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. Author manuscript; available in PMC: 2015 Mar 31.
Published in final edited form as: Sens Actuators B Chem. 2014 Mar 31;193:552–562. doi: 10.1016/j.snb.2013.11.088

Figure 3.

Figure 3

Comparison of antioxidant activity (GAE, or mM gallic acid with equivalent electron donating capacity to 1 mM sample) assigned by titanyl oxalate sensors to demonstrate variability in electron donating capacity of each polyphenol.