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  1. AU="Zeng, Guangming"
  2. AU="Luigi Mazzeo, Pier"
  3. AU="Danilova, Olga V"
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  6. AU="Andrade, Letícia G."
  7. AU="Hosseinzadeh, Sara Ali"
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  10. AU="Shoben, Abigail B."
  11. AU="Rowe, Elizabeth"
  12. AU="Pandemic Response COVID-19 Research Collaboration Platform for HCQ/CQ Pooled Analyses"
  13. AU="Rahali, Anwar"
  14. AU="Zhang, Zhuang-Wei"
  15. AU="Townsend, Elizabeth C"
  16. AU="Lange, Mona V"
  17. AU="Bruner, Brenda G"
  18. AU="Michael Craigen"
  19. AU="Lambard, G."
  20. AU="Dempsey, Connor P"
  21. AU=Li Youxian
  22. AU="Bhosale, Chanakya R"

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  1. Artikel ; Online: Effects of oxytetracycline and zinc ion on nutrient removal and biomass production via microalgal culturing in anaerobic digester effluent.

    Li, Xiang / Yang, Chunping / Lin, Yan / Hu, Tianjue / Zeng, Guangming

    Bioresource technology

    2022  Band 346, Seite(n) 126667

    Abstract: Removal of nutrients from swine wastewater digester effluent (SWDE) by microalgae Coelastrella sp. and production of Coelastrella sp. were investigated at the presence of oxytetracycline (OTC) and Zn(II). Mechanisms of stress of OTC and Zn(II) on ... ...

    Abstract Removal of nutrients from swine wastewater digester effluent (SWDE) by microalgae Coelastrella sp. and production of Coelastrella sp. were investigated at the presence of oxytetracycline (OTC) and Zn(II). Mechanisms of stress of OTC and Zn(II) on microalgae were discussed via analyzing the removal performance of SWDE and biochemical characteristics of microalgae. Results showed that removal efficiency of ammonia nitrogen and biomass yield of microalgae at the presence of 5000 μg/L of OTC decreased by 13.1% - 50.1% and 28.2% -71.5%, respectively, when Zn concentration was increased from 0.50 mg/L to 5.0 mg/L. The presence of 5.0 mg/L Zn(II) promoted the accumulation of lipids in microalgae, and the presence of 50 μg/L OTC increased unsaturation of fatty acid methyl ester. Content of glutathione and activity of both glutamine synthetase and superoxide dismutase decreased with the increase of OTC concentration, while content of adenosine triphosphatase increased when Zn(II) concentration was also increased.
    Mesh-Begriff(e) Anaerobiosis ; Animals ; Biomass ; Microalgae ; Nitrogen/analysis ; Nutrients ; Oxytetracycline ; Phosphorus ; Swine ; Waste Water ; Zinc
    Chemische Substanzen Waste Water ; Phosphorus (27YLU75U4W) ; Zinc (J41CSQ7QDS) ; Nitrogen (N762921K75) ; Oxytetracycline (X20I9EN955)
    Sprache Englisch
    Erscheinungsdatum 2022-01-04
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 1065195-0
    ISSN 1873-2976 ; 0960-8524
    ISSN (online) 1873-2976
    ISSN 0960-8524
    DOI 10.1016/j.biortech.2021.126667
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  2. Artikel ; Online: Facile introduction of coordinative Fe into oxygen-enriched graphite carbon nitride for efficient photo-Fenton degradation of tetracycline.

    Yi, Huan / Ma, Dengsheng / Huo, Xiuqin / Li, Ling / Zhang, Mingming / Zhou, Xuerong / Xu, Fuhang / Yan, Huchuan / Zeng, Guangming / Lai, Cui

    Journal of colloid and interface science

    2024  Band 660, Seite(n) 692–702

    Abstract: Tetracycline (TC) antibiotics have been widely used over the past decades, and their massive discharge led to serious water pollution. Photo-Fenton process has gained ever-increasing attention for its excellent oxidizing ability and friendly solar energy ...

