Article
Engineering, Environmental
Hui Gao, Fuqiang Zhao, Ruijing Li, Shuaichen Jin, Haibo Zhang, Keyu Zhang, Shisheng Li, Qin Shu, Guangshui Na
Summary: This study investigated the occurrence and distribution of antibiotics and antibiotic resistance genes (ARGs) in surface water environment, focusing on the Liaohe River Basin in China. The results showed the presence of multiple antibiotics and ARGs in the water, indicating pollution and spread of antibiotic resistance in the aquatic ecosystem. The pollution level of antibiotics and ARGs was higher in the Daliao River system compared to the Liaohe River system. Multidrug and aminoglycoside were the dominant types of ARGs, and mobile genetic elements (MGEs) played an important role in the occurrence and evolution of ARGs in water.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Environmental Sciences
Mengqi Jing, Fei Song, Kexin Meng, Fangli Su, Chao Wei
Summary: As a mainstream method for optimizing landscape patterns, ecological networks are of great importance in maintaining ecosystem stability, enhancing landscape connectivity, and promoting sustainable development. In this study, a comprehensive evaluation system for ecological patches was constructed using landscape connectivity index and morphological spatial pattern analysis. Based on the habitat characteristics, an ecological cumulative resistance surface was constructed to extract ecological corridors and nodes using the minimum cumulative resistance model. The ecological network in the main river basin of Liao River was evaluated using network analysis, and the importance of ecological corridors was determined using the gravity model. The results showed that the ecological network consisted of 20 ecological sources, 108 ecological corridors, and 72 ecological nodes, with a dense distribution in the east and sparse distribution in the west. Cropland and woodland were the main landscape components. The optimization of landscape patterns should prioritize the restoration of primary ecological sources and corridors, followed by the ecological construction of secondary and tertiary sources and corridors, habitat remodeling through engineering technology, and the use of the patch-corridor-substrate model to improve landscape connectivity and ecosystem stability. The construction of the ecological network in the main river basin of Liao River is of great importance for regional ecological security, biodiversity conservation, and promoting sustainable development.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Mengqi Jing, Fei Song, Kexin Meng, Fangli Su, Chao Wei
Summary: As a main method of landscape pattern optimization, ecological network plays a crucial role in maintaining ecosystem stability, improving landscape connectivity, and promoting sustainable development. This study constructs a comprehensive evaluation system of ecological patches and extracts ecological sources in the main river basin of Liao River. By using the minimum cumulative resistance model, ecological corridors and nodes are extracted, and the ecological network is evaluated using network analysis method. The importance level of ecological corridors is divided by the gravity model, and optimization suggestions for landscape pattern based on the ecological network are proposed.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Miaowei Ci, Guodong Zhang, Xianshou Yan, Wenping Dong, Wenfeng Xu, Weiliang Wang, Yuqi Fan
Summary: The study investigated antibiotic pollution in the Xiaoqing River basin, finding high risks posed by antibiotics such as ofloxacin and spatial-temporal distribution differences. The contribution rate of sewage treatment plants was high, with approximately 972.31 kg of antibiotics discharged into Bohai Bay in 2017, potentially threatening the marine ecosystem.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Qingwei Bu, Hongmei Cao, Qingshan Li, Handan Zhang, Weiwei Jiang, Gang Yu
Summary: This study aimed to identify antibiotics with potential risk in river water of Beijing, China, using a tiered approach combining hazard and monitoring-based risk assessment. Among the hazardous antibiotics identified, erythromycylamine, cefotaxime, and ampicillin were found to pose different levels of risk to aquatic organisms. The results highlight the importance of conducting monitoring-based verification process in identifying priority antibiotics in a specific region.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Jingqiu Jiang, Gaofeng Zhao, Yiping Xu, Jian Zhao, Lin Liu, Chengyou Liu, Dewang Wang, Yunpeng Li
Summary: This study compared heavy metal pollution in surface water from 82 estuarine locations along the Yongding River basin and found that most measured concentrations were below WHO guidelines. The study identified the main sources of heavy metals as anthropogenic discharge and geogenic sources.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Environmental Sciences
Qi Wu, Chang-Gui Pan, Ying-Hui Wang, Shao-Ke Xiao, Ke-Fu Yu
