Green Synthesis of Silver Nanoparticles by Sargassum Cinctum J. Agardh and their Potential for Seed Germination

Abstract

Nanoparticles are recognizing for their applications in various fields of medical sciences and they are also under safety concern. The effects of metals nanoparticles on environment is not yet completely known to us, but some of the study had been elaborated the toxic effects of metal nanoparticles to the environment both aquatic and terrestrial as well as human healths. So, eco-friendly green synthesized nanoparticles are now leading our interest for biosafety purpose. The aqueous solution of brown seaweed (Sargassum cinctum) had been utilized for green synthesized of Silver nanoparticles. The silver nanoparticles were formed due to the reduction of silver nitrate to aqueous silver ions in the presence of seaweed extract. The synthesized silver nanoparticles were characterized using UV-Visible Spectrophotometer, FTIR and Scanning Electron Microscopy. The biochemical compositions such as carbohydrates, proteins, lipids and starch were estimated for the mentioned species according to standard methods and the total phenol, in-vitro antioxidant activity and free radicals DPPH scavenging activities were also estimated. The phytotoxicity of green synthesized silver nanoparticles was evaluated by studying its effect on seed germination of Abelmoschus esculentus, one of the important vegetable items in Indian market.

Biosynthesis of Silver Nanoparticle by Amphiroa anceps (Lamarck) Decaisne and Its Biomedical and Ecological Implications

“…Antimicrobial activity: The antimicrobial activity was tested according to standard method [11,12] and with little modification [3,[14][15][16][17][18][19].…”

“…Test on seeds germination: The seed germination potential of Abelmoschus and Raphanus with treatment of biosynthesized Silver Nanoparticles was investigated according to standard protocol [2,11,12,15,16,[19][20][21].…”

Sargassum swartzii: A source of silver nanoparticles, synthesis and its antibacterial activity

“…So, in many present research works, seaweeds were represented as a potential source of silver nanoparticles. The several previous works on the number of marine algae which were utilized as a source of nanomaterials are Padina pavonia, Pyropia yezoensis, and Sargassum species such as Sargassum angotifolium, Sargassum muticum, Sargassum cinereum, Sargassum cinctum, Sargassum polycystum, Sargassum vulgare, Sargassum tenerrium, Sargassum wightii (Singaravelu et al, 2007;Krishnan et al, 2022;Ballesteros et al, 2022;Mohandass et al, 2013;Roy and Anantharaman, 2017;Thangaraju et al, 2012;Govindaraju et al, 2015;Kumar et al, 2012;Govinddaraju et al, 2009). The single report on Sargassum swartzii for AgNPs synthesis is given by Kala et al, (2015).…”

Biosynthesis of Silver Nanoparticles by Chlorodesmis Hildebrandtii A. Gepp & E. Gepp Including its Agricultural and Biomedical Implications

“…Some previous research showed that some seaweed had excellent activity for plant growth promotion as bio-nano-fertilizer. Such as the bio-nano-fertilizer biosynthesized by the brown seaweed Sargassum cinctum promote 80% seed germination for Abelmoschus esculentus [2], likewise Chaetomorpha antennina biosynthesized Ag-Nanoparticles promote 80% seed germination for Abelmoschus esculentus and 75% seed germination for Raphanus sativus var. longipinnatus [3], Sargassum illicifolium biosynthesized Silver Nanoparticles germinates 60% seeds of Abelmoschus esculentus and 60% seeds of Raphanus sativus var.…”

“…longipinnatus [4] and biosynthesized Silver Nanoparticles by Amphiroa anceps germinated 80% seeds of Abelmoschus esculentus and 80-85.71% seeds of Raphanus sativus var. longipinnatus [5]. In this study, we selected green algae Chlorodesmis hildebrandtii for biosynthesis of Silver Nanoparticles and its application for potential for seed germination, trying to developed the most potent Nano-bio-fertilizer for agricultural application to promote the growth and yield.…”