Listar Química Analítica Aplicada (QANAP) por autor "López-Mahía, P."
Mostrando ítems 1-20 de 22
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A Reliable Method for the Isolation and Characterization of Microplastics in Fish Gastrointestinal Tracts Using an Infrared Tunable Quantum Cascade Laser System
López-Rosales, Adrián; Andrade-Garda, José Manuel; Fernández-González, V.; López-Mahía, P.; Muniategui, Soledad (Elsevier, 2022-03-26)[Abstract] Societal and environmental concern due to frequent reports of microplastics in fish stomachs raised as they may accumulate along the trophic chain. The request for analysing microplastics in fish stresses two ... -
Adsorption of Pesticides and Personal Care Products on Pristine and Weathered Microplastics in the Marine Environment. Comparison Between Bio-Based and Conventional Plastics
Concha-Graña, Estefanía; Moscoso Pérez, Carmen María; López-Mahía, P.; Muniategui, Soledad (Elsevier, 2022)[Abstract] The hydrophobicity of persistent organic pollutants (POPs) makes them adsorb on microplastics in the marine environment, affecting their distribution, persistence, or their transfer to the trophic chain. Fragrances ... -
Development and Validation of a Multi-Pollutant Method for the Analysis of Polycyclic Aromatic Hydrocarbons, Synthetic Musk Compounds and Plasticizers in Atmospheric Particulate Matter (PM₂.₅)
Sánchez-Piñero, Joel; Moreda-Piñeiro, Jorge; Moscoso Pérez, Carmen María; Fernández-González, V.; Prada-Rodríguez, Darío; López-Mahía, P. (Elsevier, 2021-07-18)[Abstract] Exposure to atmospheric particulate matter (PM) associated pollutants is a global concern due to the risk posed in human health after inhalation. In this study, a simple and sensitive multi-residue method is ... -
Development of a Fast and Efficient Method to Analyze Microplastics in Planktonic Samples
López-Rosales, Adrián; Andrade-Garda, José Manuel; Grueiro-Noche, Gloria; Fernández-González, V.; López-Mahía, P.; Muniategui, Soledad (Elsevier, 2021-04-22)[Abstract] Microplastics (MPs) affect plankton (a basis of the trophic chain) and planktivorous fish can ingest them through food confusion or by trophic transmission. Consensus to determine MPs in plankton is lacking and, ... -
Development of an Analytical Procedure to Analyze Microplastics in Edible Macroalgae Using an Enzymatic-Oxidative Digestion
López-Rosales, Adrián; Andrade-Garda, José Manuel; López-Mahía, P.; Muniategui, Soledad (Elsevier, 2022-08-30)[Abstract] Besides being food and a refuge to marine species, macroalgae are a powerful and renewable economic resource. However, they may introduce microplastics (MPs) in the trophic chain. We developed a reliable analytical ... -
Evolution of Gaseous and Particulate Pollutants in the Air: What Changed after Five Lockdown Weeks at a Southwest Atlantic European Region (Northwest of Spain) Due to the SARS-CoV-2 Pandemic?
