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Figure 4 | Plant Methods

Figure 4

From: Improved methodology for assaying brassinosteroids in plant tissues using magnetic hydrophilic material for both extraction and derivatization

Figure 4

Effect of the sorbent amount on the extraction and derivatization efficiencies (n = 3) (A), effects of extraction time (n = 3) (B), derivatization time (n = 3) (C) and desorption time (n = 3) (D) on the extraction and derivatization efficiencies. BRs were spiked in the sampling solution at 1 ng/mL each, and DMAPBA (500 μg/mL) was added for derivatization.

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