UltraLink™ Hydrazide Resin

Catalog number: 53149

Thermo Scientific™  Related applications: Protein Purification & Isolation

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Thermo Scientific UltraLink Hydrazide Resin is used to prepare affinity columns with antibodies or other glycolsylated proteins.

Features of UltraLink Hydrazide Resin:

High-capacity—immobilize 1 to 10 mg of oxidized antibody or other glycoprotein per milliliter of resin
Fast and efficient—immobilize in as few as 30 minutes; achieve at least 90% coupling of most glycoproteins in less than 4 hours (efficiency depends on the amount and type of glycosylation)
Specific immobilization—the hydrazide-activated UltraLink Resin conjugates only to purified glycoproteins whose sugar (e.g., sialic acid) groups have been gently oxidized with periodate
Stable attachment—resonance structure of the hydrazone bonds are sufficiently stable for multiple affinity purifications with one batch of prepared resin; no stabilization step is required
Preserves antibody function—immobilizes IgG via the Fc region, thereby keeping both antigen binding sites available for capturing target

Hydrazide-activated resin is used to prepare affinity columns with polyclonal antibodies, which typically have abundant carbohydrates (glycosylation) on their Fc portions. Any glycosylated proteins (even monoclonal antibodies) that contain periodate-oxidizable carbohydrate groups can be immobilized to make reusable affinity columns. Antibodies immobilized by hydrazide immobilization chemistry have unobstructed antigen-binding sites and optimal purification capability. Prepared columns with stable glycoproteins or antibodies can be regenerated and reused at least five times for affinity-purification without significant loss in binding capacity.

• Purify antigens using covalently coupled antibodies
• Determine binding partners for a glycoprotein of interest
• Perform large-scale affinity purifications

UltraLink Hydrazide Resin is especially useful for glycoproteins, such as polyclonal antibodies, because it can allow molecules to be attached at a domain that will not interfere with active binding sites that are critical for the intended affinity purification. Carbohydrate moieties in glycoproteins contain common sugars with cis-diol groups that are easily oxidized with sodium meta-periodate to yield aldehydes. When incubated with hydrazide resin, these aldehyde groups react with the hydrazide groups on the resin to form stable, covalent bonds. This reaction is enhanced by the Thermo Scientific GlycoLink Coupling Catalyst, increasing coupling efficiency and decreasing incubation times. The entire coupling reaction occurs in 2 to 4 hours in a simple non-amine buffer containing the catalyst. Coupling efficiencies with antibodies and typical glycoproteins are generally greater than 85%, resulting in 1 to 10 mg of immobilized protein per milliliter of Thermo Scientific UltraLink Hydrazide Resin.

More Product Data
Improved immobilization and conjugation of glycoproteins

Related Products
GlycoLink™ Immobilization Kit
GlycoLink™ Micro Immobilization Kit
For Research Use Only. Not for use in diagnostic procedures.


Format: Bottle(s)
Column Type: Affinity, UltraLink™ Resin
Product Size: 10 mL
Immobilized Phase: Hydrazide

Contents & storage

Store at 4°C.


Manuals & protocols

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