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. 2023 Jun 9;27(7):1384–1389. doi: 10.1021/acs.oprd.3c00135

Table 1. Influence of H2O2 Feeding Rate and Enzyme Concentration on a 100 mL Scalea.

experiment [AaeUPO] [μM] [cyclohexane] [mM] H2O2-feeding rate [mM h–1] time [h] total product concentration [mM] productivity [g L–1 h–1] turnover number (TN = molProduct × molrAaeUPO–1)
1 10 500 50 24 70.7 0.3 7000
2 20 500 50 24 390 1.6 19,500
3 20 500 200 4 373 9.3 18,650
4 20 3 × 500 (0, 6, 28 h) 20 24 269 1.1 13,450
a

Reaction conditions: [substrate] = 500 mM, [KPi, pH 6] = 100 mM, [ACN] = 50 vol %, [AaeUPO] = 10–20 μM, [H2O2-feeding rate] = 20–200 mM h–1 (4–17.6 M aqueous stock solution) starting volume 100 mL, 25 °C, 300 rpm, duplicate measurements. The detailed time courses are listed in the Supporting Information (Figures S1–S4).