Moreda-Piñeiro, Jorge; Sánchez-Piñero, Joel; Fernández-Amado, María; Costa-Tomé, Paula; Gallego Fernández, Nuria; Piñeiro-Iglesias, María; López-Mahía, P.; Muniategui, Soledad (MDPI, 2021-04-27)[Abstract] Due to the exponential growth of the SARS-CoV-2 pandemic in Spain (2020), the Spanish Government adopted lockdown measures as mitigating strategies to reduce the spread of the pandemic from 14 March. In this ... -
Fast Quality Control of Natural Gas for Commercial Supply and Transport Utilities
Ferreiro, Borja; Andrade-Garda, José Manuel; López-Mahía, P.; Muniategui, Soledad; Vázquez, Cristina; Pérez, Andrés; Rey, María; Vales Fernández, Carlos (Elsevier, 2021-07-28)[Abstract] Quality control of natural gas frequently relies on off-line slow standardized chromatographic techniques. Previous implementations of new measurement approaches focused of synthetic mixtures without extensive ... -
In-Vitro Inhalation Bioavailability Estimation of Metal(Oid)S in Atmospheric Particulate Matter (PM2.5) Using Simulated Alveolar Lysosomal Fluid: A Dialyzability Approach
Novo-Quiza, Natalia; Sanromán-Hermida, Silvia; Sánchez-Piñero, Joel; Moreda-Piñeiro, Jorge; Muniategui, Soledad; López-Mahía, P. (Elsevier, 2022-12-05)[Abstract] A novel in-vitro method, by using synthetic body fluids, human physiological conditions and a simulated air-blood barrier (by using a dialysis membrane) has been developed and applied to assess in-vitro inhalation ... -
Inhalation Bioaccessibility of Multi-Class Organic Pollutants Associated to Atmospheric PM2.5: Correlation with PM2.5 Properties and Health Risk Assessment
Sánchez-Piñero, Joel; Novo-Quiza, Natalia; Pernas-Castaño, Cristina; Moreda-Piñeiro, Jorge; Muniategui, Soledad; López-Mahía, P. (Elsevier, 2022-06-07)[Abstract] Inhalation exposure to fine particulate matter (PM2.5) represents a global concern due to the adverse effects in human health. In the last years, scientific community has been adopted the assessment of the ... -
Levels and Sources of Atmospheric Particle-Bound Mercury in Atmospheric Particulate Matter (PM₁₀) at Several Sites of an Atlantic Coastal European Region
Moreda-Piñeiro, Jorge; Rodríguez-Cabo, Adrián; Fernández-Amado, María; Piñeiro-Iglesias, María; Muniategui, Soledad; López-Mahía, P. (MDPI, 2020-01)[Abstract] Atmospheric particle-bound mercury (PHg) quantification, at a pg m⁻³ level, has been assessed in particulate matter samples (PM₁₀) at several sites (industrial, urban and sub-urban sites) of Atlantic coastal ... -
Misidentification of PVC Microplastics in Marine Environmental Samples
Fernández-González, V.; Andrade-Garda, José Manuel; López-Mahía, P.; Muniategui, Soledad (Elsevier, 2022-04-30)[Abstract] Poly(vinylchloride), PVC, is the third most demanded polymer in Europe although its presence in marine ecosystems, surprisingly, is scarcely observed. This does not reflect neither its production nor its widespread ... -
Modeling the Natural Gas Knocking Behaviour Using Gas-Phase Infrared Spectra and Multivariate Calibration
Ponte, Santiago; Andrade-Garda, José Manuel; Vázquez, Cristina; Ferreiro, Borja; Cobas, Carlos; Pérez, Andrés; Rey, María; Vales Fernández, Carlos; Pellitero, José; Santracruz, Blanca; Muniategui, Soledad; López-Mahía, P.; Shu, Bo; Bettin, Helga; Klaus, Daniela; Anders, Bert; Betz, Marius; Kühne, Ulf; Meier, Christian; Eilts, Peter (Elsevier, 2021-04-01)[Abstract] To assess the knocking properties of natural gas (NG) when it is used as fuel for vehicles is vital to optimize the design and functioning of their motors. Analytical efforts in this field are needed as the ... -
Monitorization of Polyamide Microplastics Weathering Using Attenuated Total Reflectance and Microreflectance Infrared Spectrometry
Fernández-González, V.; Andrade-Garda, José Manuel; Ferreiro, Borja; López-Mahía, P.; Muniategui, Soledad (Elsevier, 2021-07-10)[Abstract] The EU goal to reduce marine plastic litter by ca. 30% by 2020 stressed the need to deploy analytical methods to ascertain the polymeric nature of a residue. Furthermore, as plastics age under natural conditions ... -
