Ecotoxicology and Environmental Safety

Sun, 10/13/2019 - 03:25
Author(s): Jun Tan, Xianbo Lu, Lei Fu, Guoshun Yang, Jiping ChenAbstractThis study aimed at developing a simple and accurate method for determination of emerging chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) in fish by stable isotope dilution gas chromatography tandem mass spectrometry. Fish samples were extracted by improved accelerated solvent extraction (ASE) method. Matrix effects...
Sun, 10/13/2019 - 03:25
Author(s): Lixin Wang, Miaomiao Zheng, Shuping Zhang, Chuan Zhao, Weijun Kang, Ke WangAbstractCadmium, a typical heavy metal, causes serious toxicities on many organs and tissues. As the last partially controlled class of polybrominated diphenyl ethers (PBDEs), BDE209 can also induce various health issues. Although apoptosis mediated by mitochondria has been known to be a key player in inducing...
Sat, 10/12/2019 - 03:25
Author(s): Cristiano V.M. Araújo, João Rodolfo S. Pontes, Julián BlascoAbstractContamination seems to exert a crucial role in the spatial distribution of some organisms, such as shrimps and fish. Both, especially the freshwater fish Danio rerio and the shrimp Atyaephyra desmarestii, have been tested experimentally for their avoidance response and have showed the ability to escape from toxic...
Sat, 10/12/2019 - 03:25
Author(s): Huanyu Bao, Jinfeng Wang, Jiao Li, He Zhang, Fuyong WuAbstractIn order to provide a viable option for remediation of PAHs-contaminated soils, a greenhouse experiment was conducted to assess the effect of corn straw amendment (1%, 2%, 4% or 6%, w/w) on dissipation of aged polycyclic aromatic hydrocarbons (PAHs) in contaminated soils. Backpropagation artificial neural network (BP-ANN)...
Fri, 10/11/2019 - 03:25
Author(s): Xueyan Li, Aijing Li, Wenjuan Zhang, Xiaowei Liu, Yong Liang, Xinglei Yao, Maoyong SongAbstractIt has been demonstrated that heavy metals cross the placental barrier and exert potentially harmful fetal effects. Although previous studies showed sex differences in response to similar intrauterine environments, little is known about fetal sex-related differences in placental transfer and...
Fri, 10/11/2019 - 03:25
Author(s): Diana Matos, Carina Sá, Paulo Cardoso, Adília Pires, Sílvia M. Rocha, Etelvina FigueiraAbstractRhizobia have a significant agronomic and environmental role and are eminent contributors to soil fertility. However, this group of microorganisms are affected by various environmental stresses, such as Cd contamination. High Cd concentrations change bacterial metabolism. During this...
Fri, 10/11/2019 - 03:25
Author(s): Florian Zindler, Franziska Beedgen, Diana Brandt, Madeleine Steiner, Daniel Stengel, Lisa Baumann, Thomas BraunbeckAbstractIn (eco)toxicology, there is a critical need for efficient methods to evaluate the neurotoxic potential of environmental chemicals. Recent studies proposed analysis of early coiling activity in zebrafish embryos as a powerful tool for the identification of...
Thu, 10/10/2019 - 03:25
Author(s): Ling Mo, Xiaobo Zheng, Chunyou Zhu, Yuxin Sun, Lehuan Yu, Xiaojun Luo, Bixian MaiAbstractPlenty of banned and emerging persistent organic pollutants (POPs), including dichlorodiphenyltrichloroethane and its metabolites (DDTs), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), dechlorane plus (DP), and decabromodiphenyl ethane (DBDPE), were measured in oriental...
Thu, 10/10/2019 - 03:25
Author(s): Surbhi Dabral, Yashaswee, Ajit Varma, Devendra Kumar Choudhary, Rajeev Nayan Bahuguna, Manoj NathAbstractPiriformospora indica is known for plant growth promotion and abiotic stress alleviation potential in several agricultural crops. However, a systemic analysis is warranted to explore potential application of this important fungus to augment heavy metal tolerance in rice. The present...
