4 styrenesulfonic acid sodium salt hydrate

All reagents were purchased from Sigma-Aldrich (Munich, Germany), including 4-styrenesulfonic acid sodium salt hydrate (NaSS) (cat. no. 434574), unless otherwise indicated. The anti-TGF-β (V) antibody was obtained from Invitrogen (ThermoFisher Scientific, Karlsruhe, Germany), and the anti-FGF-2 (C-18) antibody was obtained from Santa Cruz Biotechnology (Heidelberg, Germany). The biotinylated secondary antibodies and the ABC reagent were obtained from Vector Laboratories (Alexis Deutschland GmbH, Grünberg, Germany). The AAVanced Concentration Reagent was purchased at System Bioscience (Heidelberg, Germany). The TGF-β Quantikine Enzyme-Linked Immunosorbent Assay (ELISA; DB100B) and the FGF-2 Quantikine ELISA (DFB50) were obtained from R&D Systems (Mannheim, Germany). The Cell Proliferation Reagent WST-1 was obtained from Roche Applied Science (Mannheim, Germany).

Methyl methacrylate (MMA), butyl acrylate (BA), 4-styrenesulfonic acid sodium salt hydrate (NaSS), ammonium persulfate (APS), and TPM were purchased from Sigma-Aldrich (St. Louis, MO, USA). TFOA was purchased from Tokyo Chemical Industry Co., (Tokyo, Japan). Cellulose fiber (CF, FIF 400 grade) was purchased from Nycon Materials Co., Ltd. (Asan, Korea). All chemicals were used as received without further purification. Deionized (DI) water was used in all experiments.