Zetadex 25 fine desalting resin, in bulk form, for most routine desalting applications (the “default” choice)
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Fine Grade Desalting Resin for Routine Protein and Nucleic Acid Desalting
Zetadex-25 fine desalting resin is a beaded composite size-exclusion gel developed by emp BIOTECH composed partially of cross-linked dextran. It exhibits high selectivity, high resolution and chemical stability.
Zetadex-25 fine can be used for
- routine desalting and buffer exchange
- small to medium volume protein and nucleic acid samples
- gravity flow, or low pressure systems
Molecules purified with Zetadex-25 ffine are separated according to size. Smaller molecules pass significantly slower through the column than larger molecules. Buffer and pH effects on resolution are minimal.
The size exclusion cut-off for Zetadex-25 fine is set at 5 kD for proteins and 10 bp for nucleic acids. Purified biomolecules are not significantly diluted when processed using Zetadex-25 fine.
