EFFECT OF VARIOUS PARAMETERS ON SILVER NANOPARTICLES BIOSYNTHESIS BY TRICHODERMA ASPERELLUM
Corresponding Author(s) : Nguyen Phuc Quan
UED Journal of Social Sciences, Humanities and Education,
Vol. 9 No. 4 (2019): UED JOURNAL OF SOCIAL SCIENCES, HUMANITIES AND EDUCATION
Synthesis of silver nanoparticles (AgNPs) by biological methods has many advantages compared to the chemical and physical methods, especially the eco-friendly atrribute and focusing on research in the world. The study presented the results on evaluation the effect of several factors on the AgNPs synthesis through two Trichoderma asperellum strains. The results showed that the synthesized AgNPs’ size was in the range of 2-7 nm. Adding citric acid at a concentration of 10 g/l to the incubation of fungal biomass and distilled water increased AgNPs synthesis efficiency by 1.8 times. Shaking the filtrate and AgNO3 at 140 rpm in 120 hours did not affect the efficiency of AgNPs synthesis. The solution of AgNPs from T. asperellum r1 strain was able to inhibit the growth of the pathogenic strains including E. coli and R. solanacearum.
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