Article
Environmental Sciences
Michael W. Duffel, Kristopher Tuttle, Hans-Joachim Lehmler, Larry W. Robertson
Summary: PCB sulfates bind reversibly with high affinity to human serum proteins, are taken up by cells and tissues, and may be hydrolyzed to more toxic OH-PCBs. Human hepatic microsomal sulfatase can catalyze the hydrolysis of PCB sulfates to OH-PCBs, potentially contributing to the retention and increased exposure time of OH-PCBs.
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
(2021)
Article
Engineering, Environmental
Xueshu Li, Marco M. Hefti, Rachel F. Marek, Keri C. Hornbuckle, Kai Wang, Hans-Joachim Lehmler
Summary: This study investigated the distribution of PCBs and OH-PCBs in the human brain, finding higher levels of PCBs in adult brains and significant contributions of lower chlorinated PCBs to neurotoxicity in some donors.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Environmental Sciences
Yanlin Li, Christian M. Bako, Panithi Saktrakulkla, Hans-Joachim Lehmler, Keri C. Hornbuckle, Jerald L. Schnoor
Summary: This study investigated the uptake, translocation, and metabolism of MeO-PCBs in poplar plants, as well as the relationship between methoxy-PCBs, hydroxyl-PCBs, and PCB sulfates. Results showed that hydroxylated metabolites and sulfate metabolites of MeO-PCBs were identified in the plant, indicating a complex interconversion process. The formation of PCB sulfates was found to be predominant over the reverse reaction, the formation of hydroxyPCBs, providing new insights into the fate of MeO-PCBs in plants.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Environmental
Na Liu, Fangjing Lin, Jie Chen, Zexi Shao, Xinru Zhang, Lizhong Zhu
Summary: In response to organic pollutants, rice plants activate defense systems including cytochrome P450s, glutathione S-transferases, and phenylpropanoid biosynthesis to reallocate metabolites and improve adaptability. This novel strategy enhances crop outputs and quality in environments impacted by organic contaminants.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Review
Engineering, Environmental
Auwalu Hassan, Fauziah S. Hamid, Agamuthu Pariatamby, Nurul Shamsinah M. Suhaimi, Noor Maiza binti M. Razali, Kimberly N. H. Ling, Priya Mohan
Summary: This review provides a detailed overview of bioremediation technologies for PCB-contaminated environments, discusses bioaugmentation approaches for treating contaminated soil, sediment, and wastewater, explores limitations and strategies to improve efficiency, gives an update on PCB biodegradation studies and mechanisms, and explores future research prospects based on the reviewed articles.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Environmental Sciences
Ruo-Yong Jia, Zhi-Peng Zhang, Guo-Qiang Qin, Wei Zhang, Kun Yang, Yong-Zhe Liu, Changtao Jiang, Zhong-Ze Fang
Summary: This study investigated the inhibitory effects of OH-PCBs on four human SULT isoforms, finding significant inhibitory capabilities of most tested OH-PCBs. Various techniques and methods were utilized to analyze the inhibition kinetics, determining inhibition parameters for several OH-PCBs. In silico docking simulation was used to further understand the inhibition capability of specific OH-PCBs towards SULT1A3.
ENVIRONMENTAL POLLUTION
(2021)
Article
Engineering, Environmental
Thomas Schettgen, Andre Esser, Anne Alt, Isabella Randerath, Thomas Kraus, Patrick Ziegler
Summary: This study investigated the internal exposure of employees in a German silicone rubber facility to decomposition products of 2,4-dichlorobenzoyl peroxide. The results showed a considerable uptake of these products in workers from all work areas, with individual levels depending on the work task. The presence of carcinogenic PCBs in the samples raises concerns for the workers' additional exposure to these substances.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Environmental Sciences
Marine Lemaitre, Pauline Frenoy, Thibault Fiolet, Caroline Besson, Francesca Romana Mancini
Summary: This study analyzed the relationship between dietary exposure to DL and NDL PCB and NHL risk, finding a positive association between DL PCB and Diffuse Large B Cell Lymphoma, and a negative association between NDL PCB and follicular lymphoma. However, these associations were no longer significant when fish and dairy product consumption was adjusted for.
