Figure 4.
Scanning electron microscope image of (a) LDPE particles before treatment (magnification ×100); (b) LDPE film before treatment (magnification ×2000); (c) microbial colonization on PE particles by Sphingobacterium moltivorum (magnification ×5000); (d) Holes and penetration in PE sheet after treatment with Delftia tsuruhatensis (magnification ×2000); (e) microbial colonization by Pseudomonas Putida LS46 (magnification ×20,000); and (f) Corrosion of PE sheet after treatment with Sphingobacterium moltivorum (magnification ×2000) (preparation of images by MIM unit at University of Manitoba and Central Laboratory at Ferdowsi University of Mashhad).