Summary: This study investigated the occurrence, bioaccumulation, and trophic magnification of 22 antibiotics in a subtropical food web from the Beibu Gulf. The research found distinct differences in antibiotic concentrations and types among marine taxa, with some chemicals showing trophic magnification through the food web. Additionally, the study highlighted the potential bioaccumulation of antibiotics in marine organisms based on their log D-ow values.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Jinpeng Tang, Jinhua Zhang, Linhui Su, Yanyan Jia, Yang Yang
Summary: This study investigated the concentrations and abundance of 11 antibiotics in water, sediment, and various aquatic organisms in the Pearl River, South China. The results showed that the bioaccumulation of antibiotics was positively correlated with their ionized form. Sediment ingestion was found to be a potential route of antibiotic exposure, as indicated by higher bioaccumulation in benthic organisms compared to fish. Additionally, only ciprofloxacin exhibited significant trophic magnification, suggesting the importance of metabolic biotransformation in driving the biomagnification of antibiotics.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Wang Xu, Shibo Li, Weimin Wang, Ping Sun, Chunyang Yin, Xuxia Li, Liang Yu, Gang Ren, Lin Peng, Fei Wang
Summary: This study investigated the concentrations of PFASs in water, sediment, and fish in the Dongjiang River Basin in southern China. The results showed that PFASs were present in all samples, with higher bioaccumulation of long-chain PFASs. The study also found that the PFAS concentrations were higher in the lower reaches of the Dongjiang River compared to the upper and middle reaches.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Anthropology
Jiangyong Wang, Linan Sun, Qi Fang, Jiaxin Fu, Baojian Liu, Ying Liu, Xiangmei Kong, Honghao Niu, Guizai Gao, Meng Meng, Dongmei Jie
Summary: The study of the Changshan site reveals two flourishing periods of prehistoric culture around 6,500-5,600 cal years BP and 3,700-2,750 cal years BP, supported by direct evidence of prehistoric agriculture through the discovery of phytoliths. The research also suggests that prehistoric agriculture, hunting, and fishing were practiced concurrently as part of a multi-subsistence strategy, influenced by the warm and wet climate conditions during those time periods.
ARCHAEOLOGICAL AND ANTHROPOLOGICAL SCIENCES
(2021)
Article
Environmental Sciences
Linfang Wang, Hua Li, Jinhua Dang, Hong Guo, Yu'en Zhu, Wenhui Han
Summary: This study investigated 26 antibiotics of five classifications in surface water and sediment samples at 23 sites in Fenhe River. The results revealed significant variations in antibiotic concentrations within the river basin, and their distribution was found to be influenced by sediment pH and particle size.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Chunmeng Ye, Jiaqi Shi, Xuesheng Zhang, Li Qin, Zhongguan Jiang, Jinhua Wang, Yucheng Li, Bingxiang Liu
Summary: The study analyzed contamination of sulfonamides in water, sediments, and fish in the Hangbu-Fengle River in China, finding different concentrations of these substances with bioaccumulation in fish, but no significant health threats to organisms.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Shuguang Liu, Xin Li, Sha Lou, Qiuhong Xu, Yuchen Jin, Radnaeva Larisa Dorzhievna, Nikitina Elena, Makhinov Aleksei Nikolavich, Araruna Jose Tavares, Fedorova Irina Viktorovna
Summary: In this study, solid-phase extraction and ultra-performance liquid chromatography triple quadrupole mass spectrometry (LC-MS/MS) were used to analyze the presence of 10 antibiotics in the coastal waters and sediments of the Yangtze River Estuary. The results showed that 7 antibiotics were detected in the water and 8 antibiotics were detected in the sediment. The concentrations of antibiotics varied seasonally and spatially, and were found to have a positive relationship with microbial communities.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Guangshui Na, Keyu Zhang, Hui Gao, Ruijing Li, Shuaichen Jin, Fuqiang Zhao, Haibo Zhang, Shisheng Li
Summary: Antibiotic resistance genes (ARGs) are considered emerging pollutants related to human activities, with urbanization exacerbating global health risks. Urban and rural environments have diverse effects on the source and distribution of ARGs. The study found higher abundance and diversity of ARGs and mobile genetic elements in urban river sediments, with mobile genetic elements being significantly correlated with ARGs abundance and diversity.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Juan-Ying Li, Ju Wen, Yiqin Chen, Qian Wang, Jie Yin
Summary: The study assessed the occurrence of antibiotics in cultured freshwater products in Eastern China, finding that antibiotic levels were lower than in other studies with limited adverse effects on human health, though fluoroquinolone antibiotics posed potential risks. Bioaccumulation potential varied in different years, with generally low bioavailability from surface sediments in pond environments.
