Abstract
The existence of metallic elements in the aquatic environment is recognized to cause acute destruction to aqueous life. This study depicts the prospective application of cyanobacterial strains of Microcystis aeruginosa as a sorption material of toxic elements, aluminium (Al), and cadmium (Cd) from aqueous solutions. Algal samples were revealed to the metal solution, a noticeable modification change in cell wall structure surface occurred. The Fourier-transform infrared (FTIR) analysis illustrated the reality of carboxyl, carbonyl, and hydroxyl moieties, which are liable for the uptake of essential and nonessential elements aluminium and cadmium, respectively. The results showed the ability of Microcystis aeruginosa to uptake Al and Cd at the optimal temperature, light, and pH by living and non-living cells in the concentration of 20 ppm and stimulated antioxidant resistance against oxidative stress. This finding divulged that Microcystis could be utilized as an efficient bio-sorbent for the elimination of these ions, especially Cd from freshwater.
Highlights
The algal cell has the aptitude to bioaccumulation supreme essential and nonessential metallic elements even though the range of bio-accumulation contrasts reckoning on the bio-availability of the metallic elements, the algal cell into deliberation, concentrations to that they're visible (Francis et al, 1985; Roane et al, 2015; Narendrula-Kotha et al, 2019)
The Fourier-transform infrared (FTIR) analysis illustrated the reality of carboxyl, carbonyl, and hydroxyl moieties, which are liable for the uptake of essential and nonessential elements aluminium and cadmium, respectively
Functional groups in cyanobacteria (Microcystis aeruginosa) FTIR analysis was validated as an efficient method for the identification of both essential and nonessential metals bio-sorption on cyanobacteria (Microcystis aeruginosa)
Summary
The algal cell has the aptitude to bioaccumulation supreme essential and nonessential metallic elements even though the range of bio-accumulation contrasts reckoning on the bio-availability of the metallic elements, the algal cell into deliberation, concentrations to that they're visible (Francis et al, 1985; Roane et al, 2015; Narendrula-Kotha et al, 2019). The activity of humans has significantly affected the dissemination of metallic elements in the natural involving air, water, and sediment. Several heavy elements are vital for life, like copper (Cu), zinc (Zn), aluminium (Al), and nickel (Ni) since they are important catalysts for enzyme metabolism (Han et al, 2020). Some elements are nonessential elements for life but are have lethal effects as cadmium (Cd), and lead (Pb). Nonessential, and poisonous heavy elements are not cracked by aquatic microorganisms (Han et al, 2020). To abolition of metal ions from an aqueous solution, copious techniques
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