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. Author manuscript; available in PMC: 2012 Nov 2.
Published in final edited form as: Int J Pharm. 2011 Apr 27;423(1):84–92. doi: 10.1016/j.ijpharm.2011.04.035

Table 1.

Molecular weights of PMLABe, PEG42-b-PMLABe and Biot-PEG62-b-PMLABe measured by SEC (THF, polystyrene standards, 1 mL/min) and determined by 1H NMR.

Polymer M̄w (Da)
measured by SEC
Ip (SEC) MNMR (Da) of
PMLABe block
PMLABe 14,000 1.33
PEG42-b-PMLABe 9550 1.30 14,000
Biot-PEG62-b-PMLABe 8230 1.20 15,500