Figure 3: Photograph of color changes caused by adding HBeAg to aptamer-linked AuNPs.
From: Fluorescence based Aptasensors for the determination of hepatitis B virus e antigen
From left to right: aptamer-linked AuNPs + 0.09 M NaCl; aptamer-linked AuNPs + 50 nM parenzyme + 0.09 M NaCl; aptamer-linked AuNPs + 50 nM HBcAg + 0.09 M NaCl; aptamer-linked AuNPs + 50 nM HBeAg + 0.09 M NaCl.
