Results 41 to 50 of about 3,700 (202)
Physiological response of freshwater microalga (Chlorella vulgaris) to triazine and phenylurea herbicides [PDF]
, 2002 [Abstract]The effects of two herbicides used wide-spread, isoproturon (phenylurea) and terbutryn (triazine), on growth, dry weight, elemental composition, photosynthetic pigments and protein content, and cell volume assayed by flow cytometry in the ...
Cid, Ángeles +3 more
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Optimization of a microplate-based assay to assess esterase activity in the alga Pseudokirchneriella subcapitata [PDF]
, 2012 The present work describes the optimization of a short-term assay, based on the inhibition of the esterase activity of the alga Pseudokirchneriella subcapitata, in a microplate format. The optimization of the staining procedure showed that the incubation
Machado, Manuela D., Soares, Eduardo V.
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, 2006 Forty-nine secondary metabolites were isolated from aqueous and alcoholic extracts of the aquatic plant Shoenoplectus lacustris. All compounds were characterized based on spectroscopic data.
A. Fiorentino +5 more
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Biocapteurs pour le contrôle de la toxicité des eaux : application des bioélectrodes algales [PDF]
, 1992 L'amélioration de la qualité de l'environnement passe par la réalisation de contrôles de toxicité in situ et en continu des sources de pollution ou des milieux contaminés, à l'aide de systèmes automatisés à réponse rapide.
Pandard, P., Vasseur, P.
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AIMS Environmental Science, 2018 Pharmaceuticals are becoming an environmental and health problem of concern. We present here the results obtained in the ecotoxicological evaluation of two drugs (diltiazem and doxepin) recurrently present in the environment.
Natalia Ros +5 more
doaj +1 more source
Les herbicides inhibateurs du photosystème II, effets sur les communautés algales et leur dynamique [PDF]
, 1999 Nous présentons une revue bibliographique à propos des effets des herbicides inhibiteurs du Photosystème II (PS II) sur les communautés algales. Ces herbicides sont abondamment utilisés dans les pratiques phytosanitaires.
Berard, A., Pelte, T.
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Physicochemical and ecotoxicological approaches for Moknine Continental Sebkha in Tunisia
Journal of Water and HealthDegradation of water quality is an emerging issue in many developing countries. In this context, industrial and domestic effluents heavily contaminate the coast of Moknine Continental Sebkha in Tunisia.
Afifa Belaid +5 more
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Acta Scientiarum: Biological Sciences, 2008 Limnoperna fortunei é uma espécie invasora na América do Sul que, devido ao seu crescimento excessivo, tornou-se um sério problema para o ambiente e para os setores usuários de água bruta. L.
Gabriela Von Ruckert +2 more
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Contribution à l'évaluation écotoxicologique du Tébuthiuron - un herbicide de la classe des urées substituées [PDF]
, 1991 Une étude écotoxicologique a été menée à l'égard du Tébuthiuron (TB), un phytocide homologué inhibant la croissance de végétation nuisible, afin de mieux cerner son impact sur le milieu aquatique susceptible d'être affecté par des épandages terrestres ...
Blaise, C., Harwood, M.
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DESCOLORAÇÃO DO CORANTE TÊXTIL ALARANJADO II USANDO UM CONSÓRCIO BACTERIANO
Conexões: Ciência e Tecnologia, 2007 A descoloração do azo corante Alaranjado II (0,050 mM) foi realizada usando Geobacillus stearothermophilus (UCP 986) e Pseudomonas aeruginosa (UCP 992), sob condições aeróbica e semi-aeróbica, por 48 h a 40ºC. A cor remanescente, pH, biomassa, dosagem de
Norma Suely Evangelista Barreto +2 more
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