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Table 2 Contact angles of for biomass, control adsorbents and polymeric beads

From: Surface energetics to assess influence of biomass-type and biomass–adsorbent interactions in expanded beds

  Contact angle (θ)
Material H2O FMD ABN
Biomass
 E. coli1 26.8 ± 0.8 31.0 ± 1.4 44.3 ± 1.0
 B. subtilis2 33.0 ± 2.0 45.0 ± 2.0G 66.0 ± 2.0D
 S. cerevisiae3 15.0 ± 2.0 14.0 ± 1.0 54.0 ± 1.0
 CHO1 26.1 ± 0.7 30.2 ± 0.2 42.3 ± 0.5
Control
 Sepharose Q 0 36.4 ± 0.3 65.3 ± 3.3
 Sepharose DEAE 0 29.2 ± 0.6 55.9 ± 0.1
 Sepharose SP 0 32.5 ± 0.4 56.4 ± 1.3
 Sepharose phenyl 0 33.4 ± 0.5 56.6 ± 2.4
Polymeric material
 Alginate 0 43.3 ± 0.3 63.3 ± 0.4
 Agar 0 42.2 ± 0.5 65.6 ± 2.6
 Cellulose 0 41.2 ± 0.3 64.1 ± 1.8
 Sepharose 4B 0 24.8 ± 1.1 54.2 ± 0.5
 Fastline agarose 0 38.0 ± 0.1 60.5 ± 1.0
 Sephacryl S 400 0 39.9 ± 0.4 65.8 ± 1.8
 Carrageenan 15.3 ± 1 25.1 ± 1.5 60.7 ± 0.8
 Dextran (PD 10) 0 41.6 ± 0.5 51.4 ± 0.2
 Polyacrylamide 0 44.7 ± 0.7 55.1 ± 0.1
 Polyvinylpyrrolidone 0 42.2 ± 0.1 44.6 ± 0.2
 Phenolic beads 0 38.7 ± 0.5 41.4 ± 0.2
 Supelite™ DAX-8 0 34.3 ± 0.7 37.3 ± 0.1
 Poly(styrene-co-divinylbenzene) 0 35.3 ± 0.5 37.2 ± 0.6
 Poly(ethyl methacrylate) 0 47.1 ± 0.3 53.7 ± 0.4
 Chitosan 0 35.8 ± 0.5 37.7 ± 0.6
 Glass4 35.0 ± 6.0 36.0 ± 5.0 52.0 ± 1.0D
 Stainless steel5 81.2 ± 0.9 60.0 ± 1.1 23.4 ± 0.5
 Polystyrene6 85.4 ± 0.7 65.3 ± 1.6 41.4 ± 1.5D
 Toyopearl HW-65 0 22.48 ± 1.9 65.8 ± 1.4
 Hexamethyldisilazane (HMDS)7 90.8 ± 1.5 72.9 ± 2.0 55.3 ± 0.8
 Polydimethylsiloxane (PDMS) 4 107.0 ± 5.0 97.0 ± 2.0 67.0 ± 2.0D
 Silica7 4.7 ± 1.5 9.5 ± 2.0 17.4 ± 2.4
 Ceramic hydroxyapatite type 1 0 51.22 ± 0.3 53.2 ± 0.8
 Ceramic hydroxyapatite type 2 0 43.7 ± 1.6 56.6 ± 0.2
 Ceramic fluoroapatite type 1 0 44.8 ± 0.5 57.9 ± 1.9
 Ceramic fluoroapatite type 2 0 40.9 ± 0.6 61.7 ± 0.6
  1. Superscripted numbers on the colloids refers to the source of the data, 1 is from (Kakarla 2015); 2 is from (Li and Logan 2004); 3 is from (Vennapusa 2008b); 4 is from (Comelles, et al. 2010); 5 is from (Hedberg 2013); 6 is from (Carré 2007); 7 is from (Helms 2012). G and D on contact angles refers to angles of diagnostic liquids glycerol and diiodomethane, respectively