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Optimization of feeding strategy for the ergosterol production by yeasts saccharomyces cerevisiae
(Universidad Nacional de Colombia, 2010)
Objective of this study was to optimize ergosterol production by yeast strain Saccharomyces cerevisiae with the use of computer controlled feeding of cultivation medium. Baker´s yeasts strain of Saccharomyces cerevisiae ...
Spatial and temporal variation of nitrogen in the medellin river
(Universidad Nacional de Colombia Sede Medellín, 2010)
Nitrogen is a biogenic element, constituent of organic molecules that play vital functions for any cell [1]. Its origin comes from the mineralization of the organic matter, from the dissolution of sedimentary rocks and ...
Polycyclic aromatic hydrocarbons and their molecular diagnostic ratios in urban atmospheric respirable particulate matter
(ELSEVIER SCIENCE INC, 2005-06)
Atmospheric concentrations of polycyclic aromatic hydrocarbons (PAHs) in Santiago de Chile city were evaluated to study particulate PAHs profiles during cold and spring weather periods. Urban atmospheric particulate matter ...
Effect of chitosan electrospun fiber mesh as template on the crystallization of calcium oxalate
(MDPI, 2020)
Biominerals fulfill various physiological functions in living organisms, however, pathological mineralization can also occur generating mineral pathologies such as the formation of calcium oxalate (CaOx) calculi in the ...
Anthraquinone Derivative Reduces Tau Oligomer Progression by Inhibiting Cysteine-Cysteine Interaction
(Wiley-VCH Verlag, 2019)
Tau protein is a natively unfolded protein whose primary role is to participate in axonal transport closely associated with microtubules. Neurodegenerative disorders including Alzheimer's disease and Tauopathies involved ...
Sobre el limite jurásico - cretácico en los alrededores de villa de leiva, departamento de boyacá, colombia
(Departamento de Geociencias, 1986)
La sedimentación litoral de las formaciones Los Santos (Depto. de Santander) y Arcabuco (Depto. de Boyacá) aflora al norte con la plataforma calcárea de la Formación Rosablanca. Al sur tiene lugar la depositación de la ...
Surface ozone in the Southern Hemisphere: 20 years of data from a site with a unique setting in El Tololo, Chile
(Copernicus Gesellschaft, 2017-05-31)
The knowledge of surface ozone mole fractions and their global distribution is of utmost importance due to the impact of ozone on human health and ecosystems and the central role of ozone in controlling the oxidation ...
Modeling study of biomass burning plumes and their impact on urban air quality; a case study of Santiago de Chile
(Elsevier, 2017)
On January 4, 2014, during the summer period in South America, an intense forest and dry pasture wildfire occurred nearby the city of Santiago de Chile. On that day the biomass-burning plume was transported by low-intensity ...
A progressive hedging approach to solve harvest scheduling problem under climate change
(MDPI, 2020)
Due to the long time horizon typically characterizing forest planning, uncertainty plays an important role when developing forest management plans. Especially important is the uncertainty related to recently human-induced ...
Biological synthesis of fluorescent nanoparticles by cadmium and tellurite resistant Antarctic bacteria: exploring novel natural nanofactories
(Biomed Central, 2016)
Background: Fluorescent nanoparticles or quantum dots (QDs) have been intensely studied for basic and applied research due to their unique size-dependent properties. There is an increasing interest in developing ecofriendly ...