Sensitivity Improvement of an Impedimetric Immunosensor Using Functionalized Iron Oxide Nanoparticles

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="746548.fig.0011a" src="https://static.hindawi.com/articles/js/volume-2009/746548/figures/746548.fig.0011a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Detection using system 1 based on SAM</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="746548.fig.0011b" src="https://static.hindawi.com/articles/js/volume-2009/746548/figures/746548.fig.0011b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Detection using system 2 based on iron oxide nanoparticles</td></tr></table></td></tr></table>

<table>Optical calibration curves describing the variation of angle shift <svg height="12.4375" id="M129" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 21.5 12.4375" width="21.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> against antigen concentrations:</table>

Journal of Sensors

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Figure 11

Figure 11: Sensitivity Improvement of an Impedimetric Immunosensor Using Functionalized Iron Oxide Nanoparticles 