Ferrofluid effect on Pseudomonas pyoverdine

The magnetic fluid effect on some pigmented pathogen germs has been investigated. The fluorescence of the pyoverdine pigment obtained from Pseudomonas aeruginosa strain, cultivated in the presence of different magnetic fluid concentrations, was enhanced by magnetic fluid concentrations of 0.0015–1 m...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2005-03, Vol.289, p.455-458
Main Authors: Poiata, Antoniea, Vlahovici, Al, Creanga, Dorina-Emilia
Format: Article
Language:English
Subjects:
Bacteria
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Fluorescence
Growth inhibition
Magnetic fluid
Magnetic liquids
Magnetic properties and materials
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Physics
Studies of specific magnetic materials
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Summary:The magnetic fluid effect on some pigmented pathogen germs has been investigated. The fluorescence of the pyoverdine pigment obtained from Pseudomonas aeruginosa strain, cultivated in the presence of different magnetic fluid concentrations, was enhanced by magnetic fluid concentrations of 0.0015–1 ml/l. The antimicrobial activity of pyoverdine, when tested by means of agar diffusimetric method against Sarcina lutea, was found increased for relatively high concentrations of magnetic fluid; in the case of Staphylococcus aureus the pyoverdine antimicrobial activity was not dependent on the magnetic fluid concentration.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2004.11.128