Figures & data
Figure 1 Circular dichroism spectra of the chiral peptides.
Abbreviation: deg, degree.
![Figure 1 Circular dichroism spectra of the chiral peptides.](/cms/asset/03240724-2557-465c-8256-30b0ee9f51e2/dddt_a_12166264_f0001_b.jpg)
Figure 2 TEM images of microstructure of (A) L-RADA16, (B) D-RADA16, and (C) L-RADA16-RGD (200 nm).
Abbreviation: TEM, transmission electron microscopy.
![Figure 2 TEM images of microstructure of (A) L-RADA16, (B) D-RADA16, and (C) L-RADA16-RGD (200 nm).](/cms/asset/4c0eba2e-bf22-4f95-85b9-2a55ad12340b/dddt_a_12166264_f0002_b.jpg)
Figure 3 Rheological assays: 2.5, 5.0 mg/mL peptide hydrogels in PBS (pH 7.4), 25°C.
Abbreviation: PBS, phosphate-buffered saline.
![Figure 3 Rheological assays: 2.5, 5.0 mg/mL peptide hydrogels in PBS (pH 7.4), 25°C.](/cms/asset/f6d0956a-f713-468e-8475-9f31aa8f8b08/dddt_a_12166264_f0003_c.jpg)
Figure 4 Release profiles for TGF-beta 1 through three types of self-assembling peptide hydrogels (data points represent the average of three samples).
![Figure 4 Release profiles for TGF-beta 1 through three types of self-assembling peptide hydrogels (data points represent the average of three samples).](/cms/asset/4756461e-2f57-4719-bf2d-fbb3160087fc/dddt_a_12166264_f0004_b.jpg)
Figure 5 Release profiles for TGF-beta 1 through three types of self-assembling peptide hydrogels 3D cells coculture (data points represent the average of three samples).
![Figure 5 Release profiles for TGF-beta 1 through three types of self-assembling peptide hydrogels 3D cells coculture (data points represent the average of three samples).](/cms/asset/7a266b06-7f29-4966-809b-f4944eb7407c/dddt_a_12166264_f0005_b.jpg)
Figure 6 Proliferation effect of released TGF-beta 1 over bone mesenchymal stem cells.
Abbreviations: TGF, transforming growth factor; OD, optical density.
![Figure 6 Proliferation effect of released TGF-beta 1 over bone mesenchymal stem cells.](/cms/asset/fec51b48-a839-4657-bd36-0e1e4fb859b8/dddt_a_12166264_f0006_b.jpg)
Figure 7 The morphological results of BMSC in each group under a light microscope (×100).
Abbreviations: BMSC, bone mesenchymal stem cells; TGF, transforming growth factor.
![Figure 7 The morphological results of BMSC in each group under a light microscope (×100).](/cms/asset/475961fd-7a63-4f7d-a048-0a707d25e8d8/dddt_a_12166264_f0007_c.jpg)