ENVIRONMENTAL RESEARCH
(2021)
Article
Environmental Sciences
Shuang Wang, Jibing Li, Longfei Jiang, Shanquan Wang, Xuan Zhao, Yeliang Dai, Chunling Luo, Gan Zhang
Summary: The study applied stable-isotope probing to investigate the degradation of PCBs mediated by RD-AO, confirming the impact of the anaerobic stage on subsequent AO and its potential mechanism. Additionally, four lineages (Arenimonas, Steroidobacter, Sulfurifustis, and Thermoanaerobacterales) were identified as PCB degraders for the first time, suggesting the recruitment of novel bacteria involved in PCB aerobic degradation in the anaerobic-aerobic two-stage treatment.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Biochemistry & Molecular Biology
Wenyu Zhao, Na Cui, Yuan Huang, Zihao Wang, Peilong Wang, Haijun Liang, Ruiguo Wang, Xiaoou Su
Summary: The study developed an analytical method for detecting OH-PCBs in animal-derived food with low LOD and LOQ, high average recoveries, and low relative standard deviations.
Article
Multidisciplinary Sciences
Lorenzo Vergani, Francesca Mapelli, Magdalena Folkmanova, Jakub Papik, Jan Jansa, Ondrej Uhlik, Sara Borin
Summary: By studying the plant-microbe interactions in soils contaminated with polychlorinated biphenyls (PCBs), we found that activating indigenous microorganisms for PCB biodegradation is a viable remediation approach.
SCIENTIFIC REPORTS
(2022)
Article
Environmental Sciences
Ketil Isaksen, Julia Lutz, Atle Macdonald Sorensen, Oystein Godoy, Lara Ferrighi, Steinar Eastwood, Signe Aaboe
Summary: The cryosphere web portal maintained by MET Norway provides access to the latest operational data on sea ice, snow, and permafrost in Norway, the Arctic, and the Antarctic. The portal now includes operational permafrost monitoring and methods for visualizing real-time permafrost temperature data. The monitoring compares the latest permafrost temperatures to climatology and offers daily updated data for studying trends and the effects of climate events.
ENVIRONMENTAL RESEARCH LETTERS
(2022)
Article
Chemistry, Analytical
Cristian Suarez-Oubina, Ivan Alvarez-Freire, Pamela Cabarcos, Ana Maria Bermejo, Pilar Bermejo-Barrera, Antonio Moreda-Pineiro
Summary: The global market for new psychoactive substances (NPSs) is expanding, and the availability of drugs is increasing. Synthetic cannabinoids (SCRAs) are the largest group of NPSs and are often overlooked in illegal drug market control and toxicological-forensic analysis. Membrane-assisted solvent extraction (MASE) has been proposed as a method for extracting SCRAs from urine samples. The method was validated and found to be selective and sensitive, with low limits of quantification (LOQs).
ANALYTICAL METHODS
(2023)
Article
Environmental Sciences
Shayla D. Williams, Jo-Ann P. McCrary
Summary: Chemical fingerprinting was suggested as a method to identify habitat use by young bluefish, with distinct clustering of bluefish by sampling year. There was a consistent shift towards heavier chlorinated homologs as size increased, while pesticide accumulation patterns varied seasonally and interannually in the bluefish sampled from the Hudson River Estuary.
MARINE POLLUTION BULLETIN
(2021)
Article
Chemistry, Medicinal
Neha Paranjape, Laura E. Dean, Andres Martinez, Ronald B. Tjalkens, Hans-Joachim Lehmler, Jonathan A. Doorn
Summary: This study reveals the important role of astrocytes in PCB-mediated neurotoxicity, highlighting the toxicity of PCB52 and its metabolites in these glial cells. The findings emphasize the need for further research on the mechanisms of PCB exposure in astrocytes.
