Work

Sorption of Heavy Metals (Pb, Cd, Co, and Zn) by Bacteria of the Genus Bacillus : An Investigation of the Ability and Consequences of Bioaccumulation

Year: 2025

Type: article

Abstract: bacteria, were determined using the method of successive dilutions. The dynamics of changes in the pH of the nutrient medium during bacterial cultivation with metal salts were analyzed. Bacterial growth phases were identified before and after exposure to minimally suppressive concentrations of these heavy metals. Atomic adsorption analysis was used to measure the amount of Zn, Co, Cd, and Pb accumulated by the bacteria from the medium. Both the supernatant and the biomass were analyzed at the onset of the stationary phase of microorganism growth. The effect of these elements on the morphology of bacteria was investigated using atomic force microscopy, and FTIR spectroscopy revealed differences in the shape of metals accumulated by bacteria.

Source: International Journal of Microbiology

Authors: Sergey A. Peshkov, Hike N. Nikiyan, Aleksey N. Sizentsov, Olga K. Davydova

Institution: Orenburg State University

Language: English

Topic: Adsorption and biosorption for pollutant removal

Subfield: Water Science and Technology

Field: Environmental Science

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $1,000

Funder: Ministry of Science and Higher Education of the Russian Federation

Award: G7177056774