    Abstract Tetracycline (TC) antibiotics have been widely used over the past decades, and their massive discharge led to serious water pollution. Photo-Fenton process has gained ever-increasing attention for its excellent oxidizing ability and friendly solar energy utilization ability in TC polluted water treatment. This work introduced coordinative Fe into oxygen-enriched graphite carbon nitride (OCN) to form FeOCN composites for efficient photo-Fenton process. Hemin was chosen as the source to provide the source of coordinative Fe-N
    Sprache Englisch
    Erscheinungsdatum 2024-01-20
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 241597-5
    ISSN 1095-7103 ; 0021-9797
    ISSN (online) 1095-7103
    ISSN 0021-9797
    DOI 10.1016/j.jcis.2024.01.131
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  3. Artikel ; Online: A study on air pollution exposure of “first and last mile” urban commuters under space-behavior dual verification based on big data, land-use regression model and space syntax

    Li, Xin / Yang, Tao / Zhu, Ziqian / Zeng, Zhuotong / Zeng, Guangming / Liang, Jie / Chen, Xuwu / Li, Xiaodong

    Journal of Cleaner Production. 2023 Sept., v. 419 p.138244-

    2023  

    Abstract: Urban traffic-related air pollution (TRAP) exposure is a serious problem during daily commutes. Previous studies assess the TRAP exposure of commuters mainly based on fastest and lowest-dose routes. In addition, the first and last parts of the commutes (“ ...

    Abstract Urban traffic-related air pollution (TRAP) exposure is a serious problem during daily commutes. Previous studies assess the TRAP exposure of commuters mainly based on fastest and lowest-dose routes. In addition, the first and last parts of the commutes (“first and last mile”) are often overlooked, wherein the commuters tend to choose active transport (walking, jogging and cycling) and are highly exposed to air pollution. This study uses a space syntax model to simulate the most likely actual commuting routes (behavior-based routes) of “first and last mile” in Changsha, China, and combine it with a land-use regression (LUR) model to assess the TRAP exposure. Furthermore, the air pollution exposure doses of commuters across the behavior-based routes are compared with those across the fastest and lowest-dose routes. The results indicate that only 5.9%–13% of lowest-dose routes do not overlap the fastest routes, and the differences in both average fine particulate matter (PM₂.₅) and nitrogen dioxide (NO₂) exposure are below 1%. However, up to 53.1%–68% of the behavior-based routes do not overlap with the fastest and lowest-dose routes, and the average accumulated exposure of the behavior-based routes exceeds those of the other routes by 7.8%–12.9%. These findings suggest an underestimation of TRAP exposure and the potential benefits of choosing cleaner routes. The results also indicate that commuters living in sub-central areas are linked with relatively larger commuting time costs and higher accumulated exposure doses. This highlights the need to focus on the environmental issues suffered by the commuters in these areas. In addition, our study suggests that behavioral science methods, such as space syntax, can shed new light on air pollution exposure research and develop targeted interventions to address related environmental problems.
    Schlagwörter active transport ; air pollution ; land use ; nitrogen dioxide ; particulates ; regression analysis ; simulation models ; China ; First and last mile ; Space syntax ; Big data ; Suburbanization ; Air pollutant exposure assessment ; Land-use regression
    Sprache Englisch
    Erscheinungsverlauf 2023-09
    Erscheinungsort Elsevier Ltd
    Dokumenttyp Artikel ; Online
    ISSN 0959-6526
    DOI 10.1016/j.jclepro.2023.138244
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  4. Artikel: Recent advances in impacts of microplastics on nitrogen cycling in the environment: A review

    Shen, Maocai / Song, Biao / Zhou, Chengyun / Almatrafi, Eydhah / Hu, Tong / Zeng, Guangming / Zhang, Yaxin

    Science of the total environment. 2022 Apr. 01, v. 815

    2022  

    Abstract: Nitrogen cycling plays a decisive role in biogeochemistry, and largely depends on microbial driven nitrogen transformation. The environmental problems caused by microplastics are becoming more serious, and the analysis and control of its pollution in the ...

