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. 2023 Sep 22;415(26):6573–6582. doi: 10.1007/s00216-023-04937-8

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© The Author(s) 2023, corrected publication 2023

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Fig. 5 — Recovery experiments from artificially spiked human plasma (right side) and serum (left side) samples performed using a, b PD-B, c, d PD–C, and e, f PD-E materials. Standard employed were S1P, FP, and F. FT + W: flow through + washing steps; E: elution steps. Data reported are the mean average of three replicas, and the error bars represents the standard deviation