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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

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

Ranking Material Surface texture (mesh opening, mm) Attachment (g m−2)a Groupsb
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
  1. aData are mean ± SDs of three replicates
  2. bAttachment with at least one common letter are not significantly (p > 0.05) different