Fig. 6From: Metal removal capability of two cyanobacterial species in autotrophic and mixotrophic mode of nutritionFourier transforms infrared (FTIR) spectra of EPSs from Nostoc sp. N27P72 v.s control or exposure to a solution containing 400Â ml of cell suspensions in 1000Â ml Erlenmeyer flasks of Cu (II), Cr (III), and Ni (II)Back to article page