Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Milanowski, M; Pomastowski, P; Railean-Plugaru, V; Rafińska, K; Ligor, T; Buszewski, B.
Biosorption of silver cations onto Lactococcus lactis and Lactobacillus casei isolated from dairy products.
PLoS One. 2017; 12(3): e0174521
Doi: 10.1371/journal.pone.0174521
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- Führende Autor*innen der Med Uni Graz
- Monedeiro-Milanowski Maciej
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- Abstract:
- The current work deals with the phenomenon of silver cations uptake by two kinds of bacteria isolated from dairy products. The mechanism of sorption of silver cations by Lactococcus lactis and Lactobacillus casei bacteria was investigated. Inductively coupled plasma-mass spectrometry (ICP-MS) was used for determination of silver concentration sorbed by bacteria. Analysis of charge distribution was conducted by diffraction light scattering method. Changes in the ultrastructure of Lactococcus lactis and Lactobacillus casei cells after treatment with silver cations were investigated using transmission electron microscopy observation. Molecular spectroscopy methods, namely Fourier transform-infrared spectroscopy (FT-IR) and matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) were employed for description of the sorption mechanism. Moreover, an analysis of volatile organic compounds (VOCs) extracted from bacterial cells was performed.
- Find related publications in this database (using NLM MeSH Indexing)
- Cations - metabolism
- Dairy Products - microbiology
- Lacticaseibacillus casei - metabolism
- Lactococcus lactis - metabolism
- Silver - metabolism
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - administration & dosage
- Spectroscopy, Fourier Transform Infrared - administration & dosage