4-Arm-PEG-FA (MW 3400)
4-Arm-PEG-FA (MW 3400) (4-Arm-PEG-folate (MW 3400)) is a PEG derivative with one Folic acid (HY-16637) molecule attached to each end of the PEG chain. Folic acid has a high affinity for folate receptors and can be used for targeted dr_ug delivery to cell membrane receptors.
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