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Environmental Sciences Europe

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https://www.readbyqxmd.com/read/28337404/revising-reach-guidance-on-information-requirements-and-chemical-safety-assessment-for-engineered-nanomaterials-for-aquatic-ecotoxicity-endpoints-recommendations-from-the-envnano-project
#1
Steffen Foss Hansen, Sara Nørgaard Sørensen, Lars Michael Skjolding, Nanna B Hartmann, Anders Baun
The European Chemical Agency (ECHA) is in the process of revising its guidance documents on how to address the challenges of ecotoxicological testing of nanomaterials. In these revisions, outset is taken in the hypothesis that ecotoxicological test methods, developed for soluble chemicals, can be made applicable to nanomaterials. European Research Council project EnvNano-Environmental Effects and Risk Evaluation of Engineered, which ran from 2011 to 2016, took another outset by assuming that: "The behaviour of nanoparticles in suspension is fundamentally different from that of chemicals in solution"...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28337403/an-expanded-conceptual-framework-for-solution-focused-management-of-chemical-pollution-in-european-waters
#2
John Munthe, Eva Brorström-Lundén, Magnus Rahmberg, Leo Posthuma, Rolf Altenburger, Werner Brack, Dirk Bunke, Guy Engelen, Bernd Manfred Gawlik, Jos van Gils, David López Herráez, Tomas Rydberg, Jaroslav Slobodnik, Annemarie van Wezel
BACKGROUND: This paper describes a conceptual framework for solutions-focused management of chemical contaminants built on novel and systematic approaches for identifying, quantifying and reducing risks of these substances. METHODS: The conceptual framework was developed in interaction with stakeholders representing relevant authorities and organisations responsible for managing environmental quality of water bodies. Stakeholder needs were compiled via a survey and dialogue...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28331779/reply-to-the-efsa-2016-on-the-relevance-of-recent-publications-hofmann-et-al-2014-2016-on-environmental-risk-assessment-and-management-of-bt-maize-events-mon810-bt11-and-1507
#3
EDITORIAL
Maren Kruse-Plass, Frieder Hofmann, Ulrike Kuhn, Mathias Otto, Ulrich Schlechtriemen, Boris Schröder, Rudolf Vögel, Werner Wosniok
In this commentary, we respond to a report of the EFSA GMO Panel (EFSA EFSA Supp Publ, 1) that criticises the outcomes of two studies published in this journal (Hofmann et al. Environ Sci Eur 26: 24, 2; Environ Sci Eur 28: 14, 3). Both publications relate to the environmental risk assessment and management of Bt-maize, including maize events MON810, Bt11 and maize 1507. The results of Hofmann et al. (Environ Sci Eur 26: 24, 2), using standardised pollen mass filter deposition measurements, indicated that the EFSA Panel model had underestimated pollen deposition and, hence, exposure of non-target organisms to Bt-maize pollen...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28316900/influence-of-environmental-factors-on-biodegradation-of-quinalphos-by-bacillus-thuringiensis
#4
Venkata Subba Reddy Gangireddygari, Praveen Kumar Kalva, Khayalethu Ntushelo, Manjunatha Bangeppagari, Arnaud Djami Tchatchou, Rajasekhar Reddy Bontha
BACKGROUND: The extensive and intensive uses of organophosphorus insecticide-quinalphos in agriculture, pose a health hazard to animals, humans, and environment because of its persistence in the soil and crops. However, there is no much information available on the biodegradation of quinalphos by the soil micro-organisms, which play a significant role in detoxifying pesticides in the environment; so research is initiated in biodegradation of quinalphos. RESULTS: A soil bacterium strain, capable of utilizing quinalphos as its sole source of carbon and energy, was isolated from soil via the enrichment method on minimal salts medium (MSM)...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28316899/water-quality-assessment-in-the-german-river-of-the-years-2014-2015-how-a-case-study-on-the-impact-of-a-storm-water-sedimentation-basin-displayed-impairment-of-fish-health-in-the-argen-river-southern-germany
#5
Paul Thellmann, Bertram Kuch, Karl Wurm, Heinz-R Köhler, Rita Triebskorn
BACKGROUND: The present work investigates the impact of discharges from a storm water sedimentation basin (SSB) receiving runoff from a connected motorway in southern Germany. The study lasted for almost two years and was aimed at assessing the impact of the SSB on the fauna of the Argen River, which is a tributary of Lake Constance. Two sampling sites were examined up- and downstream of the SSB effluent. A combination of different diagnostic methods (fish embryo test with the zebrafish, histopathology, micronucleus test) was applied to investigate health impairment and genotoxic effects in indigenous fish as well as embryotoxic potentials in surface water and sediment samples of the Argen River, respectively, in samples of the SSB effluent...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28316898/phytostabilizing-challenging-mine-wastes-at-the-cost-of-phytostabilization
#6
Xiaofang Li
No abstract text is available yet for this article.