Sun, 10/06/2019 - 03:24
Author(s): Yinqing Zhang, Kunkun Wang, Yi Yang, Jinliang Xu, Binbin Sun, Lingyan ZhuAbstractSilver nanowires (AgNWs) are widely produced in many electronic and optical products, and could be inevitably discharged into the aquatic environments. Sulfidation is one of the most important transformation processes of AgNWs, and could significantly affect their fate and interactions with other...
Sun, 10/06/2019 - 03:24
Author(s): Yakui Chen, Qifa Zhu, Xiangzhou Dong, Weiwei Huang, Chenyu Du, Diannan LuAbstractA novel strain Serratia marcescens HB-4 with high Cadmium adsorption capacity was isolated from heavy metal contaminated soil in Hunan province, China. S. marcescens HB-4 reduced the concentration of Cd present in wastewater to less than 0.1 mg/L when the inlet stream contained no higher than 5.0 mg/L Cd....
Sun, 10/06/2019 - 03:24
Author(s): Renan Castelhano Gebara, Jaqueline Pérola Souza, Adrislaine da Silva Mansano, Hugo Sarmento, Maria da Graça Gama MelãoAbstractNanoparticles (NPs) production is increasing worldwide. These products are likely to end up in aquatic environments. However, few studies evaluated the chronic toxicity of iron-based NPs (Fe-NPs) to cladocerans and their potential ecotoxicological hazards. In...
Thu, 10/03/2019 - 03:25
Author(s): Xiaoxia Dong, Fan Yang, Shuping Yang, Changzhou YanAbstractCanna indica L. is a promising species for heavy metal phytoremediation due to its fast growth rate and large biomass. However, few studies have investigated cadmium (Cd) tolerance mechanisms. In the present study, Canna plants were cultivated under hydroponic conditions with increasing Cd concentrations (0, 5, 10, 15 mg/L). We...
Thu, 10/03/2019 - 03:25
Author(s): Yang Liu, Jun Ji, Wei Zhang, Yao Suo, Jiating Zhao, Xiaoying Lin, Liwei Cui, Bai Li, Huaiqiang Hu, Chunying Chen, Yu-Feng LiAbstractIntroductionSelenium plays important roles in antagonizing the toxicity of methylmercury. The underlying mechanism for the antagonism between Se and MeHg is still not fully understood.ObjectiveThe role of gut flora against the toxicity of environmental...
Mon, 09/30/2019 - 17:01
Author(s): Xiang Wan, Alan D. Steinman, Xiubo Shu, Qing Cao, Lei Yao, Liqiang XieAbstractMicrocystins and polycyclic aromatic hydrocarbons commonly co-exist in eutrophic freshwater environments. However, their combined toxicity remains unknown. The aim of this study was to evaluate the combined toxic effects of microcystin-LR (MC-LR) and phenanthrene (Phe) on duckweed (Lemna gibba L.) during a...
Mon, 09/30/2019 - 17:01
Author(s): Ke Yuan, Xin Chen, Ping Chen, Yongshun Huang, Jie Jiang, Tiangang Luan, Baowei Chen, Xiaowei WangAbstractMethylmercury (MeHg) is a toxicant that mainly originates from in situ microbial methylation of inorganic mercury (Hg) in the environment and poses a severe health risk to the public. However, the characteristics of the Hg-methylating microbial community and its relationship with...
Mon, 09/30/2019 - 17:01
Author(s): Xu Yang, Rongkai Lin, Wenyuan Zhang, Yongkang Xu, Xin Wei, Chen Zhuo, Junhao Qin, Huashou LiAbstractSalt-tolerant rice cultivar (sea rice) is a research hotspot worldwide due to its high yield in high salinity soil. However, knowledge regarding the cadmium (Cd) effects on the growth of sea rice is limited. To determine the short-term and long-term impact of Cd stress, relatively low/...
