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Liu X, Hadiatullah H, Zhang X, Trechera P, Savadkoohi M, Garcia-Marlès M, Reche C, Pérez N, Beddows DCS, Salma I, Thén W, Kalkavouras P, Mihalopoulos N, Hueglin C, Green DC, Tremper AH, Chazeau B, Gille G, Marchand N, Niemi JV, Manninen HE, Portin H, Zikova N, Ondracek J, Norman M, Gerwig H, Bastian S, Merkel M, Weinhold K, Casans A, Casquero-Vera JA, Gómez-Moreno FJ, Artíñano B, Gini M, Diapouli E, Crumeyrolle S, Riffault V, Petit JE, Favez O, Putaud JP, Santos SMD, Timonen H, Aalto PP, Hussein T, Lampilahti J, Hopke PK, Wiedensohler A, Harrison RM, Petäjä T, Pandolfi M, Alastuey A, Querol X. Ambient air particulate total lung deposited surface area (LDSA) levels in urban Europe. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 898:165466. [PMID: 37451445 DOI: 10.1016/j.scitotenv.2023.165466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/16/2023] [Accepted: 07/09/2023] [Indexed: 07/18/2023]
Abstract
This study aims to picture the phenomenology of urban ambient total lung deposited surface area (LDSA) (including head/throat (HA), tracheobronchial (TB), and alveolar (ALV) regions) based on multiple path particle dosimetry (MPPD) model during 2017-2019 period collected from urban background (UB, n = 15), traffic (TR, n = 6), suburban background (SUB, n = 4), and regional background (RB, n = 1) monitoring sites in Europe (25) and USA (1). Briefly, the spatial-temporal distribution characteristics of the deposition of LDSA, including diel, weekly, and seasonal patterns, were analyzed. Then, the relationship between LDSA and other air quality metrics at each monitoring site was investigated. The result showed that the peak concentrations of LDSA at UB and TR sites are commonly observed in the morning (06:00-8:00 UTC) and late evening (19:00-22:00 UTC), coinciding with traffic rush hours, biomass burning, and atmospheric stagnation periods. The only LDSA night-time peaks are observed on weekends. Due to the variability of emission sources and meteorology, the seasonal variability of the LDSA concentration revealed significant differences (p = 0.01) between the four seasons at all monitoring sites. Meanwhile, the correlations of LDSA with other pollutant metrics suggested that Aitken and accumulation mode particles play a significant role in the total LDSA concentration. The results also indicated that the main proportion of total LDSA is attributed to the ALV fraction (50 %), followed by the TB (34 %) and HA (16 %). Overall, this study provides valuable information of LDSA as a predictor in epidemiological studies and for the first time presenting total LDSA in a variety of European urban environments.
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Affiliation(s)
- Xiansheng Liu
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain.
| | | | - Xun Zhang
- Beijing Key Laboratory of Big Data Technology for Food Safety, School of Computer Science and Engineering, Beijing Technology and Business University, Beijing, China; Hotan Normal College. Hotan 848000, Xinjiang, China.
| | - Pedro Trechera
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - Marjan Savadkoohi
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain; Department of Mining, Industrial and ICT Engineering (EMIT), Manresa School of Engineering (EPSEM), Universitat Politècnica de Catalunya (UPC), 08242 Manresa, Spain
| | - Meritxell Garcia-Marlès
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain; Department of Applied Physics-Meteorology, University of Barcelona, Barcelona, Spain
| | - Cristina Reche
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - Noemí Pérez
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | | | - Imre Salma
- Institute of Chemistry, Eötvös Loránd University, Budapest, Hungary
| | - Wanda Thén
- Hevesy György Ph.D. School of Chemistry, Eötvös Loránd University, Budapest, Hungary
| | - Panayiotis Kalkavouras
- Environmental Chemical Processes Laboratory, Department of Chemistry, University of Crete, Heraklion, Greece; Institute for Environmental Research & Sustainable Development, National Observatory of Athens, Athens, Greece
| | - Nikos Mihalopoulos
- Environmental Chemical Processes Laboratory, Department of Chemistry, University of Crete, Heraklion, Greece; Institute for Environmental Research & Sustainable Development, National Observatory of Athens, Athens, Greece
| | - Christoph Hueglin
- Laboratory for Air Pollution and Environmental Technology, Swiss Federal Laboratories for Materials Science and Technology (EMPA), Duebendorf, Switzerland
| | - David C Green
- MRC Centre for Environment and Health, Environmental Research Group, Imperial College London, UK; NIHR HPRU in Environmental Exposures and Health, Imperial College London, UK
