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- Wang, Shujiang, et al.
(author)
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Saline catalyse oxime reaction at physiological pH : overcoming a major limitation of bioorthogonal reaction
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Journal article (peer-reviewed)abstract
- We have discovered a simple and versatile reaction condition for oxime mediated bioconjugation reaction that could be adapted for both aldehyde and keto substrates. We found that saline accelerated the oxime kinetics in a concentration dependent manner under physiological conditions. The reaction mechanism is validated by computational studies, and the versatility of the reaction is demonstrated by cell-surface labeling experiments. Saline offers an efficient and non-toxic catalytic option for performing the bioorthogonal-coupling reaction of biomolecules at the physiological pH. This saline mediated bioconjugation reaction represents the most bio-friendly, mild and versatile approach for conjugating sensitive biomolecules and does not require any extensive purification step.
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