Adhesion evaluation of the rhodococcus opacus strain on an apatite surface

José Jonathan Vallejos Morán, Carlos Alberto Castañeda Olivera, Lorgio Valdiviezo Gonzalez, Antonio G. Merma, Maurício Leonardo Torem

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)


Adsorption of microorganisms and/or their different components onto a mineral surface would modify the surface characteristics of the mineral. Thus, this investigation evaluated the adsorption capacity of the Rhodococcus opacus strain onto an apatite surface. Zeta potential and contact angle measurements of the mineral showed dislocations of the values after interaction with the microorganism. The maximum adsorption density reached was 24.10 mg of bacterial cells per gram of mineral using a biomass concentration of 400 mg/L. The experimental data were linearly fitted by the Freundlich model and the adsorption density as a function of time was linearly fitted by the pseudo-second order kinetic equation. The results showed that the bacterial strain has affinity for the apatite surface and ability to make it hydrophobic.

Idioma originalInglés
Páginas (desde-hasta)369-377
Número de páginas9
PublicaciónREM - International Engineering Journal.
EstadoPublicada - 1 jul. 2021


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