Article
Environmental Sciences
Da-Mao Xu, Rong-Bing Fu
Summary: This study evaluated the geochemical behaviors and potential environmental risks of heavy metals in smelter contaminated soil using mineral liberation analyzer (MLA) and complementary geochemical tests. The results showed that Cd, Cu, Mn, Pb, and Zn were more bioavailable, bioaccessible, and mobile among the studied metals. The study emphasized the importance of mineralogy analysis and geochemical approaches in understanding the contribution of smelting activities to soil pollution risks.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Environmental Sciences
Weiqin Xing, Linchong Fang, James A. Ippolito, Fengying Cai, Yali Wang, Yale Wang, Yongqiang Yang, Liping Li
Summary: The effect of commonly used heavy metal immobilizing agents on risks of soil heavy metals has complex impacts on the availability and bioaccessibility of heavy metals, as well as on the organ, tissue, and overall health risks to animals and humans.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Minwei Chai, Ruili Li, Yuan Gong, Xiaoxue Shen, Lingyun Yu
Summary: A systematic investigation was conducted on the bioaccessible heavy metals in shellfish from coastal cities in China, revealing potential health risks in most samples and the need for cautious consumption. However, shellfish samples from Qingdao and Shenzhen were found to be safe for both children and adults.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Shannon A. Plunkett, Chris S. Eckley, Todd P. Luxton, Mark G. Johnson
Summary: This study evaluated the effects of different types and treatments of biochar on the bioavailability of lead in soils with various sources of contamination. Results showed that adding biochar to upland soils can reduce the bioaccessibility of lead, while the redox status in wetland soils has a greater impact on lead bioaccessibility.
Article
Environmental Sciences
Di Zhang, Aifang Ding, Ting Li, Xiaoxia Wu, Yanju Liu, Ravi Naidu
Summary: The study found that the application of hydroxyapatite, bentonite, and biochar significantly increased the residual fraction of Cd and Pb in soil, reducing their mobility, bioavailability, and bioaccessibility. However, the immobilization efficiency of these three amendments decreased over time.
JOURNAL OF SOILS AND SEDIMENTS
(2021)
Article
Engineering, Environmental
Xiaoman Zheng, Zengyu Zhang, Jiancheng Chen, Huanting Liang, Xue Chen, Yan Qin, M. J. Shohag, Yanyan Wei, Minghua Gu
Summary: The study evaluated the As-RBA in ten commonly consumed leafy vegetables from As-polluted farmlands. The results showed that the As-RBA values ranged from 14.3% to 54.0% among different vegetables. Significant in vivo-in vitro correlations were observed between As-RBA and As bioaccessibility determined by the PBET assay, indicating PBET could better predict As-RBA in vegetables compared to other in vitro assays.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Environmental
Da-Mao Xu, Rong-Bing Fu
Summary: This study examined the metal bioaccessibility in size-fractionated zinc smelting slags and found significant differences in bioaccessible fractions of heavy metals but no statistical difference among different particle sizes. The bioaccessible metal fractions were mainly controlled by carbonate bound phases, and the solubility behaviors of toxic elements in the smelting slags were dominated by soluble metal-bearing mineral phases and absorbable Fe, Mn, and Al-rich minerals.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Environmental Sciences
A. Bourliva, E. Aidona, L. Papadopoulou, E. Ferreira da Silva, C. Patinha, C. Sarafidis, N. Kantiranis
Summary: This study evaluated the applicability of magnetic methods for monitoring pollution levels in public playgrounds by combining magnetic measurements, geochemical analyses, particle-based techniques, and bioaccessibility data. The study found high levels of magnetic components in playground sands, with dominant minerals being magnetite and/or maghemite. The correlation analysis between magnetic variables and metal(loid) contents identified χ(ARM) as a more effective indicator for detecting anthropogenic load in playground sand samples.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Multidisciplinary
Daniela Zingaretti, Renato Baciocchi
Summary: This study estimated the bioaccessible concentration of different inorganics in soil samples from a firing range using two in vitro tests and discussed various options for incorporating bioaccessibility in HHRA for cleanup goal estimation. Results showed that despite differences in reagents and procedures, the two methods yielded similar results, with SBET method providing slightly higher values. The role of soil particle size distribution in calculating cleanup goals considering bioaccessibility was also discussed.
APPLIED SCIENCES-BASEL
(2021)
Article
Engineering, Environmental
Nina Zupancic, Milos Miler, Ana Asler, Natalija Pompe, Simona Jarc
Summary: In Celje, Slovenia, children playing in sandboxes are at risk of poisoning due to toxic elements from zinc ore smelting and iron industry contamination. Some sandboxes contain sand from lead-zinc mine waste with higher than allowed levels of As, Ba, Cd, Pb and Zn. The study emphasizes the importance of combining health risk evaluation with bioaccessibility of elements in order to undertake remedial measures effectively.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Review
Environmental Sciences
Jennifer L. Griggs, David J. Thomas, Rebecca Fry, Karen D. Bradham
Summary: This review discusses the public health concern of widespread contamination of soil, dust, and food with toxic metal(loid)s, and the use of bioaccessibility tools in estimating oral exposure risk and bioavailability. The study evaluates the impact of various experimental methods and models on the bioaccessibility of metal(loid) contaminants, as well as identifies research needs focusing on standardization of assay techniques and methodology, and the assessment of model performance.
JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH-PART B-CRITICAL REVIEWS
(2021)
Article
Pharmacology & Pharmacy
Craig A. Poland, Noomi Lombaert, Carol Mackie, Alain Renard, Parikhit Sinha, Violaine Verougstraete, Nicky J. J. Lourens
Summary: The study found that cadmium chloride has higher bioaccessibility in simulated gastric fluid compared to cadmium telluride, leading to differences in cadmium accumulation in the liver and kidney. Cadmium telluride showed lower bioaccessibility, with feeding on doses not resulting in tissue cadmium levels above LLOQ, indicating minimal toxicity towards target organs.
Article
Biodiversity Conservation
Szymon Lucjan Rozanski, Jose Matias Penas Castejon, Donald G. McGahan
Summary: This study assessed the oral bioaccessibility and human health risk of metal(loid)s in potentially polluted urban topsoils, finding relatively low levels of pollution. However, soil pica behavior may lead to non-carcinogenic and carcinogenic risks, especially for children with lapses of adult supervision.
ECOLOGICAL INDICATORS
(2021)
Article
Food Science & Technology
Maria Laura Ortiz, Alicia Moreno-Ortega, Horacio Eduardo Trulls, Fernando Camara-Martos
Summary: The study found that cooking rice in different containers can affect the content and bioaccessibility of Cr, Ni, and Pb. Furthermore, there was a negative correlation between dietary fiber content and bioaccessible concentrations of Cr and Pb, indicating potential health risks associated with the consumption of rice.
JOURNAL OF CEREAL SCIENCE
(2021)
Article
Biochemistry & Molecular Biology
Tatiana G. G. Choleva, Charikleia Tziasiou, Vasiliki Gouma, Athanasios G. G. Vlessidis, Dimosthenis L. L. Giokas
Summary: This study determined the total content and bioaccessibility of seven metallic elements in common edible herbs using an in vitro human digestion model. The results showed that Fe, Zn, and Mg were released during gastric digestion but had reduced bioaccessibility in the gastrointestinal tract. On the other hand, Cu had higher bioaccessibility during gastrointestinal digestion. Pb, Ni, and Co exhibited similar bioaccessibility in both gastric and gastrointestinal fluids. The study highlights the importance of considering gastrointestinal bioaccessibility for evaluating the nutritional benefits of edible plant species.