Fig. 7From: Copper biosorption by Bacillus pumilus OQ931870 and Bacillus subtilis OQ931871 isolated from Wadi Nakheil, Red Sea, EgyptEffect of temperature on Cu 2+ adsorption by Bacillus pumilus (a) and Bacillus subtilis (b). The ANOVA test was carried out by using SPSS 21 comparisons among means (n = 3), different letters show significance among the different treatments at p = 0.05 level based on Duncan's multiple range testBack to article page