Room temperature biogenic synthesis of multiple nanoparticles (Ag, Pd, Fe, Rh, Ni, Ru, Pt, Co, and Li) by Pseudomonas aeruginosa SM1

Room temperature biosynthesis of Ag, Pd, Fe, Rh, Ni, Ru, Pt, Co, and Li nanoparticles was achieved using Pseudomonas aeruginosa SM1 without the addition of growth media, electron donors, stabilizing agents, preparation of cell/cell-free extract or temperature, and pH adjustments. The resulting nanop...

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Published in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2012-03, Vol.14 (4), p.1-10, Article 831
Main Authors: Srivastava, Sarvesh Kumar, Constanti, Magda
Format: Article
Language:English
Subjects:
Amines
Biosynthesis
Characterization and Evaluation of Materials
Chemistry and Materials Science
Growth media
Inorganic Chemistry
Lasers
Materials Science
Nanoparticles
Nanotechnology
Optical Devices
Optics
Photonics
Physical Chemistry
Pseudomonas aeruginosa
Research Paper
X-ray diffraction
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container_title Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology
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creator Srivastava, Sarvesh Kumar
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description Room temperature biosynthesis of Ag, Pd, Fe, Rh, Ni, Ru, Pt, Co, and Li nanoparticles was achieved using Pseudomonas aeruginosa SM1 without the addition of growth media, electron donors, stabilizing agents, preparation of cell/cell-free extract or temperature, and pH adjustments. The resulting nanoparticles were characterized by Transmission electron microscopy and X-ray diffraction. It was observed that P. aeruginosa SM1 is capable of producing both intracellular (Co and Li) and extracellular (Ag, Pd, Fe, Rh, Ni, Ru, and Pt) nanoparticles in both crystalline and amorphous state. The FT-IR spectra clearly showed the presence of primary and secondary amines which may be responsible for the reduction and subsequent stabilization of the resulting extracellular nanoparticles which were obtained as a one-step process. This suggests toward an unknown “selection mechanism” that reduces certain metal ions and allows others to enter the cell membrane. Finally, in this first of its kind study, single strain of bacteria was used to produce several different mono-metallic nanoparticles.
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1572-896X
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source Springer Nature
subjects Amines
Biosynthesis
Characterization and Evaluation of Materials
Chemistry and Materials Science
Growth media
Inorganic Chemistry
Lasers
Materials Science
Nanoparticles
Nanotechnology
Optical Devices
Optics
Photonics
Physical Chemistry
Pseudomonas aeruginosa
Research Paper
X-ray diffraction
title Room temperature biogenic synthesis of multiple nanoparticles (Ag, Pd, Fe, Rh, Ni, Ru, Pt, Co, and Li) by Pseudomonas aeruginosa SM1
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