Listar por autor "Herrero, Concepción"
Mostrando ítems 61-71 de 71
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The herbicide paraquat induces alterations in the elemental and biochemical composition of non-target microalgal species
Prado, Raquel; Rioboo, Carmen; Herrero, Concepción; Cid, Ángeles (2009-09)[Abstract]Huge quantities of pesticides are dispersed in the environment, affecting non-target organisms. Since paraquat affects the photosynthetic process, the biochemical composition of affected species should be altered. ... -
The marine microalga Chlorella stigmatophora as a potential source of single cell protein: Enhancement of the protein content in response to nutrient enrichment
Fábregas, Jaime; Herrero, Concepción; Abalde, Julio; Cabezas, Buenaventura (Elsevier, 1986)Mass cultures of Chlorella stigmatophora were carried out in order to obtain maximum protein production and to study the chemical variations in function of the nutrient concentration. Cultures reached maximum cellular ... -
Tolerance and detoxification mechanisms in marine diatom Phaeodactylum tricornutum exposed to cadmium
Torres, Enrique; Cid, Ángeles; Fidalgo Paredes, Pablo; Herrero, Concepción; Abalde, Julio (Springer, 1995)Tolerance is one of the most important mechanisms for survival. Organisms living in polluted environments with heavy metals develop tolerance to these contaminants; this tolerance has been attributed to the ability to ... -
Toxic action of copper on the membrane system of a marine diatom measured by flow cytometry
Cid, Ángeles; Fidalgo Paredes, Pablo; Herrero, Concepción; Abalde, Julio (WILEY-Liss, 1996-09)Flow cytometric measurements were used to investigate the toxic action of copper on some Phaeodactylum tricornutum membrane systems. Throughout the time of metal exposure, the percentage of viable cells decreased as copper ... -
Toxicity induced by three antibiotics commonly used in aquaculture on the marine microalga Tetraselmis suecica (Kylin) Butch
Seoane, Marta; Rioboo, Carmen; Herrero, Concepción; Cid, Ángeles (Elsevier, 2014-10)Aquaculture facilities are a potential source of antibiotics to the aquatic ecosystems. The presence of these compounds in the environment may have deleterious effects on non-target aquatic organisms such as microalgae, ... -
Use of Microalgae as Biological Indicators of Pollution: Looking for New Relevant Cytotoxicity Endpoints
Cid, Ángeles; Prado, Raquel; Rioboo, Carmen; Suárez-Bregua, Paula; Herrero, Concepción (Nova Science Publishers, 2012)An important amount of the applied load of pesticides enter into aquatic ecosystems from agricultural runoff or leaching and, as a consequence, have become some of the organic pollutants that appear most frequently on ... -
Use of the Comet Assay to Evaluate Pesticide Toxicity on Non-Target Microalgae
Prado, Raquel; García Díaz, Rosa; Rioboo, Carmen; Abalde, Julio; Herrero, Concepción; Cid, Ángeles (Nova Science Publishers, 2009)Aquatic environments are often contaminated with numerous organic and inorganic compounds. More than 90% of the applied load of pesticides is dispersed in the environment, reaching non-target species of these aquatic ... -
Variations in the biochemical profile of the marine microalga Dunaliella tertiolecta (Butcher) cultured with different nutrient concentrations and urea as a nitrogen source
Herrero, Concepción; Abalde, Julio; Cid, Ángeles; Fidalgo Paredes, Pablo; Fábregas, Jaime (Station Biologique de Roscoff, 1994)[Abstract] Variations in the biochemical profile of the marine microalga Dunaliella tertiolecta (Butcher) cultured with different nutrient concentrations and urea as a nitrogen source. Cultures of the marine microalga ... -
Vitamin content of four marine microalgae. Potential use as source of vitamins in nutrition
Fábregas, Jaime; Herrero, Concepción (Elsevier, 1990-06)Certain marine microalgae contain water-and lipid-soluble vitamins and can be used as food supplements or food ingredients. A number of vitamins are present in higher concentrations in the microalgae than in conventional ... -
Yields in biomass and chemical constituents of four commercially important marine microalgae with different culture media
Herrero, Concepción; Cid, Ángeles; Fábregas, Jaime; Abalde, Julio (Elsevier, 1991)The use of the commercial nutrient Algal-1 was studied in mass cultures of the marine microalgaeTetraselmis suecica, Dunaliella tertiolecta, Isochrysis galbana and Phaeodactylum tricornutum, in comparison with the use of ... -
β-carotene, vitamin C and vitamin E content of the marine microalga Dunaliella tertiolecta cultured with different nitrogen sources
Herrero, Concepción; Abalde, Julio; Fábregas, Jaime (Elsevier, 1991)Variations in the β-carotene, vitamin C and vitamin E content of D. tertiolecta have been shown to result from the nitrogen source used in the culture medium. Differences of 101%, 38% and 69% have been found in β-carotene, ...