LI-COR offers Click Chemistry reagents for copper-catalyzed and copper-free methods. One group of products within this portfolio includes IRDye® infrared dyes labeled with DBCO groups, which can be used for copper-free methods.
The dibenzocyclooctyne group (DBCO) allows copper-free click chemistry to be done with live cells, whole organisms, and non-living samples. DBCO groups will preferentially and spontaneously label molecules containing azide groups (—N3). Within physiological temperature and pH ranges, the DBCO group does not react with amines or hydroxyls, which are naturally present in many biomolecules. Reaction of the DBCO group with the azide group is significantly faster than with the sulfhydryl group (—SH, thiol).
Click chemistry reagents with DBCO groups are available in 0.5 mg and 5 mg sizes for 3 dyes: IRDye 800CW, IRDye 680RD, and IRDye 650. IRDye 800CW DBCO also comes in a 50-mg pack size.
Watch this 18-minute webinar to learn more about Click Chemistry applications and the LI-COR Click Chemistry reagents.
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