Florian Muthreich is lead author (with a number of colleagues from the BIOSPEC group at NMBU) on this recent paper whihc investigates a series of data processing techniques to remove scattering in micro-FTIR spectra on small pollen grains like those from oaks (Quercus). This paper arose from his PhD project and was a great collaboration between the two research groups. You can see the paper here: https://www.sciencedirect.com/science/article/pii/S0003267025002739