Effects of the surface physico-chemical properties and the surface textures on the initial colonization and the attached growth in algal biofilm

Table 2 Tukey’s honestly significant difference (HSD) test of cell attachment as a function of the materials and their surface textures under rocking conditions

Ranking	Material	Surface texture (mesh opening, mm)	Attachment (g m⁻²)^a	Groups^b
1	Nylon	0.50	91.16 ± 10.13	A
2	Polypropylene	1.25	88.25 ± 18.37	A
3	Polyester	0.50	82.59 ± 26.38	AB
4	Polypropylene	0.50	82.34 ± 9.93	AB
5	Polypropylene	0.05	79.24 ± 0.97	AB
6	Polyester	0.05	67.37 ± 16.70	ABC
7	Nylon	0.05	50.28 ± 12.29	BCD
8	Aluminum	0.50	41.13 ± 11.45	CDE
9	Stainless steel	0.50	36.39 ± 9.49	CDEF
10	Polyester	2.50	34.64 ± 11.06	DCEFG
11	Polyester	1.25	33.96 ± 10.67	DEFG
12	Nylon	2.50	33.66 ± 16.45	DEFG
13	Stainless steel	1.25	33.20 ± 2.12	DEFG
14	High-density polyethylene	2.50	25.39 ± 7.12	DEFG
15	Aluminum	1.25	24.73 ± 14.03	DEFG
16	Nylon	1.25	22.43 ± 9.04	DEFG
17	Polypropylene	2.50	21.82 ± 3.98	DEFG
18	High-density polyethylene	0.50	21.24 ± 8.63	DEFG
19	Stainless steel	2.50	15.91 ± 10.45	EFG
20	Aluminum	2.50	15.54 ± 6.19	EFG
21	Aluminum	0.05	14.64 ± 1.91	EFG
22	Polypropylene	6.40	14.23 ± 4.75	EFG
23	Polyester	Smooth	13.19 ± 14.04	EFG
24	High-density polyethylene	6.40	12.77 ± 1.94	EFG
25	Stainless steel	0.05	12.72 ± 4.36	EFG
26	Aluminum	6.40	9.41 ± 2.10	EFG
27	Stainless steel	6.40	6.46 ± 3.67	FG
28	High-density polyethylene	Smooth	6.19 ± 5.19	FG
29	Aluminum	Smooth	4.07 ± 5.10	FG
30	Stainless steel	Smooth	3.27 ± 1.89	G
31	Polypropylene	Smooth	2.40 ± 0.83	G
32	Nylon	Smooth	1.84 ± 1.15	G

^aData are mean ± SDs of three replicates
^bAttachment with at least one common letter are not significantly (p > 0.05) different

ISSN: 2731-3654