each subfolder name is related to the type of measurement carried.

In each subfolder, data are provided in .txt, their names are as follows:
O.txt => data associated to OCNF at 1 wt% without surfactant
O_DTAB_1mM.txt => OCNF 1wt% + DTAB at 1 mM
O_DTAB_5mM.txt => OCNF 1wt% + DTAB at 5 mM
O_DTAB_10mM.txt => OCNF 1wt% + DTAB at 10 mM