Article
Multidisciplinary Sciences
Zhaoyu Mo, Jiongli Huang, Zhiming Chen, Bin Zhou, Kaixian Zhu, Huilin Liu, Yijun Mu, Dabiao Zhang, Shanshan Wang
Summary: This study analyzed the atmospheric PM2.5 pollution during the COVID-19 lockdown in Nanning, China, identifying biomass burning and secondary inorganic sources as major contributors in different pollution stages. The study emphasized the importance of understanding the role of biomass burning, secondary inorganic sources, and meteorology in air pollution formation, and recommended emission control strategies.
SCIENTIFIC REPORTS
(2021)
Article
Environmental Sciences
Ishaq Dimeji Sulaymon, Yuanxun Zhang, Philip K. Hopke, Jianlin Hu, Yang Zhang, Lin Li, Xiaodong Mei, Kangjia Gong, Zhihao Shi, Bin Zhao, Fangxin Zhao
Summary: Despite reduced emissions from non-essential activities during the lockdown period in China, the Beijing-Tianjin-Hebei region still experienced high air pollution concentrations due to unfavorable meteorological conditions. Effective air pollution control strategies are urgently needed in this region to combat severe pollution.
ENVIRONMENTAL RESEARCH
(2021)
Article
Meteorology & Atmospheric Sciences
Weiyang Hu, Tianliang Zhao, Yongqing Bai, Shaofei Kong, Lijuan Shen, Jie Xiong, Yue Zhou, Yao Gu, Junnan Shi, Huang Zheng, Xiaoyun Sun, Kai Meng
Summary: This study reveals the significant regulation of large-scale synoptic circulation on regional PM2.5 transport for heavy air pollution in central China. The observations and simulations identify the transport pathways and circulation patterns governing the transport of PM2.5 from upwind areas to the receptor region.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2022)
Article
Environmental Sciences
Lijuan Shen, Tianliang Zhao, Jane Liu, Honglei Wang, Yongqing Bai, Shaofei Kong, Zhuozhi Shu
Summary: This study investigates the regional transport patterns of air pollutants from Central and Eastern China (CEC) to the Twain-Hu Basin (THB) driven by strong cold airflows. The study identifies that most heavy pollution events (66.7%) converge in the downwind THB receptor region through dominant downward airflow, resulting in long durations of high PM2.5 concentrations. Non-dominant transport patterns contribute to the highest and shortest PM2.5 peaks.
ATMOSPHERIC ENVIRONMENT
(2022)
Article
Meteorology & Atmospheric Sciences
Ishaq Dimeji Sulaymon, Yuanxun Zhang, Philip K. Hopke, Song Guo, Fei Ye, Jinjin Sun, Yanhong Zhu, Jianlin Hu
Summary: The nationwide lockdown implemented by the Chinese authorities was a major tool in controlling the spread of the COVID-19 pandemic in China. It also resulted in significant reductions in anthropogenic emissions and PM2.5 concentrations. However, the lockdown measures did not prevent high PM2.5 pollution episodes.
ATMOSPHERIC RESEARCH
(2023)
Article
Meteorology & Atmospheric Sciences
Sherin Hassan Bran, Ronald Macatangay, Vanisa Surapipith, Chakrit Chotamonsak, Somporn Chantara, Zhiwei Han, Jiawei Li
Summary: Biomass burning emissions in Thailand contribute significantly to air pollution and have adverse effects on health. This study investigated the spatial and temporal distribution of PM2.5 using different aerosol chemistry schemes and examined the impact of PM2.5 on meteorology. The study found that the simulated PM2.5 concentrations generally captured the observed variations, but underestimated the magnitude. It also identified uncertainties in emission inventories and model representation as factors contributing to the discrepancy. Furthermore, the study observed significant changes in meteorological parameters in regions with high aerosol mass concentrations, highlighting the influence of aerosols on weather.
ATMOSPHERIC RESEARCH
(2022)
Article
Environmental Sciences
Xin Zhang, Chengduo Yuan, Zibo Zhuang
Summary: The study shows that aerosols interact with meteorological variables, affecting particulate matter and ozone concentrations in China. Aerosol-radiation interactions reduce air temperature and wind speed while increasing humidity, leading to a rise in PM2.5 and a decline in ozone concentrations. Aerosol-cloud interactions contribute to a positive feedback on PM2.5 concentration in some city clusters.
Article
Meteorology & Atmospheric Sciences
Jing He, Yi Gao, Liren Xu, Yunfei Wu, Renjian Zhang, Meigen Zhang
Summary: This study investigates the effects of aerosol-meteorology feedback on the effectiveness of emission reduction for PM2.5 during a severe winter haze event in the Northern China Plain in 2016. The results show that the feedback can enhance the efficiency of emission reduction, especially in more polluted areas, where emission reduction can decrease near-surface PM2.5 concentration and improve meteorological conditions. This study provides reference for air pollution control strategies.
