Precipitation of calcium carbonate in the presence of rhamnolipids in alginate hydrogels as a model of biomineralization - Publikacja - MOST Wiedzy

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Precipitation of calcium carbonate in the presence of rhamnolipids in alginate hydrogels as a model of biomineralization

Abstrakt

This paper reports the effects of rhamnolipids presence in the alginate hydrogel and CO32- solution, on the precipitation of CaCO3 in the Ca2+ loaded alginate hydrogel. Characteristics of the formed particles are discussed. Model conditions containing alginate hydrogel and rhamnolipids were used in order to mimic the natural environment of biomineralization in biofilms. It has been shown that rhamnolipids affect the characteristics of precipitated calcium carbonate effect of using these biosurfactants depends on their concentration as well as whether they are directly present in the hydrogel matrix or the carbonate solution surrounding the hydrogel. The greatest effect compared to the control samples was found for the rhamnolipids in the form of micelles directly present in the hydrogel with the CaCl2 cross-linked solution at concentration of 0.05 M. These conditions result in the highest increase in vaterite content, specific surface area, and pore volume. The mechanism of CaCO3 precipitation in alginate hydrogel containing rhamnolipids has been proposed.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
COLLOIDS AND SURFACES B-BIOINTERFACES nr 218,
ISSN: 0927-7765
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Czaplicka N., Konopacka-Łyskawa D., Nowotnik A., Mielewczyk-Gryń A., Łapiński M., Bray R.: Precipitation of calcium carbonate in the presence of rhamnolipids in alginate hydrogels as a model of biomineralization// COLLOIDS AND SURFACES B-BIOINTERFACES -Vol. 218, (2022), s.112749-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.colsurfb.2022.112749
Źródła finansowania:
  • Publikacja bezkosztowa
Weryfikacja:
Politechnika Gdańska

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