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Impacts of n-alkane concentration on soil bacterial community structure and alkane monooxygenase genes

Yueqiao Liu, Aizhong Ding, Yujiao Sun, Xuefeng Xia, Dayi Zhang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1064-5

Abstract:

Soil microbial community is not significantly shaped by alkane concentrations

Alkane concentrations alter dominant alkaneitemcontent>

Different alkanes are preferentially degraded at different contaminationlevel

Different types of alkane monooxygenasegenes responsible for alkane degradation

Keywords： Petroleum hydrocarbon contaminated site     n-alkane contamination level     n-alkane biodegradation     Soil bacterialcommunity     Alkane degraders     Alkane-monooxygenase genes    

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Spatial prediction of soil contamination based on machine learning: a review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1693-1

Abstract:

● A review of machine learning (ML) for spatial prediction of soil contamination

Keywords： Soil contamination     Machine learning     Prediction     Spatial distribution    

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Strategies to manage the risk of heavy metal(loid) contamination in agricultural soils

Fang-Jie ZHAO

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 3,   Pages 333-338 doi: 10.15302/J-FASE-2020335

Abstract:

Soil contamination with heavy metal(loid)s threatens soil ecological functions, water quality andContamination and soil acidification are the main causes of high Cd levels in rice grains produced inIt is important to protect agricultural soils from future contamination.

Keywords： arsenic     cadmium     food safety     heavy metals     soil contamination    

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Selective pseudosolubilization capability of

Fei HUA, Hongqi WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 539-551 doi: 10.1007/s11783-013-0498-z

Abstract: Pseudosolubilized ability of sp. DG17 on -alkanes, role of biosurfactants in -octadecane uptake and trans-membrane transport mechanism of -octadecane were studied by analyzing amount of pseudosolubilized oil components in water phase, and the fraction of radiolabeled C -octadecane in the broth and cell pellet. GC-MS results showed that pseudosolubilized oil components were mainly C to C of -alkanes. In -octadecane broth, pseudosolubilized -octadecane could be accumulated as long as pseudosolubilized rate was faster than mineralization rate of substrate, and the maximum concentration of pseudosolubilized -octadecane achieved to 45.37 mg·L . All of these results showed that sp. DG17 mainly utilized alkanes by directly contacting with pseudosolubilized small oil droplets in the water phase. Analysis of C amount in cell pellet revealed that an energy-dependent system mainly controlled the trans-membrane transport of -octadecane.

Keywords： Pseudomonas     alkane     uptake     pseudosolubilization     trans-membrane transport    

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Nitrobenzene contamination of groundwater in a petrochemical industry site

Yongsheng Zhao, Lin Lin, Mei Hong

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1107-6

Abstract:

The contaminant transport distance is predicted using numerical model.

Zero-valent iron can be used to effectively transform nitrobenzene to aniline.

Experiment shows that two-layer PRB systems have a very good treatment effect.

Keywords： Nitrobenzene     Benzene     Groundwater     Zero-valent iron     Permeable reactive barrier    

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Evaluating heavy metal contamination of riverine sediment cores in different land-use areas

Wenzhong Tang, Liu Sun, Limin Shu, Chuang Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1283-4

Abstract: The B1 fraction largely determined the contamination, risk and toxicity levels associated with heavy

Keywords： Heavy metals     Riverine sediments     Pollution     Land-use    

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Serum N-Glycan Markers for Diagnosing Significant Liver Fibrosis and Cirrhosis in Chronic Hepatitis Article

Lin Wang, Yiqi Liu, Qixin Gu, Chi Zhang, Lei Xu, Lei Wang, Cuiying Chen, Xueen Liu, Hong Zhao, Hui Zhuang

Engineering 2023, Volume 26, Issue 7,   Pages 151-158 doi: 10.1016/j.eng.2023.03.008

Abstract:

The aim of this study was to explore the role of serum N-glycomic-derived models in diagnosingA total of nine N-glycan peaks were identified in serum samples for each subject.method—namely, random forest (RF) analysis—was adopted to construct more ideal serum NN-glycanIn distinguishing liver cirrhosis, the diagnostic AUROC curve of the serum N-glycan RF model

