Additional file 12: of Mechanically tuned 3 dimensional hydrogels support human mammary fibroblast growth and viability WoodsKathryn ThigpenCatlyn WangJennifer ParkHana HielscherAbigail 2017 Material 8, ELISA Day 3 20, 30 and 60 μg, ELISA for TGF-β for HMFs encapsulated in 20, 30 and 60 μg hydrogels. HMFs encapsulation for 3 days prior to collection of supernatant for TGF-β. (XLSX 29 kb)