Beads

Leading Manufacturer, Supplier & Retailer of Nickel Beads and DVS-Activated Beads.

Nickel Beads

Recombinant proteins tagged with 6-10 poly Histidines can be purified in one step by ion metal affinity chromatography (IMAC). Several metal ions exhibiting affinity to poly-Histidines are commonly used, Nickel and Cobalt being the most popular. Tagging the proteins may be done at the N-ter or the C-ter by cloning a gene in dedicated expression vectors encoding to the poly Histidines stretch, enabling the purification of the recombinant protein resulted.

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DVS-Activated Beads

Divinyl Sulfone (DVS) Activated Beads are rigid Sepharose beads loaded with high density of reactive groups. The matrix is suitable for binding amino, or hydroxyl groups, Present on biomolecules such as proteins and carbohydrates. The DVS activated beads are stable for extended period of time when stored refrigerated and light-protected. Coupling reactions to biomolecules may be done between pH values of 8-10 pH.

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