Keywords： Liver fibrosis     Chronic hepatitis B     Serum N-glycan     N-glycan model     Alanine aminotransferase(ALT) level    

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Role of salivary matrix metalloproteinase-8 (MMP-8) in chronic periodontitis diagnosis

Namita Gupta,N.D. Gupta,Akash Gupta,Saif Khan,Neha Bansal

Frontiers of Medicine 2015, Volume 9, Issue 1,   Pages 72-76 doi: 10.1007/s11684-014-0347-x

Abstract: basis of several periodontal parameters, including pocket probing depth (PPD), clinical attachment level

Keywords： matrix metalloproteinase-8     chronic periodontitis     pocket probing depth     clinical attachment level     gingival    

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E-waste environmental contamination and harm to public health in China

Xijin Xu,Xiang Zeng,H. Marike Boezen,Xia Huo

Frontiers of Medicine 2015, Volume 9, Issue 2,   Pages 220-228 doi: 10.1007/s11684-015-0391-1

Abstract:

The adverse effects of electronic waste (e-waste) on the human body have stirred up concern in recent years. China is one of the countries that confront serious pollution and human exposure of e-waste, and the majority of the population is exposed to potentially hazardous substances that are derived from informal e-waste recycling processes. This study reviews recent reports on human exposure to e-waste in China, with particular focus on exposure routes (e.g., inhalation and ingestion) and several toxicities of human (e.g., endocrine system, respiratory system, reproductive system, developmental toxicity, neurotoxicity, and genetic toxicity). Pieces of evidence that associate e-waste exposure with human health effects in China are assessed. The role of toxic heavy metals (e.g., lead, cadmium, chromium, mercury, and nickel) and organic pollutants (e.g., polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyl (PCBs), polycyclic aromatic hydrocarbons (PAHs), polybrominated biphenyls (PBBs), polyhalogenated aromatic hydrocarbons (PHAHs), bisphenol A (BPA)) on human health is also briefly discussed.

Keywords： e-waste     heavy metal     organic pollutant     hazardous     toxicity     human health     China    

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Hazard and vulnerability evaluation of water distribution system in cases of contamination intrusion

Kunlun XIN, Tao TAO, Yong WANG, Suiqing LIU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 839-848 doi: 10.1007/s11783-012-0409-8

Abstract: for hazard and vulnerability evaluations of water distribution networks, based on the simulation of contaminationIt attempted to answer the following two questions in the case of contamination events: 1) Which are

Keywords： water distribution network     hazard     vulnerability     contaminant accident    

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Strain and process engineering toward continuous industrial fermentation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1336-1353 doi: 10.1007/s11705-022-2284-6

Abstract: should be addressed for the industrial application of continuous fermentation processes, including (1) contamination

Keywords： continuous fermentation     productivity     contamination     strain degeneration     metabolic engineering    

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Engineered Hybrid Materials with Smart Surfaces for Effective Mitigation of Petroleum-originated Pollutants Review

N. Iqbal

Engineering 2021, Volume 7, Issue 10,   Pages 1494-1505 doi: 10.1016/j.eng.2020.07.024

Abstract:

The generation and controlled or uncontrolled release of hydrocarbon-contaminated industrial wastewater effluents to water matrices are a major environmental concern. The contaminated water comes to surface in the form of stable emulsions, which sometimes require different techniques to mitigate or separate effectively. Both the crude emulsions and hydrocarbon-contaminated wastewater effluents contain suspended solids, oil/grease, organic matter, toxic elements, salts, and recalcitrant chemicals. Suitable treatment of crude oil emulsions has been one of the most important challenges due to the complex nature and the substantial amount of generated waste. Moreover, the recovery of oil from waste will help meet the increasing demand for oil and its derivatives. In this context, functional nanostructured materials with smart surfaces and switchable wettability properties have gained increasing attention because of their excellent performance in the separation of oil–water emulsions. Recent improvements in the design, composition, morphology, and fine-tuning of polymeric nanostructured materials have resulted in enhanced demulsification functionalities. Herein, we reviewed the environmental impacts of crude oil emulsions and hydrocarbon-contaminated wastewater effluents. Their effective treatments by smart polymeric nanostructured materials with wettability properties have been stated with suitable examples. The fundamental mechanisms underpinning the efficient separation of oil–water emulsions are discussed with suitable examples along with the future perspectives of smart materials.

