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  • Title: [Zeta-potential of n-alkane emulsion droplets and its role in substrate transport into yeast cells].
    Author: Komarov EV, Ganin PG.
    Journal: Prikl Biokhim Mikrobiol; 2004; 40(3):323-31. PubMed ID: 15283336.
    Abstract:
    Zeta-potential of n-alkane droplets, formed by fatty acids, were studied in model systems of culture liquid of yeasts (Candida maltosa) capable of utilizing n-alkanes. The value of zeta-potential was found to depend on the droplet size. The negative zeta-potential of submicron droplets was so high that it prevented the droplets from being coagulated with cells possessing a high negative zeta-potential. The dominant role of submicron n-alkane droplets in the kinetics of yeast growth could be accounted for by the existence of a mechanism regulating contact interactions of individual cells with the droplets followed by uptake of the substrate.
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