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. Author manuscript; available in PMC: 2012 Aug 18.
Published in final edited form as: Polymer (Guildf). 2011 Aug 18;52(18):3887–3896. doi: 10.1016/j.polymer.2011.07.007

Table 1.

Relative intensity of the chemical shifts in the NMR spectra of SPELGA macromers.

NMR shift
(ppm)
5.85–6.55 5.16 4.77 4.28 3.64 1.56 LA/GL
(NMR)
Mn¯
(NMR)
# of
acrylates/
Macromonomer
(NMR)
Macromonomer
(LA/GL
feed)
PLGA800-L50 --- 1.0 2.42 1.52 6.03 1.82 1.2 1910 ---
PLGAA800-L50 2.93 3.52 9.73 3.51 18.05 8.03 1.2 2260 3.2
PLGAA800-L75 2.96 5.64 5.41 3.41 15.81 12.61 3.4 2600 3.6