Keywords： Emulsion     Hydrocarbon-contamination     Environment impacts     Hybrid nanomaterials     Oil–water separation    

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Analysis and assessment of heavy metal contamination in surface water and sediments: a case study from

Zhaoming WANG,Ranhao SUN,Haiping ZHANG,Liding CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 240-249 doi: 10.1007/s11783-014-0646-0

Abstract: This finding suggests that water currents are a major explanatory factor in heavy metal contaminationThe abundance of Cr, Pb, and Cd observed in the middle reaches of the river indicates heavy metal contamination

Keywords： heavy metal     water     sediment     geo-accumulation index     Luan River    

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Comprehensive evaluation of heavy metal contamination of sediment in Lake Dianchi by using modified AHP

ZHANG Yan, GAO Xiang, ZHONG Zhenyu, PENG Buzhuo, DENG Xihai

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 370-379 doi: 10.1007/s11783-008-0054-4

Abstract: sediments in five sections of Lake Dianchi were evaluated and the results indicated that the current contamination

Keywords： Dianchi     Analytical Hierarchy     monitoring     modified Analytical     importance    

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Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 114-120 doi: 10.1007/s11709-014-0267-5

Abstract: critical examination of existing random field models of heterogeneous two-phase media with emphasis on level-cutThe case of random level sets, often used to represent the geometry of physical systems, is also examined

Keywords： microstructure     random fields     level sets     shape recovery     two-phase media    

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Title Author Date Type Operation

Impacts of n-alkane concentration on soil bacterial community structure and alkane monooxygenase genes

Yueqiao Liu, Aizhong Ding, Yujiao Sun, Xuefeng Xia, Dayi Zhang

Journal Article

Spatial prediction of soil contamination based on machine learning: a review

Journal Article

Strategies to manage the risk of heavy metal(loid) contamination in agricultural soils

Fang-Jie ZHAO

Journal Article

Selective pseudosolubilization capability of

Fei HUA, Hongqi WANG

Journal Article

Nitrobenzene contamination of groundwater in a petrochemical industry site

Yongsheng Zhao, Lin Lin, Mei Hong

Journal Article

Evaluating heavy metal contamination of riverine sediment cores in different land-use areas

Wenzhong Tang, Liu Sun, Limin Shu, Chuang Wang

Journal Article

Serum N-Glycan Markers for Diagnosing Significant Liver Fibrosis and Cirrhosis in Chronic Hepatitis

Lin Wang, Yiqi Liu, Qixin Gu, Chi Zhang, Lei Xu, Lei Wang, Cuiying Chen, Xueen Liu, Hong Zhao, Hui Zhuang

Journal Article

Role of salivary matrix metalloproteinase-8 (MMP-8) in chronic periodontitis diagnosis

Namita Gupta,N.D. Gupta,Akash Gupta,Saif Khan,Neha Bansal

Journal Article

E-waste environmental contamination and harm to public health in China

Xijin Xu,Xiang Zeng,H. Marike Boezen,Xia Huo

Journal Article

Hazard and vulnerability evaluation of water distribution system in cases of contamination intrusion

Kunlun XIN, Tao TAO, Yong WANG, Suiqing LIU

Journal Article

Strain and process engineering toward continuous industrial fermentation

Journal Article

Engineered Hybrid Materials with Smart Surfaces for Effective Mitigation of Petroleum-originated Pollutants

N. Iqbal

Journal Article

Analysis and assessment of heavy metal contamination in surface water and sediments: a case study from

Zhaoming WANG,Ranhao SUN,Haiping ZHANG,Liding CHEN

Journal Article

Comprehensive evaluation of heavy metal contamination of sediment in Lake Dianchi by using modified AHP

ZHANG Yan, GAO Xiang, ZHONG Zhenyu, PENG Buzhuo, DENG Xihai

Journal Article

Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Journal Article