| | - Anja H Tremper
- MRC Centre for Environment and Health, Environmental Research Group, Imperial College London, UK
| | - Benjamin Chazeau
- Aix Marseille Univ., CNRS, LCE, Marseille, France; Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
| | - Grégory Gille
- AtmoSud, Regional Network for Air Quality Monitoring of Provence-Alpes-Côte-d'Azur, Marseille, France
| | | | - Jarkko V Niemi
- Helsinki Region Environmental Services Authority (HSY), Helsinki, Finland
| | - Hanna E Manninen
- Helsinki Region Environmental Services Authority (HSY), Helsinki, Finland
| | - Harri Portin
- Helsinki Region Environmental Services Authority (HSY), Helsinki, Finland
| | - Nadezda Zikova
- Institute of Chemical Process Fundamentals, v.v.i. Academy of Sciences of the Czech Republic Rozvojova, Prague, Czech Republic
| | - Jakub Ondracek
- Institute of Chemical Process Fundamentals, v.v.i. Academy of Sciences of the Czech Republic Rozvojova, Prague, Czech Republic
| | - Michael Norman
- Environment and Health Administration, SLB-analys, Stockholm, Sweden
| | - Holger Gerwig
- German Environment Agency (UBA), Dessau-Roßlau, Germany
| | - Susanne Bastian
- Saxon State Office for Environment, Agriculture and Geology (LfULG), Dresden, Germany
| | - Maik Merkel
- Leibniz Institute for Tropospheric Research (TROPOS), Leipzig, Germany
| | - Kay Weinhold
- Leibniz Institute for Tropospheric Research (TROPOS), Leipzig, Germany
| | - Andrea Casans
- Andalusian Institute for Earth System Research (IISTA-CEAMA), University of Granada, Granada, Spain
| | - Juan Andrés Casquero-Vera
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain; Andalusian Institute for Earth System Research (IISTA-CEAMA), University of Granada, Granada, Spain
| | | | | | - Maria Gini
- ENRACT, Institute of Nuclear and Radiological Science & Technology, Energy & Safety, NCSR Demokritos, 15310 Ag. Paraskevi, Athens, Greece
| | - Evangelia Diapouli
- ENRACT, Institute of Nuclear and Radiological Science & Technology, Energy & Safety, NCSR Demokritos, 15310 Ag. Paraskevi, Athens, Greece
| | - Suzanne Crumeyrolle
- Univ. Lille, CNRS, UMR 8518 Laboratoire d'Optique Atmosphérique (LOA), Lille, France
| | - Véronique Riffault
- IMT Nord Europe, Institut Mines-Télécom, Université de Lille, Centre for Energy and Environment, 59000, Lille, France
| | - Jean-Eudes Petit
- Laboratoire des Sciences du Climat et de l'Environnement, CEA/Orme des Merisiers, Gif-sur-Yvette, France
| | - Olivier Favez
- Institut national de l'environnement industriel et des risques (INERIS), Parc Technologique Alata BP2, Verneuil-en-Halatte, France
| | | | | | - Hilkka Timonen
- Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki, Finland
| | - Pasi P Aalto
- Institute for Atmospheric and Earth System Research (INAR), Faculty of Science, University of Helsinki, Finland
| | - Tareq Hussein
- Institute for Atmospheric and Earth System Research (INAR), Faculty of Science, University of Helsinki, Finland; Environmental and Atmospheric Research Laboratory, Department of Physics, School of Science, The University of Jordan, Amman 11942, Jordan
| | - Janne Lampilahti
- Institute for Atmospheric and Earth System Research (INAR), Faculty of Science, University of Helsinki, Finland
| | - Philip K Hopke
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | | | - Roy M Harrison
- Division of Environmental Health and Risk Management, School of Geography, Earth and Environmental Sciences University of Birmingham, Edgbaston, Birmingham, United Kingdom; Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Tuukka Petäjä
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - Marco Pandolfi
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - Andrés Alastuey
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - Xavier Querol
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
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Crilley LR, Lao M, Salehpoor L, VandenBoer TC. Emerging investigator series: an instrument to measure and speciate the total reactive nitrogen budget indoors: description and field measurements. