Table 1 Mass transfer constants for urea and middle molecular or surrogates in commercial membranes and NC-ILM.

From: High flux novel polymeric membrane for renal applications

Dialysis unit

Urea Ko (m/s)

Middle molecule or surrogate Ko (m/s)

Optiflux F160NR (Fresenius)

1.30 × 10–5

1.03 × 10–6 (lysozyme)

8.10 × 10–72-microglobulin)

Revaclear (Baxter)

1.39 × 10–5

2.64 × 10–62-microglobulin)

Silicon Nanopore

2.50 × 10–6

4.50 × 10–72-microglobulin)

NC-ILM

4.99 × 10–4

7.24 × 10–4 (lysozyme)

  1. Optiflux urea and lysozyme: https://fmcna.com/content/dam/fmcna/live/products/disposables/dialyzers/additional-resources/Optiflux%20High%20Flux%20Specifications%20Sheet.pdf.
  2. Revaclear urea: https://www.baxter.com/sites/g/files/ebysai746/files/2018-04/Revaclear_Spec_Sheet_FINAL.pdf.
  3. Optiflux and Revaclear β2-microglobulin: Misra and Moore, Hemodialysis International, 22:S15–S23 (2018).
  4. Silicon nanopore: Kim et al., PLOS One, 11:7 (2016).