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28261537/are-limits-of-concern-a-useful-concept-to-improve-the-environmental-risk-assessment-of-gm-plants
#7
Marion Dolezel, Marianne Miklau, Andreas Heissenberger, Wolfram Reichenbecher
BACKGROUND: The European Food Safety Authority (EFSA) has introduced a concept for the environmental risk assessment of genetically modified (GM) plants which foresees the definition of ecological threshold values defining acceptable adverse effects of the GM plant on the environment (Limits of Concern, LoC). METHODS: We analysed the LoC concept by scrutinising its feasibility with regard to important aspects of the environmental risk assessment. We then considered its relationship with protection goals, the comparative safety assessment and the stepwise testing approach...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28239534/transcriptome-and-metabolome-analysis-of-liver-and-kidneys-of-rats-chronically-fed-nk603-roundup-tolerant-genetically-modified-maize
#8
Robin Mesnage, Matthew Arno, Gilles-Eric Séralini, Michael N Antoniou
BACKGROUND: A previous 2-year rat feeding trial assessing potential toxicity of NK603 Roundup-tolerant genetically modified maize revealed blood and urine biochemical changes indicative of liver and kidney pathology. In an effort to obtain deeper insight into these findings, molecular profiling of the liver and kidneys from the same animals was undertaken. RESULTS: Transcriptomics showed no segregation of NK603 maize and control feed groups with false discovery rates ranging from 43 to 83% at a cut-off p value of 1%...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28163993/herbicide-resistance-and-biodiversity-agronomic-and-environmental-aspects-of-genetically-modified-herbicide-resistant-plants
#9
REVIEW
Gesine Schütte, Michael Eckerstorfer, Valentina Rastelli, Wolfram Reichenbecher, Sara Restrepo-Vassalli, Marja Ruohonen-Lehto, Anne-Gabrielle Wuest Saucy, Martha Mertens
Farmland biodiversity is an important characteristic when assessing sustainability of agricultural practices and is of major international concern. Scientific data indicate that agricultural intensification and pesticide use are among the main drivers of biodiversity loss. The analysed data and experiences do not support statements that herbicide-resistant crops provide consistently better yields than conventional crops or reduce herbicide amounts. They rather show that the adoption of herbicide-resistant crops impacts agronomy, agricultural practice, and weed management and contributes to biodiversity loss in several ways: (i) many studies show that glyphosate-based herbicides, which were commonly regarded as less harmful, are toxic to a range of aquatic organisms and adversely affect the soil and intestinal microflora and plant disease resistance; the increased use of 2,4-D or dicamba, linked to new herbicide-resistant crops, causes special concerns...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28163992/an-experiment-on-the-impact-of-a-neonicotinoid-pesticide-on-honeybees-the-value-of-a-formal-analysis-of-the-data
#10
Robert S Schick, Jeremy J D Greenwood, Stephen T Buckland
BACKGROUND: We assess the analysis of the data resulting from a field experiment conducted by Pilling et al. (PLoS ONE. doi: 10.1371/journal.pone.0077193, 5) on the potential effects of thiamethoxam on honeybees. The experiment had low levels of replication, so Pilling et al. concluded that formal statistical analysis would be misleading. This would be true if such an analysis merely comprised tests of statistical significance and if the investigators concluded that lack of significance meant little or no effect...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28163991/environmental-chemistry-and-ecotoxicology-in-greater-demand-than-ever
#11
EDITORIAL
Martin Scheringer
