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(A) The results of SWV response of aptasensor toward 50 ng/mL of different nonspecific (IL-2, IFN-γ, BSA, IgG) molecules and 50 ng/mL of the specific target molecule (TGF-β1). Plot showing the change in aptasensor current resulting due to each nonspecific and specific molecule. These results show that the biosensor did not respond to nonspecific proteins but did respond to TGF-β1. (B) Response of the aptasensor toward 50 ng/mL of different isoforms of the TGF-β molecule.
