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  1. Artikel ; Online: Turing test - all my broken hearts.

    Owens, Gareth

    Nature

    2024  

    Sprache Englisch
    Erscheinungsdatum 2024-02-07
    Erscheinungsland England
    Dokumenttyp News
    ZDB-ID 120714-3
    ISSN 1476-4687 ; 0028-0836
    ISSN (online) 1476-4687
    ISSN 0028-0836
    DOI 10.1038/d41586-024-00331-1
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Long‐term ecological data confirm and refine conservation assessment of critically endangered swift parrots

    Owens, G. / Heinsohn, R. / Crates, R. / Stojanovic, D.

    Animal Conservation. 2023 Aug., v. 26, no. 4 p.450-463

    2023  

    Abstract: Conservation assessments of threatened species are often limited by scarce data and parameter uncertainty. Predictive models, designed to incorporate this uncertainty, may be the only tool available to inform conservation assessments for data‐deficient ... ...

    Abstract Conservation assessments of threatened species are often limited by scarce data and parameter uncertainty. Predictive models, designed to incorporate this uncertainty, may be the only tool available to inform conservation assessments for data‐deficient species, but they are used surprisingly rarely for this purpose. The swift parrot Lathamus discolor is the only critically endangered bird to be listed in Australia based on population viability analysis (PVA). We aimed to evaluate the accuracy of the 2015 conservation assessment, which used sparse information, by incorporating new detailed and long‐term data. First, we updated a range of life history parameter estimates, and then we repeated the same PVA as per the original conservation assessment. This process confirmed our earlier finding that swift parrot nests were more likely to survive in places with high mature forest cover. We identify that high forest landscape integrity and abundant hollow‐bearing trees best predict nest daily survival rates. Based on the updated PVA, we predict a 92.3% population decline over three generations (11 years). This supported the predictions of the original conservation assessment, and the main benefit of the additional data was improved confidence in projections (the magnitude and direction of the population decline were similar between the original and updated PVAs). Our results demonstrate that meaningful trends can be inferred for species with imperfect information about their life history. Using predictive models like PVAs can help managers identify which life history parameters impact most on demographic trends. This information can guide targeted data collection so that ‘draft’ models can be later updated to improve certainty around population predictions.
    Schlagwörter data collection ; forests ; landscapes ; life history ; nests ; parameter uncertainty ; parrots ; population dynamics ; population viability analysis ; threatened species ; Australia
    Sprache Englisch
    Erscheinungsverlauf 2023-08
    Umfang p. 450-463.
    Erscheinungsort John Wiley & Sons, Ltd
    Dokumenttyp Artikel ; Online
    Anmerkung JOURNAL ARTICLE
    ZDB-ID 1415242-3
    ISSN 1367-9430
    ISSN 1367-9430
    DOI 10.1111/acv.12834
    Datenquelle NAL Katalog (AGRICOLA)

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  3. Artikel ; Online: Deciphering silver nanoparticles perturbation effects and risks for soil enzymes worldwide: Insights from machine learning and soil property integration.

    Zhang, Zhenjun / Lin, Jiajiang / Owens, Gary / Chen, Zuliang

    Journal of hazardous materials

    2024  Band 469, Seite(n) 134052

    Abstract: Globally extensive research into how silver nanoparticles (AgNPs) affect enzyme activity in soils with differing properties has been limited by cost-prohibitive sampling. In this study, customized machine learning (ML) was used to extract data patterns ... ...

    Abstract Globally extensive research into how silver nanoparticles (AgNPs) affect enzyme activity in soils with differing properties has been limited by cost-prohibitive sampling. In this study, customized machine learning (ML) was used to extract data patterns from complex research, with a hit rate of Random Forest > Multiple Imputation by Chained Equations > Decision Tree > K-Nearest Neighbors. Results showed that soil properties played a pivotal role in determining AgNPs' effect on soil enzymes, with the order being pH > organic matter (OM) > soil texture ≈ cation exchange capacity (CEC). Notably, soil enzyme activity was more sensitive to AgNPs in acidic soil (pH < 5.5), while elevated OM content (>1.9 %) attenuated AgNPs toxicity. Compared to soil acidification, reducing soil OM content is more detrimental in exacerbating AgNPs' toxicity and it emerged that clay particles were deemed effective in curbing their toxicity. Meanwhile sand particles played a very different role, and a sandy soil sample at > 40 % of the water holding capacity (WHC), amplified the toxicity of AgNPs. Perturbation mapping of how soil texture alters enzyme activity under AgNPs exposure was generated, where soils with sand (45-65 %), silt (< 22 %), and clay (35-55 %) exhibited even higher probability of positive effects of AgNPs. The average calculation results indicate the sandy clay loam (75.6 %), clay (74.8 %), silt clay (65.8 %), and sandy clay (55.9 %) texture soil demonstrate less AgNPs inhibition effect. The results herein advance the prediction of the effect of AgNPs on soil enzymes globally and determine the soil types that are more sensitive to AgNPs worldwide.
    Mesh-Begriff(e) Soil/chemistry ; Silver/toxicity ; Silver/chemistry ; Clay ; Sand ; Metal Nanoparticles/toxicity ; Metal Nanoparticles/chemistry
    Chemische Substanzen Soil ; Silver (3M4G523W1G) ; Clay (T1FAD4SS2M) ; Sand
    Sprache Englisch
    Erscheinungsdatum 2024-03-15
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2024.134052
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Recovery of rare earth elements from mine wastewater using alginate microspheres encapsulated with zeolitic imidazolate framework-8.