Environmental chemistry and ecotoxicology have been losing support, resources, and recognition at universities for many years. What are the possible causes of this process? A first problem may be that the need for research and teaching in environmental chemistry and ecotoxicology is no longer seen because chemical pollution problems are considered as largely solved. Second, environmental chemistry and ecotoxicology may be seen as fields dominated by routine work and where there are not many interesting research questions left...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28163990/authors-response-on-schick-et-al-2017-an-experiment-of-the-impact-of-a-neonicotinoid-pesticide-on-honey-bees-the-value-of-a-formal-analysis-of-the-data-environ-sci-eur-2017
#12
EDITORIAL
Peter Campbell, Mike Coulson, Keith Ward
Whilst a formal statistical analysis of any experimental data is always preferable in principle, in the case of Pilling et al. (PLoS ONE 8:e77193, 2013), it is hard to see how the results of any formal analysis-including those provided by Schick et al.-could be considered reliable. Regardless of the issue of statistical analysis, there was a wealth of valuable and novel biological and chemical residue data generated under field conditions of use in Pilling et al., which when taken into consideration alongside other relevant available published data and information (i...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28133586/possible-health-impacts-of-bt-toxins-and-residues-from-spraying-with-complementary-herbicides-in-genetically-engineered-soybeans-and-risk-assessment-as-performed-by-the-european-food-safety-authority-efsa
#13
REVIEW
Christoph Then, Andreas Bauer-Panskus
BACKGROUND: MON89788 was the first genetically engineered soybean worldwide to express a Bt toxin. Under the brand name Intacta, Monsanto subsequently engineered a stacked trait soybean using MON89788 and MON87701-this stacked soybean expresses an insecticidal toxin and is, in addition, tolerant to glyphosate. After undergoing risk assessment by the European Food Safety Authority (EFSA), the stacked event was authorised for import into the EU in June 2012, including for use in food and feed...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28090425/spread-of-volunteer-and-feral-maize-plants-in-central-europe-recent-data-from-austria
#14
Kathrin Pascher
The occurrence of volunteer maize plants in subsequent crops as well as of feral maize plants in non-agricultural areas is an essential issue in risk assessments of genetically modified (GM) maize, with regard to possible contamination of natural habitats with GM material and as contribution to the total adventitious GM content of the non-GM final product. The appearance of feral maize plants has been confirmed for non-agricultural habitats in European areas with Mediterranean climate such as Spain. However, the existence of maize volunteers and feral maize outside cultivation under Central European continental climatic conditions is considered to be extremely unlikely in those winter-cold areas...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28003950/toward-understanding-the-impacts-of-sediment-contamination-on-a-native-fish-species-transcriptional-effects-erod-activity-and-biliary-pah-metabolites
#15
Sven Koglin, Ulrike Kammann, Kathrin Eichbaum, Mathias Reininghaus, Bryanna Eisner, Steve Wiseman, Markus Hecker, Sebastian Buchinger, Georg Reifferscheid, Henner Hollert, Markus Brinkmann
BACKGROUND: Both frequency and intensity of flood events are expected to increase as a result of global climate change in the upcoming decades, potentially resulting in increased re-suspension of sediments in fluvial systems. Contamination of these re-suspended sediments with legacy contaminants, including dioxins and dioxin-like compounds (DLCs), as well as polycyclic aromatic hydrocarbons (PAHs) is of great ecotoxicological concern. DLCs, and to some extent also PAHs, exhibit their toxicity through activation of the aryl hydrocarbon receptor (AhR)...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27942424/levels-of-dna-methylation-and-transcript-accumulation-in-leaves-of-transgenic-maize-varieties
#16
Vinicius Vilperte, Sarah Zanon Agapito-Tenfen, Odd-Gunnar Wikmark, Rubens Onofre Nodari
