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  1. Article ; Online: Synergistic improvement of humus formation in compost residue by fenton-like and effective microorganism composite agents.

    Zhuo Cai, Jun / Lan Yu, Ying / Biao Yang, Zhan / Xun Xu, Xiao / Chun Lv, Guo / Lian Xu, Chang / Yin Wang, Gui / Qi, Xin / Li, Ting / Bon Man, Yu / Hung Wong, Ming / Cheng, Zhang

    Bioresource technology

    2024  Volume 400, Page(s) 130703

    Abstract: Improving the humification of compost through a synergistic approach of biotic and abiotic methods is of great significance. This study employed a composite reagent, comprising Fenton-like agents and effective microorganisms (EM) to improve humification. ...

    Abstract Improving the humification of compost through a synergistic approach of biotic and abiotic methods is of great significance. This study employed a composite reagent, comprising Fenton-like agents and effective microorganisms (EM) to improve humification. This composite reagent increased humic-acid production by 37.44 %, reaching 39.82 g kg
    MeSH term(s) Humic Substances ; Composting/methods ; Iron/chemistry ; Iron/pharmacology ; Hydrogen Peroxide/pharmacology ; Brassica ; Soil Microbiology ; Soil/chemistry ; Bacteria ; Fertilizers ; Benzopyrans
    Chemical Substances Humic Substances ; Iron (E1UOL152H7) ; Hydrogen Peroxide (BBX060AN9V) ; Fenton's reagent ; Soil ; fulvic acid (XII14C5FXV) ; Fertilizers ; Benzopyrans
    Language English
    Publishing date 2024-04-15
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1065195-0
    ISSN 1873-2976 ; 0960-8524
    ISSN (online) 1873-2976
    ISSN 0960-8524
    DOI 10.1016/j.biortech.2024.130703
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    Z 3258: Show issues

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  2. Article ; Online: Corrigendum to "Co-production of polysaccharides, ginsenosides and succinic acid from panax ginseng residue: A typical industrial herbal waste" [Bioresource Technology 331 (2021) 125073].

    Su, Xinyao / Xue, Qiang / Sun, Mengchu / Liu, Jiarou / Hung Wong, Ming / Wang, Caixia / Chen, Shilin

    Bioresource technology

    2021  Volume 341, Page(s) 125889

    Language English
    Publishing date 2021-09-09
    Publishing country England
    Document type Published Erratum
    ZDB-ID 1065195-0
    ISSN 1873-2976 ; 0960-8524
    ISSN (online) 1873-2976
    ISSN 0960-8524
    DOI 10.1016/j.biortech.2021.125889
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  3. Article: Role and possible mechanisms of earthworm Eisenia fetida in the elimination of microcystin-LR in soil

    Liu, Bai-Lin / Li, Yan-Wen / Guo, Jing-Jie / Xiang, Lei / Zhao, Hai-Ming / Feng, Nai-Xian / Li, Hui / Cai, Quan-Ying / Mo, Ce-Hui / Hung Wong, Ming

    Geoderma. 2021 June 15, v. 392

    2021  

    Abstract: A better understanding of microcystin elimination in soil will boost the development of effective strategies to mitigate associated contamination. This study addressed the role and mechanism by which earthworm Eisenia fetida take part in the elimination ... ...

    Abstract A better understanding of microcystin elimination in soil will boost the development of effective strategies to mitigate associated contamination. This study addressed the role and mechanism by which earthworm Eisenia fetida take part in the elimination of microcystin-LR (MC-LR) in soil. The degradation kinetics of MC-LR exhibited good fits with the availability-adjusted first-order kinetic model (R² > 0.97), where >71% of the toxin was rapidly eliminated within the initial eight days (t₁/₂ = 2.34–3.07 days). E. fetida significantly accelerated MC-LR elimination, with a less t₁/₂ of 1.09–1.12 days; however, E. fetida did not further improve the final elimination efficiencies on Day 29 (82.59–93.57% with E. fetida vs. 82.96–92.34% without E. fetida). In soil, E. fetida accelerated MC-LR elimination mainly via biodegradation arising from elevated total organic carbon, enhanced enzyme activities (urease and sucrase) and ameliorations of bacterial bioactivity, diversity and abundance. Indigenous bacteria of Methylophilus and Methylovorus, as well as earthworm-derived Flavobacterium, were considered as potential bacterial degraders for MC-LR. These findings elaborate on the variations in soil properties and soil bacterial community structure and diversity that occurs during MC-LR elimination and lay a foundation for controlling MC-LR contamination in the soil environment.
    Keywords Eisenia fetida ; Flavobacterium ; Methylophilus ; Methylovorus ; bioactive properties ; biodegradation ; earthworms ; kinetics ; microcystin-LR ; soil ; sucrose alpha-glucosidase ; total organic carbon ; urease
    Language English
    Dates of publication 2021-0615
    Publishing place Elsevier B.V.
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 281080-3
    ISSN 1872-6259 ; 0016-7061
    ISSN (online) 1872-6259
    ISSN 0016-7061
    DOI 10.1016/j.geoderma.2021.114980
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  4. Article: Mercury levels in road dust and household TSP/PM2.5 related to concentrations in hair in Guangzhou, China

