Environmental Geochemistry and Health最新文献

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Polychlorinated biphenyls induced toxicities upon cell lines and stem cells: a review.
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-24 DOI: 10.1007/s10653-025-02362-7
Muhammad Zaffar Hashmi, Anaela Shoukat, Siwatt Pongpiachan, Yasar N Kavil, Saeed Saad Alelyani, Mohammed M Alkasbi, Mohamed Hussien, Md Toushik Ahmed Niloy
{"title":"Polychlorinated biphenyls induced toxicities upon cell lines and stem cells: a review.","authors":"Muhammad Zaffar Hashmi, Anaela Shoukat, Siwatt Pongpiachan, Yasar N Kavil, Saeed Saad Alelyani, Mohammed M Alkasbi, Mohamed Hussien, Md Toushik Ahmed Niloy","doi":"10.1007/s10653-025-02362-7","DOIUrl":"10.1007/s10653-025-02362-7","url":null,"abstract":"<p><p>Polychlorinated biphenyls (PCBs) are persistent organic pollutants emitted during e-waste activities. Upon release into the environment, PCBs can pose harmful effects to the humans and environment. The present review focused on the effects of PCBs on cell proliferation, apoptosis, functional and developmental toxicity and potential possible molecular mechanisms upon cells and stem cells. The review also highlights the effects of low- and high-chlorinated, and dioxin and non-dioxin PCBs. The review suggested that high chlorinated and dioxin like PCBs at higher concentrations posed more toxic effects to cells and stem cells. PCBs at higher levels induced hepatotoxicity, carcinogenicity, reproductive toxicity, neurotoxicity and lung cell toxicity. PCBs triggered reactive oxygen species which actives mitogen activated pathways, nuclear factor and cytochrome pathway for cell proliferation and apoptosis. Further, review highlights PCBs induced toxicity in stem cells with the focus on developmental and functional toxicity. The review could be useful to understand the PCBs toxicities and mechanisms and will guide to policy makers to design policies for e-waste pollutant.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"56"},"PeriodicalIF":3.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143032709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of modified solidified soil in in-situ backfilling of coal gangue: evaluation of arsenic stabilization effect and mechanism study.
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-24 DOI: 10.1007/s10653-025-02368-1
Yuhang Chen, Kai Zhang, Qibao Wang, Kang Yang, Chaofan Yao, Xuying Tan
{"title":"Application of modified solidified soil in in-situ backfilling of coal gangue: evaluation of arsenic stabilization effect and mechanism study.","authors":"Yuhang Chen, Kai Zhang, Qibao Wang, Kang Yang, Chaofan Yao, Xuying Tan","doi":"10.1007/s10653-025-02368-1","DOIUrl":"10.1007/s10653-025-02368-1","url":null,"abstract":"<p><p>As a typical ecologically fragile area, the Wudong Coal Mine region in Xinjiang generates large accumulations of coal gangue each year, which, in the alkaline soil environment, can easily lead to significant leaching and accumulation of As. This study developed a stabilizer (CFD) using cement, fly ash, and desulfurized gypsum to modify in-situ soil in the Xinjiang mining area, resulting in a modified solidified soil with excellent geotechnical performance and As stabilization capability. The study results showed that when CFD content exceeded 14.5% (H8), the unconfined compressive strength was above 350 kPa. The adsorption capacity of the solidified soil for As could exceed 90%. Leaching experiments revealed that the As leaching amount from solidified soil-coal gangue was below 0.01 mg/L, meeting China's Class III groundwater standard, thereby effectively reducing ecological and environmental risks. The modified solidified soil prepared in this study expanded the application scenarios for cement, providing a technical basis for the large-scale in-situ disposal of coal gangue in Xinjiang mining areas. It reduced the disposal costs of coal gangue and offered insights into its resource utilization and harmless use.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"57"},"PeriodicalIF":3.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143032704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Examination of heavy metal concentrations and their interaction with anthropogenic sources in Ermenek Dam Lake (Turquoise Lake).
