Evidencing nickel biosorption capacity of cyanobacteria Chroococcidiopsis sp.: potential metallo-protective agents

IF 4.3 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

BMC Chemistry Pub Date : 2025-03-05 DOI:10.1186/s13065-025-01393-6

Hadjira Hamai-Amara, Imen Saadaoui, Maroua Cherif, Dana A. Da’ana, Lama Soubra, Mohammad A. Al-Ghouti

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Abstract

The increasing prevalence of toxic elements such as nickel (Ni) in the environment poses a significant threat to human health due to its carcinogenic effect. The study investigates the Ni biosorption potential of three cyanobacteria strains: Euhalothece sp., Halospira sp., and Chroococcidiopsis sp. Hence, the physicochemical properties of biomass and extract were assessed through transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), and Brunauer-Emmet-Teller (BET). Batch experiments for Ni²⁺ biosorption were conducted and residual nickel (Ni²⁺) levels were quantitatively assessed using Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES). The results evidence interesting Ni²⁺ removal efficiency of Chroococcidiopsis sp. biomass reaching a biosorption capacity of 18.19 mg g⁻¹ under pH 6, and 37 °C. Several functional groups including amide, carbonyl, phosphate, and carboxyl groups were revealed as key players in this process via FTIR. Finally, such findings highlight the significant potential of cyanobacterial biomass and by-products to reduce nickel bioavailability to prevent Ni-induced carcinogenesis.

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来源期刊

BMC Chemistry Chemistry-General Chemistry

CiteScore

5.30

自引率

2.20%

发文量

审稿时长

27 weeks

期刊介绍： BMC Chemistry, formerly known as Chemistry Central Journal, is now part of the BMC series journals family. Chemistry Central Journal has served the chemistry community as a trusted open access resource for more than 10 years – and we are delighted to announce the next step on its journey. In January 2019 the journal has been renamed BMC Chemistry and now strengthens the BMC series footprint in the physical sciences by publishing quality articles and by pushing the boundaries of open chemistry.