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description Publicationkeyboard_double_arrow_right Article 2021 ItalyElsevier BV Loredana Manfra; Vincenzo Marengo; Giovanni Libralato; Maria Costantini; Francesca De Falco; Mariacristina Cocca;pmid: 33839500
Plastic is a ubiquitous material in our life, and its durability represents a great problem for the environment. Several studies reported the occurrence of plastic litter in different environmental compartments and, consequently, numerous efforts are currently focused on how improving its recycling process and produce environmentally friendly solutions. In recent years, biodegradable polymers/plastics (BPs) have been proposed to reduce environmental impacts in specific applications (e.g., when conventional plastics are difficult or expensive to remove from the environment). Their wide use in commercial products, especially in the packaging sector, is causing new pollution alarm. Research studies are ongoing to improve BPs manufacturing and characteristics, but few data are reported about their behavior and toxicity into the marine environment. This paper reviewed the current state of the art highlighting that, even though the degradation of BPs in simulated or real marine environments is quite investigated, only eleven papers reported their effects on marine organisms (e.g., behavioral and oxidative stress and potential cascading effects on marine ecosystems). Presently, the main benefits of BPs are linked to waste management (including collection and recycling of organic waste). Due to the existing knowledge gaps, BPs cannot be deemed yet as a solution to marine plastic pollution.
Archivio della ricer... arrow_drop_down add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jhazmat.2021.125763&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu58 citations 58 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert Archivio della ricer... arrow_drop_down add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 GermanySpringer Science and Business Media LLC EC | EPOCAEC| EPOCARommel Maneja; Andrea Y Frommel; Howard I. Browman; Catriona Clemmesen; Audrey J. Geffen; Arild Folkvord; Uwe Piatkowski; Caroline M. F. Durif; Reidun M. Bjelland; Anne Berit Skiftesvik;Kinematics of swimming behavior of larval Atlantic cod, aged 12 and 27 days post-hatch (dph) and cultured under three pCO2 conditions (control-370, medium-1800, and high-4200 μatm) from March to May 2010, were extracted from swim path recordings obtained using silhouette video photography. The swim paths were analyzed for swim duration, distance and speed, stop duration, and horizontal and vertical turn angles to determine whether elevated seawater pCO2—at beyond near-future ocean acidification levels—affects the swimming kinematics of Atlantic cod larvae. There were no significant differences in most of the variables tested: the swimming kinematics of Atlantic cod larvae at 12 and 27 dph were highly resilient to extremely elevated pCO2 levels. Nonetheless, cod larvae cultured at the highest pCO2 concentration displayed vertical turn angles that were more restricted (median turn angle, 15°) than larvae in the control (19°) and medium (19°) treatments at 12 dph (but not at 27 dph). Significant reduction in the stop duration of cod larvae from the high treatment (median stop duration, 0.28 s) was also observed compared to the larvae from the control group (0.32 s) at 27 dph (but not at 12 dph). The functional and ecological significance of these subtle differences are unclear and, therefore, require further investigation in order to determine whether they are ecologically relevant or spurious.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu56 citations 56 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1989 GermanyElsevier BV Authors: Michael Schröder; G. Siedler;Michael Schröder; G. Siedler;Measurements in the mixing zone of the Elbe estuary were performed during three consecutive tidal cycles with three types of instruments—a moored tripod with velocity and temperature/conductivity/light attenuation sensors, a profiling sonde with similar sensors lowered from an anchored vessel, and instrumented moorings. Acoustic-travel-time sensors were used for velocity measurements. Spectral analysis of 12·8 min pieces of the obtained time series gives results that are consistent with isotropic turbulence for part of the frequency space. Temporal changes of turbulent kinetic energy are correlated with tidal current velocity. A retardation is found between changes in tidal current and turbulent energy. Not all shear stress terms are in similar phase with tidal flow. Mean gradients, Reynolds stress terms, and turbulent salt flux terms are combined to determine eddy viscosity and eddy diffusion coefficients.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu11 citations 11 popularity Average influence Top 10% impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 TurkeyElsevier BV Lutfu Hanoglu; Mevhibe Saricaoglu; Guven Toprak; Nesrin Helvaci Yilmaz; Burak Yulug;pmid: 32057924