ATMOSPHERIC RESEARCH
(2023)
Article
Environmental Sciences
Liuzhu Chen, Feiyue Mao, Jia Hong, Lin Zang, Jiangping Chen, Yi Zhang, Yuan Gan, Wei Gong, Houyou Xu
Summary: This study improved PM2.5 predictions by assimilating multi-source PM2.5 data from satellite and ground observations and adjusting emissions, showing the effectiveness of these methods during the COVID-19 epidemic.
ENVIRONMENTAL POLLUTION
(2022)
Article
Meteorology & Atmospheric Sciences
Jiaxin Qiu, Chunsheng Fang, Naixu Tian, Haofan Wang, Ju Wang
Summary: In this study, the impact of land use and land cover changes on meteorology and fine particulate matter (PM2.5) concentrations in Changchun was assessed using the WRF-CMAQ model. The results showed that changes in land use and land cover significantly influenced meteorological factors and the spatial distribution of air pollutants. Furthermore, PM2.5 concentrations decreased in the urban expansion area but increased in the surrounding areas.
ATMOSPHERIC RESEARCH
(2023)
Article
Environmental Sciences
Min Shao, Xiaoying Xu, Yutong Lu, Qili Dai
Summary: This study systematically investigates the impacts of temperature inversion (TI) on surface PM2.5 concentrations in different topographies in eastern China. Different types of TIs show distinct seasonal and spatial patterns, and both surface-based and elevated TIs have significant effects on PM2.5 concentrations. These findings are important for understanding the formation of PM2.5 pollution.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Engineering, Environmental
Lei Chen, Hong Liao, Ke Li, Jia Zhu, Ziyu Long, Xu Yue, Yang Yang, Meigen Zhang
Summary: Using an improved process-level quantification method, researchers conducted a quantitative analysis on the contribution of each physical/chemical process to PM2.5 changes before and during the COVID-19 lockdown. They identified a dominant process responsible for the inverse PM2.5 changes over the southern and northern North China Plain.
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
(2023)
Article
Environmental Sciences
I. Gutierrez-Alvarez, J. L. Guerrero, J. E. Martin, J. A. Adame, A. Vargas, J. P. Bolivar
Summary: Two radon measurement stations located north and south of a NORM repository in Southwest Europe were used to monitor radon behavior in 2018. The study found higher average concentrations in Huelva City compared to other coastal stations in southern Spain, with an average concentration of around 3.3 Bq m(-3).
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Amit Sharma, Ana Carla Fernandez Valdes, Yunha Lee
Summary: This study investigates the impact of wildfires on meteorology and air quality over the western United States in September 2017. The results show that wildfires can lead to reductions in surface radiation and temperature, as well as changes in cloud optical depth. Additionally, wildfires can cause increases in PM2.5 concentrations and ozone mixing ratios.
Article
Environmental Sciences
Guangqiang Zhou, Zhongqi Yu, Yuanhao Qu
Summary: The study found that local emissions have a significant impact on PM2.5 concentration in the Yangtze River Delta region, while mutual inner-regional transport among provinces also plays a role. Controlling local emissions and reducing inter-provincial transport can effectively reduce the rate of PM2.5 pollution.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Environmental Sciences
Weiyang Hu, Yu Zhao, Tianliang Zhao, Yongqing Bai, Chun Zhao, Shaofei Kong, Lei Chen, Qiuyan Du, Huang Zheng, Wen Lu, Weichen Liu, Xiaoyun Sun
Summary: Heavy aerosol pollution has been frequent in China during winter in recent years. This study analyzed the contributions of different physical and chemical processes to PM2.5 variation in the Twain-Hu Basin (THB) in central China. The findings highlighted the importance of regional transport of gas precursors and basin terrain in the chemical production of aerosols, and emphasized the need for regional joint controls of emissions for air quality improvement.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Environmental Sciences
Zhiyong Li, Jixiang Liu, Zhen Zhai, Chen Liu, Zhuangzhuang Ren, Ziyuan Yue, Dingyuan Yang, Yao Hu, Huang Zheng, Shaofei Kong
