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Effects of Silver Nanoparticles on the Red Microalga Porphyridium purpureum CNMN-AR-02, Cultivated on Two Nutrient Media

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dc.contributor.author RUDI, Ludmila
dc.contributor.author CEPOI, Liliana
dc.contributor.author CHIRIAC, Tatiana
dc.contributor.author DJUR, Svetlana
dc.contributor.author VALUTA, Ana
dc.contributor.author MISCU, Vera
dc.date.accessioned 2024-06-11T06:24:30Z
dc.date.available 2024-06-11T06:24:30Z
dc.date.issued 2024
dc.identifier.citation RUDI, Ludmila et al. Effects of Silver Nanoparticles on the Red Microalga Porphyridium purpureum CNMN-AR-02, Cultivated on Two Nutrient Media. In: Marine Drugs, 2024, vol. 22, p. 208. ISSN 1660-3397. en_US
dc.identifier.issn 1660-3397
dc.identifier.uri https://doi.org/10.3390/md22050208
dc.identifier.uri http://repository.utm.md/handle/5014/27349
dc.description Acces full text - https://doi.org/10.3390/md22050208 en_US
dc.description.abstract The purpose of this study was to examine the influence of 10 and 20 nm nanoparticles (AgNPs) on the growth and biochemical composition of microalga Porphyridium purpureum CNMNAR-02 in two media which differ by the total amount of mineral salts (MM1 with 33.02 g/L and MM2 with 21.65 g/L). Spectrophotometric methods were used to estimate the amount of biomass and its biochemical composition. This study provides evidence of both stimulatory and inhibitory effects of AgNPs on different parameters depending on the concentration, size, and composition of the nutrient medium. In relation to the mineral medium, AgNPs exhibited various effects on the content of proteins (an increase up to 20.5% in MM2 and a decrease up to 36.8% in MM1), carbohydrates (a decrease up to 35.8% in MM1 and 39.6% in MM2), phycobiliproteins (an increase up to 15.7% in MM2 and 56.8% in MM1), lipids (an increase up to 197% in MM1 and no changes found in MM2), antioxidant activity (a decrease in both media). The composition of the cultivation medium has been revealed as one of the factors influencing the involvement of nanoparticles in the biosynthetic activity of microalgae. en_US
dc.language.iso en en_US
dc.publisher MDPI (Basel, Switzerland) en_US
dc.relation.ispartofseries Marine Drugs;2024, vol. 22
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject Porphyridium purpureum en_US
dc.subject silver nanoparticles en_US
dc.subject nutrient media en_US
dc.subject biomass en_US
dc.subject antioxidant activity en_US
dc.subject malondialdehyde content en_US
dc.title Effects of Silver Nanoparticles on the Red Microalga Porphyridium purpureum CNMN-AR-02, Cultivated on Two Nutrient Media en_US
dc.type Article en_US


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Attribution-NonCommercial-NoDerivs 3.0 United States Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 United States

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