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. 2016 Mar 22;6(3):53. doi: 10.3390/nano6030053

Figure 9.

Figure 9

ATR-FTIR spectra of RIS and RIF films casted from 200 µL solutions (0.002 M) of the pure drug in the initial dry state and the dry state after 5 min rinsing in 2-(4-(2-Hydroxyethyl)-1-piperazinyl)-ethane sulfonic acid (HEPES) solution.