Biodegradable Polymers Induce CD54 on THP-1 Cells in Skin Sensitization Test

Table 2

Effects of EC 200 on biodegradable polymers.

Sample	Low FRI	Low conc.	High RFI	High conc.	EC (mg/mL)
	a	b	c	d
P1	174.00	1.00	265.00	2.00	1.29
P3	178.00	0.62	250.00	1.25	0.81
P5	104.00	0.50	212.00	1.00	0.94
P6	108.00	0.13	236.00	0.25	0.21

Formula: EC200 = (d−b)/(c−a)×(200−a)+b.