Dextran-Based Gel Filtration Resins for Precise Size Exclusion
Size Exclusion Chromatography with Zetadex: Dry and Pre-Hydrated Formats for Desalting and Buffer Exchange
emp BIOTECH’s Zetadex resins offer high-performance size exclusion chromatography for proteins, nucleic acids, and nanoparticles. Available in both dry and pre-hydrated formats, Zetadex-25 and Zetadex-50 enable rapid desalting, buffer exchange, and removal of small molecular weight contaminants. The ultrapure, cross-linked dextran matrix ensures consistent resolution, minimal nonspecific binding, and robust chemical stability across a wide range of pH and solvent conditions. Choose from multiple bead sizes and hydration states tailored to your purification workflow—gravity flow, centrifugation, or FPLC.
The following formats are available for size exclusion chromatography using Zetadex™ resin:
Dry – For flexible packing and customization in desalting and buffer exchange workflows
Hydrated – For ready-to-use gel filtration in spin columns, gravity flow, and batch applications
Zetadex-50 Agglutination Grade
Speciality Zetadex Gel Resin optimized for blood typing using Gel Card Technology.
Zetadex-25 Coarse
Gel filtration matrix. Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 100 – 300 µm (dry).
Zetadex-50 Fine
Gel filtration matrix. Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 20 – 80 µm (dry).
Zetadex-50 Coarse
Gel filtration matrix . Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 100 – 300 µm (dry).
Zetadex-25 Superfine
Gel filtration matrix . Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 20 – 50 µm (dry).
Zetadex-50 Superfine
Gel filtration matrix. Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 20 – 50 µm (dry).
Zetadex-50 Medium
Gel filtration matrix. Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 50 – 150 µm (dry).
Zetadex-25 Fine
Gel filtration matrix. Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 20 – 80 µm (dry).
Zetadex-25 Medium
Gel filtration matrix . Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 50 – 150 µm (dry).
Zetadex-20 LH
Lipophilic hydrophilic gel filtration matrix for use in polar organic solvents and aqueous solvent mixtures. Dry powder. For process purification of proteins and nucleic acids. Bead diameter: 20 – 80 µm (dry).
Zetadex-50 Fine, Hydrated in PBS / 0.02% NaN3
Pre-hydrated Gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 20 – 80 µm (dry).
Zetadex-50 Superfine, Hydrated in PBS / 0.02% NaN3
Pre-hydrated gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 20 – 50 µm (dry).
Zetadex-25 Medium, Hydrated in PBS / 0.02% NaN3
Pre-hydrated Gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 50 – 150 µm (dry).
Zetadex-50 Medium, Hydrated in PBS / 0.02% NaN3
Pre-hydrated Gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 50 – 150 µm (dry).
Zetadex-50 Medium, Hydrated in Deionized Water / 0.15% ProClin
Pre-hydrated Gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 50 – 150 µm (dry).
Zetadex-25 Fine, Hydrated in PBS / 0.02% NaN3
Pre-hydrated Gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 20 – 80 µm (dry).
Zetadex-25 Medium, Hydrated in Deionized Water / 0.15% ProClin
Pre-hydrated Gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 50 – 150 µm (dry).
Zetadex-50 Superfine, Hydrated in Deionized Water / 0.15% ProClin
Pre-hydrated gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 20 – 50 µm (dry).
Zetadex-25 Fine, Hydrated in Deionized Water / 0.15% ProClin
Pre-hydrated Gel filtration matrix. Ready to use. For process purification of proteins and nucleic acids. Bead diameter: 20 – 80 µm (dry).