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. Author manuscript; available in PMC: 2009 Dec 8.
Published in final edited form as: Macromol Rapid Commun. 2009 Jun 22;30(16):1382–1386. doi: 10.1002/marc.200900199

Figure 2.

Figure 2

(a) Microwave-induced heating profiles of a glass slide (circle), a silicon wafer (triangle), and a glass slide on a silicon wafer (rectangular), respectively. (b) FTIR spectra before and after crosslinking: (i) Uncrosslinked PEG4DA monomer before microwave-induced heating; (ii) Crosslinked PEG4DA polymer after microwave-induced heating with 1% AIBN for 9 s; (iii) Crosslinked PEG4DA under microwave-induced heating without 1% AIBN for 9 s; (iv) Crosslinked PEG4DA under UV irradiation (20 mW · cm−2) with 1% DPA for 60 s in the presence of nitrogen; (v) Uncrosslinked PEG4DA under UV irradiation with 1% DPA for 600 s in the presence of ambient oxygen.