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Comparison of the detection specificity between aptamer-based biosensor and antibody-based biosensor. The HSA, IgG and IgM were tested at a concentration of 500 mg/L and diluted in the same buffer (10 μM Tris-HCl buffer, pH 7.9) (interaction time: 15 min). The lysozyme was tested at a concentration of 1 mg/L. The testing concentration of IgE was 100 μg/L.