Article
Environmental Sciences
Haijian Lu, Wenxiu Liu, Heng Zhang, Jiangtao Yang, Yang Liu, Miao Chen, Changsheng Guo, Xiaolei Sun, Jian Xu
Summary: This study investigated the per capita consumption and prevalence of psychoactive substances (PSs) in Qinghai Province, China using wastewater-based epidemiology. The results showed that methamphetamine was the most consumed drug in the region, with higher consumption in certain cities due to different patterns and economic levels. Methadone consumption was also high in one city, possibly related to methadone maintenance therapy sites. Ecological risk assessments indicated low risk from methadone to aquatic organisms. However, the long-term effects of PSs cannot be ignored.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Environmental
Yuting Guo, Rongshan Wu, Changsheng Guo, Jiapei Lv, Linlin Wu, Jian Xu
Summary: This study explored the contamination and sources of 14 heavy metals in soil at an antimony mining site in Guizhou Province, China, and assessed the risks to both ecosystem and public health. The results showed that antimony, selenium, arsenic, and mercury were heavily polluted and posed significant ecological risks. Industrial activities were the main source of mercury, lead, and arsenic, while nickel, cobalt, gold, and copper originated from both lithogeny and anthropogenic sources. Selenium was of natural origin. This research is important for ensuring soil safety and protecting local people's health.
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
(2023)
Article
Environmental Sciences
Jiangtao Yang, Changsheng Guo, Ying Luo, Jingpu Fan, Weimin Wang, Xingxing Yin, Jian Xu
Summary: This study investigated the effect of the insecticide thiamethoxam (THM) on the behavior of adult zebrafish. The results showed that after exposure to different concentrations of THM, the locomotor activity, aggregation, and social activity of the fish were enhanced, but memory of the food zone was disrupted and abnormal swimming behavior was observed. THM exposure also caused pathological changes in the brain tissue, affected the concentrations of acetylcholinesterase and cortisol, and impacted the condition factor and organ coefficients of the zebrafish. This highlights the importance of behavioral studies in ecological risk assessment.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Engineering, Environmental
Heng Zhang, Miao Chen, Changsheng Guo, Jingpu Fan, Jian Xu
Summary: The UV/chlorine process is an advanced oxidation process that can produce reactive species for eliminating micropollutants in water. This study investigated the kinetics and reaction mechanism of sulpiride degradation by the UV/chlorine system, and evaluated the influencing factors. The results showed that SLP degradation followed a second-order kinetic model and the rate constant was in the range of 2.49-4.72 (mol L-1)(-1) min(-1). The combination of UV and chlorine was more efficient for SLP degradation compared to single UV photolysis or chlorine alone.
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
(2023)
Article
Environmental Sciences
Jiangtao Yang, Ying Luo, Miao Chen, Haijian Lu, Heng Zhang, Yang Liu, Changsheng Guo, Jian Xu
Summary: This study investigated the residues, distribution, and risks of organic micropollutants (OMPs) in surface waters of major cities in Qinghai, China. The results showed that OPEs were the dominant composition, and diazinon and dursban posed moderate-high chronic ecological risk to aquatic organisms. Although the non-carcinogenic total hazard quotient of OMPs in surface water was low, the potential risks to children and infants should not be underestimated.
