Lactococcus lactis as a safe and inexpensive source of bioactive silver composites.

ABSTRACT: This research develops a safe, inexpensive, and more accessible source for synthesis of silver nanoparticles. The bioactive silver composites synthesized by Lactococcus lactis 56 KY484989 (LCLB56-AgCs) were characterized by various physico-chemical techniques and investigated for their antimicrobial activity and cytotoxicity. The average amount of nanoparticles was 0.363 ± 0.09 mg from 50 mL of culture medium. The synthesis efficiency varied from 71 to 85%. Synthesized silver nanoparticles with spherical in shape were found to be of 5-50 nm and average diameter 19 ± 2 nm. Based on the shape of isotopic pattern of d-electrons metals, the signals of silver isotopes [¹⁰⁷Ag]⁺ at m/z 106.905 and [¹⁰⁹Ag]⁺ at m/z 108.910 were confirmed. Moreover, LCLB56

SUBMITTER: Viorica RP 

PROVIDER: S-EPMC5594055 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature