Skip to main content
. 2020 Sep 10;12(9):582. doi: 10.3390/toxins12090582

Figure 3.

Figure 3

(A). UV–Vis spectrum of polymer PDAPEG or PDAPEG-COOH when co-incubating with 10 mM TCEP. The appeared peak at 375 nm indicates the existence of pyridinethiol in polymer; (B). 1H-NMR of polymer PDAPEG-COOH, PDAPEG-NH2, and PDAPEG in CDCl3.