发明授权
US09102714B2 Polysialic acid derivatives 有权
聚唾液酸衍生物

Polysialic acid derivatives
摘要:
A polysialic acid compound is reacted with a hetero-bifunctional reagent to introduce a pendant functional group for site-specific conjugation to sulfhydryl groups, for instance side chains of cysteine units in drugs, drug delivery systems, proteins or peptides. The functional group is, for instance, an N-maleimide group.
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