Table I.

Summary of core interactive constants in the auto-feedback MCN

	Rate Constant		Dose-Response Control Functions
	Elimination [1/hour]	Release [concentration/hour]	ED50, or ID50 [concentration]	Slope [dimension- less]	Delay [min]
Glucagon	kGL = 22 h−1	rGL = 42,570pg/mL/h rGL,basal = 2,128pg/mL/h	tGL = 85pg/mL	nGL = 5	DGL = 7.2min
BG			tBG = 50mg/dL tBG,2 = 400mg/dL	nBG = 5 nBG,2 = 3
Insulin	kINS = 14h−1	rINS = 80,000 rINS,basal = 270	tINS = 20
Pulse	periodic function: a square wave of height = 10 over a period of 36 sec recurring every 6 minutes