Research Article
Microbial-Physical Synthesis of Fe and Fe3O4 Magnetic Nanoparticles Using Aspergillus niger YESM1 and Supercritical Condition of Ethanol
Figure 2
(a) Aspergillus niger liquid culture illustrating the trapping of FeSO4 by the fungal cells, leaving the above solution clear. (b) Aspergillus niger in case of FeCl3: no trapping happened and solution is turbid.
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