Microbial-Physical Synthesis of Fe and Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles Using<i> Aspergillus niger</i> YESM1 and Supercritical Condition of Ethanol

<div>(a) Magnetization dependence on external magnetic field at room temperature for Fe nanoparticles. (b) Determination of magnetic domain size from the initial slope of <svg height="8.98583pt" id="M3" style="vertical-align:-0.3499308pt" version="1.1" viewbox="-0.0498162 -8.6359 37.3842 8.98583" width="37.3842pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M962 650H795L470 145L347 650H176L170 622C268 613 275 606 244 503L190 322C150 188 132 126 118 91C102 50 80 33 18 28L12 0H245L251 28C175 35 170 48 174 93C177 128 191 180 220 284L292 542H294C331 392 383 150 409 4H432L774 555H776L714 137C700 40 694 34 612 28L606 0H868L874 28C793 34 784 37 797 137L849 533C859 612 863 616 956 622L962 650Z" id="g113-78"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="985" vert-adv-y="985"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,15.713,0)"><path d="M528 54L331 254L528 455L492 493L294 291L96 493L60 455L257 254L60 54L96 16L294 217L492 16L528 54Z" id="g117-42"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="587" vert-adv-y="587"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,26.249,0)"><path d="M828 650H570L564 622C646 614 650 609 634 524L604 366H253L281 524C296 608 308 615 382 622L388 650H132L126 622C211 615 214 609 198 524L121 122C106 42 102 35 23 28L17 0H276L282 28C196 35 191 40 206 122L243 324H597L559 123C544 42 537 35 452 28L446 0H710L716 28C632 35 628 43 643 122L719 524C735 610 741 615 822 622L828 650Z" id="g113-73"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="840" vert-adv-y="840"></glyph.data></g></svg> curve.</div>

Journal of Nanomaterials

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Figure 8

Figure 8: Microbial-Physical Synthesis of Fe and Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles Using<i> Aspergillus niger</i> YESM1 and Supercritical Condition of Ethanol 

Journal of Nanomaterials

Microbial-Physical Synthesis of Fe and Fe3O4 Magnetic Nanoparticles Using Aspergillus niger YESM1 and Supercritical Condition of Ethanol

Figure 8

Microbial-Physical Synthesis of Fe and Fe₃O₄ Magnetic Nanoparticles Using Aspergillus niger YESM1 and Supercritical Condition of Ethanol