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. Author manuscript; available in PMC: 2009 Sep 15.
Published in final edited form as: Biosens Bioelectron. 2008 Apr 8;24(1):99–103. doi: 10.1016/j.bios.2008.03.030

Figure 2. A typical measurement cycle and signal curve.

Figure 2

(A) The chip was placed in the measurement setup and signal was recorded to establish a base signal level. (B) Phosphate buffer solution (PBS, pH 7.2) was applied to measure the “water level” of the sensor. (C) PBS was removed and the chip was left in dry condition. (D) The MACS particles were added to the chip. (Interim between D and E) The chip was rinsed with DI water and dried. (E) The chip was left in dry condition to measure the final signal level.