Browsing by Author "Querol, Xavier"

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  • Airborne copper exposure in school environments associated with poorer motor performance and altered basal ganglia.
    Pujol Martí, Jesús, 1981-; Fenoll, Raquel; Macià, Dídac; Martínez-Vilavella, Gerard; Álvarez Pedrerol, Mar; Rivas, Ioar; Forns i Guzman, Joan, 1981-; Deus, Joan; Blanco Hinojo, Laura, 1981-; Querol, Xavier; Sunyer Deu, Jordi (Willey, 2016)
    INTRODUCTION: Children are more vulnerable to the effects of environmental elements. A variety of air pollutants are among the identified factors causing neural damage at toxic concentrations. It is not obvious, however, ...
  • Association between traffic-related air pollution in schools and cognitive development in primary school children: a prospective cohort study
    Sunyer Deu, Jordi; Esnaola, Mikel; Álvarez Pedrerol, Mar; Forns i Guzman, Joan, 1981-; Rivas, Ioar; López Vicente, Mònica, 1988-; Suades González, Elisabet; Foraster Pulido, Maria, 1984-; García Esteban, Raquel; Basagaña Flores, Xavier; Viana, Maria Carmen; Cirach, Marta; Moreno, Teresa; Alastuey, Andrés; Sebastián Gallés, Núria; Nieuwenhuijsen, Mark J.; Querol, Xavier (Public Library of Science, 2015)
    Air pollution is a suspected developmental neurotoxicant. Many schools are located in close proximity to busy roads, and traffic air pollution peaks when children are at school. We aimed to assess whether exposure of ...
  • Associations between sources of particle number and mortality in four European cities
    Rivas, Ioar; Vicens Estaran, Laia; Basagaña Flores, Xavier; Tobías, Aurelio; Katsouyanni, Klea; Walton, Heather; Hüglin, Christoph; Alastuey, Andrés; Kulmala, Markku; Harrison, Roy M.; Pekkanen, Juha; Querol, Xavier; Sunyer Deu, Jordi; Kelly, Frank (Elsevier, 2021)
    Background: The evidence on the association between ultrafine (UFP) particles and mortality is still inconsistent. Moreover, health effects of specific UFP sources have not been explored. We assessed the impact of UFP ...
  • Child exposure to indoor and outdoor air pollutants in schools in Barcelona, Spain
    Rivas, Ioar; Viana, Maria Carmen; Moreno, Teresa; Pandolfi, Marco; Amato, Fulvio; Reche, Cristina; Bouso, Laura; Álvarez Pedrerol, Mar; Sunyer Deu, Jordi; Alastuey, Andrés; Querol, Xavier (Elsevier, 2014)
    Proximity to road traffic involves higher health risks because of atmospheric pollutants. In addition to outdoor air, indoor air quality contributes to overall exposure. In the framework of the BREATHE study, indoor and ...
  • Effect of exposure to polycyclic aromatic hydrocarbons on basal ganglia and attention-deficit hyperactivity disorder symptoms in primary school children
    Mortamais, Marion; Pujol Martí, Jesús, 1981-; van Drooge, Barend L.; Macià, Dídac; Martínez-Vilavella, Gerard; Reynes, Christelle; Sabatier, Robert; Rivas, Ioar; Grimalt Obrador, Joan; Forns i Guzman, Joan, 1981-; Álvarez Pedrerol, Mar; Querol, Xavier; Sunyer Deu, Jordi (Elsevier, 2017)
    Background: Polycyclic aromatic hydrocarbons (PAHs) have been proposed as environmental risk factors for attention deficit hyperactivity disorder (ADHD). The effects of these pollutants on brain structures potentially ...
  • Effect of public transport strikes on air pollution levels in Barcelona (Spain)
    Basagaña Flores, Xavier; Triguero Mas, Margarita, 1985-; Agis, David; Pérez, Noemí; Reche, Cristina; Alastuey, Andrés; Querol, Xavier (Elsevier, 2018)
    Public transport strikes can lead to an increase of the number of private vehicle trips, which in turn can increase air pollution levels. We aimed to estimate the change in air pollution concentrations during public transport ...