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2023; 25:389-404. [PMID: 36779821 DOI: 10.1039/d2em00446a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Reactive nitrogen species (Nr), defined here as all N-containing compounds except N2 and N2O, have been shown to be important drivers for indoor air quality. Key Nr species include NOx (NO + NO2), HONO and NH3, which are known to have detrimental health effects. In addition, other Nr species that are not traditionally measured may be important chemical actors for indoor transformations (e.g. amines). Cooking and cleaning are significant sources of Nr, whose emission will vary depending on the type of activity and materials used. Here we present a novel instrument that measures the total gas-phase reactive nitrogen (tNr) budget and key species NOx, HONO, and NH3 to demonstrate its suitability for indoor air quality applications. The tNr levels were measured using a custom-built heated platinum (Pt) catalytic furnace to convert all Nr species to NOx, called the tNr oven. The measurement approach was validated through a series of control experiments, such that quantitative measurement and speciation of the total Nr budget are demonstrated. The optimum operating conditions of the tNr oven were found to be 800 °C with a sampling flow rate of 630 cubic centimetres per minute (ccm). Oxidized nitrogen species are known to be quantitatively converted under these conditions. Here, the efficiency of the tNr oven to convert reduced Nr species to NOx was found to reach a maximum at 800 °C, with 103 ± 13% conversion for NH3 and 79-106% for selected relevant amines. The observed variability in the conversion efficiency of reduced Nr species demonstrates the importance of catalyst temperature characterization for the tNr oven. The instrument was deployed successfully in a commercial kitchen, a complex indoor environment with periods of rapidly changing levels, and shown to be able to reliably measure the tNr budget during periods of longer-lived oscillations (>20 min), typical of indoor spaces. The measured NOx, HONO and basic Nr (NH3 and amines) were unable to account for all the measured tNr, pointing to a substantial missing fraction (on average 18%) in the kitchen. Overall, the tNr instrument will allow for detailed survey(s) of the key gaseous Nr species across multiple locations and may also identify missing Nr fractions, making this platform capable of stimulating more in-depth analysis in indoor atmospheres.
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Affiliation(s)
- Leigh R Crilley
- Department of Chemistry, York University, Toronto, ON, Canada.
| | - Melodie Lao
- Department of Chemistry, York University, Toronto, ON, Canada.
| | - Leyla Salehpoor
- Department of Chemistry, York University, Toronto, ON, Canada.
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Liang W, Wang X, Xie N, Yan H, Ma H, Liu M, Kong W, Zhu Z, Bai W, Xiang H. Short-term associations of PM 2.5 and PM 2.5 constituents with immune biomarkers: A panel study in people living with HIV/AIDS. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 317:120743. [PMID: 36442818 DOI: 10.1016/j.envpol.2022.120743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/07/2022] [Accepted: 11/24/2022] [Indexed: 06/16/2023]
Abstract
Studies on associations of fine particulate matter (PM2.5) with immunity in people living with HIV/AIDS (PLWHA) were absent. We aimed to explore whether changes of immune biomarkers were associated with short-term exposure to PM2.5 in PLWHA. Based on a panel study in Wuhan, we selected 163 PLWHA as participants with up to 4 repeated visits from March 2020 to January 2021. Immune biomarkers, including CD4+T cell count, CD8+T cell count, HIV viral load (VL) and CD4+T/CD8+T ratio were tested for all participants at each visit. Residential exposures of PM2.5 and PM2.5 constituents for each participant were assessed using spatial-temporal models. Linear mixed-effect models and general linear mixed models were applied to evaluate the associations between PM2.5 and immune biomarkers. To estimate the combined effect of PM2.5 constituents, weighted quantile sum regression and Bayesian kernel machine regression were employed. Each 10 μg/m3 increase of 7-day average PM2.5 concentrations was associated with an 8.75 cells/mm3 (95%CI: -15.55, -1.98) decrease in CD4+T cell count and a 92% (OR: 1.92, 95%CI: 1.43, 2.58) increased odds ratio of detectable HIV VL. However, the odds ratio of inverted CD4+T/CD8+T was only positively associated with PM2.5 concentrations at lag2 day (OR:1.27, 95%CI:1.02, 1.57). CD4+T may be a potential mediator between PM2.5 and detectable HIV VL with 3.83% mediated proportion. Besides, the combined effect of PM2.5 chemical constituents indicated that NO3- and SO42- were the main constituents in reducing CD4+T cell count and increasing odds ratio of detectable HIV VL. Our finding revealed that short-term exposure to PM2.5 was negatively associated with CD4+T cell count but positively related to the odds ratio of detectable HIV VL in PLWHA. This research may provide new evidence in associations between PM2.5 and immune biomarkers as well as improving prognosis of PLWHA.
