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. Author manuscript; available in PMC: 2021 Jan 15.
Published in final edited form as: Eur J Pharm Sci. 2019 Oct 25;142:105106. doi: 10.1016/j.ejps.2019.105106

Table 2.

In vitro retrodialysis (RD) results comparing plastic and glass collection vials using 0.5% BSA in the perfusate.

Plastic Glass
Probe E Probe F Probe G Probe H
In vitro RD- 1h (ng/ml) 83.75 81.04 51.15 79.20
In vitro RD- 2h (ng/ml) 81.36 73.87 74.48 82.82
In vitro RD- 3h (ng/ml) 78.34 71.51 105.77 83.74
Stock average (ng/ml)† 102.98 101.55 102.95 102.51
In vitro RD recovery rate (%) 21.20 25.68 25.08 20.09
†

Expected concentration of 100 ng/ml