The Enhancement of Pyrene Biodegradation by Assembling MFe sub(3)O sub(4) Nano-sorbents on the Surface of Microbial Cells

Microbial cells of Gram +ve Micrococcus lutes RM1 was coated by magnetic MFe sub(3)O sub(4) nanoparticles, which have good adsorption capacity towards pyrene (7.66 mu mole/g). Transmission electron microscope analysis of the cells showed that the MFe sub(3)O sub(4) nanoparticles were efficiently ass...

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Published inEnergy sources. Part A, Recovery, utilization, and environmental effects Vol. 36; no. 17; pp. 1931 - 1937
Main Authors Saed, D, Nassar, H N, El-Gendy, NSh, Zaki, T, Moustafa, Y M, Badr, IHA
Format Journal Article
LanguageEnglish
Published 01.01.2014
Subjects
Assembling
Biodegradation
Coating
Micrococcus
Microorganisms
Nanoparticles
Nanostructure
Pyrenes
Surface chemistry
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Summary:Microbial cells of Gram +ve Micrococcus lutes RM1 was coated by magnetic MFe sub(3)O sub(4) nanoparticles, which have good adsorption capacity towards pyrene (7.66 mu mole/g). Transmission electron microscope analysis of the cells showed that the MFe sub(3)O sub(4) nanoparticles were efficiently assembled on the surfaces of the microbial cell and strongly adsorbed by the surfaces of the cells. The coated cells not only showed higher biodegradation capabilities towards pyrene but could also be reused for three successive cycles characterized by operational stability and have the advantage of magnetic separation.
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ISSN:1556-7036
1556-7230
DOI:10.1080/15567036.2014.889782