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    The effects of two different fe forms (Fe +2and Fe +3) and artificial ligand EDTA on the growth of spirulina platensis (cyanophyta)
    (2011) Sayin, Selin; Doganay, Sugle
    This study aims to investigate the effects of two different Fe forms (Fe +2 and Fe +3) and different amounts of EDTA on the growth parameters of Spirulina platensis. During the experimental period (15 day), optical density, pH, dry weight (g L -1), chlorophyll a (?g mL -1) and phycocyanin concentration (?g mL -1) were measured on daily basis. The chlorophyll a amount of 18.30 ?g mL -1 was determined for the group containing 0.3mM Fe +3 with EDTA and 17.17 ?g mL -1 chlorophyll a content was obtained from the group containing 0.3mM Fe +2 with EDTA. Phycocyanin content was found 73.42 ?g mL -1 for the group containing 0.3mM Fe +2 with EDTA, 62.13 ?g mL -1 for control group, and 56.75 ?g mL -1 was found for the group containing 0.3mM Fe +3 with EDTA. According to these results, Fe +3 and Fe +2 forms were found to be more effective in presence of EDTA on the growth of S.platensis. © by PSP.
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    THE EFFECTS OF TWO DIFFERENT Fe FORMS (Fe+2 AND Fe+3) AND ARTIFICIAL LIGAND EDTA ON THE GROWTH OF SPIRULINA PLATENSIS (CYANOPHYTA)
    (Parlar Scientific Publications (P S P), 2011) Sayin, Selin; Doganay, Sugle
    This study aims to investigate the effects of two different Fe forms (Fe+2 and Fe+3) and different amounts of EDTA on the growth parameters of Spirulina platensis. During the experimental period (15 day), optical density, pH, dry weight (g L-1), chlorophyll a (mu g mL(-1)) and phycocyanin concentration (mu g mL(-1)) were measured on daily basis. The chlorophyll a amount of 18.30 mu g mL(-1) was determined for the group containing 0.3mM Fe+3 with EDTA and 17.17 mu g mL(-1) chlorophyll a content was obtained from the group containing 0.3mM Fe+2 with EDTA. Phycocyanin content was found 73.42 mu g mL(-1) for the group containing 0.3mM Fe+2 with EDTA, 62.13 mu g mL(-1) for control group, and 56.75 mu g mL(-1) was found for the group containing 0.3mM Fe+3 with EDTA. According to these results, Fe+3 and Fe+2 forms were found to be more effective in presence of EDTA on the growth of S. platensis.