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Table 4 Total charge of amperometric peaks in 800 kHz, 0.5 W/cm2 ultrasound-treated cells with and without EGTA (n = 6, mean ± STD)

From: Calcium-dependent ultrasound stimulation of secretory events from pancreatic beta cells

    Total charge (pAs)
Frequency (kHz) Intensity (W/cm2) EGTA? 1 min (5 s) 2 min (10 s) 3 min (15 s)
800 0.5 NO 4250 ± 911 8212 ± 2255 10,294 ± 2711
800 0.5 YES 1508 ± 611 3162 ± 1666 4246 ± 1976