Figure 1.
Chemical structure of the pro-gelator (Fmoc-FFE-ss-EE) and the resulting gelator (Fmoc-FFE-s) and an optical image of a gel formed by treating a DMEM solution containing 0.3 wt% of the pro-gelator with 4 equiv. of GSH.
Figure 2.
A representative rheological measurement with the mode of dynamic sweep at the frequency of 1 rad/s and the strain of 1% for a PBS solution containing 0.3 wt% of the pro-gelator and 4 equiv. of GSH (A) and rheological measurements with the mode of dynamic frequency sweep at the strain of 1% for gels from PBS solutions containing different concentrations of the pro-gelator (B) (filled symbols: G′ and open symbols: G″, diamonds: 0.3 wt%, triangles: 0.2 wt%, and squares: 0.1 wt%).
Figure 3.
A cryo-transmission electron microscopy (cryo-TEM) image of the gel from a PBS solution containing 0.3 wt% of the pro-gelator with 4 equiv. of GSH.
Figure 4.
Emission spectra of PBS solution of the pro-gelator and the gel (excitation wavelength = 265 nm).
Figure 5.
Cell proliferation rate of 3T3 cells in gels at different concentrations determined by the CCK-8 assay.
Figure 6.
Optical images of cells at day 5 in gels at A) 0.3 wt%, B) 0.2 wt%, and C) 0.1 wt% (scale bars represent 10 µm).