Listar por autor "Abalde, Julio"
Mostrando ítems 21-40 de 56
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Culture of the marine diatom Phaeodactylum tricornutum with different nitrogen sources: Growth, nutrient conversion and biochemical composition
Fidalgo Paredes, Pablo; Cid, Ángeles; Abalde, Julio; Herrero, Concepción (Station Biologique de Roscoff, 1995)[Abstract] Cultures of the marine diatom Phaeodaetylum trieornutum were grown in nitrate, nitrite, ammonia or urea media. Nitrogen transformation efficiencies were close to 100% in cultures with nitrate, nitrite or urea, ... -
Decrease in plasma cholesterol, triglycerides and CPK levels in rats fed on the marine microalga Dunaliella tertiolecta
Fábregas, Jaime; Herrero, Concepción; Parafita, Manuel; Paz, José Manuel; Cabezas, Buenaventura; Abalde, Julio (Geor Thieme Verlag, 1986)The dried marine microalga Dunaliella tertiolecta was fed to weaning albino rats for 12 days as the sole protein source at a protein level of 12% protein from casein. Plasma cholesterol, triglycerides, and CPK levels were ... -
Disorders provoked by copper in the marine diatom Phaeodactylum tricornutum in short-time exposure asays
Cid, Ángeles; Torres, Enrique; Herrero, Concepción; Abalde, Julio (Station Biologique de Roscoff, 1997)[Abstract] Copper toxicity on the marine diatom Phaeodactylwn tricomutum was assessed after 24.liours of exposure, using different parameters: growth, 14C-bicarbonate assimilation, 3H-thymidine incorporation, photosynthetic ... -
Dunaliella salina as marine microalga highly tolerant to but a poor remover of cadmium
Folgar Couselo, Salvador; Torres, Enrique; Pérez Rama, Mónica; Cid, Ángeles; Herrero, Concepción; Abalde, Julio (2009-06)[Abstract]Cadmium tolerance and removal in the marine microalga Dunaliella salina were studied in cultures exposed to different metal concentrations (5–120 mg Cd l−1) for 96 h. This microalga can be included in the group ... -
Effect of cadmium on growth, ATP content, carbon fixation and ultrastructure in the marine diatom Phaeodactylum Tricornutum Bohlin
Torres, Enrique; Cid, Ángeles; Herrero, Concepción; Abalde, Julio (Springer, 2000-01)Cadmium toxicity to the diatom Phaeodactylum tricornutum Bohlin has been studied on the basis of the effect of this metal on growth, ATP content, 14C uptake and cellular ultrastructure. The microalga was exposed to 1, 5, ... -
Efficient Removal of Methylene Blue Using Living Biomass of the Microalga Chlamydomonas moewusii: Kinetics and Equilibrium Studies
Seoane Cuquejo, Raquel; Santaeufemia, Sergio; Abalde, Julio; Torres, Enrique (MDPI, 2022-02-24)[Abstract] The efficiency of the living biomass of the microalga Chlamydomonas moewusii in removing methylene blue dye is determined. The kinetics, equilibrium isotherms, and the effects on this process of the pH, contact ... -
Flow cytometric analysis of the encystment process induced by paraquat exposure in Haematococcus pluvialis (Chlorophyceae)
Rioboo, Carmen; González-Barreiro, Óscar; Abalde, Julio; Cid, Ángeles (Taylor & Francis, 2011)The freshwater microalga Haematococcus pluvialis exhibits a unique morphological response to environmental stress, accumulating carotenoid pigment during encystment. The complexity of characterizing the different cell ... -
Growth and biochemical profile of juvenile mussels (mytilus galloprovincialis Lmk) fed on different algal diets
Fidalgo Paredes, Pablo; López Muñoz, I.; Abalde, Julio; Herrero, Concepción (National Shellfisheries Association, 1994)The food value of different microalgal diets to juvenile Mytilus galloprovincialis Lmk was assessed. Three different marine microalgae species (Tetraselmis suecica, Dunaliella tertiolecta and Phaeodactylum tricornutum) ... -
Growth and biochemical variability of the marine microalga Chlorella stigmatophora in batch cultures with different salinities and nutrient gradient concentration
Fábregas, Jaime; Herrero, Concepción; Cabezas, Buenaventura; Abalde, Julio (Taylor & Francis Group, 1987-03-30)[Abstract] Chlorella stigmatophora was cultured under 56 different combinations of nutrient-salinity concentrations, ranging from 1 to 64 mM NaNO3 and from 0 to 35%. salinity. Optimal growth conditions for obtaining maximum ... -
Growth of the marine microalga Tetraselmis suecica in batch cultures with different salinities and nutrient concentrations
