The new head group contains an aldehyde and a keto group in immediate proximity.
From the sciencedaily.com
There's no easy way to unlock the amino chemical group from the aldehyde chemical group.
From the sciencedaily.com
They essentially contain an aldehyde or ketone group in their structure.
From the en.wikipedia.org
In these closed-chain forms, the aldehyde or ketone group remains non-free, so many of the reactions typical of these groups cannot occur.
From the en.wikipedia.org
These are generated by bond formation between one of the hydroxyl groups of the sugar chain with the carbon of the aldehyde or keto group to form a hemiacetal bond.
From the en.wikipedia.org
Bertozzi's group proved they could precisely tag the Fc fragment of the IgG molecule so that it would selectively bind with chemicals engineered to react with the aldehyde.