Nanoparticles for protein drug delivery

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

Reexamination Certificate

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Details

C514S012200

Reexamination Certificate

active

07871990

ABSTRACT:
The invention discloses the nanoparticles composed of chitosan, poly-glutamic acid, and at least one protein drug or bioactive agent characterized with a positive surface charge and their enhanced permeability for paracellular protein drug and bioactive agent delivery.

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