Average frequency changes 30 min after injection of 250 μL PAO1 over bare and MEG-OH coated crystals at various flow rates, and the percent reduction in frequency change caused by the MEG-OH coating

Flow rate (μL/min)Bare crystal ΔFrequency (kHz)MEG-OH crystal ΔFrequency (kHz)Reduction in change (%)
503.25 ± 1.080.22 ± 0.6393%
756.89 ± 5.000.75 ± 0.7089%
1002.72 ± 1.830.40 ± 0.3485%
1501.56 ± 1.470.18 ± 0.2889%
2001.50 ± 1.550.05 ± 0.0597%