. Author manuscript; available in PMC: 2017 Jul 5.

Published in final edited form as: Anal Chim Acta. 2016 Apr 25;926:79–87. doi: 10.1016/j.aca.2016.04.031

Table 2.

Signal-to-noise (SNR) ratios of near infrared spectral images collected in transmittance at varying thicknesses (N = 3 images per thickness, 1000 pixels each image).

Sample thickness	Average SNR	Standard deviation
20 μm	400	±136
40 μm	700	±148
60 μm	1400	±211
80 μm	2200	±301