Listar por autor "Cid, Ángeles"
Mostrando ítems 21-40 de 55
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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, ... -
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 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 ... -
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 ... -
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, ... -
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 ... -
La microalga Haematococcus como fuente de astaxantina
Abalde, Julio; Orosa García, Miguel; Torres, Enrique; Cid, Ángeles (Universidade da Coruña, 1999) -
Microalgal Bioassays as a Test of Pesticide Photodegradation Efficiency in Water
Rioboo, Carmen; Franqueira, Dolores; Canle, Moisés; Herrero, Concepción; Cid, Ángeles (Springer, 2001-08) -
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 ... -
Modeling the Number of People Infected With SARS-COV-2 From Wastewater Viral Load in Northwest Spain
Vallejo, J. A.; Trigo Tasende, Noelia; Rumbo-Feal, Soraya; Conde-Pérez, Kelly; López-Oriona, Ángel; Barbeito, Inés; Vaamonde, Manuel; Tarrío-Saavedra, Javier; Reif López, Rubén; Ladra, Susana; Rodiño-Janeiro, Bruno Kotska; Nasser-Ali, Mohammed; Cid, Ángeles; Veiga, María Carmen; Acevedo, Antón; Lamora, Carlos; Bou, Germán; Cao, Ricardo; Poza, Margarita (Elsevier, 2022)[Abstract] The quantification of the SARS-CoV-2 RNA load in wastewater has emerged as a useful tool to monitor COVID–19 outbreaks in the community. This approach was implemented in the metropolitan area of A Coruña (NW ... -
Physiological response of freshwater microalga (Chlorella vulgaris) to triazine and phenylurea herbicides
Rioboo, Carmen; González Barreiro, Óscar; Herrero, Concepción; Cid, Ángeles (2002-09)[Abstract]The effects of two herbicides used wide-spread, isoproturon (phenylurea) and terbutryn (triazine), on growth, dry weight, elemental composition, photosynthetic pigments and protein content, and cell volume assayed ... -
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 ... -
Population growth study of the rotifer Brachionus sp. fed with triazine-exposed microalgae
Rioboo, Carmen; Prado, Raquel; Herrero, Concepción; Cid, Ángeles (2007-08)[Abstract]Few data exist on potential toxic effects that pollutants may have on zooplankton fed microalgae exposed to pesticides. For that reason, microalgal cultures were exposed to different concentrations of the triazine ... -
Potential use of flow cytometry in toxicity studies with microalgae
Franqueira, Dolores; Orosa García, Miguel; Torres, Enrique; Herrero, Concepción; Cid, Ángeles (2000-03)[Abstract]Cytotoxic effects of aquatic pollutants on microalgae are very heterogeneous, and they are influenced by environmental conditions and the test species. Stress produced by copper or paraquat addition to the culture ... -
Purification and characterization of phycocyanin from the marine cyanobacterium Synechococcus sp. IO9201
Abalde, Julio; Betancourt, Liliana; Torres, Enrique; Cid, Ángeles; Barwell, Clive (Elsevier, 1998-08-07)This paper describes a suitable method for the optimum extraction and isolation of phycocyanin from the cyanobacterium Synechococcus sp. IO9201 isolated from Caribbean waters. Phycocyanin from this microorganism was purified ... -
Rapid assay for the analysis of class III metallothioneins by capillary zone electrophoresis in crude extracts of microalgal cells exposed to cadmium
Torres, Enrique; Cid, Ángeles; Fidalgo Paredes, Pablo; Abalde, Julio (Elsevier, 1997-07-18)An optimization strategy for the separation and analysis of class III metallothioneins from a complex matrix by capillary zone electrophoresis (CZE) is presented and illustrated. Metallothioneins are a group of polypeptides ... -
Removal of cadmium ions by the marine diatom Phaeodactylum tricornutum Bohlin accumulation and long-term kinetics of uptake
Torres, Enrique; Cid, Ángeles; Herrero, Concepción; Abalde, Julio (Elsevier, 1998-03)The marine diatom Phaeodactylum tricornutum Bohlin was exposed to different cadmium concentrations (1–100 mg l−1) for 4 days. The amount of cadmium removed was recorded, with particular attention paid to long-term uptake ...