The ability of formation of the silver nanoparticles by Candida guilliermondii BDU-127 and Candida macedoniensis BDU-MI44 was comparatively studied. It was found that the formation of silver nanoparticles was observed in Candida guilliermondii BDU-127 after 22 hours of incubation and in Candida macedoniensis BDU-MI44 after 16 hours of incubation. The silver nanoparticles formed by Candida guilliermondii BDU-127 in the UV spectrum showed absorption at 405 nm, while silver nanoparticles formed by Candida macedoniensis BDU-MI44 exhibited absorption at 410 nm. The silver nanoparticles formed by both strains had a spherical shape. The size of silver nanoparticles formed by Candida guilliermondii BDU-127 was 34.2-37.5 nm, while the size of silver nanoparticles formed by Candida macedoniensis BDU-MI44 was 14-22 nm. X-ray spectral analysis showed that the nanoparticles formed by both strains belonged to silver (AgLa1).

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