Browsing Artículos científicos by Title
Now showing items 1194-1213 of 1770
-
N-Ribosyltransferase From Archaeoglobus veneficus: A Novel Halotolerant and Thermostable Biocatalyst for the Synthesis of Purine Ribonucleoside Analogs
(Frontiers in Bioengineering and Biotechnology, 2020-06-20)Nucleoside-2′-deoxyribosyl-transferases (NDTs) catalyze a transglycosylation reaction consisting of the exchange of the 2′-deoxyribose moiety between a purine and/or pyrimidine nucleoside and a purine and/or pyrimidine ... -
Nanometric particles of high economic value in coal fire region: Opportunities for social improvement
(Universidad de la Costa, 2020-02-10)Spontaneous coal combustion in the La Guajira coals was studied for the presence of carbon nanophases (e.g., carbon nanotubes), occurrence of rare earth elements (REEs) in them, and the probable mechanisms for concentration ... -
Nanomineralogy of evaporative precipitation of efflorescent compounds from coal mine drainage
(Universidad de la Costa, 2020)Efflorescent nanophases (NPs) are found as a transitory accumulation of potentially hazardous elements (PHEs), particularly in tropical climates. The central objective of this study was to investigate the distribution of ... -
Nanomineralogy of evaporative precipitation of efflorescent compounds from coal mine drainage
(Universidad de la Costa, 2020-06-10)Efflorescent nanophases (NPs) are found as a transitory accumulation of potentially hazardous elements (PHEs), particularly in tropical climates. The central objective of this study was to investigate the distribution of ... -
Nanomineralogy of mortars and ceramics from the Forum of Caesar and Nerva (Rome, Italy): The protagonist of black crusts produced on historic buildings
(Corporación Universidad de la Costa, 2021)The recent focus of the impacts of atmospheric pollution on effective conservation methods for historic structures of great cultural heritage has been shown to be of critical importance for preservation. This work focuses ... -
Nanomineralogy of mortars and ceramics from the Forum of Caesar and Nerva (Rome, Italy): the protagonist of black crusts produced on historic buildings
(Corporación Universidad de la Costa, 2021)The recent focus of the impacts of atmospheric pollution on effective conservation methods for historic structures of great cultural heritage has been shown to be of critical importance for preservation. This work focuses ... -
Nanominerals and potentially hazardous elements from coal cleaning rejects of abandoned mines: Environmental impact and risk assessment
(Universidad de la Costa, 2017)Soils around coal mining are important reservoir of hazardous elements (HEs), nanominerals, and ultrafine compounds. This research reports and discusses the soil concentrations of HEs (As, Cd, Cr, Cu, Ni, Pb, and Zn) in ... -
Nanominerals and potentially hazardous elements from coal cleaning rejects of abandoned mines: Environmental impact and risk assessment
(Chemosphere, 2017)Soils around coal mining are important reservoir of hazardous elements (HEs), nanominerals, and ultrafine compounds. This research reports and discusses the soil concentrations of HEs (As, Cd, Cr, Cu, Ni, Pb, and Zn) in ... -
Nanominerals assemblages and hazardous elements assessment in phosphogypsum from an abandoned phosphate fertilizer industry
(Universidad de la Costa, 2020)The present work investigates hazardous elements and nanomineralogical assemblages of phosphogypsum waste from an abandoned phosphate fertilizer industry located in Santa Catarina state (Brazil). Correlations between the ... -
Nanoparticles from construction wastes: A problem to health and the environment
(Universidad de la Costa, 2019-02-08)The present study deals with the nano-mineralogy and geochemistry of ultrafine particles in construction waste from the Porto Alegre region in Southern Brazil. Uncontrolled construction waste dumps and poor management ... -
Nanoparticles from evaporite materials in Colombian coal mine drainages
(Corporación Universidad de la Costa, 2020)Ultrathin and nanometric materials (minerals and amorphous phases) are detected in transitory deposits of potential hazardous elements (PHEs), especially in acidic coal mine drainages. The main goal of this work was to ... -
Nanoparticles in fossil and mineral fuel sectors and their impact on environment and human health: A review and perspective
(Corporación Universidad de la Costa, 2021)Nanoscience and technology have enabled better insights into the environmental and health impacts arising from the mining, production and use of fossil and mineral fuels. Here we provide an overview of the nanoscience-based ... -
Natural ester fluids applications in transformers as a sustainable dielectric and coolant
(Corporación Universidad de la Costa, 2019)New requirements for a better sustainable energy policy around the world is easy to observe, many projects in sustainable energy are developed wherein the academia works together the authorities and commercial firms such ... -
Natural language explanation model for decision trees
(Journal of Physics: Conference Series, 2020-02-01)This study describes a model of explanations in natural language for classification decision trees. The explanations include global aspects of the classifier and local aspects of the classification of a particular instance. ... -
Naturally growing grimmiaceae family mosses as passive biomonitors of heavy metals pollution in urban-industrial atmospheres from the Bilbao Metropolitan area
(Corporación Universidad de la Costa, 2021)In analytical chemistry, biomonitoring is known as the methodology, which consider the use of living organisms to monitor and assess the impact of different contaminants in a known area. This type of monitoring is a ... -
Near ω-continuous multifunctions on bitopological spaces
(Universidad de la Costa, 2019-10)In this paper, we introduce and study basic characterizations, several properties of upper (lower) nearly (i; j)-!-continuous multifunctions on bitopological space. -
Negocios Inclusivos: Una Revisión Teórica Desde La Dinámica Colombiana
(Espacios, 2017-06-25)Este artículo presenta una revisión teórica y empírica de negocios inclusivos, realizada en bases de datos especializadas y documentos de páginas web de instituciones relacionadas al tema abordado, con el objetivo de ... -
Negocios inclusivos: una revisión teórica desde la dinámica colombiana
(Espacios, 2017-06-25)This article presents a theoretical and empirical review of inclusive business, which is achieved in specialized databases and websites institutional documents related to the subject addressed, with the aim of describing ... -
NetFPGA: status, uses, developments, challenges, and evaluation
(Universidad de la Costa, 2020)The constant growth of the Internet, driven by the demand for timely access to data center networks; has meant that the technological platforms necessary to achieve this purpose are outside the current budgets. In this ... -
Network anomaly classification by support vector classifiers ensemble and non-linear projection techniques
(Universidad De La Costa, 2013-09-11)Network anomaly detection is currently a challenge due to the number of different attacks and the number of potential attackers. Intrusion detection systems aim to detect misuses or network anomalies in order to block ...