Mon, 09/30/2019 - 17:01
Author(s): Yang Huang, Chuan Fu, Zhe Li, Fang Fang, Wenjuan Ouyang, Jinsong GuoAbstractOperation of recession and inundation in Three Gorges Reservoir (TGR) revealed a potential contribution to the migration of heavy metals in soil and fluvial systems, thus led to negative ecological impacts. The work herein investigated the concentration and speciation of three typical heavy metals (Cd, Cr and...
Mon, 09/30/2019 - 17:01
Author(s): Vinay Kumar, S.K. DwivediAbstractIn the present study we are investigating the Cr(VI) reduction potential of a multi-metal tolerant fungus (isolate CR700); isolated from electroplating wastewater. Based on the ITS region sequencing, the isolate was identified as Trichoderma lixii isolate CR700 and able to tolerate As(2000 mg/L), Ni(1500 mg/L), Zn(1200 mg/L), Cu(1200 mg/L), Cr(1000 mg/L...
Thu, 09/26/2019 - 03:20
Author(s): Suhyun Park, Yeongwan Hong, Jiyun Lee, Younglim Kho, Kyunghee JiAbstractBisphenol S (BPS) and 4-hydroxyphenyl 4-isoprooxyphenylsulfone (BPSIP) have been used as substitutes for bisphenol A (BPA) owing to increased regulation of BPA in plastics. In this study, long-term toxicity tests of BPS and BPSIP were performed using Daphnia magna and Moina macrocopa. The predicted no-effect...
Wed, 09/25/2019 - 03:24
Author(s): Mengyao Mu, Hongjing Zhao, Yu Wang, Juanjuan Liu, Dongxue Fei, Mingwei XingAbstractArsenic and copper are naturally occurring element. Contamination from natural processes and anthropogenic activities can be discovered all over the world and their unique interactions with the environment lead to widespread toxicity. When the content was excessive, the organism would be hurt seriously....
Wed, 09/25/2019 - 03:24
Author(s): He Xiao, Asfandyar Shahab, Jieyue Li, Beidou Xi, Xiaojie Sun, Huijun He, Guo YuAbstractIn this study, heavy metals including Cd, Pb, Zn, Mn, Cu, Ni, Cr, As, and Hg, in the surface sediment (0–10 cm) of the Huixian wetland in a karst region were investigated in terms of their spatial distribution, ecological risks, and possible sources. Samples were collected from 13 typical sites...
Wed, 09/25/2019 - 03:24
Author(s): Aneta Spyra, Anna Cieplok, Małgorzata Strzelec, Agnieszka BabczyńskaAbstractIn this study we focused on Physella acuta, an alien snail species in order to determine their ability of bioaccumulation of heavy metals in their shells, bodies, the difference in accumulation in relation to age classes, and the influence of ecological variables on the community composition and density. On the...
Wed, 09/25/2019 - 03:23
Author(s): Jaime Rodríguez-Estival, Carlos Morales-Machuca, Jennifer Pareja-Carrera, Manuel E. Ortiz-Santaliestra, Rafael MateoAbstractHere we characterize the bioaccumulation of mercury (Hg) and lead (Pb) in red swamp crayfish (Procambarus clarkii) from two river courses in Central Spain that are impacted by historical Hg and Pb mining activities, respectively. We estimate the absolute oral...
Tue, 09/24/2019 - 03:23
Author(s): Yi Li, Kehui Liu, Jing Zhu, Yongrong Jiang, Yuanyuan Huang, Zhenming Zhou, Chaoshu Chen, Fangming YuAbstractManganese (Mn) pollution in soil, especially around the mining areas, is a severe problem in China. Seeking for effective remediation methods for Mn-contaminated soil is therefore urgent and necessary. Camellia oleifera (C. oleifera) is one of the world's four major woody oil...
