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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mohanraj, Sundaresan Kodhaiyolii, Shanmugam Rengasamy, Mookan Pugalenthi, Velan |
| Description | Country affiliation: India Author Affiliation: Mohanraj S ( Department of Biotechnology, Bharathidasan Institute of Technology, Anna University, Tiruchirappalli, 620 024, Tamil Nadu, India.) |
| Abstract | A green synthesis of iron oxide nanoparticles (FeNPs) was developed using Murraya koenigii leaf extract as reducing and stabilizing agent. UV–vis spectra show that the absorption band centred at a wavelength of 277 nm which corresponds to the surface plasmon resonances of synthesized FeNPs. Fourier transform infrared spectroscopy spectrum exhibits that the characteristic band at $580 cm^{−1}$ is assigned to Fe–O of $γ-Fe_{2}O_{3}.$ Transmission electron microscopy image confirms that the spherical with irregular shaped aggregates and average size of nanoparticles was found to be ∼59 nm. The effect of synthesized FeNPs on fermentative hydrogen production was evaluated from glucose by Clostridium acetobutylicum NCIM 2337. The hydrogen yield in control experiment was obtained as $1.74 ± 0.08 mol H_{2}/mol$ glucose whereas the highest hydrogen yield in FeNPs supplemented experiment was achieved as $2.33 ± 0.09 mol H_{2}/mol$ glucose at 175 mg/L of FeNPs. In addition, the hydrogen content and hydrogen production rate were also increased from 34 ± 0.8 to 52 ± 0.8 % and 23 to 25.3 mL/h, respectively. The effect of FeNPs was compared with supplementation of $FeSO_{4}$ on fermentative process. The supplementation of FeNPs enhanced the hydrogen production in comparison with control and $FeSO_{4}.$ The supplementation of FeNPs led to the change of the metabolic pathway towards high hydrogen production due to the enhancement of ferredoxin activity. The fermentation type was shifted from butyrate to acetate/butyrate fermentation type at the addition of FeNPs. |
| File Format | HTM / HTML |
| ISSN | 02732289 |
| Issue Number | 1 |
| Volume Number | 173 |
| e-ISSN | 15590291 |
| Journal | Applied Biochemistry and Biotechnology |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2014-05-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry Discipline Biotechnology Clostridium Acetobutylicum Metabolism Ferric Compounds Hydrogen Bioreactors Microbiology Fermentation Chemical Synthesis Green Chemistry Technology Murraya Chemistry Nanoparticles Plant Extracts Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology |
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