Table 1.

The cell number, average number of neurites and the average neurite length per cell on the three PLLA substrates (n = 3)

Properties	Materials	12 h	24 h	36 h
Cell number	PLLA film	483	846	1133
	PLLA AF	498	852	1116
	PLLA RF	507	827	1087
Average number of neurites	PLLA film	3.89 ± 1.84	3.17 ± 1.37	4.17 ± 1.80
	PLLA AF	2.12 ± 1.19	2.17 ± 0.97	2.58 ± 1.26
	PLLA RF	5.19 ± 2.26	4.74 ± 2.27	4.52 ± 2.00
Average length of neurites (µm)	PLLA film	5.67 ± 0.46	7.94 ± 0.72	9.78 ± 0.76
	PLLA AF	20.46 ± 0.68	23.37 ± 0.64	26.89 ± 0.52
	PLLA RF	14.75 ± 0.98	16.78 ± 0.47	19.15 ± 0.26