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Advances in Applied Ceramics
Structural, Functional and Bioceramics
Volume 111, 2012 - Issue 3
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Original Article

Impact of Al2O3 nanopowders characterised by various physicochemical properties on growth of green alga Scenedesmus quadricauda

E Karwowska Faculty of Environmental EngineeringWarsaw University of Technology, Nowowiejska20, 00-653Warsaw, PolandCorrespondence[email protected]
,
M Mrozowicz Faculty of ChemistryWarsaw University of Technology, Noakowskiego 3, 00-664Warsaw, Poland
,
A Zawada Faculty of Materials Science and EngineeringWarsaw University of Technology, Wołoska141, 02-507Warsaw, Poland
,
T Za˛bkowski Urology Clinic of the Military Medical InstituteSzaserów128, 00-909Warsaw, Poland
,
W Ziemkowska Faculty of ChemistryWarsaw University of Technology, Noakowskiego 3, 00-664Warsaw, Poland
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A R Kunicki Faculty of ChemistryWarsaw University of Technology, Noakowskiego 3, 00-664Warsaw, Poland
&
A Olszyna Faculty of Materials Science and EngineeringWarsaw University of Technology, Wołoska141, 02-507Warsaw, Poland
 show all
Pages 142-148 | Received 15 Sep 2011, Accepted 24 Oct 2011, Published online: 22 Nov 2013
 
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Abstract

This study estimates the influence of five Al2O3 nanopowders on the growth of Scenedesmus quadricauda depending on the physical and chemical properties of the alumina nanoparticles and on the concentration of the nanopowder. The agglomeration and crystallisation levels of the alumina nanopowders as well as the zeta potential, the conductivity and the pH of nanopowders-containing growth media are considered. The strongest algal growth inhibiting effect was accompanied by the highest degree of agglomeration and the highest crystallisation level as well as the smallest specific surface area.

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