Letteratura scientifica selezionata sul tema "Bioaccumlation"
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Articoli di riviste sul tema "Bioaccumlation"
Kininge, Pallavi T., Sushma C. Bondre, Dr Milind Kale, Dr M. M. Pillai Dr.M.M.Pillai e Amaraja Kulkarni. "Bioaccumlation Of Heavy Metal In Labeo Rohita From River Panchgang". International Journal of Scientific Research 1, n. 3 (1 giugno 2012): 36–39. http://dx.doi.org/10.15373/22778179/aug2012/14.
Testo completoLi, Xiaomin, Weihua Peng, Yanyan Jiang, Yong Duan, Jinqian Ren, Yingying Liu e Wenhong Fan. "The Daphnia magna role to predict the cadmium toxicity of sediment: Bioaccumlation and biomarker response". Ecotoxicology and Environmental Safety 138 (aprile 2017): 206–14. http://dx.doi.org/10.1016/j.ecoenv.2017.01.002.
Testo completoBruhn, Regina, Narayanan Kannan, Gert Petrick, Detlef E. Schutz-Bull e Jan C. Duinker. "CB pattern in the harbour porpoise: Bioaccumlation, metabolism and evidence for cytochrome p450 IIB activity". Chemosphere 31, n. 7 (ottobre 1995): 3721–32. http://dx.doi.org/10.1016/0045-6535(95)00221-s.
Testo completoTesi sul tema "Bioaccumlation"
Martins, Ana Rita Dias. "Bioaccumlation and Infectivity of Norovirus in Oysters". Master's thesis, Faculdade de Farmácia da Universidade do Porto, 2009. http://hdl.handle.net/10216/63805.
Testo completoMartins, Ana Rita Dias. "Bioaccumlation and Infectivity of Norovirus in Oysters". Dissertação, Faculdade de Farmácia da Universidade do Porto, 2009. http://hdl.handle.net/10216/63805.
Testo completoStefanelli, Romain. "Approche mécanistique en radioécologie : processus d'accumulation de radionucléides dans les mollusques bivalves". Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5001.
Testo completoNuclear incidents, such as the one in Fukushima in 2011, raise concerns in terms of geopolitics, economics, and public acceptance. Oceans act as receptacles for terrestrial pollution, including radionuclides of both natural origin (resulting from erosion and runoff) and anthropogenic origin (from nuclear tests and industrial nuclear releases). Therefore, understanding the speciation of radionuclides in the marine environment is of paramount importance to assess their environmental impact. Certain marine organisms, notably mussels, have the ability to accumulate these radionuclides. In vivo speciation studies are fundamental in comprehending the accumulation, bioavailability, and toxicity of these elements and their impact on the marine ecosystem. In the course of this thesis, two radionuclides were examined: 60Co, a gamma emitter originating from activation in nuclear power plants, and uranium, a naturally occurring actinide in the marine environment, serving as a model for heavy actinides. The digestive gland plays a significant role in the detoxification mechanisms in mollusks, allowing for the mobilization of metals and participating in detoxification processes. Several metabolites, including metallothioneins, low-molecular-weight proteins with a strong affinity for metal ions due to the presence of thiol groups, are involved in these processes. The byssus is of great importance to mollusks, enabling them to anchor onto surfaces. Byssal threads, primarily composed of collagen, exhibit adhesive properties that have piqued the interest of researchers. Specific proteins, known as "mussel foot proteins" (mfps), contain a significant amount of DOPA (l-3,4-dihydroxyphenylalanine), up to 15% molecular content, in the threads. DOPA plays a role in the complexation of metal ions, such as vanadium and iron, influencing the mechanical properties of byssal threads.This work allowed for the quantification of cobalt and uranium using techniques such as inductively coupled plasma mass spectrometry (ICP-MS) and gamma spectrometry in various organs, providing information on their distribution within different subcellular compartments. Imaging tools were used to locate these metals at various biological scales, including organs through X-ray fluorescence (μ-XRF) and particle-induced X-ray emission (PIXE), as well as cells through secondary ion mass spectrometry (SIMS), yielding insights into their distribution and speciation. Speciation was studied using X-ray absorption spectroscopy (XAS), and time-resolved laser-induced spectrofluorimetry (SLRT), the latter being exclusively employed for uranium.This thesis has integrated quantification, imaging, and speciation to gain a better understanding of the transfer of uranium and cobalt in bivalve mollusks
Martins, Ana Rita Dias. "Bioaccumlation and Infectivity of Norovirus in Oysters". Master's thesis, 2010. https://repositorio-aberto.up.pt/handle/10216/81512.
Testo completoMartins, Ana Rita Dias. "Bioaccumlation and Infectivity of Norovirus in Oysters". Dissertação, 2010. https://repositorio-aberto.up.pt/handle/10216/81512.
Testo completo