Results 21 to 30 of about 17,931 (212)
Degradación de un contaminante orgánico en solución acuosa, empleando mezclas de agua oxigenada y sales de hierro (reacción de Fenton) [PDF]
, 2023 En este trabajo se modela y verifica experimentalmente la degradación de un contaminante orgánico del agua, utilizando una mezcla de agua oxigenada y sales de hierro (reacción de Fenton).
Albizzati, Enrique Donato +2 more
core
Métodos para determinar la actividad enzimática en suelos contaminados
South SustainabilityEl suelo es impactado por diversas actividades antropogénicas, como la minería, la agricultura y la ganadería, lo que afecta negativamente a la biodiversidad y la seguridad alimentaria debido a la contaminación. La actividad enzimática representa uno de
Armando Jesus Edilberto Velez Azañero +4 more
doaj +1 more source
Modelación de la distribución de un contaminante liquido usando la ecuación de difusión en dos dimensiones [PDF]
, 2022 In this work, the 2D-diffusion equation is used to model the diffusion process of a pollutant in calm and shallow waters. The diffusion coefficient was considered spatially constant and only dependent on the nature of the substance.
Agreda-Delgado, Jhenry F. +2 more
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Nanocristales para degradación de un colorante contaminante
Revista Colombiana de Química, 2016 La fotoestabilidad de nanocristales (NCs) del grupo II-VI, como CdSe se aprovecha en procesos de fotocatálisis. Sin embargo, el contenido de metales tóxicos limita su aplicación en el ambiente en la remediación de residuos de las industrias textiles, de ...
Giovanni Andrés Castro Acuña +1 more
doaj +1 more source
Pol‐NIC: An open database on pollen nutrients, imaging, and contaminants
Ecological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.Pollen is a key component of pollinators' nutrition, yet information on its nutrient composition is largely missing from floral trait datasets. These data paper compiles existing data for 283 plant species and adds new multidimensional analyses of cultivated and wild plants to address major knowledge gaps, along with photos of pollen grain morphology ...
Amélie Morin +9 more
wiley +1 more source
La contaminación invisible: Contaminantes marinos emergentes
Mètode Science Studies Journal: Annual Review, 2021 Desde el Antropoceno, el planeta está amenazado por una serie de riesgos asociados a la actividad humana. Entre ellos, la contaminación química plantea desafíos conceptuales y técnicos que hacen especialmente compleja su caracterización a escala global.
Belen Gonzalez-Gaya
doaj +1 more source
Dual‐Functional 3D‐Nanoprinted AFM Probes for Correlative Magnetic and Conductive Characterization
Small Methods, Volume 10, Issue 1, 10 January 2026.A novel atomic force microscopy (AFM) probe concept is presented that enhances correlative microscopy. The purpose‐built design integrates magnetic and conductive functionality in a mechanically stable and ultra‐sharp probe, enabling advanced AFM operation in tapping and contact modes.
Lukas M. Seewald +3 more
wiley +1 more source
Electroanalysis, Volume 37, Issue 12, December 2025.This study reports the development of an electrochemical sensor printed with graphite‐based ink on a recycled PET substrate. The device was functionalized with a molecularly imprinted polymer (MIP) and multiwalled carbon nanotubes (MWCNTs) for the selective detection of paraquat in water, apple juice, and acerola juice samples, highlighting its ...
Malena Karla Lombello Coelho de Souza +5 more
wiley +1 more source
Revista Águas Subterrâneas, 2014 Apresenta-se um problema de otimização da remediação de águas subterrâneas por meio da técnica bombear-e-tratar. Dois objetivos são perseguidos: 1) minimizar a pluma contaminante; e 2) minimizar do custo total da remediação.
Marcos Rodrigues Pinto +3 more
doaj +1 more source
Risk, Hazards &Crisis in Public Policy, Volume 16, Issue 4, December 2025.ABSTRACT Background Hazardous levels of contaminants produced by anthropogenic activities are increasingly pervading residential environs and urban areas. Hazardous contamination can pose significant health risks for citizens dwelling in exposure pathways.
Rosina Johnson +3 more
wiley +1 more source