Characterization and chromium biosorption potential of extruded polymeric substances from Synechococcus mundulus induced by acute dose of gamma irradiation.

摘要: This study characterized the extruded polymeric substances (EPS) secreted from Synechococcus mundulus cultures under effect of 2-KGy gamma irradiation dose. The EPS demonstrated seven monosaccharides, two uronic acids and several chemical functional groups: O–H, N–H, =C–H, C=C, C=O, COO–, O–SO3, C–O–C a newly formed peak at 1593 cm−1 (secondary imide). roughness was 96.71 nm only 28.4% total loss in weight observed 800 °C with high degree crystallinity quantified as CIDSC (0.722) CIXRD (0.718). Preliminary comparative analyses exhibited protein content radiologically modified (R-EPS) than control (C-EPS). Modified were biosorption efficiency, which could be attributed to its acids, sulphates well various saccharide monomers. Data revealed that 0.0213 mg L−1 h−1 is maximum rate (SBRmax) Cr(VI) for R-EPS, whereas 0.0204 SBRmax C-EPS respectively.