    Huang, Minjuan / Wang, Wei / Leung, Homan / Yu Chan, Chuen / Keung Liu, Wing / Hung Wong, Ming / Chung Cheung, Kwai

    Ecotoxicology and environmental safety. 2012 July 1, v. 81

    2012  

    Abstract: Road dust, household total suspended particulate matters (TSP) and PM2.5 were collected in urban area of Guangzhou, south of China, to investigate the concentrations of total mercury (THg) and methyl mercury (MeHg). The household PM2.5 concentrations ... ...

    Abstract Road dust, household total suspended particulate matters (TSP) and PM2.5 were collected in urban area of Guangzhou, south of China, to investigate the concentrations of total mercury (THg) and methyl mercury (MeHg). The household PM2.5 concentrations varied between 16.2 and 623μg/m3. The average PM2.5 level (174μg/m3) from all of the locations exceeded 24-h concentration from WHO air quality guideline The average concentrations of THg and MeHg were: 235μg/kg and 0.392μg/kg in road dust, 600μg/kg and 1.49μg/kg in TSP; 1006μg/kg (104pg/m3) and 1.40μg/kg (0.134pg/m3) in PM2.5. Risk assessment showed that the Hazardous quotients (HQs) of exposure to Hg and MeHg via road dust and TSP were less than 1, indicating that no adverse risk was manifested. Ingestion of dust was found to constitute a relatively minor pathway of Guangzhou residents′ exposure to Hg. Furthermore, human hair samples from 88 Guangzhou citizens were also analyzed to investigate the mercury accumulation in human body in Guangzhou. The average concentrations of THg and MeHg in human hair samples were 869±831μg/kg and 104±108μg/kg respectively. However, no significant correlations of the mercury species were noted between human hair and road dust, TSP and PM2.5.
    Keywords World Health Organization ; air quality ; hairs ; households ; mercury ; methylmercury compounds ; particulates ; risk assessment ; roads ; urban areas ; China
    Language English
    Dates of publication 2012-0701
    Size p. 27-35.
    Publishing place Elsevier Inc.
    Document type Article
    ZDB-ID 436536-7
    ISSN 0147-6513
    ISSN 0147-6513
    DOI 10.1016/j.ecoenv.2012.04.010
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  5. Article ; Online: Assessment of typical pollutants in waterborne by combining active biomonitoring and integrated biomarkers response.

    He, Xiuting / Nie, Xiangping / Wang, Zhaohui / Cheng, Zhang / Li, Kaibin / Li, Guiying / Hung Wong, Ming / Liang, Ximei / Tsui, Martin T K

    Chemosphere

    2011  Volume 84, Issue 10, Page(s) 1422–1431

    Abstract: Organic pollutants, heavy metals and pharmaceuticals are continuously dispersed into the environment and have become a relevant environmental emerging concern. In this study, a situ assay to assess ecotoxicity of mixed pollutants was carried out in three ...

