Table 1.

Shrinkage of microneedle dimensions upon pyrolysis

Sample Name	OD SMN	OD CMN	LD ratio	ID SMN	ID CMN	LD ratio	SW thickness	CW thickness	LD ratio
A	100	59.77	0.4	40	14.84	0.62	30	22.46	0.25
B	100	58.98	0.41	50	25.44	0.49	25	16.77	0.32
C	100	56.64	0.43	60	25.78	0.57	20	15.43	0.22
D	100	53.91	0.46	70	34.8	0.5	15	9.55	0.36
E	100	52.17	0.47	80	38.28	0.5	10	6.94	0.306
F	100	53	0.47	90	38.67	0.57	5	4.66	0.06

OD outer diameter, LD lateral decrease, ID inner diameter, SW SMN wall, CW CMN wall