Abundance of Fucus spiralis and ephemeral seaweeds in a high eulittoral zone: effects of grazers, canopy and substratum type

1989 ◽  
Vol 102 (4) ◽  
pp. 565-572 ◽  
Author(s):  
A. R. O. Chapman
Keyword(s):  
Substratum Type ◽  
Fucus Spiralis

Media derived from brown seaweeds Cystoseira myriophylloides and Fucus spiralis for in vitro plant tissue culture

2016 ◽  
Vol 128 (2) ◽  
pp. 437-446 ◽  
Author(s):  
Siham Esserti ◽  
Mohamed Faize ◽  
Lalla Aicha Rifai ◽  
Amal Smaili ◽  
Malika Belfaiza ◽  
...  
Keyword(s):  
Tissue Culture ◽  
Plant Tissue Culture ◽  
Plant Tissue ◽  
Brown Seaweeds ◽  
Fucus Spiralis ◽  
In Vitro Plant

Bremerella alba sp. nov., a novel planctomycete isolated from the surface of the macroalga Fucus spiralis

2021 ◽  
Vol 44 (3) ◽  
pp. 126189
Author(s):  
Ofélia Godinho ◽  
Raquel Botelho ◽  
Luciana Albuquerque ◽  
Sandra Wiegand ◽  
Nicolai Kallscheuer ◽  
...  
Keyword(s):  
Fucus Spiralis

Antimicrobial and antioxidant effect of lyophilized Fucus spiralis addition on gelatin film during refrigerated storage of mackerel

Food Control ◽  
2021 ◽  
pp. 108416
Author(s):  
Marcos Trigo ◽  
Pedro Nozal ◽  
José M. Miranda ◽  
Santiago P. Aubourg ◽  
Jorge Barros-Velázquez
Keyword(s):  
Gelatin Film ◽  
Antioxidant Effect ◽  
Refrigerated Storage ◽  
Fucus Spiralis

scholarly journals Anti-Inflammatory Potential of Monogalactosyl Diacylglycerols and a Monoacylglycerol from the Edible Brown Seaweed Fucus spiralis Linnaeus

Marine Drugs ◽  
2014 ◽  
Vol 12 (3) ◽  
pp. 1406-1418 ◽  
Author(s):  
Graciliana Lopes ◽  
Georgios Daletos ◽  
Peter Proksch ◽  
Paula Andrade ◽  
Patrícia Valentão
Keyword(s):  
Brown Seaweed ◽  
Fucus Spiralis ◽  
Anti Inflammatory

Variations saisonnières des concentrations en métaux (Cd, Cu, Fe, Mn et Zn) chez l'algue Fucus spiralis du littoral de la ville d'El Jadida (Maroc)

2005 ◽  
Vol 40 (1) ◽  
pp. 102-110 ◽  
Author(s):  
Aziz Kaimoussi ◽  
Abdelkrim Mouzdahir ◽  
Abdelkbir Saih
Keyword(s):  
Fucus Spiralis ◽  
Variations Saisonnières

Abstract Cette étude porte sur l'évaluation des concentrations de certains métaux traces (Cd, Cu, Fe, Mn et Zn) chez l'algue brune Fucus spiralis du littoral de la ville d'El Jadida. Ces concentrations ont été étudiées davril 1998 à mars 1999 dans quatre stations de prélèvement dont trois sont caractérisées comme sites dimportants rejets deaux usées et dactivités industrielles croissantes. Les résultats obtenus montrent que la capacité d'accumulation des métaux traces varie en fonction de site de prélèvement et de la saison. La comparaison de nos données avec celles publiées dans la littérature montre que les algues étudiées présentent en général des valeurs plus faibles que celles provenant d'autres aires géographiques.

scholarly journals Green Approach to Corrosion Inhibition of Carbon Steel by Fucus spiralis extract in 1 M HCl Medium

2021 ◽  
Vol 12 (5) ◽  
pp. 7075-7091
Keyword(s):  
Carbon Steel ◽  
Corrosion Inhibitor ◽  
Surface Characterization ◽  
Electrochemical Impedance ◽  
Electrochemical Techniques ◽  
Adsorption Model ◽  
Corrosion Properties ◽  
Uv Visible ◽  
Fucus Spiralis ◽  
Hcl Medium

