Results 141 to 150 of about 7,064 (184)
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Biochimica et Biophysica Acta (BBA) - Biophysics including Photosynthesis, 1966
Abstract The transport of sodium through the marine algae Ulva lobata and Ulva expansa has been studied by a tracer analytical method. Sodium was transported across Ulva at a rate of 0.15% per min in the dark; this rate was slowed by ouabain and increased by formaldehyde. Dinitrophenol, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, and ammonium ion had no
J T, Cummins, J A, Strand, B E, Vaughn
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Abstract The transport of sodium through the marine algae Ulva lobata and Ulva expansa has been studied by a tracer analytical method. Sodium was transported across Ulva at a rate of 0.15% per min in the dark; this rate was slowed by ouabain and increased by formaldehyde. Dinitrophenol, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, and ammonium ion had no
J T, Cummins, J A, Strand, B E, Vaughn
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Conspecificity of the model organism Ulva mutabilis and Ulva compressa (Ulvophyceae, Chlorophyta)
Journal of Phycology, 2019Sophie Steinhagen +2 more
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The effects of chloramphenicol on Ulva lactuca
Chemosphere, 2013The administration of pharmacological substances in the food producing industry is a crucial and long established practice in ensuring animal welfare. However, a very high percentage of the drugs used will directly or indirectly be present in the various compartments of natural ecosystems therefore constituting a source of pollution. The reactions that
Sara, Leston +4 more
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Ulva ardreana: a new species replacing the invalid “Ulva bifrons”
botm, 2013Abstract The new species Ulva ardreana is here proposed to replace Ulva bifrons, an invalid name because no holotype was designated in the protologue. The new species consists of two to three distromatic blades arising from a short stipe, and it is easily distinguished from the other blade-like Ulva species in having a remarkable ...
Cormaci M, Furnari G, ALONGI, GIUSEPPINA
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Iranian Journal of Science and Technology, Transactions A: Science, 2020
The removal efficiency for Cd (II) by the marine algae Ulva fasciata and Ulva lactuca was studied at different culture conditions. The maximum biosorption capacities were 8.353 and 8.804 mg g−1 dwt for U. fasciata and U. lactuca, respectively, at optimum conditions for each alga.
Mostafa El-Sheekh +3 more
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The removal efficiency for Cd (II) by the marine algae Ulva fasciata and Ulva lactuca was studied at different culture conditions. The maximum biosorption capacities were 8.353 and 8.804 mg g−1 dwt for U. fasciata and U. lactuca, respectively, at optimum conditions for each alga.
Mostafa El-Sheekh +3 more
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Conspecificity of the model organism Ulva mutabilis and Ulva compressa (Ulvophyceae, Chlorophyta)
Journal of Phycology, 2018As one of the most abundant and ubiquitous representatives of marine and brackish coastal macrophytobenthos communities, the genus Ulva is not only an important primary producer but also of ecological and morphogenetic interest to many scientists. Ulva mutabilis
Sophie Steinhagen +3 more
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The taxonomy ofUlva(Chlorophyceae) in the Netherlands
British Phycological Journal, 1981On the basis of 160 living samples from 26 different stations five Ulva species were distinguished, and described for the Netherlands coast, namely U. pseudocurvata nov. spec., U. curvata (Kutz.) De Toni, U. lactuca L., U. rigida C.Ag. and U. scandinavica Bliding.
Koeman, R.P.T., van den Hoek, Christiaan
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Anaerobic digestion of Ulva sp. 1. Relationship between Ulva composition and methanisation
Journal of Applied Phycology, 1997Ulva often represents the main component of mass algal growths, and its composition and degradability make it a relatively good methanisation substrate. In ‘green tides’ Ulva sp. from Brittany, the low content oflignin-type components (polyphloroglucinols: 1.3% dry weight), and the large hemicellulosic fraction (9% dry weight) favour the substrate's ...
Xavier Briand, Philippe Morand
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