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  • Phosphate starvation as an antimicrobial strategy: the controllable toxicity of lanthanum oxide nanoparticles.

Phosphate starvation as an antimicrobial strategy: the controllable toxicity of lanthanum oxide nanoparticles.

Chemical communications (Cambridge, England) (2012-03-14)
Lukas C Gerber, Nadine Moser, Norman A Luechinger, Wendelin J Stark, Robert N Grass
ABSTRACT

Lanthanum oxide nanoparticles were utilized to scavenge phosphate from microbial growth media for the use of targeted nutrient starvation as an antimicrobial strategy. Only in phosphate poor environments a toxic effect was observed. The effect was shown on Escherichia coli, Staphylococcus carnosus, Penicillium roqueforti, and Chlorella vulgaris.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Lanthanum(III) oxide, 99.999% trace metals basis
Supelco
Lanthanum(III) oxide, suitable for AAS, ≥99.9%
Sigma-Aldrich
Lanthanum(III) oxide, 99.99% trace metals basis
Sigma-Aldrich
Lanthanum(III) oxide, nanopowder, <100 nm particle size (TEM), 99% trace metals basis
Sigma-Aldrich
Lanthanum(III) oxide, ≥99.9%