CHEMICAL RESEARCH IN TOXICOLOGY
(2023)
Article
Environmental Sciences
Ase-Karen Mortensen, Jonathan Verreault, Anthony Francois, Magali Houde, Maeva Giraudo, Maria Dam, Bjorn Munro Jenssen
Summary: The study investigated the associations between flame retardants (FRs) concentrations and changes in the hypothalamic-pituitary-thyroid (HPT) axis in northern fulmars, finding that PBDEs and other FRs were linked to alterations in thyroid status, affecting thyroid hormone levels and gene expression. The results suggested that exposure to moderate levels of FRs could lead to thyroid axis perturbation at the molecular/biochemical levels in seabird species in the North Atlantic.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Sofia Soloperto, Dag Altin, Anna Hallmann, Elise Skottene, Bjorn H. Hansen, Bjorn M. Jenssen, Tomasz M. Ciesielski
Summary: The copepod Calanus finmarchicus responds to deep-sea petroleum pollution mainly through lipid peroxidation, with significantly higher glutathione S-transferase activity and malondialdehyde concentrations in the exposed group compared to the control group.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Ecology
Peter R. Thompson, Andrew E. Derocher, Mark A. Edwards, Mark A. Lewis
Summary: Spatial memory in animals plays a crucial role in determining their movement patterns, which can be observed by ecologists. A model has been developed to understand how animals utilize memory in their environments, allowing for an increased understanding of animal cognition. The model shows potential in identifying specific mechanisms through which animals use memory to optimize their foraging strategies.
METHODS IN ECOLOGY AND EVOLUTION
(2022)
Review
Chemistry, Analytical
Hakon A. Langberg, Sarah E. Hale, Gijs D. Breedveld, Bjorn M. Jenssen, Morten Jartun
Summary: This study investigated the concentrations and fingerprints of PFAS in freshwater fish from different sources in Norway. The results showed that chemical fingerprinting can be used to identify the dominant exposure sources. Liver was found to be a better indicator than muscle for source tracking. Specific fingerprints associated with the use of AFFF, long-range atmospheric transport, and production of paper products were described in detail.
ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS
(2022)
Article
Ecology
Erin M. Henderson, Andrew E. Derocher
Summary: The study found that polar bears have a high utilization rate of the CBP, especially solitary adult females and subadult males. Bears were closest to the CBP during the spring season, and the CBP was ice-covered in winter. Bears primarily crossed from the coast towards pack ice at locations 53% narrower than areas not crossed, despite the width of the CBP.
Article
Environmental Sciences
Rasmus Dyrmose Norregaard, Lis Bach, Ole Geertz-Hansen, Jacob Nabe-Nielsen, Barbara Nowak, Khattapan Jantawongsri, Mai Dang, Jens Sondergaard, Pall S. Leifsson, Bjorn M. Jenssen, Tomasz M. Ciesielski, Augustine Arukwe, Christian Sonne
Summary: This study investigates the concentrations of rare earth elements (REE) in Arctic char and shorthorn sculpins from uncontaminated sites in Northwest Greenland, and examines the relationship between element concentrations and gill histology and serum biochemical parameters. Despite no element-induced effects, this study is considered an important baseline study for assessing the impacts of potential future REE mine sites in Greenland.
ENVIRONMENTAL RESEARCH
(2022)
Article
Biodiversity Conservation
Tom S. Smith, Andrew E. Derocher, Rachel L. Mazur, Geoff York, Megan A. Owen, Martyn Obbard, Evan S. Richardson, Steven C. Amstrup
Summary: Supplemental food provided by humans can cause conflicts with wildlife species, such as black bears and brown bears, resulting in property damage, human injuries, and bear mortality. The use of anthropogenic foods by polar bears, although historically less common, has become a growing conservation and management concern due to climate change-driven sea-ice losses and increased use of terrestrial habitats. Efforts to reduce food conditioning in polar bears are necessary to decrease conflicts and improve human safety.