  • The effects of particulate matter sources on daily mortality: a case-crossover study of Barcelona, Spain
    Ostro, Bart; Tobias, Aurelio; Querol, Xavier; Alastuey, Andrés; Amato, Fulvio; Pey, Jorge; Sunyer Deu, Jordi (National Institute of Environmental Health Sciences (NIEHS), 2011)
    Background: Dozens of studies link acute exposure to particulate matter (PM) air pollution with premature mortality and morbidity, but questions remain about which species and sources in the vast PM mixture are responsible ...
  • Field comparison of portable and stationary instruments for outdoor urban air exposure assessments
    Viana, Maria Carmen; Rivas, Ioar; Reche, Cristina; Fonseca, Ana Sofía; Pérez, Noemí; Querol, Xavier; Alastuey, Andrés; Álvarez Pedrerol, Mar; Sunyer Deu, Jordi (Elsevier, 2015)
    The performance of three portable monitors (micro-aethalometer AE51, DiscMini, Dusttrak DRX) was assessed for outdoor air exposure assessment in a representative Southern European urban environment. The parameters evaluated ...
  • How to protect school children from the neurodevelopmental harms of air pollution by interventions in the school environment in the urban context
    Rivas, Ioar; Querol, Xavier; Wright, John; Sunyer Deu, Jordi (Elsevier, 2018)
    Recently, there has been a flurry of publications assessing the effect of air pollution on neurodevelopment. Here we present a summary of the results obtained within the BRain dEvelopment and Air polluTion ultrafine particles ...
  • Identification of technical problems affecting performance of DustTrak DRX aerosol monitors
    Rivas, Ioar; Mazaheri, Mandana; Viana, Mar; Moreno, Teresa; Clifford, Samuel; He, Congrong; Bischof, Oliver F.; Martins, Vânia; Reche, Cristina; Alastuey, Andrés; Álvarez Pedrerol, Mar, 1981-; Sunyer Deu, Jordi; Morawska, Lidia; Querol, Xavier (Elsevier, 2017)
    The TSI DustTrak Aerosol Monitor is a portable real-time instrument widely used for particulate matter (PM) mass concentrations monitoring. The aim of this work is to report on issues that have arisen from the use of the ...
  • Interaction between airborne copper exposure and ATP7B polymorphisms on inattentiveness in scholar children
    Alemany, Silvia; Vilor Tejedor, Natàlia, 1988-; Bustamante Pineda, Mariona; Álvarez Pedrerol, Mar, 1981-; Rivas, Ioar; Forns i Guzman, Joan, 1981-; Querol, Xavier; Pujol Martí, Jesús, 1981-; Sunyer Deu, Jordi (Elsevier, 2017)
    Recent research indicates that airborne copper exposure in scholar children negatively affects brain functioning. These effects are likely to be influenced by the efficiency of copper metabolism, which is partly regulated ...
  • Neurodevelopmental deceleration by urban fine particles from different emission sources: a longitudinal observational study.
    Basagaña Flores, Xavier; Esnaola, Mikel; Rivas, Ioar; Amato, Fulvio; Álvarez Pedrerol, Mar; Forns i Guzman, Joan, 1981-; López Vicente, Mònica, 1988-; Pujol Martí, Jesús, 1981-; Nieuwenhuijsen, Mark J.; Querol, Xavier; Sunyer Deu, Jordi (National Institute of Environmental Health Sciences, 2016)
    BACKGROUND: A few studies have reported associations between traffic-related air pollution exposure at schools and cognitive development. The role of PM components or sources other than traffic on cognitive development has ...
  • Organic air quality markers of indoor and outdoor PM 2.5 aerosols in primary schools from Barcelona
    van Drooge, Barend L.; Rivas, Ioar; Querol, Xavier; Sunyer Deu, Jordi; Grimalt Obrador, Joan (MDPI, 2020)
    Airborne particulate matter with an aerodynamic diameter smaller than 2.5 µg, PM2.5 was regularly sampled in classrooms (indoor) and playgrounds (outdoor) of primary schools from Barcelona. Three of these schools were ...
  • Outdoor infiltration and indoor contribution of UFP and BC, OC, secondary inorganic ions and metals in PM2.5 in schools
    Rivas, Ioar; Viana, Maria Carmen; Moreno, Teresa; Bouso, Laura; Pandolfi, Marco; Álvarez Pedrerol, Mar; Forns i Guzman, Joan, 1981-; Alastuey, Andrés; Sunyer Deu, Jordi; Querol, Xavier (Elsevier, 2015)
    Infiltration of outdoor-sourced particles into indoor environments in 39 schools in Barcelona was assessed during school hours. Tracers of road traffic emissions (NO2, Equivalent Black Carbon (EBC), Ultrafine Particles ...
