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. 2014 Jan 23;9(1):e86606. doi: 10.1371/journal.pone.0086606

Figure 3. The absorbance values at 406 nm and 430 nm increased in a time-dependent manner.

Figure 3

Absorbance increase at 406(♦) and 430 nm (•) of 0.04% HGA solution in the presence of 1 M NaOH. Results are the mean ± S.E. of three experiments.