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. 2023 Oct 9;30:30–37. doi: 10.1016/j.jmsacl.2023.10.001

Fig. 2.

Fig. 2

Comparison of chromatograms from measurements of 24,25 dihydroxyvitamin D2 (transition 586.35->298.2) and D3 (transition 574.35->298.2) performed with and without the use of SelexION DMS. For retention time reference, the internal standard signal is inset. A) D2 in patient sample with SelexION, B) D2 in patient sample without SelexION, C) D2 extracted blank with SelexION D) D2 Extracted blank without SelexION E) D3 in patient sample with SelexION, F) D3 in patient sample without SelexION.