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Choosing the right PEG functional group for bioconjugation starts with understanding the reactive groups on the molecule you want to modify. NHS ester PEG is commonly used to react with primary amines, maleimide PEG is widely used for thiol …

Monodisperse PEG and polydisperse PEG are both important materials in pharmaceutical research, but they serve different development needs. The main difference is molecular weight distribution: monodisperse PEG consists of molecules with a …