    Abstract Nitrogen cycling plays a decisive role in biogeochemistry, and largely depends on microbial driven nitrogen transformation. The environmental problems caused by microplastics are becoming more serious, and the analysis and control of its pollution in the environment have become a research hotspot in the field. The nitrogen transformation and nitrogen cycling in the environment are mainly driven by microorganisms in the environment, and the existence of microplastics can affect the microbial population, abundance and type, thus affecting the transformation of nitrogen. The effect of microplastics on microorganisms involved in nitrogen transformation is briefly described. This paper mainly reviews the research progress on the impacts of microplastics on nitrogen transformation and nitrogen cycling in water, soil, sediment and sewage sludge. Microplastic type, size and concentration can cause obvious difference in the impacts of microplastics on nitrogen transformation. Then, response and mechanism of microplastics to microorganism mediated nitrogen transformation and nitrogen cycling are introduced. Processes of nitrogen transformation are affected by interfering with microorganism diversity and structure, enzyme activities and related coding genes and oxygen flux. Additionally, additives released from microplastics can also affect the microbial activity. However, mechanisms of microplastics on environmental nitrogen transformation and nitrogen cycling are not fully understood due to the lack of relevant research. There are effective strategies to evaluate complex environmental systems, prolong action time, strengthen multi factor and multi-level research, and assist molecular biology and stable isotope technology. This review article can provide valuable insights into the impact of microplastics on microorganisms mediated nitrogen transformation processes and evaluate the impact on ecological and environmental health.
    Schlagwörter environment ; environmental health ; enzymes ; microbial activity ; microplastics ; molecular biology ; nitrogen ; oxygen ; pollution ; sediments ; sewage sludge ; soil ; stable isotopes
    Sprache Englisch
    Erscheinungsverlauf 2022-0401
    Erscheinungsort Elsevier B.V.
    Dokumenttyp Artikel
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2021.152740
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  5. Artikel: Advanced oxidation processes for the elimination of microplastics from aqueous systems: Assessment of efficiency, perspectives and limitations

    Shen, Maocai / Song, Biao / Zhou, Chengyun / Hu, Tong / Zeng, Guangming / Zhang, Yaxin

    Science of the total environment. 2022 June 12,

    2022  

    Abstract: Microplastics act as a vector of heavy metals, organic pollutants, pathogens and resistance genes in the environment further aggravate the pollution of plastics. The conventional wastewater/water treatment processes can physically capture and remove most ...

    Abstract Microplastics act as a vector of heavy metals, organic pollutants, pathogens and resistance genes in the environment further aggravate the pollution of plastics. The conventional wastewater/water treatment processes can physically capture and remove most of microplastics, but the success rates varies. How to quickly remove a large amount of microplastics from aqueous system is a key research topic at present. Recently, advanced oxidation processes (AOPs) as a green elimination strategy has attracted attention because of its effective elimination, strong destruction and safety. The molecular chain of microplastics can be gradually degraded into small molecular organics until H₂O and CO₂ by strong oxidizing free radical produced by AOPs. Unfortunately, problematically, the elimination of microplastics in aqueous system by AOPs is recently carried out on a laboratory scale. The application and implementation of this strategy are restricted by long reaction time, low liquid phase degradation efficiency and the formation of nanoplastics. Generally, the technology is still in its infancy, and most studies are carried out under laboratory conditions. The degradation of microplastics in aqueous system also needs appropriate conditions, but it is not always feasible under field conditions in AOPs. Although AOPs can be used as a green degradation technology to eliminate microplastics in aqueous systems in theory, it still needs to be furtherly explored in practical application. Consequently, before AOPs as a green elimination strategy is successfully applied to the effective remove microplastics, more in-depth research is still required, such as the setting from single condition to complex environment, the transfer from laboratory scale to field scale, and systematic toxicity evaluation of corresponding products.
    Schlagwörter carbon dioxide ; environment ; free radicals ; liquids ; nanoplastics ; oxidation ; pollution ; toxicity ; wastewater ; water treatment
    Sprache Englisch
    Erscheinungsverlauf 2022-0612
    Erscheinungsort Elsevier B.V.
    Dokumenttyp Artikel
    Anmerkung Pre-press version
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2022.156723
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  6. Artikel: Analysis of South American climate and teleconnection indices

