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. 2016 Feb 2;9(3):305–315. doi: 10.1111/1751-7915.12347

Figure 4.

Figure 4

A. Water contact angle of PET film before (left) and after (right) bovine serum albumin (BSA) post‐immobilization. XPS spectra of the film B. before and C. after BSA post‐immobilization.

D. Water contact angle of PET film coated with 2,7‐DHN with a precursor, 2‐dimethylaminoethanethiol for co‐immobilization and further silicification. Left to right: before silicification; after silicification. Si peaks revealed by XPS analysis E. before silicification or F. after silicification.

G. Photograph of electroless silver metallization of 2,7‐DHN‐coated PET film. Top to down: Before and after metallization. Silver (Ag 3d) XPS peaks of PET film H. before and I. after the metallization.