    Abstract Organic pollutants, heavy metals and pharmaceuticals are continuously dispersed into the environment and have become a relevant environmental emerging concern. In this study, a situ assay to assess ecotoxicity of mixed pollutants was carried out in three typical sites with different priority contaminations in Guangzhou, China. Chemical analysis of organic pollutants, metals and quinolones in three exposure sites were determined by GC-ECD/MS, ICP-AES and HPLC, as well as, a combination of biomarkers including: ethoxyresorufin O-deethylase (EROD); aminopyrine N-demethylase (APND); erythromycin N-demethylase (ERND); glutathione S-transferase (GST); malondialdehyde (MDA); CYP1A; and P-glycoprotein (P-gp) mRNA expressions were evaluated in Mugilogobius abei. Results of chemical analysis in sediment samples revealed that the dominant chemicals were organic pollutants and heavy metals in Huadi River while quinolones in the pond. Bioassays indicated that differences among sites were in relation to some specific biomarkers. EROD and GST activities significantly increased after 72 h in situ exposure, but no difference was observed among the exposure sites. APND, ERND and MDA exhibited dissimilar change patterns for different priority pollutants. CYP1A and P-gp mRNA expressions were significantly induced at all exposure sites, whilst P-gp activity was typical for S2 with the highest levels of quinolones. The molecular biomarkers seemed to be more susceptible than enzyme activities. These assays confirmed the usefulness of applying a large array of various combined biomarkers at different levels, in assessing the toxic effects of mixed pollutants in a natural aquatic environment.
    MeSH term(s) ATP-Binding Cassette, Sub-Family B, Member 1/genetics ; ATP-Binding Cassette, Sub-Family B, Member 1/metabolism ; Aminopyrine N-Demethylase/metabolism ; Animals ; Biomarkers/metabolism ; Cytochrome P-450 CYP1A1/metabolism ; Cytochrome P-450 CYP3A/metabolism ; Environmental Monitoring/methods ; Fishes/metabolism ; Gene Expression/genetics ; Glutathione Transferase/metabolism ; Hydrocarbons, Chlorinated/toxicity ; Malondialdehyde/metabolism ; Metals, Heavy/toxicity ; Polycyclic Aromatic Hydrocarbons/toxicity ; Rivers/chemistry ; Water Pollutants, Chemical/toxicity
    Chemical Substances ATP-Binding Cassette, Sub-Family B, Member 1 ; Biomarkers ; Hydrocarbons, Chlorinated ; Metals, Heavy ; Polycyclic Aromatic Hydrocarbons ; Water Pollutants, Chemical ; Malondialdehyde (4Y8F71G49Q) ; Cytochrome P-450 CYP1A1 (EC 1.14.14.1) ; Cytochrome P-450 CYP3A (EC 1.14.14.1) ; Aminopyrine N-Demethylase (EC 1.5.3.-) ; Glutathione Transferase (EC 2.5.1.18)
    Language English
    Publishing date 2011-09
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    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.2011.04.054
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2540: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
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  6. Article: Assessment of typical pollutants in waterborne by combining active biomonitoring and integrated biomarkers response

    He, Xiuting / Nie, Xiangping / Wang, Zhaohui / Cheng, Zhang / Li, Kaibin / Li, Guiying / Hung Wong, Ming / Liang, Ximei / Tsui, Martin T.K

    Chemosphere. 2011 Sept., v. 84, no. 10

    2011  

    Abstract: Organic pollutants, heavy metals and pharmaceuticals are continuously dispersed into the environment and have become a relevant environmental emerging concern. In this study, a situ assay to assess ecotoxicity of mixed pollutants was carried out in three ...

    Abstract Organic pollutants, heavy metals and pharmaceuticals are continuously dispersed into the environment and have become a relevant environmental emerging concern. In this study, a situ assay to assess ecotoxicity of mixed pollutants was carried out in three typical sites with different priority contaminations in Guangzhou, China. Chemical analysis of organic pollutants, metals and quinolones in three exposure sites were determined by GC–ECD/MS, ICP-AES and HPLC, as well as, a combination of biomarkers including: ethoxyresorufin O-deethylase (EROD); aminopyrine N-demethylase (APND); erythromycin N-demethylase (ERND); glutathione S-transferase (GST); malondialdehyde (MDA); CYP1A; and P-glycoprotein (P-gp) mRNA expressions were evaluated in Mugilogobius abei. Results of chemical analysis in sediment samples revealed that the dominant chemicals were organic pollutants and heavy metals in Huadi River while quinolones in the pond. Bioassays indicated that differences among sites were in relation to some specific biomarkers. EROD and GST activities significantly increased after 72h in situ exposure, but no difference was observed among the exposure sites. APND, ERND and MDA exhibited dissimilar change patterns for different priority pollutants. CYP1A and P-gp mRNA expressions were significantly induced at all exposure sites, whilst P-gp activity was typical for S2 with the highest levels of quinolones. The molecular biomarkers seemed to be more susceptible than enzyme activities. These assays confirmed the usefulness of applying a large array of various combined biomarkers at different levels, in assessing the toxic effects of mixed pollutants in a natural aquatic environment.
    Keywords aquatic environment ; bioassays ; biomarkers ; chemical analysis ; drugs ; ecotoxicology ; enzyme activity ; gene expression ; glutathione transferase ; heavy metals ; high performance liquid chromatography ; malondialdehyde ; messenger RNA ; pollutants ; ponds ; quinolones ; rivers ; toxicity ; China
    Language English
    Dates of publication 2011-09
    Size p. 1422-1431.
    Publishing place Elsevier Ltd
    Document type Article
    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.2011.04.054
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Cologne/Königswinter

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