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-24 DOI: 10.1007/s10653-025-02367-2
Yusuf Alparslan Argun
{"title":"Examination of heavy metal concentrations and their interaction with anthropogenic sources in Ermenek Dam Lake (Turquoise Lake).","authors":"Yusuf Alparslan Argun","doi":"10.1007/s10653-025-02367-2","DOIUrl":"10.1007/s10653-025-02367-2","url":null,"abstract":"<p><p>This study aims to determine the spatial distribution of heavy metal pollution in Ermenek Dam Lake, water quality assessment and pollution sources. For this purpose, samples were taken 6 times a year from 12 points determined in 2024. Physico-chemical parameters and heavy metals were analyzed in the study. Using the analysis results, indexes such as Water Quality Index and Heavy Metal Pollution Index were calculated. The results show that the lake water complies with TS 266 and WHO standards. The index results indicate that the lake water is at low pollution and risk level and is safe. The distribution and sources of heavy metals were examined using correlation analysis, Principal Component Analysis and Hierarchical Cluster Analysis. Correlation analyses showed that there were significant relationships between pH, temperature, conductivity, dissolved oxygen and TDS and heavy metals. PCA results revealed that Zn was positively correlated with temperature and pH, while Mn and Ni were inversely correlated. The alignment of Pb, Cu and Cd in the same direction showed that these parameters were affected by common sources. HCA results showed that Cr and Fe have similar transport and source properties, while Mn and Ni are affected by different sources. In general, it was determined that heavy metal pollution in lake water was at low levels and local concentrations were present. The study revealed the effects of anthropogenic activities on the lake ecosystem. The findings of the study provide a guiding basis for water quality management in similar hydrological systems.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"58"},"PeriodicalIF":3.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11762206/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143036885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of cationic bridges in enhancing sulfamethoxazole adsorption onto montmorillonite. 阳离子桥在促进磺胺甲恶唑在蒙脱土上吸附中的作用。
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-20 DOI: 10.1007/s10653-025-02366-3
Qianhui Guan, Xiao Shu, Wensheng Wu, Yue Zhang, Chenhui Wang, Mingfu Li, Ni Liang, Quan Chen
{"title":"The role of cationic bridges in enhancing sulfamethoxazole adsorption onto montmorillonite.","authors":"Qianhui Guan, Xiao Shu, Wensheng Wu, Yue Zhang, Chenhui Wang, Mingfu Li, Ni Liang, Quan Chen","doi":"10.1007/s10653-025-02366-3","DOIUrl":"10.1007/s10653-025-02366-3","url":null,"abstract":"<p><p>The coexistence and interaction of free metal cations in the environment can significantly affect the migration of organic pollutants, leading to varied effects depending on environmental conditions. However, the mechanisms affecting the adsorption of organic pollutants in the presence of metal ions remain poorly understood due to limited molecular-level studies. This study investigated the adsorption behavior of sulfamethoxazole (SMX) on montmorillonite (MT) at different pH values (1.6, 3.0, and 5.0) in the presence of three metal cations with different valences: Na<sup>+</sup>, Ca<sup>2+</sup>, and Cr<sup>3+</sup>. At pH 5.0, the adsorption of SMX by MT at pH 5.0 in Ca<sup>2+</sup> and Cr<sup>3+</sup> systems increased significantly-by 7.25 times and 47 times, respectively, compared to those at pH 1.6. In contrast, Na<sup>+</sup> had a less pronounced effect on SMX adsorption. Density functional theory (DFT) calculations indicated that as the pH value increases, the interaction between SMX, metal ions, and MT strengthens. Furthermore, the adsorption binding energy of SMX in the high-valence Cr<sup>3+</sup> system (- 94.51 kcal/mol) was significantly lower than in the low-valence Na<sup>+</sup> system (- 36.55 kcal/mol). As pH and cation valency increased, the bonding density of cation bridges also increased, leading to a more substantial enhancement in SMX adsorption. This study provides insights into the adsorption mechanism of SMX on MT in the presence of metal cations, contributing valuable understanding of the environmental behavior of organic pollutants under varying cationic conditions.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"54"},"PeriodicalIF":3.2,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143001709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temporal and spatial variations of soil Se in China over the past half century and its influencing factors. 近半个世纪中国土壤硒的时空变化特征及其影响因素
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-20 DOI: 10.1007/s10653-025-02365-4
Xiangjun Wang, Yuexuan Wang, Minghuan Xu, Xianglei Cheng, Changmao Long, Lijun Wei, Baojun Zhang
