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. Author manuscript; available in PMC: 2017 Feb 16.
Published in final edited form as: Anal Chem. 2016 Jan 26;88(4):2015–2020. doi: 10.1021/acs.analchem.5b04271

Table 1.

Calculated Fit Parameters for Harmonic Ratios.

Q b (μm−1) λpred (μm) R2
f0/f2 0.439±0.005 0.0033±0.001 1,920 0.995
f0/f3 0.428±0.009 0.0070±0.001 1,800 0.997
f0/f4 0.689±0.020 0.0106±0.001 1,770 0.998