HIS-Select products from Sigma Life Science have the ability to purify histidine-tagged proteins quickly and with high selectivity. This is due to HIS-Select′s patented, non-charged, hydrophilic nickel chelate linkage. This non-charged linkage greatly diminishes non-specific binding.

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H8162 HIS-Select® Cobalt Affinity Gel
H0537 HIS-Select® HF Nickel Affinity Gel
P6611 HIS-Select® Nickel Affinity Gel
H9914 HIS-Select® Nickel Magnetic Agarose Beads