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. Author manuscript; available in PMC: 2018 Jan 24.
Published in final edited form as: Chem Commun (Camb). 2017 Jan 24;53(8):1370–1373. doi: 10.1039/c6cc08844a

Figure 1.

Figure 1

(A) DTNB test mechanism. (B) UV absorption at 412 nm of DTNB test after 45 min incubation at room temperature or 37 °C of (a) blank (5% DMSO/PBS), (b) 250 μM of 3 only, (c) 2.5 mM of 1 only, (d) 250 μM of 4 only, (e) 250 μM of 3 +2.5 mM of 1, (f) 50 μM of Na2SO3, (g) 50 μM of NaHSO3.