Tue, 09/24/2019 - 03:23
Author(s): Wei-Jie Xue, Chang-Bo Zhang, Pei-Pei Wang, Chang-Rong Wang, Yong-Chun Huang, Xin Zhang, Zhong-Qi LiuAbstractAltering Cd chemical form is one of the mechanisms to alleviate Cd toxicity in rice plant. Field experiments were carried out in this study to investigate the potential of rice vegetative organs in altering Cd into insoluble chemical forms in the natural environment. Experimental...
Tue, 09/24/2019 - 03:23
Author(s): Abdolmajid Gholizadeh, Mahmoud Taghavi, Alireza Moslem, Ali Asghar Neshat, Moslem Lari Najafi, Ahmad Alahabadi, Ehsan Ahmadi, Hamideh Ebrahimi aval, Akbar Ahmadi Asour, Hossein Rezaei, Sedighe Gholami, Mohammad MiriAbstractIn the present study, we assessed the concentration of airborne HMs (Zn, Cu, Pb, and Cd) and their probable sources using the bark of Pinus eldarica as a bio-...
Tue, 09/24/2019 - 03:23
Author(s): Guillaume Lassalle, Anthony Credoz, Rémy Hédacq, Georges Bertoni, Dominique Dubucq, Sophie Fabre, Arnaud ElgerAbstractThe persistence of soil contamination after cessation of oil activities remains a major environmental issue in tropical regions. The assessment of the contamination is particularly difficult on vegetated sites, but promising advances in reflectance spectroscopy have...
Tue, 09/24/2019 - 03:23
Author(s): Hengzhi Wang, Penglei Sun, Xiaolin Zhang, Lipeng Wang, Wenlei Guo, Feng Bei, Weitang Liu, Jinxin WangAbstractA rapid and simple method based on liquid chromatography-tandem mass spectrometry (LC-MS/MS) of sample preparation using QuEChERS was developed for detecting residues of QYR301, a new HPPD-inhibiting herbicide, in rice plant (straw), water, soil, rice hull and brown rice (BR)....
Tue, 09/24/2019 - 03:23
Author(s): Shuang Song, Xin Zhou, Chenqi Guo, Haiyan Zhang, Tao Zeng, Yidong Xie, Jinsong Liu, Chaofei Zhu, Xingrong SunAbstractTypical thermal processes are common sources of polychlorinated, polybrominated and mixed polybrominated/chlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs, PBDD/Fs, and PBCDD/Fs); however, very few reports have investigated their coemission. To clarify the...
Tue, 09/24/2019 - 03:23
Author(s): Congcong Zhang, Xiaoxiu Li, Zhiguang ZhouAbstractThe mass concentrations, toxic equivalent quantity (TEQ) concentrations and congener profiles of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the stack flue gas and ambient air of municipal solid waste incinerator (MSWI) were monitored in this study to evaluate the levels, emission characteristics, seasonal variation...
Tue, 09/24/2019 - 03:23
Author(s): Huijuan Song, Liang Peng, Zhiyi Li, Xiaozhou Deng, Jihai Shao, Ji-dong GuAbstractThe paddy-crusts (PCs) play an important pole in the transformation and transfer of heavy metal in paddy. Different PCs were collected from paddy fields whose soils contained cadmium (Cd) at four concentration levels (0.61, 0.71, 1.53, and 7.08 mg/kg) in Hunan Province, China P.R. at Sep 2017. This metal's...
Tue, 09/24/2019 - 03:23
Author(s): Hafida Baoune, Juan Daniel Aparicio, Adrian Acuña, Aminata Ould El Hadj-khelil, Leandro Sanchez, Marta Alejandra Polti, Analia AlvarezAbstractRestoring polluted sites by petroleum hydrocarbons is a challenge because of their complexity and persistence in the environment. The main objective of the present study was to investigate the performance of plant-actinobacteria system for the...
