Hemolysis and antioxidative protection of erythrocytes by functionalized quaternary ammonium salts

• Autorzy: Kleszczynska H , Bonarska D. , Oswiecimska M. , Sarapuk J.
• Języki publikacji: EN

Abstrakty

EN

The results of studies on hemolytic and antioxidative activities of quaternary ammonium bromides and chlorides differing in alkyl chain length and with functionalized antioxidative group are presented. Pig erythrocytes (RBC) and their ghosts were used in experiments. The hemolytic studies permitted to determine the safe concentrations at which the compounds studied did not damage RBC membranes. RBC were then UV-irradiated and the antioxidative efficiency of the quats determined. It was found that hemolytic activities increased with lipophilicity of a compound and each bromide salt was more hemolytic than chloride ones. The antioxidant activity of the quats followed the same rule. The results obtained indicate that observed effects are the consequence of the incorporation of particular compounds to different depths into the lipid phase of the RBC membrane. The incorporation depended on lipophilicity of quats and the kind of counterions. Studies on fluidity changes induced by quats in ghost membranes confirmed the above conclusion.

Słowa kluczowe

EN

hemolytic activity; bifunctional quaternary salt; erythrocyte membrane; ammonium salt; living organism; erythrocyte; antioxidative protection; lipid oxidation; hemolysis; lipid peroxidation

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2003
• Tom: 12
• Numer: 1
• Opis fizyczny: p.63-66,fig.

Twórcy

autor

Kleszczynska H

• Agricultural University, Norwida 25, 50-375 Wroclaw, Poland

autor

Bonarska D.

autor

Oswiecimska M.

autor

Sarapuk J.

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