Numerical Study on Mass Sensitivity of Magnetoelastic Biosensors with Concentrated Mass Load under Different Resonance Modes

Figure 1

Schematic illustration of a magnetoelastic sensor with a concentrated mass loaded on its surface. , , and are the total length, width, and thickness of the sensor, respectively; the origin of coordinate is established at the middle of the left end of the sensor; -axis is along the length direction; -axis is along thickness direction; -axis is along width direction; is x-coordinate of the concentrated mass load.