Review
Environmental Sciences
Rune Dietz, Robert J. Letcher, Jon Aars, Magnus Andersen, Andrei Boltunov, Erik W. Born, Tomasz M. Ciesielski, Krishna Das, Sam Dastnai, Andrew E. Derocher, Jean-Pierre Desforges, Igor Eulaers, Steve Ferguson, Ingeborg G. Hallanger, Mads P. Heide-Jorgensen, Lars-Eric Heimburger-Boavida, Paul F. Hoekstra, Bjorn M. Jenssen, Stephen Gustav Kohler, Martin M. Larsen, Ulf Lindstrom, Anna Lippold, Adam Morris, Jacob Nabe-Nielsen, Nynne H. Nielsen, Elizabeth Peacock, Marianna Pinzone, Frank F. Riget, Aqqalu Rosing-Asvid, Heli Routti, Ursula Siebert, Garry Stenson, Gary Stern, Jakob Strand, Jens Sondergaard, Gabriele Treu, Gisli A. Vikingsson, Feiyue Wang, Jeffrey M. Welker, Oystein Wiig, Simon J. Wilson, Christian Sonne
Summary: This study assessed the risk of mercury exposure in Arctic mammal species and found that most populations have low health risks, but certain subpopulations are highly exposed and at risk. However, there are still knowledge gaps in the risk assessment of mercury exposure in Arctic mammals.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Ecology
Karyn D. D. Rode, Brian D. D. Taras, Craig A. A. Stricker, Todd C. C. Atwood, Nicole P. P. Boucher, George M. M. Durner, Andrew E. E. Derocher, Evan S. S. Richardson, Seth G. G. Cherry, Lori Quakenbush, Lara Horstmann, Jeffrey F. F. Bromaghin
Summary: Sea ice loss has a significant impact on the Arctic marine environment. This study examines the dietary adaptability of polar bears and finds that they switch prey to maintain their energy needs in response to changes in prey availability.
ECOLOGICAL APPLICATIONS
(2023)
Article
Ecology
Khattapan Jantawongsri, Rasmus Dyrmose Norregaard, Lis Bach, Rune Dietz, Christian Sonne, Kasper Jorgensen, Syverin Lierhagen, Tomasz Maciej Ciesielski, Bjorn Munro Jenssen, Courtney Alice Waugh, Ruth Eriksen, Barbara Nowak, Kelli Anderson
Summary: Old lead-zinc mining sites in Greenland have increased the concentration of lead in local marine organisms, including the shorthorn sculpin. This study investigated the effect of exposure to environmentally relevant waterborne lead on gene expression in shorthorn sculpins. The results suggest that lead exposure influences the expression of metallothionein and immune responses in shorthorn sculpins, and potential molecular markers have been identified.
Article
Ecology
Eivind Flittie Kleiven, Pedro Guilherme Nicolau, Sigrunn Holbek Sorbye, Jon Aars, Nigel Gilles Yoccoz, Rolf Anker Ims
Summary: Camera traps have become popular tools for studying animal populations, but less attention has been paid to small mammals such as rodents. This study investigates the accuracy of camera trap abundance indices for monitoring population dynamics in two species of voles. The results show that the design of camera trap studies should be adapted to the species in focus, and spatial replication is important for accurate abundance estimates.
REMOTE SENSING IN ECOLOGY AND CONSERVATION
(2023)
Article
Ecology
Erin N. Miller, Vicki Trim, Nicholas J. Lunn, David Mcgeachy, Andrew E. Derocher
Summary: Human-carnivore conflicts have been on the rise due to habitat disruption caused by development and climate change. This study focused on the autumn migratory movement of polar bears and explored the impact of biological factors, sea ice conditions, and management decisions. The findings suggest that conflict bears tend to migrate further north and bears released later in the migratory period are less likely to re-enter communities.
Article
Biodiversity Conservation
Benjamin Merkel, Jon Aars, Kristin L. Laidre, James W. Fox
Summary: This study assesses the potential of using light-level geolocation (GLS) tags, developed for birds and fish, to estimate life history metrics for polar bears. The results show that GLS is a powerful, low-cost method for polar bear population monitoring that can provide data on reproductive history, including age at first reproduction, and maternity denning location and phenology.
ANIMAL BIOTELEMETRY
(2023)
Article
Ecology
Stephen G. Hamilton, Erin M. Henderson, Andrew E. Derocher
Summary: Subsistence harvest in Arctic marine ecosystems is influenced by sea ice conditions, and our study found that polar bears in the Canadian Beaufort Sea are more likely to be detected in historical harvest areas than expected. The vulnerability to harvest was assessed based on telemetry data, and all classes of polar bears (except solitary adult females) were found to have a high proportion of locations in the risk areas. The decline of landfast ice in the study area may lead to polar bears becoming more concentrated in higher-risk areas.
