Assays for detecting the presence and activity of cell-signaling components. The method may include deriving an updated marker and an updated work area, wherein the updated marker reflects the repositioning request, the updated work area is associated with the portion, and the work area reflects the adjustment request. 08 \u03bcm and an average particle diameter in the range of 8 \u03bcm to 30 \u03bcm is provided. The communication state judgment circuit judges whether the received signal is a PWM signal or a serial data signal. The air-flowing direction distributor is provided with four partition boards in the interior, a passage is provided in each partition board, a movable rod is provided in the interior of the air-flowing direction distributor to penetrate through each passage, and the movable rod is provided with sealing blocks. The encoded data corresponding to the device ID can be matched to a particular device to identify a discrete formatted device ID.