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Tritosomes cleavage of 2nd-generation HPMA copolymer-EPI conjugates. HPLC analysis of 2P-DTPA-EPI(Tyr) (A) and 2P-Tyr-EPI(DTPA) (B) following incubation with Tritosomes for 45 h. MALDI-TOF-MS analysis of cleaved products from 2P-Tyr-EPI(DTPA) (C).
