Article
Energy & Fuels
Yuan Bao, Dan Li, Yiwen Ju
Summary: The study found that different ranks of coal can be degraded by microorganisms to produce biomethane, with biomethane production being mainly influenced by maceral content. The generation processes of methane and carbon dioxide exhibit three-phase characteristics, and the carbon isotope composition of biodegraded coal is lighter than that of raw coal.
Review
Environmental Sciences
Sanchali Bose, P. Senthil Kumar, Dai-Viet N. Vo
Summary: The study emphasizes the importance of biodegradation in degrading CPF, pointing out the limitations of traditional degradation methods, and the need to simultaneously degrade both CPF and TCP. In addition, experiments confirm the potential of bioremediation in removing pesticide residues in wastewater treatment.
Article
Agriculture, Multidisciplinary
Paula Perez-Rodriguez, Anne-Desiree Schmitt, Sophie Gangloff, Jeremy Masbou, Gwenael Imfeld
Summary: The study found that leaching, dissipation, and degradation of pesticides in different types of soil mesocosms can be influenced by the planted or unplanted conditions, with planted mesocosms favoring pesticide degradation. Compound-specific stable isotope analysis showed that biodegradation of pesticides in soil-plant systems mainly occurred in the soil solution leached after rainfall events.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2021)
Review
Environmental Sciences
Yaohua Huang, Wenping Zhang, Shimei Pang, Junmin Chen, Pankaj Bhatt, Sandhya Mishra, Shaohua Chen
Summary: Chlorpyrifos is widely used as an insecticide, but its long-term and irregular applications have caused environmental pollution and toxic effects on non-target organisms. Microbial metabolism-based bioremediation is an effective strategy to remove chlorpyrifos residues.
ENVIRONMENTAL RESEARCH
(2021)
Article
Multidisciplinary Sciences
Xinyu Xia, Yongli Gao
Summary: The study suggests that the alkane gases in the Kidd Creek mines in Canada are microbial products in a Neoarchean ecosystem, created through the biodegradation of sediment organic matter by serpentinization-derived hydrogen gas. This process is supported by geochemical data on the Kidd Creek gas, indicating a biochemical process of greenhouse gas generation before the Great Oxidation Event.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Yapeng Zhang L, Ignas A. G. Snellen, Alexander J. Bohn, Paul Molliere, Christian Ginski, H. Jens Hoeijmakers, Matthew A. Kenworthy, Eric E. Mamajek, Tiffany Meshkat, Maddalena Reggiani, Frans Snik
Summary: Isotope abundance ratios play a crucial role in astronomy and planetary sciences, offering insights into various aspects such as the origin and evolution of the Solar System, interstellar chemistry, and stellar nucleosynthesis. Carbon isotope ratios in the Solar System are relatively constant, but can vary on a galactic scale. Observation of (CO)-C-13 in the atmosphere of a young accreting super-Jupiter suggests substantial enrichment in C-13, possibly acquired from ices enriched in C-13 through fractionation.
Article
Geochemistry & Geophysics
Xiangli Wang
Summary: The stable chromium (Cr) isotope system is increasingly being used as a redox proxy for studying the oxygenation history of Earth's ocean-atmosphere system, but understanding of Cr isotope fractionation in modern seawater is still limited. There is a linear relationship between the isotope composition and the logarithmic concentration of total dissolved Cr in the global ocean, but a significant proportion of data deviates from this global trend. Experimental results suggest that this deviation may be explained by parallel removal pathways with varying 'intrinsic' Cr isotope fractionation factors.
