An SV-GMR Needle Sensor-Based Estimation of Volume Density of Magnetic Fluid inside Human Body

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="90293.fig.007a" src="https://static.hindawi.com/articles/js/volume-2008/890293/figures/90293.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Analytical calculation</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="90293.fig.007b" src="https://static.hindawi.com/articles/js/volume-2008/890293/figures/90293.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Measured value</td></tr></table></td></tr></table>

<table>Magnetic field distribution inside a 2-square
Helmholtz coil system.</table>

Journal of Sensors

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Figure 7

Figure 7: An SV-GMR Needle Sensor-Based Estimation of Volume Density of Magnetic Fluid inside Human Body 