Figure 5

Suppression of NC background with TG-SERS (red curve) and without background suppression using only NC (black curve). The image was created with OriginPro (V. 2016b and 2018b; https://www.originlab.com/index.aspx?go=Products/Origin).

Suppression of NC background with TG-SERS (red curve) and without background suppression using only NC (black curve). The image was created with OriginPro (V. 2016b and 2018b; https://www.originlab.com/index.aspx?go=Products/Origin).