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Affiliation(s)
- Wei Liang
- Department of Global Health, School of Public Health, Wuhan University, 115# Donghu Road, Wuhan, 430071, China; Global Health Institute, School of Public Health, Wuhan University, 115# Donghu Road, Wuhan, 430071, China
| | - Xia Wang
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Nianhua Xie
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Han Yan
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Hongfei Ma
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Manqing Liu
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Wenhua Kong
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Zerong Zhu
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Wenjuan Bai
- Wuhan Center for Disease Control and Prevention, 288# Machang Road, Wuhan, 430024, China
| | - Hao Xiang
- Department of Global Health, School of Public Health, Wuhan University, 115# Donghu Road, Wuhan, 430071, China; Global Health Institute, School of Public Health, Wuhan University, 115# Donghu Road, Wuhan, 430071, China.
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You B, Zhou W, Li J, Li Z, Sun Y. A review of indoor Gaseous organic compounds and human chemical Exposure: Insights from Real-time measurements. ENVIRONMENT INTERNATIONAL 2022; 170:107611. [PMID: 36335895 DOI: 10.1016/j.envint.2022.107611] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 10/29/2022] [Accepted: 10/31/2022] [Indexed: 06/16/2023]
Abstract
Gaseous organic compounds, mainly volatile organic compounds (VOCs), have become a wide concern in various indoor environments where we spend the majority of our daily time. The sources, compositions, variations, and sinks of indoor VOCs are extremely complex, and their potential impacts on human health are less understood. Owing to the deployment of the state-of-the-art real-time mass spectrometry during the last two decades, our understanding of the sources, dynamic changes and chemical transformations of VOCs indoors has been significantly improved. This review aims to summarize the key findings from mass spectrometry measurements in recent indoor studies including residence, classroom, office, sports center, etc. The sources and sinks, compositions and distributions of indoor VOCs, and the factors (e.g., human activities, air exchange rate, temperature and humidity) driving the changes in indoor VOCs are discussed. The physical and chemical processes of gas-particle partitioning and secondary oxidation processes of VOCs, and their impacts on human health are summarized. Finally, the recommendations for future research directions on indoor VOCs measurements and indoor chemistry are proposed.
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Affiliation(s)
- Bo You
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Zhou
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
| | - Junyao Li
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhijie Li
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yele Sun
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China.
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Huo Y, Guo H, Lyu X, Yao D. Emission characteristics, sources, and airborne fate of speciated organics in particulate matters in a Hong Kong residence. INDOOR AIR 2022; 32:e13017. [PMID: 35347786 DOI: 10.1111/ina.13017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 02/04/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
A growing number of studies warn of the adverse health effects of indoor particulate matters (PM). However, little is known about the molecular compositions and emission characteristics of PM-bound organics (OM) indoors, a critical group of species with highest concentration and complexity in indoor PM. In a Hong Kong residence where prescribed activities were performed with normal frequency and intensity, we found that the activities significantly elevated not only the total concentration but also the fraction of OM in indoor PM. However, the concentration of the total PM-bound OM outdoors (10.3 ± 0.7 μg/m3 ) surpassed that for the indoor counterpart during the undisturbed period (8.2 ± 0.1 μg/m3 ), that is, period when there was no activity with high emission of PM but the residual effects of previous activities might remain. Emissions of indoor activities involving combustion or high-temperature processes significantly elevated the indoor-to-outdoor (I/O) ratios for a majority of organic species. In addition, gas-to-particle partitioning, secondary formation, carrying-over (residues of pollutants in the air), and re-emission also modulated the I/O ratios of some compounds. Chemically comprehensive emission profiles of speciated organics were obtained for 5 indoor activities in the residence. While the indoor contribution to PM-bound OM was estimated to be not higher than 13.1% during the undisturbed period, carrying-over and/or re-emission seemed to exist for certain compounds emitted from cigarette smoking and incense burning. This study enhances knowledge on emissions and airborne fate of speciated organics in indoor PM.
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Affiliation(s)
- Yunxi Huo
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong, Hong Kong
| | - Hai Guo
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong, Hong Kong
| | - Xiaopu Lyu
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong, Hong Kong
| | - Dawen Yao
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong, Hong Kong
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