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. 2020 Jan 24;10(7):4118–4128. doi: 10.1039/c9ra09963h

Fig. 7. (A) Contact angle of piranha cleaned QCM electrode surface (B) contact angle of E1 surface after GO-AuNP coating (C) contact angle of E2 surface after GO-AuNP coating (D) E1 bioreceptor after anti-CEA immobilization (E) E2 bioreceptor after anti-CEA immobilization.

Fig. 7