Article
Biodiversity Conservation
Dag Vongraven, Andrew E. Derocher, Nicholas W. Pilfold, Nigel G. Yoccoz
Summary: Wildlife harvest, especially that of polar bears, remains a conservation concern. This study examines the temporal patterns in polar bear harvests from 1970 to 2018 and finds variation in harvest rates, sex ratios, and jurisdictions. Although some populations have shown improvements in management and sustainable harvest rates, concerns remain due to infrequent abundance estimates, new management objectives, and climate change.
FRONTIERS IN CONSERVATION SCIENCE
(2022)
Article
Environmental Sciences
Toshimi Nakajima, Mao Kuragano, Makoto Yamada, Ryo Sugimoto
Summary: This study compared the contribution of submarine groundwater discharge (SGD) to river nutrient budgets at nearshore and embayment scales, and found that SGD-derived nutrients become more important at larger spatial scales.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Fan Liu, Lei Zhang, Chongyang Zhang, Ziguang Chen, Jingguang Li
Summary: NO2 emissions from wall-mounted gas stoves used for household heating have become a significant source of indoor pollution in Chinese urban areas. The high indoor concentration of NO2 poses potential health risks to residents. It is urgently necessary to establish relevant regulations and implement emission reduction technologies to reduce NO2 emissions from wall-mounted gas stoves.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Letter
Environmental Sciences
Hans Peter H. Arp, Raoul Wolf, Sarah E. Hale, Sivani Baskaran, Juliane Gluege, Martin Scheringer, Xenia Trier, Ian T. Cousins, Harrie Timmer, Roberta Hofman-Caris, Anna Lennquist, Andre D. Bannink, Gerard J. Stroomberg, Rosa M. A. Sjerps, Rosa Montes, Rosario Rodil, Jose Benito Quintana, Daniel Zahn, Herve Gallard, Tobias Mohr, Ivo Schliebner, Michael Neumann
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Philomina Onyedikachi Peter, Binessi Edouard Ifon, Francois Nkinahamira, Kayode Hassan Lasisi, Jiangwei Li, Anyi Hu, Chang-Ping Yu
Summary: This study investigates the relationship between dissolved organic matter (DOM) and Rare Earth Elements (REEs) in sediments from Yundang Lagoon, China. The results show four distinct fluorescent components, with protein-like substances being the most prevalent. Additionally, the total fluorescence intensity and LREE concentrations exhibit a synchronized increase from Outer to Inner to Songbai Lake core sediments. The findings demonstrate a strong correlation between DOM content and pollution levels.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Surya Gupta, Pasquale Borrelli, Panos Panagos, Christine Alewell
Summary: The objective of this study is to incorporate soil hydraulic properties into the erodibility factor (K) of USLE-type models. By modifying and improving the existing equations for soil texture and permeability, the study successfully included information on saturated hydraulic conductivity (Ksat) into the calculation of K factor. Using the Random Forest machine learning algorithm, two independent K factor maps with different spatial resolutions were generated. The results show that the decrease in K factor values has a positive impact on the modeling of soil erosion rates.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jesmin Akter, Wendy J. M. Smith, Yawen Liu, Ilho Kim, Stuart L. Simpson, Phong Thai, Asja Korajkic, Warish Ahmed
Summary: The choice of workflow in wastewater surveillance has a significant impact on SARS-CoV-2 concentrations, while having minimal effects on HF183 and no effect on HAdV 40/41 concentrations. Certain components in the workflow can be interchangeable, but factors such as buffer type, chloroform, and homogenization speed can affect the recovery of viruses and bacteria.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yu Luo, Xueting Yang, Diwei Wang, Hongmei Xu, Hongai Zhang, Shasha Huang, Qiyuan Wang, Ningning Zhang, Junji Cao, Zhenxing Shen
Summary: Atmospheric PM2.5, which can generate reactive oxygen species (ROS), is associated with cardiorespiratory morbidity and mortality. The study found that both the mass concentration of PM2.5 and the DTT activity were higher during the heating season than during the nonheating season. Combustion sources were the primary contributors to DTT activity during the heating season, while secondary formation dominated during the nonheating season. The study also revealed that biomass burning had the highest inherent oxidation potential among all sources investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Erin L. Murphy, Leah R. Gerber, Chelsea M. Rochman, Beth Polidoro
