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Phosphopeptide enrichment with inorganic nanofibers prepared by forcespinning technology
J. Krenkova, J. Moravkova, J. Buk, F. Foret,
Language English Country Netherlands
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Phosphopeptides isolation & purification MeSH
- Nanofibers * MeSH
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization methods MeSH
- Titanium chemistry MeSH
- Zirconium chemistry MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Efficient selective sample enrichment is often a key procedure in protocols for analyses of complex samples. This applies not only to trace sample components but also to species with weak detection response. For example enrichment of phosphopeptides using selective affinity techniques prior to mass spectrometry analysis is necessary to increase detection sensitivity of phosphopeptides from highly complex peptide mixtures. In this work we have developed inorganic nanofibrous materials based on titanium or zirconium dioxides for selective and efficient enrichment of phosphopeptides for MALDI/MS detection. In comparison to the common bead based materials the presented nanofibrous materials exhibit much higher permeability allowing their use not only for batch mode or packed in the column operation, but also in the pipette tip format without the need for high pressure. Both the methods of preparation and characterization of the resulting materials are presented.
Institute of Analytical Chemistry of the CAS v v i Veveri 97 602 00 Brno Czech Republic
Pardam Zizkova 2494 413 01 Roudnice nad Labem Czech Republic
References provided by Crossref.org
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