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. Author manuscript; available in PMC: 2013 Mar 6.
Published in final edited form as: Anal Chem. 2012 Feb 23;84(5):2474–2482. doi: 10.1021/ac203266a

Figure 2.

Figure 2

Figure 2(A) Representative Raman spectra acquired from the drop-coated single protein Hb and HbA1c samples derived from ca. 39 μM and 34 μM solutions, respectively (the spectra are normalized and offset for the sake of clarity).

Figure 2(B): Spectra computed from the difference between: normalized Hb (39 μM) and HbA1c (34 μM) spectra shown in Fig. 2(A) (red); normalized Hb spectra from drop-coated rings derived from 39 μM and 19.5 μM (green); normalized HbA1c spectra from drop-coated rings derived from 34 μM and 17 μM (black).