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. 2021 Mar 18;25:e00213. doi: 10.1016/j.plabm.2021.e00213

Fig. 1.

Fig. 1

Quantification of circulating citrate using a 1D 1H NMR spectrum of serum/plasma. (A) Expansion of spectrum region showing the citrate peaks (1, 2 and 4) used by the deconvolution software. (B) For each peak, the experimental spectrum (black) is resolved into its peak components (blue) and baseline (yellow). The deconvolution coefficients for the calculated spectrum (red) is then converted to concentration unit using a standard curve (C). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)