Toprak, Guven/0000-0003-4856-9987; Saricaoglu, Mevhibe/0000-0002-1289-4641 WOS: 000525932300006 PubMed: 32057924 It has been already shown that the motor symptoms of the Parkinson's Disease (PD) have been improved with high frequency rTMS although there is no consensus on the most suitable target brain localization for a maximal therapeutic efficacy. Here, we aimed to compare the therapeutic effect of high frequency (5Hz) rTMS stimulation on primary motor cortex (M1) and pre-supplementary (pre SMA) regions in patients with PD who were still on pharmacological treatment. The study included right-hand dominant16 patients with PD (5 females, 11 males) with demographically and clinically similar characteristics which were randomly assigned to group 1 (n=8) and group 2 (n=8) and received left M1 and the left pre-SMA rTMS procedure, respectively. Total and sequential motor scores of the Unified Parkinson's Disease Rating Scale (UPDRSmotor) were applied to all patients at the baseline and the patients were re-evaluated under the same clinical conditions one week after the end of the sessions. Comparisons of the UPDRS-motor scores between two groups yielded significant improvements after the rTMS on pre-SMA compared to M1 (M1 p=0.14; pre-SMA p=0.01). which were especially significant for the bradykinesia (p=0.04) and axial score related items (p=0.01). This is the first study that shows the effect of rTMS on pre-SMA and it appears to be a promising option in the treatment of PD.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu7 citations 7 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
visibility 68visibility views 68 download downloads 0 Powered bymore_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.neulet.2020.134837&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2021 Spain EnglishSixto, Marta; Riobó, Pilar; Rial, Pilar; Figueroa, Rosa Isabel; Vázquez Álvarez, Xosé Antón; Rodríguez, Francisco;handle: 10508/15830 , 10261/321897
The dinoflagellate Alexandrium minutum is responsible for paralytic shellfish poisoning (PSP) episodes in Western Europe, commonly in areas directly affected by significant freshwater inputs, as the Ría de Vigo (NW Spain), a coastal embayment with estuarine influence characterized by seasonal upwelling. Because pronounced environmental short-term changes characterized these ecosystems, tolerance windows for A. minutum against temperature (T) and salinity (S) stress were studied using a factorial approach
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOConference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/15830&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
visibility 3visibility views 3 download downloads 0 Powered bymore_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOConference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/15830&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Thesis 2022Embargo end date: 30 Apr 2024 Germany EnglishAuthors: Yu, Lei;Yu, Lei;Clonal species, such as seagrass Zostera marina, have two levels of “population”, an asexual population of ramets belonging to a single clone/genet, which is nested into the population of clones/genets, the “classical”, sexually reproducing population. Although earlier theoretical and conceptual work has repeatedly suggested that somatically generated variation plays an important role in modular species, population genetics of such species has been focused on the “classical” germline genetic variation. This thesis extends the knowledge on the multi-level genetic variation in the model seagrass species Z. marina using whole-genome resequencing. In Chapter 1, I studied the somatic genetic variation (SoGV) in a Z. marina meadow tracing back to one single sexual event. In chapter 2, I studied population genomics of Z. marina, based on the worldwide distribution of the “classical” germline genetic variation. In chapter 3, I proposed the concept of identity by heterozygosity (IBH), meaning that two diploid genomes are identically heterozygous at some genetic markers such as SNPs (single-nucleotide polymorphisms). This was used to detect ramets of the same clone/genet. In summary, two levels of SoGV, namely among cell populations, and among ramets/modules, are nested within “classical” germline genetic variation in clonal species, owing to somatic mutation and somatic genetic drift. This thesis opens up new avenues of studying multi-level genetic variation by using clonal species as model. Further modeling and theoretical work based on clonal species will broaden the current population genetics theory.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2008 GermanyAmerican Society for Microbiology Sievert, S. M.; Scott, K. M.; Klotz, M. G.; Chain, P. S. G.; Hauser, L. J.; Hemp, J.; Hügler, Michael; Land, M.; Lapidus, A.; Larimer, F. W.; Lucas, S.; Malfatti, S. A.; Meyer, F.; Paulsen, I. T.; Ren, Q.; Simon, J.;Sulfur-oxidizing epsilonproteobacteria are common in a variety of sulfidogenic environments. These autotrophic and mixotrophic sulfur-oxidizing bacteria are believed to contribute substantially to the oxidative portion of the global sulfur cycle. In order to better understand the ecology and roles of sulfur-oxidizing epsilonproteobacteria, in particular those of the widespread genus Sulfurimonas, in biogeochemical cycles, the genome of Sulfurimonas denitrificans DSM1251 was sequenced. This genome has many features, including a larger size (2.2 Mbp), that suggest a greater degree of metabolic versatility or responsiveness to the environment than seen for most of the other sequenced epsilonproteobacteria. A branched electron transport chain is apparent, with genes encoding complexes for the oxidation of hydrogen, reduced sulfur compounds, and formate and the reduction of nitrate and oxygen. Genes are present for a complete, autotrophic reductive citric acid cycle. Many genes are present that could facilitate growth in the spatially and temporally heterogeneous sediment habitat from where Sulfurimonas denitrificans was originally isolated. Many resistance-nodulation-development family transporter genes (10 total) are present; of these, several are predicted to encode heavy metal efflux transporters. An elaborate arsenal of sensory and regulatory protein-encoding genes is in place, as are genes necessary to prevent and respond to oxidative stress.
