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Table 4 Comparison of EPD and NTA method

From: Evaluation of nanoparticle tracking analysis for total virus particle determination

   EPD   NTA  
Fraction Volume (ml) PFU/ml PFU total PFU rec.(%) VP/ml VP total VP rec. (%)
Load 36 1,00E+08 3,60E+09   1,03E+10 3,71E+11  
Flow through 1 10,0 6,31E+02 6,31E+03 0,0 1,12E+08 1,12E+09 0,3
Flow through 2 26,0 1,00E+03 2,60E+04 0,0 1,59E+08 4,13E+09 1,1
Wash 23,0 NA    3,03E+08 6,97E+09 2
Elution 1 1,2 2,00E+09 2,40E+09 66,7 1,79E+11 2,14E+11 57,8
Elution 2 3,0 6,31E+06 1,89E+07 0,5 1,14E+09 3,41E+09 1
SUM     67,2    62,0
  1. Analysis of adenovirus purification on CIM QA monolithic column by NTA and EPD assay.