AuNPs-Based Colorimetric Assay for Identification of Chicken Tissues in Meat and Meat Products

Figure 2

(a) The effect of thiol for colorimetric assays was verified by UV-Vis absorption spectral ((b), (c)) TEM images of AuNPs after the addition of labeled (b) and unlabeled PCR products and salt (c).

(a)

(b)

(c)