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. Author manuscript; available in PMC: 2012 May 30.
Published in final edited form as: J Control Release. 2011 Jan 15;152(1):37–48. doi: 10.1016/j.jconrel.2011.01.009

Scheme 1.

Scheme 1

Preparation of PtBA macro-CTA, chain extension with styrene, and removal of the tert-butyl protecting groups to produce PAAm-b-PSn polymers of various chain lengths.