Table 1. Compositions of gelatin solutions used for NFES patterning.

Notation	Gelatin, wt%	Water, wt%	Acetic acid, wt%	Ethyl acetate, wt%	A.A.∶E.A.	Morphology
G8-A72(1.5)	8	20	43.2	28.8	1.5	none
G10-A70(1.5)	10	20	42	28	1.5	beaded
G10-A70(1)	10	20	35	35	1	none
G10-A70(4)	10	20	56	14	4	beaded
G11-A69(1.5)	11	20	41.4	27.6	1.5	beaded
G11-A64(1.5)	11	25	38.4	25.6	1.5	beaded
G11-A59(1.5)	11	30	35.4	23.6	1.5	straight
G11-A54(1.5)	11	35	32.4	21.6	1.5	straight
G11-A49(1.5)	11	40	29.4	19.6	1.5	curly
G11-A69(2)	11	40	46	23	2	beaded
G12-A68(1.5)	12	20	40.8	27.2	1.5	beaded&straight
G15-A60(1.5)	15	25	36	24	1.5	straight

The compositions of the gelatin solutions are detailed, with the global morphology of the pattern resulted for each composition also indicated.