{"title":"Temporal and spatial variations of soil Se in China over the past half century and its influencing factors.","authors":"Xiangjun Wang, Yuexuan Wang, Minghuan Xu, Xianglei Cheng, Changmao Long, Lijun Wei, Baojun Zhang","doi":"10.1007/s10653-025-02365-4","DOIUrl":"10.1007/s10653-025-02365-4","url":null,"abstract":"<p><p>Soil serves as a significant reservoir of selenium (Se) and plays a crucial role for the entry of Se into the food chain. Therefore, it is of utmost importance to gain a deep understanding of the spatial and temporal variation of total soil Se content in China, as well as its influencing factors. This understanding is essential for the rational and efficient utilization of Se resources, the maintenance of ecological balance, and the preservation of human health in the future. Through a comprehensive literature search, relevant studies were identified, and information regarding soil total Se content, soil available Se content, soil pH, and soil organic matter (SOM) was extracted. The Mann-Kendall (M-K) test was employed to analyze the variation of total soil Se content, while Moran's I was used to examine the global and local spatial clustering characteristics of soil Se. The results indicate that the total Se content in China has shown an increase at different spatial and temporal scales, particularly in Central China. Furthermore, there is a significant difference in total Se content between cultivated soil and natural soil in Central China (P < 0.05). Additionally, soil physicochemical properties have been found to impact soil total Se content. Specifically, pH is negatively correlated with soil total Se content, while SOM is positively correlated with it (P < 0.05). Overall, the findings suggest that the total Se content in Chinese soil is increasing over time, and human agricultural activities and physicochemical properties of the soil, such as soil pH and SOM, likely influence the bioavailability of Se or the overall soil total Se content through their interaction with Se speciation in the soil to some extent. It is important to note that changes in environmental conditions may also have some degree of impact on the total Se content.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"55"},"PeriodicalIF":3.2,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143002462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sources identification and health risk assessment of heavy metals in total suspended particulates (TSP) in a geochemical anomaly area influenced by historical indigenous zinc smelting activities. 受历史本地炼锌活动影响的地球化学异常区总悬浮颗粒物(TSP)重金属来源识别及健康风险评价
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-17 DOI: 10.1007/s10653-025-02363-6
Qiuye Zhang, Hongyan Liu, Xiaozhui Ran, Faustino Dinis, Enjiang Yu
{"title":"Sources identification and health risk assessment of heavy metals in total suspended particulates (TSP) in a geochemical anomaly area influenced by historical indigenous zinc smelting activities.","authors":"Qiuye Zhang, Hongyan Liu, Xiaozhui Ran, Faustino Dinis, Enjiang Yu","doi":"10.1007/s10653-025-02363-6","DOIUrl":"10.1007/s10653-025-02363-6","url":null,"abstract":"<p><p>The superposition of heavy metals (HMs) from multiple anthropogenic sources in geochemical anomaly areas makes it difficult to discriminate prime sources in atmospheric HMs. This study utilized a combination of microscopic features, positive matrix factorisation, and Pb isotope fingerprints to trace the main sources of HMs bound to total suspended particulates (TSP) at a pollution site (Msoshui: MS) and control site (Lushan: LS) in northwestern Guizhou. The results reveal that the concentrations of Cd, Pb, Cr, As, Cu, Ni, and Zn in the TSP of LS are 3.97, 94.25, 2.93, 26.51, 3.15, 3.23, and 122.08 ng m<sup>-3</sup>, respectively, in the 5 years from 2018 to 2022, compared to 20.15, 960.28, 4.20, 41.50, 7.72, 2.95, and 1614.50 ng m<sup>-3</sup> in that of MS. In comparison with other cities and remote areas, the concentrations of TSP-bound Cd, Pb, As, and Zn at MS and LS are high. The microscopic morphology shows that atmospheric particles of LS are primarily derived from mineral dust, whereas those of MS are mainly affected by multiple anthropogenic sources. The results of the positive matrix factorisation model (PMF) suggest that the predominant sources of TSP-bound HMs at MS are industrial sources, mixed sources (coal combustion and traffic sources), and mineral dust, reflecting the noticeable superposition of industrial sources compared to those at LS. The Pb isotope analysis demonstrates that TSP-bound Pb principally derive from surface soil (61.33%) and vehicle exhaust & dust from burning coal (38.67%) at LS, while it is mainly influenced by surface soil (29.21%), smelter dust (27.50%), and vehicle exhaust & dust from burning coal (43.29%) at MS. Moreover, it also indicates that the lingering effects of historical indigenous zinc smelting activities continue to impact the atmospheric and surface soil conditions in northwestern Guizhou Province. Risk assessment indicates that although the non-carcinogenic risk for each element is within acceptable limits, the total non-carcinogenic risk of HMs exceeds the minimal risk level, and Cd and As are the primary contributors.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"53"},"PeriodicalIF":3.2,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143002460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Source-oriented health risk assessment of soil potentially toxic elements based on Monte Carlo simulation in the upper reaches of Wei River Basin, China. 基于蒙特卡罗模拟的渭河上游土壤潜在有毒元素源性健康风险评价