BACKGROUND: Prior to their release in the environment, transgenic crops are examined for their health and environmental safety. In addition, transgene expression needs to be consistent in order to express the introduced trait (e.g. insecticidal and/or herbicide tolerance). Moreover, data on expression levels for GM events are usually required for approval, but these are rarely disclosed or they are considered insufficient. On the other hand, biosafety regulators do not consider epigenetic regulation (e...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27882277/effect-of-silver-nanoparticles-on-the-standard-soil-arthropod-folsomia-candida-collembola-and-the-eukaryote-model-organism-saccharomyces-cerevisiae
#17
Panwad Sillapawattana, Martin C H Gruhlke, Andreas Schäffer
BACKGROUND: Because of their antimicrobial properties, silver nanoparticles (AgNPs) have been widely used and have come into contact with the environment. In the present work, an effect of AgNPs on a standard soil organism, Folsomia candida, was studied (in comparison to silver nitrate) focusing on molecular and cellular alterations as ecotoxicological endpoints. RESULTS: At the molecular level, an up-regulation of metallothionein-containing protein (MTC) mRNA in AgNP-treated groups indicated toxic heavy metal stress effects caused by the release of silver ions from AgNPs, which is similar to animal groups treated with silver nitrate...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27867807/screening-for-potential-endocrine-disruptors-in-fish-evidence-from-structural-alerts-and-in-vitro-and-in-vivo-toxicological-assays
#18
Monika Nendza, Andrea Wenzel, Martin Müller, Geertje Lewin, Nelly Simetska, Frauke Stock, Jürgen Arning
BACKGROUND: The European chemicals' legislation REACH aims to protect man and the environment from substances of very high concern (SVHC). Chemicals like endocrine disruptors (EDs) may be subject to authorization. Identification of (potential) EDs with regard to the environment is limited because specific experimental assessments are not standard requirements under REACH. Evidence is based on a combination of in vitro and in vivo experiments (if available), expert judgement, and structural analogy with known EDs...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27867806/bile-metabolites-of-polycyclic-aromatic-hydrocarbons-pahs-in-three-species-of-fish-from-morocco
#19
Ayoub Baali, Ulrike Kammann, Reinhold Hanel, Ikram El Qoraychy, Ahmed Yahyaoui
BACKGROUND: Polycyclic aromatic hydrocarbons (PAH) are environmental contaminants that pose significant risk to health of fish. Environmental pollution of fish is a topic of rising attention in Morocco. However, only few studies have been carried out so far, describing the potential threat of organic pollution to Moroccan aquatic ecosystem. Two polycyclic aromatic hydrocarbon (PAH) metabolites, 1-hydroxypyrene (1-OH-Pyr) and 1-hydroxyphenanthrene (1-OH-Phen), were identified and quantified from the bile of 18 European eels (Anguilla anguilla), 7 Moray (Muraenidae), and 28 Conger eels (Conger conger) collected from Moulay Bousselham lagoon and Boujdour coast...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27840787/since-2015-the-sinogerman-research-project-sign-supports-water-quality-improvement-in-the-taihu-region-china
#20
Kathrin Rachel Schmidt, Tim Aus der Beek, Xiaohu Dai, Bingzhi Dong, Elke Dopp, Florian Eichinger, Monika Hammers-Wirtz, Regina Haußmann, Andreas Holbach, Henner Hollert, Marc Illgen, Xia Jiang, Jan Koehler, Stephan Koester, Andreas Korth, Stephan Kueppers, Aili Li, Matthias Lohmann, Christian Moldaenke, Stefan Norra, Boqiang Qin, Yanwen Qin, Moritz Reese, Edmund Riehle, Beatrix Santiago-Schuebel, Charlotte Schaefer, Anne Simon, Yonghui Song, Christian Staaks, Joerg Steinhardt, Guenter Subklew, Tao Tao, Tingfeng Wu, Daqiang Yin, Fangfang Zhao, Binghui Zheng, Meiyue Zhou, Hua Zou, Jiane Zuo, Andreas Tiehm
The Taihu (Tai lake) region is one of the most economically prospering areas of China. Due to its location within this district of high anthropogenic activities, Taihu represents a drastic example of water pollution with nutrients (nitrogen, phosphate), organic contaminants and heavy metals. High nutrient levels combined with very shallow water create large eutrophication problems, threatening the drinking water supply of the surrounding cities. Within the international research project SIGN (SinoGerman Water Supply Network, www...
2016: Environmental Sciences Europe
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