Figure 2.
(a) Real-time 1H NMR spectra of the OLA (1.64-1.56 ppm) and LA (1.48-1.44 ppm) methyl protons for micelles monitored over 3 d following addition of the enzyme, (b) percent degradation products vs. degradation time plot from integration of OLA or LA peaks from micelles, SCKs and bulk PLA monitored at 30 min intervals over 48 h of enzyme exposure.