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-16 DOI: 10.1007/s10653-025-02361-8
Yuqi Zhang, Bing Jiang, Zongjun Gao, Jiutan Liu, Bo Jiang, Jianbin Zhang
{"title":"Source-oriented health risk assessment of soil potentially toxic elements based on Monte Carlo simulation in the upper reaches of Wei River Basin, China.","authors":"Yuqi Zhang, Bing Jiang, Zongjun Gao, Jiutan Liu, Bo Jiang, Jianbin Zhang","doi":"10.1007/s10653-025-02361-8","DOIUrl":"10.1007/s10653-025-02361-8","url":null,"abstract":"<p><p>The natural environment and public health are gravely threatened by the enrichment of soil potentially toxic elements (PTEs). To explore the contamination level, sources and human health risks posed by PTEs, high-density soil sampling was carried out in the upper Wei River region (UWRR). The results demonstrated that the pollution risk and ecological risk in UWRR as a whole were at a low level, but there were moderate or higher ecological risks of Hg and Cd in some areas. Source analysis of soil PTEs was conducted via absolute principal component score multiple linear regression (APCS-MLR) and positive matrix factorization (PMF) receptor models. APCS-MLR identified three potential sources, while the source division of PMF model was more detailed, which identified four potential sources: mining, coal combustion, machinery manufacturing and agricultural sources, with contribution percentages of 31%, 3%, 37% and 29% respectively. According to the probabilistic human health risk assessment (HHRA), the non-carcinogenic risk for adults was negligible, while that for children cannot be negligible. There were total carcinogenic risks for all populations, but the risk level was acceptable. The total cancer risk for children surpassed 1E-04 by 31.29%, implying a significant carcinogenic risk. Machinery manufacturing was found to be the most significant anthropogenic source of health concerns. This study offers an illustration of probabilistic risk assessment based on sources. The results of the study are favorable to provide new perspectives and scientific reference for soil PTE risk assessment and pollution control.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"52"},"PeriodicalIF":3.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143002458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of Fenton-like reaction for sorption and degradation of kasugamycin in the presence of biochar. 生物炭存在下Fenton-like反应对卡苏霉素吸附降解的评价。
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-15 DOI: 10.1007/s10653-025-02357-4
Wei Zhang, Liqiang Cui, Jingwen Ma, Shuyan Cui, Guixiang Quan, Jinlong Yan, Fengfeng Sui, Hui Wang, Kiran Hina, Qaiser Hussain
{"title":"Evaluation of Fenton-like reaction for sorption and degradation of kasugamycin in the presence of biochar.","authors":"Wei Zhang, Liqiang Cui, Jingwen Ma, Shuyan Cui, Guixiang Quan, Jinlong Yan, Fengfeng Sui, Hui Wang, Kiran Hina, Qaiser Hussain","doi":"10.1007/s10653-025-02357-4","DOIUrl":"10.1007/s10653-025-02357-4","url":null,"abstract":"<p><p>Although the use of biochar as an adsorbent for the removal of various pollutants from wastewater is well established, the use of biochar/modified biochar for the scavenging of antibiotics from aqueous media in the Fenton-like system receives less attention. The highest kasugamycin (KSM) adsorption capacity (5.0 mg g<sup>-1</sup>) was obtained from the pristine biochar at the lowest initial pH of 3 in Fenton-like system. The Fenton-like system improved the KSM adsorption capacity of pristine biochar by 222.2%, 169.9%, and 159.9% at 25 °C, 35 °C, and 45 °C comparing to control, respectively, and it also increased adsorption capacity by 97.4%, 63.8%, and 56.8% comparing to modified biochar. The amounts of biochar applied and the Fenton-like system affected KSM mineralization and degradation. The KSM degradation products had a significant amount of small molecular organic matter (m/z 384) and a tetrahydropyran structure that was difficult to degrade. The highly efficient degradation of KSM in Fenton-like system can be attributed to the generation of large amounts of hydroxyl radical (·OH) and functional groups (C=C, C=O, etc.).</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"50"},"PeriodicalIF":3.2,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142982862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sustainable remediation of abandoned coal mines using vermicompost: a case study in Ledo coal mine, India. 利用蚯蚓堆肥对废弃煤矿进行可持续修复:以印度雷多煤矿为例。
