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. Author manuscript; available in PMC: 2009 May 5.
Published in final edited form as: J Control Release. 2007 Oct 24;125(2):155–163. doi: 10.1016/j.jconrel.2007.10.014

Table 1.

Summary of reaction efficiency for minicircle DNA production. The amount of each plasmid population can be quantified from gel electrophoresis analysis (Quanti-One, Bio-Rad, Hercules, CA). The reaction efficiency was calculated using the equations in the Materials and Methods.

Batch number Precursor plasmid (%) Backbone plasmid (%) Minicircle DNA (%) PhiC31-mediated recombination efficiency (%) SceI-mediated digestion efficiency (%) Overall efficiency (%)
Protocol I LB 1:1 0116 39.9 7.6 52.5 89.9 97.1 87.3
0503 36.9 8.0 55.1 91.5 97.1 88.8

Protocol II LB 1:4 0503 29.9 7.8 62.3 94.3 97.5 92.0

Protocol III TB 1:1 0116 21.1 8.4 70.5 97.3 97.6 95.0
0503 17.4 8.8 73.7 98.4 97.6 96.1

Protocol IV TB 1:4 0503 13.2 2.6 84.1 98.0 99.4 97.4

Protocol V TB 1:8 0116 9.5 1.7 89.0 98.5 99.7 98.2
0503 11.5 4.3 84.2 98.7 99.0 97.7