Abstract
The study investigates the physicochemical, porous/textural, and adsorptive properties, as well as the biological activity of BEA, RHO, PAU, and FAU(Y) synthetic zeolites. The adsorption capacity of the zeolites for oxytocin, lysozyme, and albumin—markers of low- and medium-molecular-weight pathological proteins—was measured. The concentration-dependent effects of the zeolites on the viability of human endothelial cells (Ea.hy926) were evaluated. At concentrations of 2.5 to 10 mg/mL, the Y zeolite was found to exhibit no pronounced cytotoxicity. In the presence of the BEA, the cell viability decreased to 80% even at 2.5 mg/mL. The RHO and PAU were shown to have the highest cytotoxicity and significantly inhibit the growth of human cells (down to 23–35%). The study demonstrated that only BEA and Y, among the synthetic zeolites tested, have good biomedical potential due to their high adsorption capacity, low hemolytic activity, and low cytotoxicity.
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Notes
The hemolytic activity is the ability to induce hemolysis, i.e. to destroy red blood cells, leading to the release of hemoglobin into the cell environment.
MTT assay is a colorimetric assay for assessing cell metabolic activity.
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This study was carried out within the State Program of ISC RAS (project no. 0081-2022-0001).
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Ul’yanova, N.Y., Brazovskaya, E.Y., Golubeva, O.Y. et al. Adsorption Capacity and Biological Activity of Synthetic Zeolites. Pet. Chem. 63, 790–797 (2023). https://doi.org/10.1134/S096554412305002X
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DOI: https://doi.org/10.1134/S096554412305002X