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For further information contact us at helpdesk@openaire.euResearch data keyboard_double_arrow_right Dataset 2021Embargo end date: 09 Feb 2020Mendeley Authors: Lin, Qiubin;Lin, Qiubin;A demo for SDCH algorithm on NUS-WIDE dataset
Mendeley Data arrow_drop_down add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.euResearch data keyboard_double_arrow_right Dataset 2019Embargo end date: 05 May 2019Mendeley Authors: Nordquist, Annemarie;Nordquist, Annemarie;doi: 10.17632/7b5fb7zyny
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.17632/7b5fb7zyny&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.euResearch data keyboard_double_arrow_right Dataset 2021Embargo end date: 04 May 2021Mendeley Authors: Kudła, Patryk;Kudła, Patryk;doi: 10.17632/pgnbyx9cn7
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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description Publicationkeyboard_double_arrow_right Article 2021 ItalyElsevier BV Loredana Manfra; Vincenzo Marengo; Giovanni Libralato; Maria Costantini; Francesca De Falco; Mariacristina Cocca;pmid: 33839500
Plastic is a ubiquitous material in our life, and its durability represents a great problem for the environment. Several studies reported the occurrence of plastic litter in different environmental compartments and, consequently, numerous efforts are currently focused on how improving its recycling process and produce environmentally friendly solutions. In recent years, biodegradable polymers/plastics (BPs) have been proposed to reduce environmental impacts in specific applications (e.g., when conventional plastics are difficult or expensive to remove from the environment). Their wide use in commercial products, especially in the packaging sector, is causing new pollution alarm. Research studies are ongoing to improve BPs manufacturing and characteristics, but few data are reported about their behavior and toxicity into the marine environment. This paper reviewed the current state of the art highlighting that, even though the degradation of BPs in simulated or real marine environments is quite investigated, only eleven papers reported their effects on marine organisms (e.g., behavioral and oxidative stress and potential cascading effects on marine ecosystems). Presently, the main benefits of BPs are linked to waste management (including collection and recycling of organic waste). Due to the existing knowledge gaps, BPs cannot be deemed yet as a solution to marine plastic pollution.
Archivio della ricer... arrow_drop_down add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu58 citations 58 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jhazmat.2021.125763&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 GermanySpringer Science and Business Media LLC EC | EPOCAEC| EPOCARommel Maneja; Andrea Y Frommel; Howard I. Browman; Catriona Clemmesen; Audrey J. Geffen; Arild Folkvord; Uwe Piatkowski; Caroline M. F. Durif; Reidun M. Bjelland; Anne Berit Skiftesvik;Kinematics of swimming behavior of larval Atlantic cod, aged 12 and 27 days post-hatch (dph) and cultured under three pCO2 conditions (control-370, medium-1800, and high-4200 μatm) from March to May 2010, were extracted from swim path recordings obtained using silhouette video photography. The swim paths were analyzed for swim duration, distance and speed, stop duration, and horizontal and vertical turn angles to determine whether elevated seawater pCO2—at beyond near-future ocean acidification levels—affects the swimming kinematics of Atlantic cod larvae. There were no significant differences in most of the variables tested: the swimming kinematics of Atlantic cod larvae at 12 and 27 dph were highly resilient to extremely elevated pCO2 levels. Nonetheless, cod larvae cultured at the highest pCO2 concentration displayed vertical turn angles that were more restricted (median turn angle, 15°) than larvae in the control (19°) and medium (19°) treatments at 12 dph (but not at 27 dph). Significant reduction in the stop duration of cod larvae from the high treatment (median stop duration, 0.28 s) was also observed compared to the larvae from the control group (0.32 s) at 27 dph (but not at 12 dph). The functional and ecological significance of these subtle differences are unclear and, therefore, require further investigation in order to determine whether they are ecologically relevant or spurious.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu56 citations 56 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 1989 GermanyElsevier BV Authors: Michael Schröder; G. Siedler;Michael Schröder; G. Siedler;Measurements in the mixing zone of the Elbe estuary were performed during three consecutive tidal cycles with three types of instruments—a moored tripod with velocity and temperature/conductivity/light attenuation sensors, a profiling sonde with similar sensors lowered from an anchored vessel, and instrumented moorings. Acoustic-travel-time sensors were used for velocity measurements. Spectral analysis of 12·8 min pieces of the obtained time series gives results that are consistent with isotropic turbulence for part of the frequency space. Temporal changes of turbulent kinetic energy are correlated with tidal current velocity. A retardation is found between changes in tidal current and turbulent energy. Not all shear stress terms are in similar phase with tidal flow. Mean gradients, Reynolds stress terms, and turbulent salt flux terms are combined to determine eddy viscosity and eddy diffusion coefficients.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu11 citations 11 popularity Average influence Top 10% impulse Average Powered by BIP!
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