    Zhang, Chong / Huang, Guohe / Yan, Denghua / Wang, Hao / Zeng, Guangming / Wang, Siyu / Li, Yongping

    Journal of contaminant hydrology. 2022 Jan., v. 244

    2022  

    Abstract: Oceanic heat anomalies affect climate in remote regions through the atmospheric cycle. South America (SA) was the first region found associated with EI Niño, which affects the fishery, agriculture, forestry, and livestock industry of SA. As approximately ...

    Abstract Oceanic heat anomalies affect climate in remote regions through the atmospheric cycle. South America (SA) was the first region found associated with EI Niño, which affects the fishery, agriculture, forestry, and livestock industry of SA. As approximately 60% of the total water is used for agriculture, climate changes in SA caused by ocean anomalies have led to the variability of available water, especially for irrigation water. Where the precipitation is low and/or the temperature is high, the availability and quality of water resources are under pressure. For instance, droughts associated with La Niña severely limited water supply and irrigation requirements between 25°S - 40°S in west-central Argentina and central Chile. In order to study the relationship between ocean variability and the climate of SA, 19 teleconnection indices (TI) related to Ocean abnormity are considered. The 19 indices are: the sea surface temperature (SST) and their anomaly in 4 Niño regions (SST1 + 2, SST3, SST3.4, SST4, ANOM1 + 2, ANOM3, ANOM3.4, ANOM4), Southern Oscillation Index (SOI), Oceanic Niño Index (ONI), Outgoing Longwave Radiation (OLR), Arctic Oscillation (AO), North Atlantic Oscillation (NAO), Pacific Decadal Oscillation (PDO), Pacific-North America (PNA), Atlantic Multi-decadal Oscillation (AMO), West and East of Indian Ocean Dipole (IODW, IODE), and the difference between IODW and IODE (IODd). High-resolution gridded climate data (1982–2016) from the Global Precipitation Climatology Centre (GPCC), the Climate Prediction Center (CPC), and the National Centers for Environmental Prediction (NCEP) are applied for correlation analyses. The results show that the 89.4% area of South American climate has a significant correlation with the SST in Niño region 1 + 2, the mean correlation coefficient is 0.55 for NCEP precipitation and 0.54 for CPC temperature. The lag duration for the remote correlation is around 2–3 months. It is the first attempt to analyze the correlation relationship based on 19 TIs, which can provide comprehensive insight into the climate of SA at a high-resolution scale. These findings are helpful for identifying the sensitive factors that affect climate in SA, for projecting the climate variables of SA, and for managing the irrigation water resources of SA.
    Schlagwörter La Nina ; North Atlantic Oscillation ; climate models ; climatology ; fisheries ; forestry ; heat ; irrigation water ; livestock and meat industry ; meteorological data ; prediction ; surface water temperature ; terrestrial radiation ; water supply ; Arctic region ; Argentina ; Chile ; Indian Ocean
    Sprache Englisch
    Erscheinungsverlauf 2022-01
    Erscheinungsort Elsevier B.V.
    Dokumenttyp Artikel
    ZDB-ID 1494766-3
    ISSN 1873-6009 ; 0169-7722
    ISSN (online) 1873-6009
    ISSN 0169-7722
    DOI 10.1016/j.jconhyd.2021.103915
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  7. Artikel: Microplastics in landfill and leachate: Occurrence, environmental behavior and removal strategies

    Shen, Maocai / Xiong, Weiping / Song, Biao / Zhou, Chengyun / Almatrafi, Eydhah / Zeng, Guangming / Zhang, Yaxin

    Chemosphere. 2022 Oct., v. 305

    2022  

    Abstract: Plastic wastes buried in landfill are gradually broken and decomposed into microplastics under physical, chemical and biological effects, bringing environmental risks to the exploitation of waste resources. Landfill leachate as a potential source of ... ...

