The Optimization of Culture Medium Bacillus thermoamylovorance Strain EAMYO by RSM and Improvement Biodesulfurization Activity by Starch/Iron Nano Particles

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ETEMADI N.; AKHAVAN SEPAHI A.; YAZDIAN F.; MOHEBALI GH.A.

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Journal: JOURNAL OF BIOTECHNOLOGY Year:2020 | Volume:11 | Issue:1 Page(s): 127-136

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Title

The Optimization of Culture Medium Bacillus thermoamylovorance Strain EAMYO by RSM and Improvement Biodesulfurization Activity by Starch/Iron Nano Particles

Author(s)

ETEMADI N. | AKHAVAN SEPAHI A. | YAZDIAN F. | MOHEBALI GH.A. | Issue Writer Certificate

Keywords

Thermophilic BacteriumQ1

Bio-DesulfurizationQ1

RSMQ1

Starch Modified Iron NanoparticlesQ1

Abstract

The combustion of fossil fuels containing sulfur results in the release of sulfur dioxide into the atmosphere and environmental pollution. Hence, the researchers focused on biological desulfurization method. Dibenzothiophene is used as a model molecule to study the ability of the desulfurization of microorganisms. The most suitable sources of carbon, nitrogen and sulfur concentration optimized by the response surface method to obtain the highest cell growth and biological desulfurization activity. The performance of iron nanoparticles on the growth and biodesulfurization activity of Thermophilic Bacterium Bacillus thermoamylovorans strain EAMYO was investigated. Characterization of starch-modified iron nanoparticles was performed by TEM and SEM. The images of TEM and SEM of these nanoparticles showed that the Fe3O4 and Fe0 nanoparticles were 20 and 30nm, respectively. The investigating the growth of microorganism in the presence of iron nanoparticles showed that these nanoparticles not only did not have a toxic effect on microorganism growth, but also increased the growth of microorganism in 96h (OD660= 1. 864, 1. 896 respectively in the presence of nanoparticles Fe0 and Fe3O4), while the highest rate of growth in the absence of nanoparticles in 96h (OD660= 1. 51). Also, the activity of desulfurization in the presence of starch/Fe0 nanoparticles and starch/Fe3O4/starch increased by 26. 52% and 10. 75%, respectively, compared to the cells without the coating of iron nanoparticles.

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APA: Copy

ETEMADI, N., AKHAVAN SEPAHI, A., YAZDIAN, F., & MOHEBALI, GH.A.. (2020). The Optimization of Culture Medium Bacillus thermoamylovorance Strain EAMYO by RSM and Improvement Biodesulfurization Activity by Starch/Iron Nano Particles. JOURNAL OF BIOTECHNOLOGY, 11(1 ), 127-136. SID. https://sid.ir/paper/231191/en

Vancouver: Copy

ETEMADI N., AKHAVAN SEPAHI A., YAZDIAN F., MOHEBALI GH.A.. The Optimization of Culture Medium Bacillus thermoamylovorance Strain EAMYO by RSM and Improvement Biodesulfurization Activity by Starch/Iron Nano Particles. JOURNAL OF BIOTECHNOLOGY[Internet]. 2020;11(1 ):127-136. Available from: https://sid.ir/paper/231191/en

IEEE: Copy

N. ETEMADI, A. AKHAVAN SEPAHI, F. YAZDIAN, and GH.A. MOHEBALI, “The Optimization of Culture Medium Bacillus thermoamylovorance Strain EAMYO by RSM and Improvement Biodesulfurization Activity by Starch/Iron Nano Particles,” JOURNAL OF BIOTECHNOLOGY, vol. 11, no. 1 , pp. 127–136, 2020, [Online]. Available: https://sid.ir/paper/231191/en

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