    Zhang, Chenxin / Chen, Wei / Owens, Gary / Chen, Zuliang

    Journal of hazardous materials

    2024  Band 471, Seite(n) 134435

    Abstract: There is increasing demand and interest in efficient methods for the recovery of rare earth elements (REEs) from wastewater because of the growing concerns associated with the negative impacts of REEs-rich waste discharged on pristine ecosystems. Here, ... ...

    Abstract There is increasing demand and interest in efficient methods for the recovery of rare earth elements (REEs) from wastewater because of the growing concerns associated with the negative impacts of REEs-rich waste discharged on pristine ecosystems. Here, we designed a ZIF-8@ALG composite hydrogel by encapsulating zeolitic imidazolate frameworks-8 (ZIF-8) into sodium alginate and poly (vinyl alcohol) double cross-linked networks (ALG) for the recovery of REEs from mine wastewater. ZIF-8@ALG showed exceptional REEs adsorption performance with the most superior separation factor (Ho/Mn) of 597.5. For the REEs considered, the ZIF-8@ALG composite exhibited a preference for heavy REEs with high adsorption efficiencies (65.3 ∼ 97.2%) and distribution coefficients (2045.5 ∼ 28500.0 mL·g
    Sprache Englisch
    Erscheinungsdatum 2024-04-26
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2024.134435
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: Corrigendum to 'Deciphering silver nanoparticle perturbates effect and risk on soil enzymes worldwide: Insights from machine learning and soil property integration' [J. Hazard. Mater., 469 (2024), 134052].

    Zhang, Zhenjun / Lin, Jiajiang / Owens, Gary / Chen, Zuliang

    Journal of hazardous materials

    2024  Band 470, Seite(n) 134197

    Sprache Englisch
    Erscheinungsdatum 2024-04-09
    Erscheinungsland Netherlands
    Dokumenttyp Published Erratum
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2024.134197
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  6. Artikel ; Online: Intensive ammonium fertilizer addition activates iron and carbon conversion coupled cadmium redistribution in a paddy soil under gradient redox conditions.

    Wu, Weiqin / Su, Shixun / Lin, Jiajiang / Owens, Gary / Chen, Zuliang

    The Science of the total environment

    2024  Band 927, Seite(n) 172179

    Abstract: While over-fertilization and nitrogen deposition can lead to the enrichment of nitrogen in soil, its effects on heavy metal fractions under gradient moisture conditions remains unclear. Here, the effect of intensive ammonium ( ... ...

    Abstract While over-fertilization and nitrogen deposition can lead to the enrichment of nitrogen in soil, its effects on heavy metal fractions under gradient moisture conditions remains unclear. Here, the effect of intensive ammonium (NH
    Mesh-Begriff(e) Cadmium/analysis ; Iron ; Soil/chemistry ; Carbon ; Fertilizers ; Oxidation-Reduction ; Ammonium Compounds ; Soil Pollutants/analysis ; Agriculture/methods ; Oryza/metabolism
    Chemische Substanzen Cadmium (00BH33GNGH) ; Iron (E1UOL152H7) ; Soil ; Carbon (7440-44-0) ; Fertilizers ; Ammonium Compounds ; Soil Pollutants
    Sprache Englisch
    Erscheinungsdatum 2024-04-04
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2024.172179
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  7. Artikel ; Online: Ferrous sulfide nanoparticles can be biosynthesized by sulfate-reducing bacteria: Synthesis, characterization and removal of heavy metals from acid mine drainage.

    Chen, Jinyang / Gan, Li / Han, Yonghe / Owens, Gary / Chen, Zuliang

    Journal of hazardous materials

    2024  Band 466, Seite(n) 133622

    Abstract: Ferrous sulfide nanoparticles (nFeS) have proven to be effective in removing heavy metals (HMs) from wastewater. One such approach, which has garnered much attention as a sustainable technology, is via the in situ microbial synthesis of nFeS. Here, a ... ...