    Abstract Plastic wastes buried in landfill are gradually broken and decomposed into microplastics under physical, chemical and biological effects, bringing environmental risks to the exploitation of waste resources. Landfill leachate as a potential source of environmental microplastics has not good attention. Microplastics in leachate carry toxic and harmful pollutants and antibiotic resistance genes, and these vectors pose greater risks to human and environmental health without systematic treatment. Recently, the main technologies of landfill leachate treatment process include order batch activated sludge process, membrane biological reaction process, flocculation process, combined filtration process, and constructed wetland process. However, there is still little knowledge about microplastic removal of the existing leachate treatment facilities, and some technologies to alleviate the sources of such microplastics should be timely developed. This paper systematically summarizes the occurrence of plastics, microplastics and nanoplastics in leachate and their interactive pollution with other toxic pollutants. Meanwhile, the prospects of their environmental behaviors in landfill and leachate are put forward. The microplastic removal by existing leachate treatment equipment and the limitations and challenges to upgrading process of development and implementation are also discussed. The paper can provide a scientific basis for studying the fate of microplastics in landfill and leachate.
    Schlagwörter antibiotic resistance ; constructed wetlands ; environmental health ; equipment ; filtration ; flocculation ; humans ; landfill leachates ; landfills ; nanoplastics ; toxicity
    Sprache Englisch
    Erscheinungsverlauf 2022-10
    Erscheinungsort Elsevier Ltd
    Dokumenttyp Artikel
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2022.135325
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  8. Artikel: The role of microplastics in altering arsenic fractionation and microbial community structures in arsenic-contaminated riverine sediments

    Qin, Meng / Gong, Jilai / Zeng, Guangming / Song, Biao / Cao, Weicheng / Shen, Maocai / Chen, Zengping

    Journal of hazardous materials. 2022 July 05, v. 433

    2022  

    Abstract: The ability of microplastics (MPs) to interact with environmental pollutants is of great concern. Riverine sediments, as sinks for multi-pollutants, have been rarely studied for MPs risk evaluation. Meanwhile, MPs generated from biodegradable plastics ... ...

    Abstract The ability of microplastics (MPs) to interact with environmental pollutants is of great concern. Riverine sediments, as sinks for multi-pollutants, have been rarely studied for MPs risk evaluation. Meanwhile, MPs generated from biodegradable plastics are questioning the safety of the promising materials. In this study, we investigated the effects of typical non-degradable polyethylene (PE) and biodegradable polylactic acid (PLA) MPs on sediment enzymes, arsenic (As) fractionation, and microbial community structures in As-contaminated riverine sediments. The results indicated that the presence of MPs (1% and 3%, w/w) led As transformed into more labile and bioavailable fractions in riverine sediments, especially under higher As and MPs levels. Analysis on microbial activities and community structures confirmed the strong potential of MPs in inhibiting microbial activities and shifting bacterial community succession patterns through enrichment of certain microbiota. Moreover, biodegradable PLA MPs presented stronger alterations in arsenic fractionation and microbial community structures than PE MPs did, which might be jointly attributed to adsorption behaviors, microbial alterations, and potential PLA degradation behaviors. The study indicated that MPs contamination increased As mobility and bioavailability, and shifted microbial communities in riverine sediments. Moreover, biodegradable MPs might lead to stronger microbial alterations and increases in As bioavailability, acting as a threat to ecological safety, which needed further exploration.
    Schlagwörter adsorption ; arsenic ; bacterial communities ; bioavailability ; biodegradability ; fractionation ; microorganisms ; microplastics ; polyethylene ; polylactic acid ; riparian areas ; risk assessment ; sediments
    Sprache Englisch
    Erscheinungsverlauf 2022-0705
    Erscheinungsort Elsevier B.V.
    Dokumenttyp Artikel
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2022.128801
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  9. Artikel: Effects of oxytetracycline and zinc ion on nutrient removal and biomass production via microalgal culturing in anaerobic digester effluent

