Fig. 7
From: An emerging role of microplastics in the etiology of lung ground glass nodules
Representative pictures of microfibers isolated from lung tissues under scanned electron microscope (SEM). a main body structure of cotton; b surface morphology of cotton; c main body structure of rayon; d surface morphology of rayon; e main body structure of polyester; f surface morphology of polyester; g the roughness value (Ra) for microfibers from air deposition, normal tissues, and tumor tissues (n = 4 with 2 cotton microfibers, 1 rayon, and 1 polyester microplastics for each group according to their detected composition percentages); h representative surface roughness images for cotton microfiber from air deposition; i representative surface roughness images for polyester microplastic from air deposition; j representative surface roughness image for cotton microfiber from lung tissues; k representative surface roughness image for rayon microplastic from lung tissues