Summary: This study investigates the impacts of PM2.5 constituents and sources during the heating and pre-heating periods in a small city in North China. The results indicate that the Clean Heating policy is more effective in urban areas, while natural gas combustion leads to increased nitrogen oxide emissions. The usage of biomass and coal contributes to higher PM2.5 concentrations in suburban areas. Banning coal and implementing emission control measures reduce heavy metal concentrations and health risks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Pei Zhou, Yang Wang, Jane Liu, Linglin Xu, Xiang Chen, Likun Zhang
Summary: This study investigated the difference between global and regional aerosol models and their impact on satellite AOD retrieval. It found that aerosols can be classified into five types with different optical and physical parameters. The regional aerosol model performed better than the global model in simulating air pollution events and AOD.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Environmental Sciences
Huang Zheng, Shaofei Kong, Yuan He, Congbo Song, Yi Cheng, Liquan Yao, Nan Chen, Bo Zhu
Summary: The summer of 2022 in China witnessed record-breaking high temperatures, resulting in increased surface ozone (O3) levels. The increase in O3 was primarily attributed to changes in emissions in the Pearl River Delta (PRD), Beijing-Tianjin-Hebei (BTH), and Twain-Hu Basin (THB), while variations in meteorology played a significant role in the Sichuan Basin (SCB), Yangtze River Delta (YRD), and Fen-Wei Plain (FWP). The study highlights the importance of continuous reduction in O3 precursor emissions to mitigate O3 pollution in the context of global warming.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Meteorology & Atmospheric Sciences
Xugeng Cheng, Jane Liu, Tianliang Zhao, Xiaoning Xie, Zhixiong Chen, Zhengguo Shi, Xinzhou Li, Hong Wang, Mengmiao Yang, Nanjun Tang
Summary: This study investigates the influence of the Tibetan Plateau on wintertime fine particulate matter (PM2.5) concentrations downwind and the underlying mechanisms. The results show that the removal of the Tibetan Plateau would lead to a decrease in PM2.5 concentrations in the Sichuan basin and the North China Plain, but an increase in eastern China. The study highlights the significant impacts of the Tibetan Plateau on air quality downwind.
JOURNAL OF CLIMATE
(2023)
Article
Environmental Sciences
Huimin Chen, Bingliang Zhuang, Jane Liu, Yinan Zhou, Yaxin Hu, Yang Chen, Yiman Gao, Wen Wei, Huijuan Lin, Shu Li, Tijian Wang, Min Xie, Mengmeng Li
Summary: Absorbing aerosols significantly influence tropospheric photochemistry and regional climate change. A quantification of the direct radiative effects of absorbing aerosols at major AERONET sites in East Asia and their impacts on near-surface photochemical processes was conducted using a radiation transfer model. The annual average aerosol optical depth (AOD) of sites in China, Korea, and Japan was 1.15, 1.02, and 0.94, respectively, with absorbing aerosol optical depth (AAOD) proportions of 8.61%, 6.69%, and 6.49%, respectively. The influence of absorbing aerosol on ultraviolet (UV) radiation was mainly observed in the UV-A band (315-400 nm). The reduction in annual mean near-surface J[NO2] (J[(OD)-D-1]) due to absorbing aerosols was 16.95% (22.42%), 9.61% (13.55%), and 9.63% (13.79%) for China, Korea, and Japan, respectively. In the Beijing-Tianjin-Hebei (BTH) and Yangtze River Delta (YRD) regions, the annual average AOD was 1.48 and 1.29, and the AAOD was 0.14 and 0.13, respectively. The solar radiative forcing caused by black carbon (BC)-dominated aerosols on the surface was -3.19 and -2.98 W m(-2) for BTH and YRD, accounting for around 40% of the total aerosol radiative forcing. The reduction efficiency of BC-dominated aerosols on solar radiation was higher than that of other types of aerosols. The annual mean J[NO2] (J[(OD)-D-1]) decreased by 14.90% (20.53%) and 13.71% (18.20%) due to BC-dominated aerosols. The daily maximum photolysis rate usually occurred near noon due to the diurnal variation of solar zenith angle, resulting in a daily average photolysis rate decrease of 2-3% during 10:00-14:00.
Article
Environmental Sciences
Jihua Pan, Jane Liu, Mengmiao Yang, Rong Wang
Summary: Carbon-water (C-W) relationships vary across different time scales, vegetation types, and regions. This study investigated the C-W relationships in two subtropical forests in China during summer and found that daily water use efficiency (WUE) differed between the two forests, while the correlation coefficient (r) of hourly C-W coupling was similar. Both WUE and r were influenced by meteorological conditions, with vapor pressure deficit (VPD) playing a significant role.
