Environmental Geochemistry and Health This is an RSS file. You can use it to subscribe to this data in your favourite RSS reader or to display this data on your own website or blog.

Mechanistic insight into the adjuvant effect of co-exposure to ultrafine carbon black and high humidity on allergic asthma
This study aims to investigate the adjuvant effect of ultrafine carbon black (30 –50 nm) and high humidity (70% relative humidity) on the induction of allergic asthma. A mouse model of asthma was established using ovalbumin, and airway hyperresponsiveness, remodeling, and inflammation were measured as the endpoint effects of asthma. The mediating role of the oxidative stress p athway and the transient receptor potential vanilloid 1 pathway in asthma induction was validated using pathway inhibitors vitamin E and capsaicin, respectively. Co-exposure to ultrafine carbon black and high humidity had a significant impact on me...
Source: Environmental Geochemistry and Health - October 4, 2023 Category: Environmental Health Source Type: research

Characteristics and health risk assessment of indoor and outdoor PM2.5 in a rural village, in Northeast of China: impact of coal and biomass burning
In this study, characteristics of PM2.5 chemical composition and health risk assessment from Songyuan, China, were investigated during day and night in indoor and outdoor from February 4 to 19, 2021. Relative high concentrations of PM2.5 were obtained in indoor environment than outdoor, with 503.95  ± 209.62 μg/m3 during the day and 357.52  ± 232.81 μg/m3 at night for the indoor environment. Relatively high total carbon, organic carbons, elemental carbons, polycyclic aromatic hydrocarbons (PAHs), and oxygenated polycyclic aromatic hydrocarbons (OPAHs) were obtained in indoor environment. However, the average ...
Source: Environmental Geochemistry and Health - October 3, 2023 Category: Environmental Health Source Type: research

Assessment of heavy metal pollution and preschool children health risk in urban street dusts from different functional areas in a typical industrial and mining city, NW China
In conclusion, urban street dusts from industrial and mining area of Baiyin, NW China were found polluted by heavy metals and the pollution would pose an obvious non-carcinogenic risk to preschool children.Graphical abstract (Source: Environmental Geochemistry and Health)
Source: Environmental Geochemistry and Health - September 24, 2023 Category: Environmental Health Source Type: research

Indoor exposure to polycyclic aromatic hydrocarbons associated with solid fuel use in rural China
AbstractPolycyclic aromatic hydrocarbons (PAHs) are widespread environmental contaminants associated with various health risks including lung cancer. Indoor exposure to PAHs, particularly from the indoor burning of fuels, is significant; however, long-term large-scale assessments of indoor PAHs are hampered by high costs and time-consuming in field sampling and laboratory experiments. A simple fuel-based approach and statistical regression models were developed as a trial to predict indoor BaP, as a typical PAH, in China, and consequently spatiotemporal variations in indoor BaP and indoor exposure contributions were discus...
Source: Environmental Geochemistry and Health - September 22, 2023 Category: Environmental Health Source Type: research

The combined effects of exposure to multiple PM2.5 components on overweight and obesity in middle-aged and older adults: a nationwide cohort study from 125 cities in China
This study found a significantly positive association between five PM2.5 components and overweight/obesity. In the QgC model, there was still a positive association between multiple exposure to PM2.5 components and overweight when all PM2.5 components were considered as a whole. In addition, males, the elderly, and urban residents were also more sensitive to five PM2.5 components. (Source: Environmental Geochemistry and Health)
Source: Environmental Geochemistry and Health - September 19, 2023 Category: Environmental Health Source Type: research

Environment factors, DNA methylation, and cancer
AbstractToday, the rapid development of science and technology and the rapid change in economy and society are changing the way of life of human beings and affecting the natural, living, working, and internal environment on which human beings depend. At the same time, the global incidence of cancer has increased significantly yearly, and cancer has become the number one killer that threatens human health. Studies have shown that diet, living habits, residential environment, mental and psychological factors, intestinal flora, genetics, social factors, and viral and non-viral infections are closely related to human cancer. H...
Source: Environmental Geochemistry and Health - September 16, 2023 Category: Environmental Health Source Type: research

Relatively low fluoride in drinking water increases risk of knee osteoarthritis (KOA): a population-based cross-sectional study in China
In conclusion, excessive fluoride dose in drinking water could increase the risk of KOA. Especially, the population with aged <  60, male and obesity more likely to having KOA when they exposed to same higher fluoride. (Source: Environmental Geochemistry and Health)
Source: Environmental Geochemistry and Health - September 16, 2023 Category: Environmental Health Source Type: research

