Figure 4From: A new approach for cytokinin isolation from Arabidopsis tissues using miniaturized purification: pipette tip solid-phase extractionSeparation of cytokinin standards by UHPLC-ESI(+)-MS/MS method using an Acquity UPLC® BEH C18 2.1 × 150 mm column. Multi-MRM chromatograms of 25 isoprenoid cytokinins (a) and 17 aromatic cytokinins (b) including bases, ribosides, N-/O- glucosides and nucleotides containing 1 pmol of each derivative per injection.Back to article page