Article
Environmental Sciences
Bin Shi, Renxin Zhao, Guijin Su, Bingyue Liu, Wenxiu Liu, Jian Xu, Qianqian Li, Jing Meng
Summary: This study investigated antibiotic resistance genes (ARGs) in influent and effluent of wastewater treatment plants (WWTPs) located on the Qinghai-Tibet Plateau using metagenomic approaches. The results showed that the relative abundance and diversity of ARGs significantly decreased from influent to effluent across the WWTPs. Clinically relevant ARGs mainly conferring resistance to beta-lactams were detected in both influent and effluent. The study also revealed the mobility potential of different ARG types and identified the bacterial hosts of ARGs. The findings emphasize the importance of metagenomic surveillance and provide insights for risk assessment and control of antibiotic resistome in WWTPs located in vulnerable areas.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Miao Chen, Yajun Hong, Xiaowei Jin, Changsheng Guo, Xu Zhao, Na Liu, Haijian Lu, Yang Liu, Jian Xu
Summary: This study assessed the risks of 80 pharmaceuticals in surface water of Beijing using a multilevel environmental risk optimization strategy, revealing that antiviral drugs were the dominant pharmaceuticals. Certain pharmaceuticals posed low risks and could be prioritized for screening as priority pollutants in water environments. The results also highlighted the indirect influence of human land use and climate conditions on pharmaceutical risks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Xingxing Yin, Yanghui Deng, Changsheng Guo, Chunguang Ding, Jian Xu, Fengchang Wu
Summary: The toxicological mechanisms of psychoactive substances in zebrafish at environmentally relevant concentrations were studied using untargeted metabolomics and behavioral characteristics. Even at sublethal concentrations, methamphetamine had adverse effects on aquatic organisms. This study analyzed the behavioral and metabolomic response of adult zebrafish exposed to methamphetamine at three concentrations compared to a control group. The results showed that metabolic effects and behavioral changes were observed even at low concentrations. Methamphetamine exposure in zebrafish could induce oxidative stress, energy metabolism disorders, and inflammation-associated diseases. The anxiety levels of exposed individuals were elevated, while their social interaction, learning, and memory were depressed. The modification of fish behavior could have further ecologically important effects.
Article
Engineering, Environmental
Ruonan Guo, Changsheng Guo, Heng Zhang, Beidou Xi, Ningqing Lv, Jian Xu
Summary: In this study, the key active site for peroxymonosulfate (PMS) activation in metallic carbon nitrogen mixtures (MCN) was identified and the structure-function relationships between different active sites in MCN and PMS were confirmed. The optimal MCN-700/PMS system exhibited outstanding catalytic activity in complex aqueous environment and strong resistance to pH. These findings provide new insights into the rational design of heterogeneous PMS systems.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Environmental Sciences
Youwei Yang, Changsheng Guo, Yiting Zeng, Yuxia Luo, Jian Xu, Chunying Wang
Summary: In this study, copper-iron prussian blue analogue (CunFe1-PBA) nanomaterials were synthesized and used as catalysts to activate peroxymonosulfate (PMS) for the degradation of bisphenol S (BPS) in water. Cu3Fe1-PBA calcined at 300 degrees C showed the highest catalytic activity. The Cu3Fe1-PBA*300 degrees C/PMS system was effective for BPS degradation under various conditions, except when inorganic anions and humic acid were present. The mechanism involves the effective generation of free radicals, especially O-1(2).
Article
Environmental Sciences
Haijian Lu, Jingpu Fan, Changsheng Guo, Jiangtao Yang, Heng Zhang, Miao Chen, Yang Liu, Wenxiu Liu, Jian Xu
Summary: Wastewater-based epidemiology is a cost-effective method to determine drug consumption and prevalence in communities. This study estimated the prevalence of antidepressants in five cities in Qinghai Province, China, using wastewater analysis, and examined the feasibility of using this method to estimate depression prevalence.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Ruonan Guo, Beidou Xi, Changsheng Guo, Heng Zhang, Long Chen, Wen Liu, Ningqing Lv, Jian Xu
Summary: MnFe Prussian blue analogues (MnFe PBAs) were fabricated and used as catalysts for the degradation of acetamiprid with peroxymonosulfate (PMS) as an oxidant. The most active facets for PMS activation were found to be MnFe PBAs (200) due to their superior chemisorption affinity and electron-transfer ability. The study demonstrated that Mn(III) played a crucial role in adjusting the electron density between Fe and Mn, leading to the high activation performance of MnFe PBAs (200).
Article
Engineering, Environmental
Tingting Song, Xiaoxuan Kang, Changsheng Guo, Zhangxing He, Ming Ge
Summary: This paper reviews the recent advances in the activation of persulfate (PS) by magnetic ferrite-carbon (MFC) composite materials for the degradation of organic contaminants in water. The role of carbon materials in the activation process and the environmental application of MFC-activated PS oxidation systems are discussed.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)