Maswati Baharuddin, Husnul Khatimah, Ummi Zahrah, Siti Fauziah, Sitti Chadijah, Fitria Azis
Biosorption is a sustainable and cost-effective approach for removing heavy metals from aquatic environments. This study aimed to screen, identify, and evaluate the adsorption performance of endophytic fungi isolated from Eichhornia crassipes for Pb(II) and Cd(II) removal. Experiments were conducted using a single-metal system with synthetic solutions at initial concentrations of 10, 20, and 30 mg/L. Biosorption assays were performed under controlled conditions (pH 7; 25–27 ℃) using fungal biomass as the biosorbent. Biosorption performance was analyzed using atomic absorption spectrophotometry (AAS) and expressed as residual metal concentrations (mg/L). Aspergillus sp. showed the highest performance for Pb(II), reducing the concentration from 20 mg/L to 0.10 mg/L, followed by Penicillium sp. (0.25 mg/L) and Rhizopus sp. (1.60 mg/L). For Cd(II), Aspergillus sp. reduced the concentration from 30 mg/L to 0.37 mg/L, while Penicillium sp. and Rhizopus sp. reached 0.65 mg/L and 0.67 mg/L, respectively. These preliminary results suggest the potential of endophytic fungi as promising eco-friendly biosorbents; however, further validation through replicated experiments and statistical analysis is required. ©2026 The authors.
Department of Chemistry, Faculty of Science and Technology, Alauddin State Islamic University, Makassar, 92118, Indonesia; Department of Renewable Energy Engineering Technology, Vocational Program, Gorontalo State University, Gorontalo, 96128, Indonesia
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