Article
Environmental Sciences
Yan Zhu, Yongqing Bai, Jie Xiong, Tianliang Zhao, Jiaping Xu, Yue Zhou, Kai Meng, Chengzhen Meng, Xiaoyun Sun, Weiyang Hu
Summary: This study investigates the influence of a dense water network formed by rivers and lakes on the atmospheric environment in the Twain-Hu Basin (THB) in central China. The results demonstrate that the lake groups have a positive purification effect on air pollution, emphasizing the importance of protecting inland rivers and lakes in regional environmental governance.
Article
Agronomy
Mengmiao Yang, Jane Liu, Yong Wang, Jing M. Chen, Zeyu Cui, Zhanjie Zhang, Zhixiong Chen, Xugeng Cheng
Summary: Rainfall variations on a diurnal scale have significant impacts on ecosystem evapotranspiration and gross primary productivity. More daytime rainfall, especially occurring around noon, leads to decreased daily total evapotranspiration and gross primary productivity, while more unevenly distributed rainfall away from noon results in increased daily total evapotranspiration and gross primary productivity. Consideration of diurnal rainfall variations in observations and models is crucial for improving our understanding of atmosphere-biosphere interactions.
AGRICULTURAL AND FOREST METEOROLOGY
(2023)
Article
Environmental Sciences
Shuning Jiang, Shaofei Kong, Huang Zheng, Jian Wu, Liquan Yao, Nan Chen, Bo Zhu, Tianliang Zhao, Yongqing Bai, Dantong Liu, Shihua Qi
Summary: This study investigates the additional impact of emission-reduction measures in North China during autumn and winter on the air quality of downwind regions. Through analysis of air pollutants and PM2.5 composition and sources in a megacity of Central China, it was found that emission-related PM2.5 and organic materials exhibited significant increases in 2019 compared to 2018. The study emphasizes the importance of joint air pollution control measures across different regions.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Environmental Sciences
Yang Ding, Shihua Qi, Huanfang Huang, Yuan Zhang, Huang Zheng, Yun Qin, Qian Bao, Wei Chen, Chengkai Qu
Summary: Lake sediments on the Tibetan Plateau reveal the impact of climate change and pollution emissions, with less influence from westerly air mass flow compared to the monsoon.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Yongxian Su, Chaoqun Zhang, Philippe Ciais, Zhenzhong Zeng, Alessandro Cescatti, Jiali Shang, Jing Ming Chen, Jane Liu, Ying-Ping Wang, Wenping Yuan, Shushi Peng, Xuhui Lee, Zaichun Zhu, Lei Fan, Xiaoping Liu, Liyang Liu, Raffaele Lafortezza, Yan Li, Jiashun Ren, Xueqin Yang, Xiuzhi Chen
Summary: Changes in tree cover can affect surface temperatures due to asymmetric direct biophysical effects. The cooling effect of tree cover gain is greater in magnitude than the warming effect of tree cover loss in most forests. Neglecting this asymmetric temperature effect of fine-scale tree cover change ignores the fact that biophysical feedbacks continue to cause surface temperature changes even under net-zero tree cover changes. Thus, it is necessary to account for gross, rather than net, tree cover changes when quantifying the biophysical effects of forests.
NATURE CLIMATE CHANGE
(2023)
Article
Meteorology & Atmospheric Sciences
Xiaokang Chen, Min Wang, Tai-Long He, Zhe Jiang, Yuqiang Zhang, Li Zhou, Jane Liu, Hong Liao, Helen Worden, Dylan Jones, Dongyang Chen, Qinwen Tan, Yanan Shen
Summary: Urban air pollution continues to pose a significant health threat, despite regulations to control emissions. Comparative analysis of ozone responses to nitrogen oxide changes in China and the US reveals that data-based methods can accurately simulate urban air quality, with variations in O-3 responses across different regions.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2023)
Article
Environmental Sciences
Danyang Ma, Tijian Wang, Hao Wu, Yawei Qu, Jian Liu, Jane Liu, Shu Li, Bingliang Zhuang, Mengmeng Li, Min Xie
Summary: Despite the implementation of the Clean Air Action Plan, increasing surface ozone (O-3) concentrations remain a significant environmental concern in China. This study used an improved regional climate-chemistry-ecology model to investigate the impact of anthropogenic emissions, meteorological factors, and CO2 changes on O-3 levels in China from 2008 to 2018. The results showed that anthropogenic emissions were the primary contributor to O-3 increase, but meteorological conditions and CO2 changes also played important roles.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2023)
Article
Environmental Sciences
Guoqiang Xu, Shizuo Fu, Jane Liu, Rong Shang, Yuanyuan Luo
Summary: This study investigates the effects of mountainous terrains on shallow convective clouds (SCCs) using Landsat-8 satellite data. The cloud size distributions (CSDs) are found to be described by double power laws controlled by two parameters. The number and size of clouds increase with elevation.
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)