Tue, 09/24/2019 - 03:23
Author(s): Yanfeng Zhang, Jinxi Yang, Stuart L. Simpson, Yuanyuan Wang, Lingyan ZhuAbstractThe toxicities of heavy metals in sediments are related to their bioavailability, which is critical for deriving reliable sediment quality guidelines. To evaluate the bioavailability of the metals (Cd, Cu, Ni, Pb and Zn), sediments were collected from Taihu Lake, one of the largest and most important...
Tue, 09/24/2019 - 03:23
Author(s): Feng Li, Yang Zheng, Jiang Tian, Fei Ge, Xingwang Liu, Yixin Tang, Chuang FengAbstractThis study investigated the effects of Cupriavidus sp. strain Cd02-mediated increase on biosorption and bioprecipitation of Cd2+ during the 144-h cultivation time as well as evaluated effectivenesses of changing soil pH and bioavailability of cadmium after bioaugmentation of strain Cd02 into Cd-...
Tue, 09/24/2019 - 03:23
Author(s): Lixian Yao, Manus P. Carey, Jiawen Zhong, Cuihua Bai, Changmin Zhou, Andrew A. MehargAbstractRoxarsone (ROX), an organoarsenic feed additive, and its metabolites, can be present in animal manure used to fertilize rice. Rice is prone to absorb arsenic, and is subject to straighthead disorder, which reduces rice yield and is linked with organic arsenic compounds. This study aims to...
Tue, 09/24/2019 - 03:23
Author(s): Jiajun Wen, Zhongwu Li, Ninglin Luo, Mei Huang, Xiang Ding, Xianrong Bu, Ming ChenAbstract:Soil organic matter (SOM) could immobilize most of metals, but it could promote the migration of a small part of metals in special environments. Heavy rainfall and drought makes wetlands affected by the alternation of drought and flood, altering the mobility of metals. Few studies have been...
Tue, 09/24/2019 - 03:23
Author(s): Abdullahi Adekilekun Jimoh, Johnson LinAbstractPetroleum hydrocarbons, oil, heavy metals pollution is becoming additional severe problem due to the growing call for crude oil and crude oil products related products in several fields of application. Such pollution have fascinated much considerations and attractions as it leads to ecological damages in both marines, aquatic and...
Tue, 09/24/2019 - 03:23
Author(s): B.F. Yan, C. Nguyen, O.S. Pokrovsky, F. Candaudap, C. Coriou, S. Bussière, T. Robert, J.Y. CornuAbstractThis study aims to characterize the response of durum wheat to different concentrations of Cd found in agricultural soils. One French durum wheat cultivar (i.e. Sculptur) was exposed to low concentrations of Cd (5 nM or 100 nM) in hydroponics. After anthesis, the plants were fed with...
Tue, 09/24/2019 - 03:23
Author(s): HuaWei Fang, WuShuang Li, ShuXin Tu, YongZhen Ding, RuiGang Wang, Christopher Rensing, YuanPing Li, RenWei FengAbstractLeaf vegetables have strong capabilities to take up cadmium (Cd) compared to other vegetable varieties. Until now, the differences in Cd uptake and accumulation by leaf vegetables from different families and genera and the related health risks were unknown. To remedy...
Tue, 09/24/2019 - 03:23
Author(s): Nassim Zeinali, Ibukun Oluwoye, Mohammednoor Altarawneh, Bogdan Z. DlugogorskiAbstractPolychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) remain of particular concern owing to their extensive toxicity towards health and accumulation in the environment. Atmospheric oxidation (by ambient oxygen molecules) of this class of persistent environmental pollutants has little to...
Tue, 09/24/2019 - 03:23
Author(s): Han Zheng, Meng Wang, Shibao Chen, Shanshan Li, Xiaoqin LeiAbstractThe objective of this study was to investigate the responses of cadmium (Cd) availability and transfer in the soil-rice system to added sulfur (S) under unstable pe + pH conditions. Different water management conditions (flooding and aerobic treatments) cause changes in the soil pe + pH. We conducted a pot experiment to...
