Table 4. Comparative characteristics of the results of the extraction of viscumin from blood serum samples prepared by precipitation and purification on Proteo Miner columns and precipitation in 1% TCA/IPA(p < 0.05, n=6)

Initial sample volume, ml

Recovery rate of viscumin, %

ProteoMiner spin columns

Precipitation with 1 % TCA/IPA

10 μg/ml

5 μg/ml

1 μg/ml

0.5 μg/ml

10 μg/ml

5 μg/ml

1 μg/ml

0.5 μg/ml

0.2

6.9±1.3

7.0±0.5

7.2±0.4

6.8±1.7

7.5±1.9

6.9±1.6

-

-

0.5

5.1±0.6

5.4±0.8

5.0±0.7

4.8±1.2

3.9±0.9

2.5±0.7

1.8±0.4

-

1

4.1±0.9

4.7±1.1

3.8±0.8

2.7±0.6

2.5±0.6

2.2±0.5

1.5±0.4

-