Browsing by Author "O. Silva, Luis F."
Now showing items 1-6 of 6
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A comprehensive study of biofilms growing on the built heritage of a caribbean industrial city in correlation with construction materials
Gallego Cartagena, Euler; MORILLAS, HECTOR; Maguregui, Maite; Patiño Camelo, Karen Lisana; Marcaida, Iker; MORGADO GAMERO, WENDY BEATRIZ; O. Silva, Luis F.; Madariaga, Juan Manuel (Universidad de la Costa, 2019)Biodeteriogens growing on constructions belonging to the built heritage is one of the leading natural pathologies that cause aesthetical and in some cases, physical-geochemical problems in the materials. In this study, for ... -
Nanomineralogy of evaporative precipitation of efflorescent compounds from coal mine drainage
O. Silva, Luis F.; Pinto, Diana; Dotto, Guilherme Luiz; Hower, James (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 ... -
Oxidative chemical beneficiation of low-quality coals under low-energy ultrasonic and microwave irradiation: an environmental-friendly approach
Saikia, Monikankana; Das, Tonkeswar; Hower, James C.; O. Silva, Luis F.; Fan, Xing; K. Saikia, Binoy (Corporación Universidad de la Costa, 2020-11-26)The present environmentally-friendly coal processing technology discussed herewith focuses on the combined effect of ultrasonic and microwave energy in the extent of mineral matter (ash yield) removal from high-sulfur, ... -
A rapid routine methodology based on chemometrics to evaluate the toxicity of commercial infant milks due to hazardous elements
Gredilla, Ainara; Ortiz de Vallejuelo, Silvia Fdez; Arana, Gorka; de Diego, Alberto; S. Oliveira, Marcos L.; da Boit, Katia; Madariaga, Juan Manuel; O. Silva, Luis F. (United States, 2022-04-12)The toxicity and the health risk assessment associated to the presence of some hazardous elements (HEs) in dried (infant formula and powdered) milks due to manufacturing and packaging process, raw materials used, environmental ... -
Soil contamination in colombian playgrounds: effects of vehicles, construction, and traffic
Blanco Donado, Erika Patricia; S. Oliveira, Marcos L.; Gonçalves, Janaína; Dotto, Guilherme Luiz; O. Silva, Luis F. (Universidad de la Costa, 2020)The presence of potentially hazardous elements (PHEs) in playground soils is generally associated with anthropogenic sources such as vehicle traffic, industries, construction sites, and biomass burning. Studies indicate ... -
The impact of air pollutants on the degradation of two historic buildings in Bordeaux, France
S. Oliveira, Marcos L.; Neckel, Alcindo; Pinto, Diana; Stolfo Maculan, Laércio; Dotto, Guilherme Luiz; O. Silva, Luis F. (Urban Climate, 2021)Urban centers concentrate high levels of atmospheric pollutants, sourced by vehicular traffic, public transit systems, industrial emissions and agricultural emissions. This leads to the accumulation of gases and particulate ...