http://www.cnr.it/ontology/cnr/individuo/prodotto/ID9228
Biological weighting function of the UV-B-induced impairment of phototaxis in the freshwater ciliate Ophryoglena flava (Articolo in rivista)
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- Label
- Biological weighting function of the UV-B-induced impairment of phototaxis in the freshwater ciliate Ophryoglena flava (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1562/0031-8655(2004)080<0408:BWFOTU>2.0.CO;2 (literal)
- Alternative label
Marangoni, Roberto; Marroni, Fabio; Gioffre', Domenico; Ghetti, Francesco; Colombetti, Giuliano (2004)
Biological weighting function of the UV-B-induced impairment of phototaxis in the freshwater ciliate Ophryoglena flava
in Photochemistry and photobiology (Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Marangoni, Roberto; Marroni, Fabio; Gioffre', Domenico; Ghetti, Francesco; Colombetti, Giuliano (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR - Istituto di Biofisica, Pisa, Italy. (literal)
- Titolo
- Biological weighting function of the UV-B-induced impairment of phototaxis in the freshwater ciliate Ophryoglena flava (literal)
- Abstract
- We determined the biological weighting function (BWF) of the effect of UV radiation on phototaxis of the freshwater, histophagous ciliate Ophryoglena flava. Dose-effect curves were measured by exposing the cells to 12 different irradiation regimens obtained with two different levels of UV-B radiation and by using six filters with cutoff wavelengths ranging from 280 to 335 nm. The results show that there are significant damages to phototaxis at the doses used and that the effect increases when the cutoff is shifted toward short wavelengths. The data were used to calculate the BWF of phototaxis impairment by applying a nonlinear fit procedure. The BWF thus obtained decays exponentially with increasing wavelength in agreement with similar findings reported in the literature for other systems. (literal)
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