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Título: | Influence of abiotic conditions on the biofouling formation of flagellated microalgae culture |
Autor: | García-Abad, L.; López-Rosales, L.; Cerón-García, M. d. C.; Fernández-García, Marta CSIC ORCID ; García-Camacho, Francisco; Molina-Grima, Emilio | Palabras clave: | Microalgae biofouling Cell adhesion extracellular substances N/P ratio light regime |
Fecha de publicación: | 2022 | Editor: | Taylor & Francis | Citación: | Biofouling 38: 507-520 (2022) | Resumen: | This work analyses the adhesion of flagellated microalgae to seven surfaces that have different water adhesion tension characteristics. Chlamydomonas reinhardtii and Isochrysis galbana, were cultivated in batch and fed-batch mode at four nitrogen/phosphorus (N/P) ratios (from 1.29 to 70) and subjected to four irradiance levels (50, 100, 200 and 400 µE·s·m) at 23 °C. Cell adhesion was greater in C. reinhardtii and a higher biomass concentration was obtained for this strain, reaching 2 g·L compared to 1 g·L for I. galbana. The adhesion of cells and exopolymeric substances was measured upon the batch and the first fed-batch reaching the stationary growth phase, observing a direct correlation between them and inversely to biomass generation in the cultures. The protein adhesion data for the different materials are comparable to those for cell adhesion coinciding with minimums of Baier's theory and Vogler. It is observed displacements in the curves as a function of the irradiance level. | Versión del editor: | http://dx.doi.org/10.1080/08927014.2022.2089564 | URI: | http://hdl.handle.net/10261/279651 | DOI: | 10.1080/08927014.2022.2089564 | Identificadores: | doi: 10.1080/08927014.2022.2089564 issn: 1029-2454 |
Aparece en las colecciones: | (ICTP) Artículos (ICMM) Artículos |
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