Atmospheric Environment, Journal Year: 2023, Volume and Issue: 309, P. 119932 - 119932
Published: June 27, 2023
Language: Английский
Frontiers in Immunology, Journal Year: 2022, Volume and Issue: 13
Published: July 29, 2022
The etiopathogenesis of inflammatory and autoimmune diseases, including pulmonary disease, atherosclerosis, rheumatoid arthritis, has been linked to human exposure volatile organic compounds (VOC) present in the environment. Chronic inflammation due immune breakdown malfunctioning system projected play a major role initiation progression disorders. Macrophages, phagocytes involved regulation chronic inflammation, are target VOC. Excessive prolonged activation cells (T B lymphocytes) overexpression master pro-inflammatory constituents [cytokine tumor necrosis factor-alpha, together with other mediators (interleukin-6, interleukin-1, interferon-gamma)] have shown central pathogenesis responses. function efficiency resulting immunostimulation immunosuppression result exogenous endogenous factors. An disorder is by-product overproduction these mediators. Additionally, an excess toxicants helps promoting autoimmunity through alterations DNA methylation CD4 T cells. purpose this review shed light on possible VOC onset diseases.
Language: Английский
Citations
78
Environment International, Journal Year: 2022, Volume and Issue: 165, P. 107330 - 107330
Published: May 31, 2022
Highly time-resolved data for volatile organic compounds (VOCs) can now be monitored. Source analyses of such high concentrations provides key information controlling VOC emissions. This work reviewed the literature on VOCs source published from 2015 to 2021, and assesses state-of-the-art existing issues with these studies. Gas chromatography system direct-inlet mass spectrometry are main monitoring tools. Quality control (QC) process is critical prior analysis. QC includes inspection replacement instrument consumables, calibration curve corrections, reviewing data. Approximately 54% papers lacked details quantitative evaluation effectiveness measures. Among works, number monitored species varied 5 119, fraction more than 90 increased yearly. US EPA PMF v5.0 was most commonly used (∼86%) analyses. However, conventional apportionment directly uses measured may problematic given impacts dispersion photochemical losses, uncertainty setting data, factor resolution, identification. Excluding high-reactivity or estimation corrected were often applied reduce influence reactions results. reports did not specify selection criteria specific error values in estimation. Model diagnostic indexes 99% analysis determine resolution. Due lack known local profiles, identification mainly achieved using marker characteristic ratios. multiple sources had high-collinearity same identify different sources. Vehicle emissions fuel evaporation primary contributors around world. Contribution coal combustion China substantially higher other countries.
Language: Английский
Citations
71
Atmosphere, Journal Year: 2025, Volume and Issue: 16(1), P. 74 - 74
Published: Jan. 10, 2025
Volatile organic compounds (VOCs), the precursors of ozone and fine particulate matter, are one atmospheric pollutants harmful to human health. The emission characteristics VOCs in Anyang, a typical industrial city Central Plains China, unclear. To determine level composition local VOCs, this study conducted on-site sampling 20 factories eight key industries. A total 105 VOC species seven categories were observed. concentration emitted from industries order large small was as follows: packaging printing > pharmaceutical paint manufacturing coating chemical industry metal smelting furniture textile dyeing. In addition coating, their corresponding formation potential organized emissions (1.44–87.64, 1.52–181.61 mg/m3) higher than those unorganized (0.38–24.17, 0.38–125.55 mg/m3). concentrated central, south-central, south-eastern parts city, mainly printing, pharmaceutical, paint, (4.55 × 10−3) (1.66 at high risk carcinogenesis, while (3.61 10−4) moderate carcinogenesis. Naphthalene main high-risk compound. terms non-carcinogenic risk, (228.51) (16.16) had highest compound ethyl acetate.
Language: Английский
Citations
2
Aerosol and Air Quality Research, Journal Year: 2022, Volume and Issue: 22(2), P. 210064 - 210064
Published: Jan. 1, 2022
Ambient VOCs in the vicinity of a petrochemical industrial area were analyzed for their health impact and potential emission sources. Comprehensive measurements conducted based on U.S. EPA TO-15. Potential carcinogenic non-carcinogenic inhalation risks evaluated by comparing measured concentrations with unit risk (IUR) reference concentration (RfC). The results indicated that high occurred from 1,2 dibromoethane benzene, while attributed to 1,3 butadiene, 1,1,2 trichloroethane, 3-chloropropene. Positive Matrix Factorization (PMF) Version 5.0 was further utilized estimate contribution specific sources VOC mixing ratio. revealed average community dominated aromatic hydrocarbons, toluene having highest concentration. Vehicle exhaust as most contributing source ratio, followed processes. Specific ratios also applied identify T/B ratio within range 3.54–5.15, confirming vehicle emissions main pollutants during entire investigated period area. As area, alkenes. Industrial processes industry major VOCs. assessment acrolein had non-carcinogens. 1,2-dichloroethane 1,3-butadiene showed carcinogens.
Language: Английский
Citations
49
The Science of The Total Environment, Journal Year: 2022, Volume and Issue: 855, P. 158873 - 158873
Published: Sept. 17, 2022
Language: Английский
Citations
48
Processes, Journal Year: 2023, Volume and Issue: 11(3), P. 853 - 853
Published: March 13, 2023
In the perspective of energy sustainability, biomass is widely used renewable domestic with low cost and easy availability. Increasing studies have reported health impacts toxic substances from burning emissions. To make proper use as residential solid energy, evaluation its risks environmental necessity. Empirical on characteristics emissions would provide scientific data drive development advanced technologies. This review focuses emission four substances, including heavy metals, polycyclic aromatic hydrocarbons (PAHs), elemental carbon (EC), volatile organic compounds (VOCs) emitted burning, which received increasing attention in recent worldwide. We focus developments empirical studies, methods measurements, technical factors. The influences key factors are combustion technology type biomass. sampling testing summarized associated various corresponding parameters, there no standard for sector. Integration findings previous indicated that modern technologies result a 2–4 times reduction, compared traditional stoves. Types dominant contributors to certain may help invention or implementation targeted control implications evidence push improvements establish appropriate strategies improve prevention hazards.
Language: Английский
Citations
24
The Science of The Total Environment, Journal Year: 2022, Volume and Issue: 836, P. 155465 - 155465
Published: April 29, 2022
Language: Английский
Citations
36
The Science of The Total Environment, Journal Year: 2022, Volume and Issue: 858, P. 159951 - 159951
Published: Nov. 3, 2022
Language: Английский
Citations
35
Chemosphere, Journal Year: 2023, Volume and Issue: 334, P. 139001 - 139001
Published: May 21, 2023
Language: Английский
Citations
20
Atmospheric Pollution Research, Journal Year: 2023, Volume and Issue: 14(5), P. 101730 - 101730
Published: March 27, 2023
Language: Английский
Citations
17