The estimated baseline for 11 macrophage spectra using the spline approach.

The estimated peak spectra using the spline approach for three macrophage

e 5.25 shows three of nine estimated peak spectra for the bacteria

t 30 minutes. There are still too many artifacts in the spectra.

26 shows one of 11 estimated peak spectra for the macrophage

g airPLS. The upper panel shows an estimated baseline and the

nel shows a predicted peak spectrum. It can be seen that airPLS

well for the right part of the spectra, but was not reasonable in the