Mössbauer study of biofilms formed along a canal of the Gellért Hill, Buda Thermal Karst, Hungary

E. Kuzmann, Z. Homonnay, K. Kovács, P. Bodor, J. Mádl-Szőnyi

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Biofilm samples, formed within 6 weeks, collected from different distances (1, 8, 20, 40, 60, 80, 100, 120 m) from the outflow of thermal water along an artificial canal, Gellért Hill, Buda Thermal Karst, Hungary, were investigated by 57Fe Mössbauer spectroscopy, SEM, XRD and other analytical methods. 78 K Mössbauer spectra of all lyophilized samples showed a doublet, which can be associated with ferrihydrite and/or superparamagnetic goethite produced by the bacteria being present in the thermal water. An abrupt decrease of normalized spectral area was observed with increasing distance of location of samples from the outflow. This indicates the decrease of iron content of samples along the distance from the outflow. 57Fe Mössbauer spectroscopy was able to detect bacterial biofilms formed after 6 weeks.

Original languageEnglish
Article number73
JournalHyperfine Interactions
Issue number1
Publication statusPublished - Nov 1 2017



  • Fe Mössbauer spectroscopy
  • Biofilms collected in a stream canal
  • Buda Thermal Karst
  • Gellért Hill

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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