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. Author manuscript; available in PMC: 2018 Aug 30.
Published in final edited form as: Int J Pharm. 2017 Jun 17;529(1-2):32–43. doi: 10.1016/j.ijpharm.2017.06.042

Table 6.

Effect of PEGylated to unPEGylated phospholipid ratio and PEG molecular weight on physical stability of placebo PEG-NLC post autoclave sterilization.

% of PEG-lipid DSPE-PEG-1K/2K/5K lipid (mg) DSPE lipid (mg) Oleic acid (mg) GMS (mg) Result
PEG(1K)-CIP-NLCs
15 22.5 127.5 300 150 Cracked
30 45 105 300 150 Cracked
40 60 90 300 150 Cracked
PEG(2K)-CIP-NLCs
0 (Control) (0) 150 300 150 Cracked
10 15 135 300 150 Cracked
15 22.5 127.5 300 150 Cracked
25 37.5 112.5 300 150 Cracked
30 45 105 300 150 Droplets
35 52.5 97.5 300 150 Droplets
40 60 90 300 150 No change
PEG(5K)-CIP-NLCs
15 22.5 127.5 300 150 Cracked
30 45 105 300 150 No change