Skip to main content
. Author manuscript; available in PMC: 2014 Apr 21.
Published in final edited form as: IEEE J Solid-State Circuits. 2013 May;48(5):1290–1301. doi: 10.1109/JSSC.2013.2245058

Table 2.

Comparison to some of the previously published magnetic biosensors.

[48] [31] [10] [50] This work
Sensor Type NMR GMR SV LC Hall GMR SV
# Sensors 1 16 8 10,240 256
Sensor Size [μm × μm] 2,500 × 2,500 120 × 120 N/A 3 × 4 100 × 100
Readout Time/Sensor [ms] 200 250 N/A 0.78 16
Magnetic Tag Size [nm] 38 50 1,000 1,000 50
Min. Detectable Magnetic Tags N/A N/A 1 1 2,000
Input Referred Noise [nT/√Hz] N/A N/A N/A 260 49
Biological LOD [pM] 5,000 (Protein) 10,000 (DNA) 1,000 (DNA) 1,493 (Protein) 0.01 (Protein)
Biological DR [orders] N/A N/A N/A 2 3.5
Temperature Correction No Yes Yes No Yes