Fig. 2From: Direct and highly productive conversion of cyanobacteria Arthrospira platensis to ethanol with CaCl2 additionEffects of metal salts on polysaccharides on the cell surface of A. platensis. a Control (no addition of metal salts); b 10 mM CaCl2; c 100 mM CaCl2; d 10 mM MgCl2; e 100 mM MgCl2; f 10 mM NaCl; g 100 mM NaClBack to article page