The extract of Fucus spiralis (FS) was tested as a corrosion inhibitor of carbon steel in a 1M HCl medium. The anti-corrosion properties were analyzed by gravimetric and electrochemical techniques such as potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS). The surface characterization of carbon steel submerged in the optimal solution was carried out using UV-Visible, UV-Vis-NIR, and Optical microscopy analyses. Electrochemical and gravimetric results demonstrated that inhibitory efficiencies increase with increasing inhibitor concentration and the efficiency reaches 87% at a concentration of 0.5 g/L. According to Tafel extrapolated polarisation measurements, the FS also worked as a mixed-type corrosion inhibitor and changed the mechanism of anodic reactions. EIS analysis showed that a depressed capacitive loop dominates the Nyquist plot of impedance and enhances the polarization resistance (Rp) to 161.9 Ω cm2 with a reduction of the double layer capacity (Cdl) of carbon steel to 61.8 μF/cm2. This protection is assured by an adsorption mechanism based on the isothermal Langmuir adsorption model, which positively affects the thermodynamic parameters. UV-Visible, UV-Vis-NIR analyses exhibited that inhibitor decreases the iron oxides like hematite, Magnetite, and Goethite, Maghemite, Lepidocrocite, δ-FeOOH of the metal surface and delays the dissolution of the bare metal of iron to the ferrous ions, notably that optical morphology showed that FS extract decreases the aggressivity of HCl.

Substratum type affects recruitment and development of marine assemblages over artificial substrata: A case study in the Alboran Sea

2018 ◽  
Vol 204 ◽  
pp. 56-65 ◽  
Author(s):  
Juan Sempere-Valverde ◽  
Enrique Ostalé-Valriberas ◽  
Gonzalo M. Farfán ◽  
Free Espinosa
Keyword(s):  
Alboran Sea ◽  
Artificial Substrata ◽  
Substratum Type ◽  
Alborán Sea

scholarly journals Antioxidant Activity of the Brown Macroalgae Fucus spiralis Linnaeus Harvested from the West Coast of Ireland

2013 ◽  
Vol 5 (3) ◽  
pp. 81-90 ◽  
Author(s):  
Michelle S. Tierney ◽  
Anna Soler-vila ◽  
Anna K. Croft ◽  
Maria Hayes
Keyword(s):  
Antioxidant Activity ◽  
West Coast ◽  
Brown Macroalgae ◽  
The West ◽  
Fucus Spiralis

scholarly journals Biosorption of Cadmium by Fucus spiralis

2004 ◽  
Vol 1 (3) ◽  
pp. 180 ◽  
Author(s):  
Manuel Esteban Sastre de Vicente ◽  
Roberto Herrero ◽  
Pablo Lodeiro ◽  
Bruno Cordero
Keyword(s):  
Heavy Metals ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
Biological Materials ◽  
Ion Concentration ◽  
Adsorption Parameters ◽  
Solution Ph ◽  
Biosorption Process ◽  
Fucus Spiralis ◽  
Biosorption Kinetics

Environmental Context. Conventional processes for the removal of heavy metals from wastewaters generally involves chemical precipitation of metals (changing the pH) followed by a period to allow the metal precipitates to settle and be separated. These processes are inefficient when the metals are at a low concentration and still demand handling and disposal of toxic metal sludges. An alternative method for heavy metal removal is adsorption onto a biological material, biosorption. The biological materials, including agricultural byproducts, bacteria, fungi, yeast, and algae, all which take up heavy metals in substantial quantities, are relatively inexpensive, widely available, and from renewable sources. However, biological materials are complex and the active mechanisms often unclear. Abstract. Cadmium biosorption properties of nonliving, dried brown marine macroalga Fucus spiralis from Galician coast (northwest Spain) have been investigated. The biosorption capacity of the alga strongly depends on solution pH; the uptake is almost negligible at pH ≤ 2 and reaches a plateau at around pH 4.0. Cadmium biosorption kinetics by F. spiralis is relatively fast, with 90% of total adsorption taking place in less than one hour. A pseudo second order mechanism has been proved to be able to predict the kinetic behaviour of the biosorption process. The effect of initial cadmium ion concentration, alga dose, solution pH, and temperature on the biosorption kinetics has been studied. The Langmuir, Freundlich, Langmuir–Freundlich, and Tóth isotherms were used to fit the experimental data and to find out the adsorption parameters. Acid–base properties of the alga have been studied potentiometrically in order to calculate the number of acidic groups and the apparent pK value by using Katchalsky model. The pK obtained is comparable with typical values associated to the ionization of carboxyl groups of alginates, supporting the implication of these groups in the biosorption process.

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