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-15 DOI: 10.1007/s10653-024-02355-y
Krishna Das, Sajan Kumar Dansena, Suryateja Pottipati, Krishna Chaitanya Maturi, Ganesh Chandra Dhal, Ajay S Kalamdhad
{"title":"Sustainable remediation of abandoned coal mines using vermicompost: a case study in Ledo coal mine, India.","authors":"Krishna Das, Sajan Kumar Dansena, Suryateja Pottipati, Krishna Chaitanya Maturi, Ganesh Chandra Dhal, Ajay S Kalamdhad","doi":"10.1007/s10653-024-02355-y","DOIUrl":"10.1007/s10653-024-02355-y","url":null,"abstract":"<p><p>Coal mining in India, especially open-cast mining, substantially strengthens the economy while concurrently causing environmental deterioration, such as soil pollution with toxic chemicals and heavy metals. This study sought to examine the efficacy of vermicompost as a remediation technique for Mine Tailing Soil (MTS) in the Ledo Coal Fields. During a 120-day duration, different concentrations of vermicompost (20%, 30%, and 40%) were administered to MTS, and the impacts on soil physicochemical parameters, fertility, and plant growth were evaluated. The findings indicated substantial enhancements in soil fertility, encompassing increased nutrient availability, improved water retention, and diminished bulk density. Plant species, including Abelmoschus esculentus, Solanum lycopersicum, and Delonix regia, showed substantial growth when subjected to 20% and 30% vermicompost amendments, with the 30% treatment producing the most remarkable outcomes. Furthermore, Risk Assessment Code values for soils amended with 20%, 30%, and 40% vermicompost were markedly diminished, reducing the bioavailability and mobility of heavy metals. The data indicate that vermicompost is an efficient and sustainable method for remediating MTS, alleviating heavy metal contamination, and enhancing plant development, thus addressing the environmental hazards of coal mining.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"51"},"PeriodicalIF":3.2,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142982897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluating the bioavailability of rare earth elements in paddy soils and their uptake in rice grains for human health risk. 评价水稻土中稀土元素的生物利用度及其在稻米中的吸收对人类健康的风险。
IF 3.2 3区 环境科学与生态学
Environmental Geochemistry and Health Pub Date : 2025-01-13 DOI: 10.1007/s10653-025-02360-9
Zzu-Ying Huang, Chien-Hui Syu, Zeng-Yei Hseu
{"title":"Evaluating the bioavailability of rare earth elements in paddy soils and their uptake in rice grains for human health risk.","authors":"Zzu-Ying Huang, Chien-Hui Syu, Zeng-Yei Hseu","doi":"10.1007/s10653-025-02360-9","DOIUrl":"10.1007/s10653-025-02360-9","url":null,"abstract":"<p><p>Rare earth elements (REEs) are a critical global focus due to their increasing use, raising concerns about their environmental distribution and human exposure, both vital to food safety and human health. Surface soil (0-30 cm) and corresponding rice grain samples (n = 85) were collected from paddy fields in Taiwan. This study investigated the total REE contents in soil through aqua regia digestion, as well as their labile forms extracted using 0.05 M ethylenediaminetetraacetic acid (EDTA), 0.10 M hydrogen chloride (HCl), and 0.01 M calcium chloride (CaCl<sub>2</sub>). The REE concentrations in the rice grains (Oryza sativa L.) were also analyzed. The estimated daily intake (EDI) of REEs through rice consumption for males was 1.3 times higher than that for females. Children under 12 years of age, regardless of gender, had the highest EDI of REEs compared to other age groups. High rice consumption and a high proportion of children are potentially at higher risk for elevated REE exposure. The transport of REEs from soil to rice demonstrated their shift of fractionation by the lower ratio of light REEs and heavy REEs in rice grain compared to soil and their upper continental crust (UCC)-normalized patterns. Empirical equations were developed to estimate the concentrations of REEs in rice grains based on soil pH, clay content, organic carbon, cation exchange capacity, dithionite-citrate-bicarbonate extractable iron, and labile REEs. This study provides critical insights into the health risks of REEs, clarifying their human exposure and the bioavailability from paddy soil to rice.</p>","PeriodicalId":11759,"journal":{"name":"Environmental Geochemistry and Health","volume":"47 2","pages":"49"},"PeriodicalIF":3.2,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142978136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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