Article
Environmental Sciences
Yuting Zhou, Hongping He, Jin Wang, Juan Liu, Holger Lippold, Zhi'an Bao, Lulu Wang, Yuyang Lin, Fa Fang, Yeliang Huang, Yanjun Jiang, Tangfu Xiao, Wenhuan Yuan, Xudong Wei, Daniel C. W. Tsang
Summary: Thallium isotope analysis of industrial wastes in lead-zinc smelting processes shows significant variations in isotopic compositions, indicating isotopic fractionation occurs during smelting. Lighter thallium isotopes are enriched in the vapor phase, while heavier isotopes are adsorbed onto hematite. Thallium isotope analysis is proven to be a robust tool to aid understanding of thallium behavior in smelting processes.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Geochemistry & Geophysics
Wenhong Johnson Qiu, Mei-Fu Zhou, Xiaochun Li, Fang Huang, John Malpas
Summary: The study investigates the formation of sediment-hosted stratiform sulfide (SHSS) deposits using Fe, S, and C isotopes. It found that pyrite grains in laminated ores and black shales from the Devonian Dajiangping SHSS-type pyrite deposit in South China exhibit different isotopic compositions, with positive Fe isotopic values in black shales indicating gradual crystallization from sediment-derived iron and negative Fe isotopic values in laminated ores due to kinetic fractionation in hydrothermal plumes.
GEOCHIMICA ET COSMOCHIMICA ACTA
(2021)
Article
Biochemistry & Molecular Biology
Renee Z. Wang, Albert K. K. Liu, Douglas M. M. Banda, Woodward W. W. Fischer, Patrick M. M. Shih
Summary: A closely related sister clade of octameric rubiscos (Form I') has been recently discovered, which can assemble without small subunits (RbcS) unlike Form I rubisco. The KIE measurement indicates that the L-8 rubisco has a smaller kinetic isotope effect compared to Form I rubisco, suggesting that the small subunits may affect the enzyme's function. These findings provide new insights into the function of RbcS and the interpretation of environmental carbon isotope data.
Article
Environmental Sciences
Kanghyun Park, Chan Yeong Kim, Matthew F. Kirk, Gitak Chae, Man Jae Kwon
Summary: Geological carbon capture and storage (CCS) can reduce anthropogenic CO2 emissions. This study investigates the potential impacts of CO2 leakage on soils by examining the geochemistry and microbiology of a non-volcanic site where deep geogenic CO2 leaks from a cracked well casing. The study found that the high flux soils had lower pH and distinct microbial communities compared to low flux soils. These findings expand our understanding of the environmental impacts of geological CCS.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Nuohan Xu, Zhigao Zhou, Bingfeng Chen, Zhenyan Zhang, Jinfeng Zhang, Yan Li, Tao Lu, Liwei Sun, W. J. G. M. Peijnenburg, Haifeng Qian
Summary: This study investigated the impact of chlorpyrifos on the aquatic and zebrafish intestinal microbiomes. It found that chlorpyrifos treatment negatively affected the composition, structure, and stability of the aquatic microbial community, as well as its functional capacities. It also increased antibiotic resistance genes and the growth of human pathogens, while altering the metabolic capacity of the zebrafish.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Geochemistry & Geophysics
Xiangrui Chen, Mingxin Tao, Zheng Zhou, Greg Holland, Yunpeng Wang
Summary: Based on the analysis of data from eight microbial CBG and SG basins, it is found that isotopic equilibrium of CH4 and CO2 is achieved in deep and closed reservoirs. However, in shallow and open reservoirs, they are in disequilibrium. The CO2-HCO3 is mostly in disequilibrium in both types of reservoirs. Furthermore, it is proposed that CO2 dissolution significantly affects the abundance and isotopic compositions of gaseous CO2 in subsurface.
Article
Environmental Sciences
Heng Liu, Manli Wu, Xiqian Guo, Huan Gao, Yinrui Xu
Summary: This study investigated the isotope effects of delta C-13 and delta N-15 during biodegradation of hydrocarbons with biostimulation of nitrate or compost in petroleum-contaminated soil. The results showed that KNO3 supplementation had a significant carbon isotope effect and strong nitrogen isotope effect, while compost amendment had significant carbon and nitrogen isotope effects. The findings indicate that the mechanisms of petroleum degradation may vary when using compost or KNO3 as biostimulants.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Soil Science
Fernanda C. C. Oliveira, Gabriel W. D. Ferreira, Jennifer A. J. Dungait, Elias F. Araujo, Emanuelle M. B. Soares, Ivo R. Silva
Summary: This study indicates that retaining harvest residues and different nitrogen availability significantly affect soil organic matter pools and microbial community structure in short-rotation plantations, contributing to increased SOC concentrations and POM-C content.
SOIL & TILLAGE RESEARCH
(2021)
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)