Tue, 09/24/2019 - 03:23
Author(s): Daniela Eliza Marin, Cornelia Braicu, Gabi Dumitrescu, Gina C. Pistol, Roxana Cojocneanu, Ioana Berindan Neagoe, Ionelia TaranuAbstractOTA is a toxic metabolite produced by fungus belonging to Aspergillus and Penicillium genera. Kidney is the main target of this toxin; OTA is considered as one of the etiological factors at the origin of the human Balkan endemic nephropathy. microRNA...
Tue, 09/24/2019 - 03:23
Author(s): Gaoqi Jin, Wei Fang, Mohammad Shafi, Dongtao Wu, Yaqian Li, Bin Zhong, Jiawei Ma, Dan LiuAbstractThe conditions of the sources of heavy metals are essential to assess its potential threats to human health. The identification of the origin of heavy metals is essential for planning effective measures to control long-term accumulation of heavy metals. In this study, analysis of pollution...
Tue, 09/24/2019 - 03:23
Author(s): Jian Lu, Yuxuan Zhang, Jun Wu, Yongming LuoAbstractMicroplastics and antibiotic resistance genes (ARGs) are two kinds of emerging contaminants with frequent detection in coastal regions. However, rare information on co-occurrence of microplastics and ARGs in coastal recirculating aquaculture system (RAS) is available. This study performed field sampling and laboratory analysis to...
Tue, 09/24/2019 - 03:23
Author(s): Ahmed Khadra, Eric Pinelli, Amine Ezzariai, Oubane Mohamed, Georges Merlina, Karim Lyamlouli, Lamfeddal Kouisni, Mohamed HafidiAbstractThe objective of this study was to investigate chemical, biological and eco-toxicological parameters of a compost produced through the co-composting of dewatered primary sludge (DPS) and date palm waste to evaluate in which extent it can exploited as a...
Tue, 09/24/2019 - 03:23
Author(s): Jing-Yi Wu, Wen-Xiu Liu, Wei He, Fu-Liu XuAbstractPerfluoroalkyl acids (PFAAs) are a type of persistent organic pollutants that are widely distributed in multiple environmental media and organisms and have a teratogenic effect on and toxicity to animals and humans. The residual levels of seventeen PFAAs in the tissues of two regular consumption fish species, Culter erythropterus and...
Tue, 09/24/2019 - 03:23
Author(s): Lulu Kong, Jingze Liu, Qian Han, Qixing Zhou, Junliang HeAbstractEffects of sewage sludge biochars (SSBCs) on the growth of wheat and the specific toxicological mechanisms were investigated from a metabolic perspective for better ecological risk assessment. We observed that conversion of sludge to biochar remarkably changed the properties, and also caused a significant (p < 0.05)...
Tue, 09/24/2019 - 03:23
Author(s): Yue Shen, Tingyan Liu, Yuanyuan Shi, Feng Zhuang, Jianxin Lu, Qiuyu Zhu, Feng DingAbstractBisphenol A (BPA) accumulates in patients with chronic kidney disease (CKD), and hemodialysis filters may contribute to bisphenol burden in patients on hemodialysis (HD). The serum levels of BPA and three BPA analogs, namely, bisphenol B (BPB), bisphenol S (BPS), and bisphenol F (BPF), in 58...
Tue, 09/24/2019 - 03:23
Author(s): Lifei Zhu, Li Wei, Jinmiao Zha, Li Na, Zijian WangAbstractThiamethoxam has emerged as an environmental contaminant detected in aqueous environments, and its endocrine-disrupting effect at chronic exposure in teleosts remains unknown. In the present study, a docking experiment and an in vivo test were integrated to systematically explore the toxic mechanisms of thiamethoxam in fish....

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