Thrombin Assessment on Nanostructured Label-Free Aptamer-Based Sensors: A Mapping Investigation via Surface-Enhanced Raman Spectroscopy

Table 1

Coefficients of variation for each spectral band considered in the SERS analysis for the four investigated thrombin concentrations.

Thrombin concentrations [nM]	Raman shift [cm^−1]
	822	1140	1558
0.0873	0.3422	0.1773	0.1867
0.873	0.0454	0.0859	0.0451
8.73	0.1894	0.2749	0.0759
87.3	0.0913	0.1526	0.1755