Fig. 1.

This schematic diagram describes the whole process of silver nanoparticles synthesis. A) Collection of Spirogyra hyalina from a local pond. B) Shade Dried Spirogyra hyalina. C) Powder form of Spirogyra hyalina. D) Extract of Spirogyra hyalina. E) Silver nitrate. F) 1 mM solution of Silver nitrate. G) Mixing of Silver nitrate and Spirogyra hyalina extract. H) Reaction of Algae extract and Silver nitrate, kept on magnetic stirrer. H) Centrifugation after reaction. J) Pure Silver nanoparticles. K) Reaction mechanism of silver nitrate and algae extract for silver nanoparticles synthesis.