocoa (Theobroma cacao) from north of Santander
(Ingeniería Y CompetitividadColombia, 2021-05-18)Molecular biology techniques have been used in order to obtain specific species genetic markers, find polymorphic differences and provide the necessary information for the identification of nucleotide sequences related to ... -
Molecular characterization of mandarins (Citrus reticulata Blanco) using ISSR markers
(Sociedad Colombiana de Ciencias Hortícolas (SCCH)Colombia, 2020-05-01)In order to establish the molecular diversity of citrus production systems in Villa Sucre (Colombia), mainly “Creole mandarin”, this study analyzed C. reticulata farm samples using six ISSR molecular markers. A total of ... -
Multiparameter analysis of activated sludge inhibition by nickel, cadmium, and cobalt
(Journal of Hazardous Materials, 2018-06-05)Activated sludge processes are often inhibited by nickel, cadmium, and cobalt. The inhibitory effect of these heavy metals on a synthetic wastewater treatment process was tested through pulse microrespirometry; i.e., pulse ... -
Naturaleza y Sociedad: Relaciones y Tendencias desde un enfoque Eurocéntrico
(Revista Luna AzulManizales, Colombia, 2017-06)Este trabajo tiene por objetivo el desarrollo de una revisión y una reflexión acerca de la evolución de los vínculos entre naturaleza-sociedad y sus tendencias. Metodológicamente, en la primera parte, se describen estas ... -
Non-Newtonian Behavior Effect on Gas-liquid Mass Transfer using an Anchor Impeller for CSTR Bioreactors: A CFD Approach
(Indian Journal of Science and TechnologyIndia, 2018-11)Objectives: kL a mass transfer coefficient was predicted using CFD (computational fluid dynamics) for analyzing non-newtonian effects on gas liquid mass transfer in a 10 L bioreactor stirred with an Anchor Impeller. ... -
Operating Mode Effect on Lipids Production from Rhodotorula mucilaginosa: Modelling and Simulation Trends
(Reino Unido, 2021-09-12)A sustainable alternative for fossil fuels substitution is the production of biodiesel from natural lipids. Mainly, such oil used is in the form of triglycerides and is characterized by being potentially renewable, ... -
Optimización de la prueba de tetrazolio para evaluar la viabilidad en semillas de Solanum lycopersicum L.
(Corpoica Ciencia y Tecnologia Agropecuaria, 2020-08-31)El tomate (Solanum lycopersicum) es una de las hortalizas más consumidas en el mundo con un aumento en su demanda, por lo que conocer la viabilidad de sus semillas es de suma importancia, ya que estas son la base del éxito ... -
Optimization of Enzyme-Assisted Extraction of Flavonoids from Corn Husks
(ProcessesSuiza, 2019-11-03)Corn husks are an important byproduct of the corn processing industry. Although they are a rich source of bioactive compounds, especially flavonoids, corn husks are usually disposed of or used as animal feed. In this paper, ... -
Optimization of Phycobiliprotein Solubilization from a Thermotolerant Oscillatoria sp
(ProcessesSuiza, 2022-04-24)The present study evaluated the effect of multiple variables (drying time, drying temperature, biomass/solvent ratio, glass beads/biomass ratio, extraction time, and extraction speed) in the solubilization of three different ... -
Optimization of the tetrazolium test in three species of orchids of the Andean forest
(Australian Journal of Crop ScienceAustralia, 2020-05)In order to improve the cultivation and conservation of orchid species, it is important to assess the physiological quality of orchid seeds. One of the most traditional tests for analysing seed quality is the tetrazolium ... -
Physicochemical study of used frying oil as feedstock for the production of biodiesel
(Journal of PhysicsReino Unido, 2019)A diagnosis was made of the availability and quality of the used frying oil of the establishments dedicated to chicken fry in the city of San José de Cúcuta, to evaluate its technical feasibility as a feedstock in the ... -
A Phytochemical Approach to the Removal of Contaminants from Industrial Dyeing Wastewater
(ChemEngineering, 2023-09-28)This study investigates the influence of photoperiod and wastewater concentration on the growth of microalgae and cyanobacteria for the removal of environmentally significant parameters (COD, BOD, Cr, Fe, color, chlorides, ... -
Pre-treatments effect on the tetrazolium test on Epidendrum barbaricum Hágsater & Dodson seeds
(Acta AgronómicaColombia, 2020-03-17)Orchids are affected by several factors that impair their spreading, which is necessary to know the viability of their seeds. The aim of this research was to determine the most suitable preconditioning treatment to potentiate ... -
Production of Chlorella vulgaris Biomass on UV‐treated Wastewater as an Alternative for Environmental Sustainability on High‐Mountain Fisheries
(Chemical Engineering TransactionsItalia, 2018-05)The sustained expansion of agricultural industry in Colombian high-mountain has led to an increased size of residues, especially untreated wastewater. This untreated water is an urgent matter for public and environmental ...