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Marine bio-resources are being widely studied as an invaluable source of compounds with therapeutic applicability. In particular, macroalgae contain an extended variety of bioactive compounds with different structures and promising biological applications. In this work, Ulva lactuca L. (hereafter UL) was utilyzed for the synthesis of gold and silver nanoparticles. Full characterization by UV–Vis spectroscopy, TEM, HRTEM and STEM miscroscopies, Z Potential and FTIR spectroscopy was performed. The first time in the scientific literature, the composition of carbohydrates of UL extract and their changes observed after nanoparticles synthesis were explored in order to investigate their possible role in the biosynthetic process. The reducing power, total phenolic content and DPPH scavenging activity of UL extract, Au@UL and Ag@UL nanoparticles were determined. The effects of UL extract, Au@UL and Ag@UL were …
Publication date: 
21 Dec 2018

Noelia González-Ballesteros, M Carmen Rodríguez-Argüelles, Sonia Prado-López, Mariano Lastra, Maria Grimaldi, Antonella Cavazza, Lucia Nasi, Giancarlo Salviati, Franca Bigi

Biblio References: 
Materials Science and Engineering: C