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Figure 5 | Plant Methods

Figure 5

From: A selective pretreatment method for determination of endogenous active brassinosteroids in plant tissues: double layered solid phase extraction combined with boronate affinity polymer monolith microextraction

Figure 5

Optimization of desorption conditions. (A) Effect of H2O2 proportion in desorption solution on the BR desorption efficiencies. (B) Effect of acetonitrile proportion in desorption solution on the BR desorption efficiencies. (C) Effect of desorption volume on the BR desorption efficiencies. (D) Effect of desorption flow rate on the BR desorption efficiencies. The sampling solution was spiked with five BRs standard solution (4 ng for each BR).

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