Summary: Plastic pollution has devastating consequences for marine organisms. This study uses a trait-based framework to develop a vulnerability index for marine mammals, seabirds, and sea turtles in Hawai'i. The index ranks 63 study species based on their vulnerability to macroplastic pollution, providing valuable information for species monitoring and management priorities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Kenji Maurice, Amelia Bourceret, Sami Youssef, Stephane Boivin, Liam Laurent-Webb, Coraline Damasio, Hassan Boukcim, Marc-Andre Selosse, Marc Ducousso
Summary: Growing pressure from climate change and agricultural land use is destabilizing soil microbial community interactions. Little is known about microbial community resistance and adaptation to disturbances, hindering our understanding of recovery latency and implications for ecosystem functioning. This study found that anthropic disturbance and natural disturbance have different effects on the topology and stability of soil microbial networks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yunhao Li, Yali Feng, Haoran Li, Yisong Yao, Chenglong Xu, Jinrong Ju, Ruiyu Ma, Haoyu Wang, Shiwei Jiang
Summary: Deep-sea mining poses a serious threat to marine ecosystems and human health by disturbing sediment and transmitting metal ions through the food chain. This study developed a new regenerative adsorption material, OMN@SA, which effectively removes metal ions. The adsorption mechanism and performance of the material for metal ion fixation were investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Antonio Medici, Margherita Lavorgna, Marina Isidori, Chiara Russo, Elena Orlo, Giovanni Luongo, Giovanni Di Fabio, Armando Zarrelli
Summary: Valsartan, a widely used antihypertensive drug, has been detected in high concentrations in surface waters due to its unchanged excretion and incomplete degradation in wastewater treatment plants. This study investigated the degradation of valsartan and identified 14 degradation byproducts. The acute and chronic toxicity of these byproducts were evaluated in key organisms in the freshwater trophic chain.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jiang Lin, Lianbao Chi, Qing Yuan, Busu Li, Mingbao Feng
Summary: This study investigated the photodegradation behavior and product formation of two representative pharmaceuticals in simulated estuary water. The study found that the formed transformation products of these pharmaceuticals have potential toxicity on marine organisms, including oxidative stress and damage to cellular components.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Hua Fang, Dongdong Jiang, Ye He, Siyi Wu, Yuehong Li, Ziqi Zhang, Haoting Chen, Zixin Zheng, Yan Sun, Wenxiang Wang
Summary: This study revealed that exposure to lower levels of air pollutants led to decreased pregnancy rates, with PM10, NO2, SO2, and CO emerging as the four most prominent pollutants. Individuals aged 35 and above exhibited heightened susceptibility to pollutants.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Ali Shaan Manzoor Ghumman, Rashid Shamsuddin, Amin Abbasi, Mohaira Ahmad, Yoshiaki Yoshida, Abdul Sami, Hamad Almohamadi
Summary: In this study, inverse vulcanized polysulfides (IVP) were synthesized by reacting molten sulfur with 4-vinyl benzyl chloride, and then functionalized using N-methyl D-glucamine (NMDG). The functionalized IVP showed a high mercury adsorption capacity and a machine learning model was developed to predict the amount of mercury removed. Furthermore, the functionalized IVP can be regenerated and reused, providing a sustainable and cost-effective adsorbent.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Rita Bonfiglio, Renata Sisto, Stefano Casciardi, Valeria Palumbo, Maria Paola Scioli, Erica Giacobbi, Francesca Servadei, Gerry Melino, Alessandro Mauriello, Manuel Scimeca
Summary: This study investigated the presence of aluminum in human colon cancer samples and its potential association with biological processes involved in cancer progression. Aluminum was found in tumor areas of 24% of patients and was associated with epithelial to mesenchymal transition (EMT) and cell death. Additional analyses revealed higher tumor mutational burden and mutations in genes related to EMT and apoptosis in aluminum-positive colon cancers. Understanding the molecular mechanisms of aluminum toxicity may improve strategies for the management of colon cancer patients.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
