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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Anal Chem. 2010 Aug 1;82(15):6704–6711. doi: 10.1021/ac101461x

Figure 3. Fluorescein waveforms.

Figure 3

From left to right, the input frequencies and amplitudes of sine waves were: (i) 0.009 Hz, from 40 μM to 10 μM, (ii) 0.018 Hz, from 10 μM to 40 μM, (iii) 0.030 Hz, from 40 μM to 10 μM, (iv) 0.045 Hz, from 10 μM to 40 μM, (v) 0.090 Hz, from 40 μM to 10 μM, and (vi) 0.060 Hz, from 10 μM to 40 μM. The amplitudes were compared to the intensities of an online dilution of fluorescein from 10 – 90 μM which are shown as the horizontal dashed lines.