Potential pesticide efficiency of new bifunctional surfactants

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

Abstrakty

EN

Two series of new bifunctional surfactants were synthesized for potential use as antioxidants or as pesticides, depending on their concentration. At a low concentration, the surfactants can be incorporated into the membranes with no damage to these membranes, while surfactants antioxidant functional group, localized in its polar part, protrudes outside thus effectively protecting the membranes. If the concentration of the incorporated surfactant is high enough it can destroy membranes acting as a common biocide. The aim of this paper was to determine the concentration level at which surfactants can be possibly used as biocides. The surfactants studied differed in the polar head and/or in the length of their alkyl chain. One of the investigated series consisted of pyrolidinium chlorides (PC), whereas the other series consisted of the respective bromides (PB). PB salts were found to be more destructive to model membranes studied (erythrocytes - RBC and planar lipid membranes - BLM) than PC salts. Also, the results of BLM experiments indicate the existence of a maximum of the interaction between planar lipid membranes and surfactants when they have about twelve carbon atoms in the alkyl chain. It may be possible that interdigitation phenomena are responsible for this effect.

Słowa kluczowe

EN

lipid membrane; erythrocyte; biocide; pesticide; antioxidant; bifunctional surfactant

• Wydawca: -
• Czasopismo: Cellular and Molecular Biology Letters
• Rocznik: 2000
• Tom: 05
• Numer: 3
• Opis fizyczny: p.349-356,fig.

Twórcy

autor

Sarapuk J.

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

autor

Kleszczynska H.

autor

Radecka H.

autor

Oswiecimska M.

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