NDLI: Large-scale production of magnetic nanoparticles using bacterial fermentation

Content Provider	Springer Nature Link
Author	Moon, Ji Won Rawn, Claudia J. Rondine, Adam J. Love, Lonnie J. Roh, Yul Everett, S. Michelle Lauf, Robert J. Phelps, Tommy J.
Copyright Year	2010
Abstract	Production of both nano-sized particles of crystalline pure phase magnetite and magnetite substituted with Co, Ni, Cr, Mn, Zn or the rare earths for some of the Fe has been demonstrated using microbial processes. This microbial production of magnetic nanoparticles can be achieved in large quantities and at low cost. In these experiments, over 1 kg (wet weight) of Zn-substituted magnetite (nominal composition of Zn0.6Fe2.4O4) was recovered from 30 l fermentations. Transmission electron microscopy (TEM) was used to confirm that the extracellular magnetites exhibited good mono-dispersity. TEM results also showed a highly reproducible particle size and corroborated average crystallite size (ACS) of 13.1 ± 0.8 nm determined through X-ray diffraction (N = 7) at a 99% confidence level. Based on scale-up experiments performed using a 35-l reactor, the increase in ACS reproducibility may be attributed to a combination of factors including an increase of electron donor input, availability of divalent substitution metal ions and fewer ferrous ions in the case of substituted magnetite, and increased reactor volume overcoming differences in each batch. Commercial nanometer sized magnetite (25–50 nm) may cost $500/kg. However, microbial processes are potentially capable of producing 5–90 nm pure or substituted magnetites at a fraction of the cost of traditional chemical synthesis. While there are numerous approaches for the synthesis of nanoparticles, bacterial fermentation of magnetite or metal-substituted magnetite may represent an advantageous manufacturing technology with respect to yield, reproducibility and scalable synthesis with low costs at low energy input.
Starting Page	1023
Ending Page	1031
Page Count	9
File Format	PDF
ISSN	13675435
Journal	Journal of Industrial Microbiology and Biotechnology
Volume Number	37
Issue Number	10
e-ISSN	14765535
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-06-11
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Thermoanaerobacter sp. TOR-39 Fermentation Mass production Magnetite Mono-dispersity Reproducibility Microbiology Bioinformatics Biotechnology Genetic Engineering Inorganic Chemistry Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Microbial formation of lanthanide-substituted magnetites by Thermoanaerobacter sp. TOR-39

Large-scale production of bacterial consortia for remediation of chlorinated solvent-contaminated groundwater

Strain development of Streptomyces sp. for tacrolimus production using sequential adaptation

Fermentation of xylose into ethanol by a new fungus strain Pestalotiopsis sp. XE-1

Characterization and large-scale production of recombinant Streptoverticillium platensis transglutaminase

Robust preparative-scale extracellular production of hirudin in Escherichia coli and its purification and characterization

Enhanced production of CoQ10 by newly isolated Sphingomonas sp. ZUTEO3 with a coupled fermentation–extraction process

Production and optimization of thermophilic alkaline protease in solid-state fermentation by Streptomyces sp. CN902

Scalable economic extracellular synthesis of CdS nanostructured particles by a non-pathogenic thermophile

Large-scale production of magnetic nanoparticles using bacterial fermentation

Similar Documents

Microbial formation of lanthanide-substituted magnetites by Thermoanaerobacter sp. TOR-39

Large-scale production of bacterial consortia for remediation of chlorinated solvent-contaminated groundwater

Strain development of Streptomyces sp. for tacrolimus production using sequential adaptation

Fermentation of xylose into ethanol by a new fungus strain Pestalotiopsis sp. XE-1

Characterization and large-scale production of recombinant Streptoverticillium platensis transglutaminase

Robust preparative-scale extracellular production of hirudin in Escherichia coli and its purification and characterization

Enhanced production of CoQ10 by newly isolated Sphingomonas sp. ZUTEO3 with a coupled fermentation–extraction process

Production and optimization of thermophilic alkaline protease in solid-state fermentation by Streptomyces sp. CN902

Scalable economic extracellular synthesis of CdS nanostructured particles by a non-pathogenic thermophile

Large-scale production of magnetic nanoparticles using bacterial fermentation