Fábregas, Jaime; Abalde, Julio; Herrero, Concepción; Cabezas, Buenaventura; Veiga, Manuel (Elsevier Science Publishers, 1984)The marine microalga Tetraselmis suecica is known for its ability to tolerate a wide range of salt concentrations. Cultures were grown under 48 different nutrient concentration-salinity conditions, ranging from 2 to 64 mM ... -
Growth, chlorophyll α and protein of the marine microalga Isochrysis galbana in batch cultures with different salinities and high nutrient concentrations
Fábregas, Jaime; Herrero, Concepción; Abalde, Julio; Cabezas, Buenaventura (Elsevier Science Publishers, 1985)Cultures of the marine microalga Isochrysis galbana were grown under 56 different nutrient concentration-salinity conditions, ranging from 1 to 64 mM NaNO3 and from 0 to 35‰ salinity. Salinity and nutrient concentration ... -
High yield mixotrophic cultures of the marine microalga Tetraselmis suecica (Kylin) Butcher (Prasinophyceae)
Cid, Ángeles; Herrero, Concepción; Abalde, Julio (Springer, 1992-03)The effects of three organic compounds were tested on one of the most used marine micro-algae in the aquaculture of molluscs and crustaceans, Tetraselmis suecica. Studies were made in axenic conditions with yeast extract, ... -
Isobolographic analysis of the interaction between cadmium (II) and sodium sulphate: toxicological consequences
Mera, Roi; Torres, Enrique; Abalde, Julio (Springer, 2016)Sulphate is an essential nutrient for autotrophic organisms and has been shown to have important implications in certain processes of tolerance to cadmium toxicity. Sodium sulphate is the main salt of sulphate in the natural ... -
Isotherm studies for the determination of Cd(II) ions removal capacity in living biomass of a microalga with high tolerance to cadmium toxicity.
Torres, Enrique; Mera, Roi; Herrero, Concepción; Abalde, Julio (Springer Berlin Heidelberg, 2014)The biosorption characteristics of Cd(II) ions using the living biomass of the marine diatom Phaeodactylum tricornutum were investigated. This microalga is a highly tolerant species to cadmium toxicity, for this reason ... -
Long-chain class III metallothioneins as a mechanism of cadmium tolerance in the marine diatom Phaeodactylum tricornutum Bohlin
Torres, Enrique; Cid, Ángeles; Fidalgo Paredes, Pablo; Herrero, Concepción; Abalde, Julio (1997-11)Cadmium tolerance of the marine diatom Phaeodactylum tricornutum Bohlin was studied. P. tricornutum growth was significantly reduced by cadmium concentrations of 5 mg l−1 or higher. The EC50 value was 22.39 mg l−1 of cadmium ... -
Mass culture and biochemical variability of the marine microalga Tetraselmis suecica Kylin (Butch) with high nutrient concentrations
Fábregas, Jaime; Herrero, Concepción; Cabezas, Buenaventura; Abalde, Julio (Elsevier Science Publishers, 1985)Mass cultures of Tetraselmis suecica were carried out with four nutrient concentrations, ranging from 2 to 16 mM of NaNO3 and salinity 35‰. An air flow of 15 l/min maintained a CO2 transference rate sufficient to keep the ... -
La microalga Haematococcus como fuente de astaxantina
Abalde, Julio; Orosa García, Miguel; Torres, Enrique; Cid, Ángeles (Universidade da Coruña, 1999) -
Microalgas: cultivo y aplicaciones
Abalde, Julio; Cid, Ángeles; Fidalgo Paredes, Pablo; Torres, Enrique; Herrero, Concepción (Universidade da Coruña, Servizo de Publicacións, 1995)[Resumen] Esta obra ofrece una amplia y detallada panorámica de las microalgas, su cultivo (parámetros, especies utilizadas, sistemas y procedimientos) y las aplicaciones que pueden tener en la nutrición animal, la ... -
Nutritional properties of four marine microalgae for albino rats
Herrero, Concepción; Abalde, Julio; Fábregas, Jaime (Springer, 1993-12)The nutritive value of the marine microalgaeTetraselmis suecica, Isochrysis galbana, Dunaliella tertiolecta and Chlorella stigmatophora was studied in diets given to rats. Biological assays were carried out in order to ... -
Plankton carbon budget in a coastal wind-driven upwelling station off A Coruña (NW Iberian Peninsula)
Teira, Eva; Abalde, Julio; Álvarez-Ossorio, María Teresa; Bode, Antonio; Cariño, Carlos; Cid, Ángeles; Fernández, Emilio; González, Nicolás; Lorenzo, Jorge; Valencia, Joaquín; Varela, Manuel (Inter-Research, 2003)Seasonal variations in phytoplankton and bacterial biomass along with rates of primary production, dissolved organic carbon (DOC) release, bacterial production, dark respiration and vertical particle flux were determined ...