{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14(2)"],"submitter":["Yan H"],"pubmed_abstract":["Clean heating policies were implemented in rural areas of Shaanxi Province in 2017 to alleviate severe air pollution. To evaluate their impacts on bioavailability of PM<sub>2.5</sub>-bound metals, the influence of emission sources and aerosol acidity on PM<sub>2.5</sub>-bound metal solubility was explored in Xi'an over three policy-defined periods between 2016 and 2021. Results showed that aerosol pH increased progressively from 4.81 ± 1.82 to 5.29 ± 1.79 following policy implementation, closely associated with reductions in SO<sub>2</sub> and NO<sub>2</sub> concentrations due to emission controls. Metal concentrations decreased significantly over the study period. In contrast, metal solubility exhibited clear source-dependent variations. Solubilities of metals associated with coal combust"],"journal":["Toxics"],"pagination":["168"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12945187"],"repository":["biostudies-literature"],"pubmed_title":["Changes in Metal Solubility in PM&lt;sub&gt;2.5&lt;/sub&gt; in Xi'an City Under Clean Heating Policies: Effects of Emission Source and Aerosol Acidity."],"pmcid":["PMC12945187"],"pubmed_authors":["Dong Y","Li C","Liu P","Xue Z","Xue J","Xu H","Yan H","Sun J"],"additional_accession":[]},"is_claimable":false,"name":"Changes in Metal Solubility in PM&lt;sub&gt;2.5&lt;/sub&gt; in Xi'an City Under Clean Heating Policies: Effects of Emission Source and Aerosol Acidity.","description":"Clean heating policies were implemented in rural areas of Shaanxi Province in 2017 to alleviate severe air pollution. To evaluate their impacts on bioavailability of PM<sub>2.5</sub>-bound metals, the influence of emission sources and aerosol acidity on PM<sub>2.5</sub>-bound metal solubility was explored in Xi'an over three policy-defined periods between 2016 and 2021. Results showed that aerosol pH increased progressively from 4.81 ± 1.82 to 5.29 ± 1.79 following policy implementation, closely associated with reductions in SO<sub>2</sub> and NO<sub>2</sub> concentrations due to emission controls. Metal concentrations decreased significantly over the study period. In contrast, metal solubility exhibited clear source-dependent variations. Solubilities of metals associated with coal combust","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Feb","modification":"2026-07-11T03:13:10.734Z","creation":"2026-07-11T03:11:21.518Z"},"accession":"S-EPMC12945187","cross_references":{"pubmed":["41745842"],"doi":["10.3390/toxics14020168"]}}