    Abstract Ferrous sulfide nanoparticles (nFeS) have proven to be effective in removing heavy metals (HMs) from wastewater. One such approach, which has garnered much attention as a sustainable technology, is via the in situ microbial synthesis of nFeS. Here, a sulfate-reducing bacteria (SRB) strain, Geobacter sulfurreducens, was used to initially biosynthesize ferrous sulfide nanoparticles (SRB-nFeS) and thereafter remove HMs from acid mine drainage (AMD). SRB-nFeS was characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) coupled to an energy dispersive spectrometer (EDS), three-dimensional excitation-emission matrix (3D-EEM) spectroscopy, Fourier transform infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS). Such characterization showed that SRB mediated the reduction of SO
    Mesh-Begriff(e) Sulfates/chemistry ; Metals, Heavy/chemistry ; Desulfovibrio/metabolism ; Bacteria/metabolism ; Acids/metabolism ; Ferrous Compounds
    Chemische Substanzen ferrous sulfide (TH5J4TUX6S) ; Sulfates ; Metals, Heavy ; Acids ; Ferrous Compounds
    Sprache Englisch
    Erscheinungsdatum 2024-01-24
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2024.133622
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Artikel ; Online: Enhanced removal of Pb(II) from acid mine drainage using green reduced graphene oxide/silver nanoparticles.

    Xu, Xinmiao / Weng, Xiulan / Li, Jiabing / Owens, Gary / Chen, Zuliang

    The Science of the total environment

    2024  Band 931, Seite(n) 173001

    Abstract: Mining activities can potentially release high levels of Pb(II) in acid mine drainage (AMD), which thereafter poses a significant threat to ecological security. In this study, green reduced graphene oxide/silver nanoparticles (rGO/Ag NPs) were ... ...

    Abstract Mining activities can potentially release high levels of Pb(II) in acid mine drainage (AMD), which thereafter poses a significant threat to ecological security. In this study, green reduced graphene oxide/silver nanoparticles (rGO/Ag NPs) were successfully synthesized via a one-step approach using a green tea extract and subsequently used as a cost-effective absorbent to remove Pb(II) from AMD. Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy indicated that organic functional groups in the green tea extracts, such as C=O-C, CO, and CC, acted both as reductants and stabilizers in the synthesis of rGO/Ag NPs. In addition, the removal efficiency of Pb(II) by rGO/Ag NPs (84.2 %) was much better than either rGO (75.4 %) or Ag NPs (12.3 %) alone. Also, in real AMD, the distribution coefficient (K
    Sprache Englisch
    Erscheinungsdatum 2024-05-06
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2024.173001
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  9. Artikel ; Online: Removal of As(III) using a microorganism sustained secrete laccase-straw oxidation system.

    Cai, Xiaonan / Xue, Chao / Owens, Gary / Chen, Zuliang

    Journal of hazardous materials

    2023  Band 448, Seite(n) 130967

    Abstract: While laccase oxidation is a novel and promising method for treating arsenite-containing wastewater, the high cost and unsustainability of commercially available enzymes indicate a need to investigate more cost-effective viable alternatives. Here, a ... ...

    Abstract While laccase oxidation is a novel and promising method for treating arsenite-containing wastewater, the high cost and unsustainability of commercially available enzymes indicate a need to investigate more cost-effective viable alternatives. Here, a microorganism sustained secrete laccase-straw oxidation system (MLOS) was established and subsequently evaluated for the removal of As(III). MLOS showed efficient biological As(III) oxidation, with an As(III) removal efficiency reaching 99.9% at an initial As(III) concentration of 1.0 mg·L
    Mesh-Begriff(e) Wastewater ; Laccase/metabolism ; Molecular Docking Simulation ; Oxidation-Reduction ; Arsenic/metabolism
    Chemische Substanzen Wastewater ; Laccase (EC 1.10.3.2) ; Arsenic (N712M78A8G)
    Sprache Englisch
    Erscheinungsdatum 2023-02-07
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2023.130967
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  10. Artikel ; Online: E G Gerald Roberts.

    Owens, Geraint

    BMJ (Clinical research ed.)

    2017  Band 356, Seite(n) j501

    Sprache Englisch
    Erscheinungsdatum 2017--30
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 1362901-3
    ISSN 1756-1833 ; 0959-8154 ; 0959-8146 ; 0959-8138 ; 0959-535X ; 1759-2151
    ISSN (online) 1756-1833
    ISSN 0959-8154 ; 0959-8146 ; 0959-8138 ; 0959-535X ; 1759-2151
    DOI 10.1136/bmj.j501
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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