  • Partitioning of trace elements and metals between quasi-ultrafine, accumulation and coarse aerosols in indoor and outdoor air in schools
    Viana, Maria Carmen; Rivas, Ioar; Querol, Xavier; Alastuey, Andrés; Álvarez Pedrerol, Mar; Bouso, Laura; Sioutas, Constantinos; Sunyer Deu, Jordi (Elsevier, 2015)
    Particle size distribution patterns of trace elements and metals across three size fractions (<0.25 μm, quasi-ultrafine particles, q-UF; 0.25–2.5 μm, accumulation particles; 2.5–10 μm, coarse particles) were analysed in ...
  • Predictors of personal exposure to black carbon among women in southern semi-rural Mozambique
    Curto Tirado, Ariadna, 1987-; Donaire González, David; Manaca, Maria Nélia Joquim, 1980-; González, Raquel; Sacoor, Charfudin; Rivash, Ioar; Gascon Merlos, Mireia, 1984-; Wellenius, Gregory A.; Querol, Xavier; Sunyer Deu, Jordi; Macetef, Eusébio; Menéndez, Clara; Tonne, Cathryn (Elsevier, 2019)
    Sub-Saharan Africa (SSA) has the highest proportion of people using unclean fuels for household energy, which can result in products of incomplete combustion that are damaging for health. Black carbon (BC) is a useful ...
  • Public transport strikes and their relationships with air pollution, mortality, and hospital admissions
    Triguero Mas, Margarita, 1985-; Martínez Solanas, Èrica, 1982-; Barrera Gómez, Jose; Agis, David; Pérez, Noemí; Reche, Cristina; Alastuey, Andrés; Querol, Xavier; Pérez, Katherine; Basagaña Flores, Xavier (Oxford University Press, 2020)
    There is limited suggestive evidence of relationships between public transport strikes and either increased air pollution or worse population health. In this study we aimed to assess whether public transport strikes were ...
  • Road traffic and sandy playground influence on ambient pollutants in schools
    Minguillón, María Cruz; Rivas, Ioar; Moreno, Teresa; Alastuey, Andrés; Font, Oriol; Córdoba, Patricia; Álvarez Pedrerol, Mar; Sunyer Deu, Jordi; Querol, Xavier (Elsevier, 2015)
    Urban air pollution has a greater impact on children's health compared to adults. In the framework of the BREATHE (BRain dEvelopment and Air polluTion ultrafine particles in scHool childrEn) project, the present work studies ...
  • Short-term effect of air pollution on attention function in adolescents (ATENC!Ó): A randomized controlled trial in high schools in Barcelona, Spain
    Gignac, Florence; Barrera Gómez, Jose; Persavento, Cecilia; Solé, Caterina; Tena, Èlia; López Vicente, Mònica, 1988-; Foraster Pulido, Maria, 1984-; Amato, Fulvio; Alastuey, Andrés; Querol, Xavier; Llavador, Humberto; Apesteguía, José; Júlvez Calvo, Jordi; Couso, Digna; Sunyer Deu, Jordi; Basagaña Flores, Xavier (Elsevier, 2021)
    Background: The recent evidence of the short-term impact of air pollution on youth cognitive functions is based primarily on observational studies. Objectives: We conducted a randomized controlled trial to assess whether ...
  • Short-term effects of ultrafine particles on daily mortality by primary vehicle exhaust versus secondary origin in three Spanish cities
    Tobias, Aurelio; Rivas, Ioar; Reche, Cristina; Alastuey, Andrés; Rodríguez, Sergio Betancourt; Fernández Camacho, Rocío; Sánchez de la Campa, Ana M.; Rosa, Jesús de la; Sunyer Deu, Jordi; Querol, Xavier (Elsevier, 2018)
    BACKGROUND: Evidence on the short-term effects of ultrafine particles (with diameter<100nm, UFP) on health is still inconsistent. New particles in ambient urban air are the result of direct emissions and also the formation ...

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