Listar por autor "Herrero, Concepción"
Mostrando ítems 21-40 de 71
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Copper toxicity on the marine microalga Phaeodactylum tricornutum: effects on photosynthesis and related parameters
Cid, Ángeles; Herrero, Concepción; Torres, Enrique; Abalde, Julio (Elsevier, 1995-02)Essential heavy metals, as copper, can be toxic for microalgae at high concentrations. Copper affected growth and other parameters closely related to photosynthesis of the marine diatom Phaeodactylum tricornutum. A copper ... -
Crecimiento y composición bioquímica de la microalga marina Tetraselmis suecica en cultivos mixotróficos con distintos azúcares y aminoácidos
Cid, Ángeles; Abalde, Julio; Herrero, Concepción (Station Biologique de Roscoff, 1992)[Résumé] Croissance et composition biochimique de la microalgue TetrasellIIis sllecica dans des cultures mixotrophiques avec différents sucres et aminoacides. Trois sucres, fructose, saccharose et manose et trois acides ... -
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, ... -
Cytotoxic effects of pesticides on microalgae determined by flow cytometry
Rioboo, Carmen; Prado, Raquel; Herrero, Concepción; Cid, Ángeles (Nova Science Publishers, 2009)As much as ca. 99.7% of the applied load of pesticides is dispersed in the environment, not reaching the target pests. In this way, pesticides enter into aquatic ecosystems from agricultural runoff or leaching and, as a ... -
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 ... -
Decrease of plasma cholesterol with the marine microalga dunaliella tertiolecta in hypercholesterolemic rats
Fábregas, Jaime; Herrero, Concepción; Gamallo, Yolanda; Otero, Ana; Paz, José Manuel; Vecino, E. (Applied Microbiology, Molecular and Cellular Biosciences Research Foundation (Japan), 1994)Female Sprague-Dawley rats, whose plasma cholesterol level had been previously increased, were fed on a diet including 22% biomass of the marine microalga Dunaliella tertiolecta. This diet was compared to two control diets, ... -
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 ... -
Early alterations on photosynthesis-related parameters in Chlamydomonas reinhardtii cells exposed to atrazine: A multiple approach study
Esperanza, Marta; Seoane, Marta; Rioboo, Carmen; Herrero, Concepción; Cid, Ángeles (Elsevier, 2016-06-01)Chlamydomonas reinhardtii cells were exposed to a sublethal concentration of thewidespread herbicide atrazine for 3 h. Physiological cellular parameters, such as chlorophyll a fluorescence and oxidative stress monitored ... -
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, ... -
Effect of oil and dispersant on growth and chlorophyll a content of the marine microalga Tetraselmis Suecica
Herrero, Concepción; Fábregas, Jaime; Veiga, Manuel (American Society for Microbiology, 1984)[Abstract] Low hydrocarbon concentrations stimulated the growth of Tetraselmis suecica, whereas higher concentrations (200 ppm) inhibited growth. The content of chlorophyll a in this microalga was affected in a similar ... -
Effects of nitrogen source and growth phase on proximate biochemical composition, lipid classes and fatty acid profile of the marine microalga "Isochrysis Galbana"
Fidalgo Paredes, Pablo; Cid, Ángeles; Torres, Enrique; Sukenik, A.; Herrero, Concepción (1998-07)[Abstract]The marine microalga Isochrysis galbana was cultured in nitrate, nitrite or urea media to examine changes in the gross biochemical composition, with special emphasis on the growth phase associated changes in the ... -
Flow cytometric analysis to evaluate physiological alterations in herbicide-exposed Chlamydomonas moewusii cells
Prado, Raquel; Rioboo, Carmen; Herrero, Concepción; Suárez-Bregua, Paula; Cid, Ángeles (Springer, 2012-03)Investigation of herbicide toxicology in non-target aquatic primary producers such as microalgae is of great importance from an ecological point of view. In order to study the toxicity of the widely used herbicide paraquat ... -
Flow cytometric assay to assess short-term effects of personal care products on the marine microalga Tetraselmis suecica
Seoane, Marta; Esperanza, Marta; Rioboo, Carmen; Herrero, Concepción; Cid, Ángeles (Elsevier, 2017)[Abstract] Large quantities of personal care products (PCPs) are used daily and many of their chemical ingredients are subsequently released into marine environments. Cultures of the marine microalga Tetraselmis suecica ... -
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, ... -
Improvement of growth rate and cell productivity by aeration rate in cultures of the marine microalga Dunaliella tertiolecta
Fábregas, Jaime; Ferrón, L.; Gammallo, Y.; Vecino, E.; Otero, Ana; Herrero, Concepción (Elsevier, 1994)The effect of different aeration rates and CO2 supply regimes on mass cultures of the marine microalga Dunaiella tertiolecta was studied. Eight aeration rates in the range 0-6.51 litres of air min-1 litre of culture-1 were ...