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Figure 1 | Cancer Cell International

Figure 1

From: Pegylated derivatives of recombinant human arginase (rhArg1) for sustained in vivo activity in cancer therapy: preparation, characterization and analysis of their pharmacodynamics in vivo and in vitro and action upon hepatocellular carcinoma cell (HCC)

Figure 1

Chemical structures (molecular formula) of the 5 PEG derivatives used. (A) mPEG-ALD (methoxypolyethylene glycol-propionaldehyde); (B) mPEG-MAL (methoxypoly-ethylene glycol-maleimide); (C) mPEG-NHS (methoxypolyethylene glycol-N-hydroxy-succinimide); (D) mPEG-SPA (methoxypolyethylene glycol-succinimidyl propionate). (E) mPEG-CN (methoxypolyethylene glycol-cyanuric chloride). MW = 5,000 in all cases.

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