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. 2014 Sep 15;86(19):9504–9511. doi: 10.1021/ac502767y

Figure 4.

Figure 4

Polymer structures were extracted from the mass spectra shown in Figure 3 via the GlyQ-IQ software, and a plot of degree of polymerization vs relative intensity (normalized to the most abundant peak) is shown for ESI 300 °C (a), ESI 150 °C (b), and the SPIN interface (c).