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. 2017 Sep 15;2(9):5813–5823. doi: 10.1021/acsomega.7b01158

Table 3. Calculated Trehalose Concentrations and Percent Recoveries from Trehalose Samples Prepared in E. coli DH5α Cell Lysates or 1:1 E. coli DH5α Cell Lysates/Acetonitrile for All Three Assays.

assay expected [trehalose] calculated [trehalose]a percent recovery
enzymatic trehalose assay 30 μM 29 ± 2 μM 97
80 μM 79 ± 4 μM 99
250 μM 240 ± 20 μM 96
800 μM 792 ± 5 μM 99
HPLC-RID 5 mM 4.77 ± 0.05 mM 95
40 mM 38.5 ± 0.4 mM 96
80 mM 84.4 ± 0.7 mM 106
LC–MS/MS 5 μM 5.0 ± 0.2 μM 100
30 μM 28.3 ± 0.8 μM 94
80 μM 74 ± 2 μM 93
a

n = 3–5.