Multi-Class Organic Pollutants in Atmospheric Particulate Matter (PM2.5) From a Southwestern Europe Industrial Area: Levels, Sources and Human Health Risk
Sánchez-Piñero, Joel; Novo-Quiza, Natalia; Moreda-Piñeiro, Jorge; Turnes-Carou, Isabel; Muniategui, Soledad; López-Mahía, P. (Elsevier, 2022-08)[Abstract] The occurrence of 50 multi-class pollutants comprising 18 polycyclic aromatic hydrocarbons (PAHs), 12 phthalate esters (PAEs), 12 organophosphorus flame retardants (OPFRs), 6 synthetic musk compounds (SMCs) and ... -
New Ways for the Advanced Quality Control of Liquefied Natural Gas
Ferreiro, Borja; Andrade-Garda, José Manuel; Paz-Quintáns, Carlota; López-Mahía, P.; Muniategui, Soledad (MDPI, 2022-01-04)[Abstract] Currently, gas chromatography is the most common analytical technique for natural gas (NG) analysis as it offers very precise results, with very low limits of detection and quantification. However, it has several ... -
On the Influence of VOCs on New Particle Growth in a Continental-Mediterranean Region
Gómez-Moreno, Francisco J.; Alonso, Elisabeth; Díaz Ramiro, Elías; Coz, Esther; Molero, Francisco; Núñez, Lourdes; Palacios, Magdalena; Barreiro, Marcos; Fernández, Javier; Salvador, Pedro; Piñeiro-Iglesias, M.; López-Mahía, P.; Borrás, Esther; Vera, Teresa; Muñoz, Amalia; Tritscher, Torsten; Schmitt, Sebastian; Artíñano, Begoña (IOP Sciencie, 2022-12-30)[Abstract] A field campaign has been performed in the Madrid region to study the VOC influence in the growth of new particles in ambient air. A number of instruments have been deployed to characterize the main pollutant ... -
Oral Bioavailability Reveals an Overestimation of the Toxicity of Polycyclic Aromatic Hydrocarbons in Atmospheric Particulate Matter
Sánchez-Piñero, Joel; Gómez-Meijide, Paula; Concha-Graña, Estefanía; Moreda-Piñeiro, Jorge; Muniategui, Soledad; López-Mahía, P. (Springer Nature, 2021-11-19)[Abstract] Polycyclic aromatic hydrocarbons (PAHs) in atmospheric particulate matter have adverse effects on human health, yet total PAH concentrations should overestimate the toxicity compared to the bioavailable amount ... -
Phthalates, Organotin Compounds and Per-Polyfluoroalkyl Substances in Semiconfined Areas of the Spanish Coast: Occurrence, Sources and Risk Assessment
Concha-Graña, Estefanía; Moscoso Pérez, Carmen María; Fernández-González, V.; López-Mahía, P.; Gago, Jesús; León, Víctor M.; Muniategui, Soledad (Elsevier, 2021-03-14)[Abstract] In this work two sensitive areas of the Spanish coast located in the Atlantic (Ria de Vigo) and Mediterranean (Mar Menor lagoon) have been studied regarding their contamination by phthalates, organotin compounds ... -
Polycyclic Aromatic Hydrocarbons Analysis in Tea Infusions and Tea Beverages Using Membrane Assisted Solvent Extraction
Mañana López, Adriana; Sánchez-Piñero, Joel; Moreda-Piñeiro, Jorge; Turnes-Carou, Isabel; Muniategui, Soledad; López-Mahía, P. (Elsevier, 2021-04-16)[Abstract] Membrane Assisted Solvent Extraction (MASE) was applied as an extraction and enrichment technique of polycyclic aromatic hydrocarbons (PAHs) from tea infusions and fruit/herbal-tea beverages. PAHs have been ... -
Source Apportionment of PM10 and Health Risk Assessment Related in a Narrow Tropical Valley. Study Case: Metropolitan Area of Aburrá Valley (Colombia)
Ramos Contreras, Carlos Daniel; Piñeiro-Iglesias, M.; Concha-Graña, Estefanía; Sánchez-Piñero, Joel; Moreda-Piñeiro, Jorge; Franco-Uría, Amaya; López-Mahía, P.; Molina-Pérez, Francisco; Muniategui, Soledad (Springer, 2023-04-05)[Abstract] This study investigates spatio-temporal variations of PM10 mass concentrations and associated metal(oid)s, δ13C carbon isotope ratios, polycyclic aromatic hydrocarbons (PAHs), total organic carbon (TOC) and ...