Identifying the hydrochemical features, driving factors, and associated human health risks of high-fluoride groundwater in a typical Yellow River floodplain, North China
This study collected 58 unconfined groundwater samples from Fengpei Plain in June 2022 for hydrochemical and stable isotope analyses combined with multiple methods to explore sources, influencing factors, and potential health hazards of groundwater F−. The results showed that groundwater F− concentration ranged from 0.08 to 8.14  mg/L, with an average of 1.91 mg/L; over 41.4% of them exceeded the acceptable level of 1.5 mg/L prescribed by the World Health Organization (WHO). The dominant hydrochemical facies changed from Ca·Mg-HCO3 and Ca ·Mg-SO4·Cl type in low-F– groundwater to Na-HCO3 and Na-SO4·Cl water typ...
Source: Environmental Geochemistry and Health - September 14, 2023 Category: Environmental Health Source Type: research

A comprehensive assessment to offer optimized remediation method for mercury contamination in Musa Bay by using hybrid Fuzzy AHP-VIKOR approach
AbstractMusa Bay, the largest wetland in Iran and one of the most important Hg-polluted media, plays a significant role in the ecosystem of the area and supports many forms of life. Mercury pollution has detrimental effects on the human body and at high levels leads to the loss of microorganisms in marine ecosystems. Hence, a comprehensive assessment for selecting an effective and sustainable remediation method is crucial to restoring the ecosystem promptly. The determination of a proper and practical treatment method not only is a case-based approach, but could be challenging due to its multi-criteria decision-making natu...
Source: Environmental Geochemistry and Health - September 13, 2023 Category: Environmental Health Source Type: research

Effects of mixed heavy metals on obstructive lung function: findings from epidemiological and toxicogenomic data
AbstractThe molecular mechanisms and associations of mixed heavy metals (lead, mercury, and cadmium) on obstructive lung function (OLF) in males and females remain unknown. Here, we evaluated the interaction between the forced expiratory volume in one second (FEV1)/forced vital capacity (FVC) ratio and three common heavy metals in males and females (n  = 6221). Molecular processes involved in OLF development caused by mixed heavy metals were also identified to corroborate the earlier findings. In both males and females, as well as across the entire population, we found that serum cadmium levels were inversely related t...
Source: Environmental Geochemistry and Health - September 12, 2023 Category: Environmental Health Source Type: research

Heavy metals contamination, receptor model-based sources identification, sources-specific ecological and health risks in road dust of a highly developed city
AbstractThe present study quantified Ni, Cu, Cr, Pb, Cd, As, Zn, and Fe levels in road dust collected from a variety of sites in Tangail, Bangladesh. The goal of this study was to use a matrix factorization model to identify the specific origin of these components and to evaluate the ecological and health hazards associated with each potential origin. The inductively coupled plasma mass spectrometry was used to determine the concentrations of Cu, Ni, Cr, Pb, As, Zn, Cd, and Fe. The average concentrations of these elements were found to be 30.77  ± 8.80, 25.17 ± 6.78, 39.49 ± 12.53, 28.74 ± 7.84, 1.90 ...
Source: Environmental Geochemistry and Health - September 8, 2023 Category: Environmental Health Source Type: research

Environmental impact and health risk assessment due to coal mining and utilization
(Source: Environmental Geochemistry and Health)
Source: Environmental Geochemistry and Health - September 7, 2023 Category: Environmental Health Source Type: research

Application of GIS and feedforward back-propagated ANN models for predicting the ecological and health risk of potentially toxic elements in soils in Northwestern Nigeria
AbstractPotentially toxic elements (PTEs) occur naturally in most geologic materials. However, recent anthropogenic disturbances such as ore mining have contributed significantly to their enrichment in soils. Their occurrence in soil may portend a myriad of related risks to the environment and biota. Most traditional soil quality evaluation methods involve comparing the background values of the elements to the established guideline values, which is often time-consuming and fraught with computational errors. As a result, to conduct a comprehensive and unbiased evaluation of soil quality and its effects on the ecosystem and ...
Source: Environmental Geochemistry and Health - September 4, 2023 Category: Environmental Health Source Type: research

Correction to: Influences of peanut hull-derived biochar, Trichoderma harzianum and  supplemental phosphorus on hairy vetch growth in Pb- and Zn-contaminated soil
(Source: Environmental Geochemistry and Health)
Source: Environmental Geochemistry and Health - September 4, 2023 Category: Environmental Health Source Type: research

Water quality characteristics and reuse potential using adsorption as a post-treatment option for a full-scale hydrocyclone, coagulation, flocculation, and dissolved air flotation system
This study established a full-scale hybrid water treatment system combining a hydrocyclone, coagulation, flocculation, and dissolved air flotation unit (HCFD) and evaluated its performance in treating anthropogenically impacted lake water. The HCFD system offered the stable and efficient treatment of fluctuating influent loadings, meeting most of the highest water reclamation quality criteria except for that of organic matter. Adsorption was subsequently examined as a post-treatment process for the HCFD effluent, which has not been examined in many previous studies. As the adsorbent for the post-treatment, pine bark, a loc...
Source: Environmental Geochemistry and Health - September 3, 2023 Category: Environmental Health Source Type: research