    Li, Xiang / Yang, Chunping / Lin, Yan / Hu, Tianjue / Zeng, Guangming

    Bioresource technology. 2022 Feb., v. 346

    2022  

    Abstract: Removal of nutrients from swine wastewater digester effluent (SWDE) by microalgae Coelastrella sp. and production of Coelastrella sp. were investigated at the presence of oxytetracycline (OTC) and Zn(II). Mechanisms of stress of OTC and Zn(II) on ... ...

    Abstract Removal of nutrients from swine wastewater digester effluent (SWDE) by microalgae Coelastrella sp. and production of Coelastrella sp. were investigated at the presence of oxytetracycline (OTC) and Zn(II). Mechanisms of stress of OTC and Zn(II) on microalgae were discussed via analyzing the removal performance of SWDE and biochemical characteristics of microalgae. Results showed that removal efficiency of ammonia nitrogen and biomass yield of microalgae at the presence of 5000 μg/L of OTC decreased by 13.1% − 50.1% and 28.2% −71.5%, respectively, when Zn concentration was increased from 0.50 mg/L to 5.0 mg/L. The presence of 5.0 mg/L Zn(II) promoted the accumulation of lipids in microalgae, and the presence of 50 μg/L OTC increased unsaturation of fatty acid methyl ester. Content of glutathione and activity of both glutamine synthetase and superoxide dismutase decreased with the increase of OTC concentration, while content of adenosine triphosphatase increased when Zn(II) concentration was also increased.
    Schlagwörter adenosinetriphosphatase ; ammonium nitrogen ; anaerobic digesters ; biomass production ; fatty acid methyl esters ; glutamate-ammonia ligase ; glutathione ; microalgae ; oxytetracycline ; superoxide dismutase ; swine ; wastewater ; zinc
    Sprache Englisch
    Erscheinungsverlauf 2022-02
    Erscheinungsort Elsevier Ltd
    Dokumenttyp Artikel
    ZDB-ID 1065195-0
    ISSN 1873-2976 ; 0960-8524
    ISSN (online) 1873-2976
    ISSN 0960-8524
    DOI 10.1016/j.biortech.2021.126667
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  10. Artikel: Sensitivity difference between skotomorphogenesis and photomorphogenesis of plants to antibiotics: A call for research

    Luo, Yuan / Liang, Jie / Zeng, Guangming

    Chemosphere. 2020 Mar., v. 242

    2020  

    Abstract: Seedling establishment consists of the former stage (i.e. skotomorphogenesis) and the latter stage (i.e. photomorphogenesis). Due to specific developmental processes in plants, the two stages may have different sensitivities to antibiotics. Tetracycline ( ...

    Abstract Seedling establishment consists of the former stage (i.e. skotomorphogenesis) and the latter stage (i.e. photomorphogenesis). Due to specific developmental processes in plants, the two stages may have different sensitivities to antibiotics. Tetracycline (TC), for example, is a major-use antibiotic. Radicle length, the relatively sensitive endpoint in plant skotomorphogenesis, is less sensitive than all of the indices of cotyledon colour and pigments in plant photomorphogenesis to TC stress. In conclusion, we suggest that plant photomorphogenesis may be more sensitive than plant skotomorphogenesis to stresses of antibiotics, but which needs further studies.
    Schlagwörter antibiotic resistance ; color ; cotyledons ; photomorphogenesis ; pigments ; plant establishment ; tetracycline
    Sprache Englisch
    Erscheinungsverlauf 2020-03
    Erscheinungsort Elsevier Ltd
    Dokumenttyp Artikel
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2019.125261
    Datenquelle NAL Katalog (AGRICOLA)

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