Fig. 6

Detection of the PET-MPs in lungs by Raman spectroscopy. (a) The particles on the silicon filter were observed, and (b) the peak of the particles was the same as that of the raw material of PET plastics.

Detection of the PET-MPs in lungs by Raman spectroscopy. (a) The particles on the silicon filter were observed, and (b) the peak of the particles was the same as that of the raw material of PET plastics.