Science Robotics

Supplementary Materials

Supplementary Material for:

Bioinspired living structural color hydrogels

Fanfan Fu, Luoran Shang, Zhuoyue Chen, Yunru Yu, Yuanjin Zhao*

*Corresponding author. Email: yjzhao{at}seu.edu.cn

Published 28 March 2018, Sci. Robot. 3, eaar8580 (2018)
DOI: 10.1126/scirobotics.aar8580

This PDF file includes:

  • Fig. S1. The fabrication of the inverse opal–structured hydrogel films.
  • Fig. S2. SEM images of the surfaces of the biohybrid structural color hydrogel films with cardiomyocyte covering.
  • Fig. S3. Results of the cardiomyocyte 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assays.
  • Fig. S4. The typical stress-strain (stress-stretch ratio) curves of the GelMA inverse opal structural color hydrogel.
  • Fig. S5. The schematic diagram of two different approaches for regulating the structural colors of the inverse opal hydrogel films.
  • Fig. S6. The relationships of the reflectance wavelength and the stretched intensity of the GelMA inverse opal structural color hydrogel films during the stretch.
  • Fig. S7. Optical images and reflection spectra of the five different kinds of the microgroove-patterned inverse opal–structured hydrogel films.
  • Fig. S8. SEM images of the microgroove-patterned inverse opal–structured hydrogel films.
  • Fig. S9. The 3D reconstruction CLSM images of the anisotropic laminar cardiomyocyte tissues.
  • Fig. S10. Shift of the reflection spectra of the structural colors films.
  • Legends for movies S1 to S4

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.avi format). Optical images of a free-standing biohybrid structural color hydrogel (first half) and dynamic reflection spectra of the biohybrid structural color hydrogel fixed by mask mold (second half).
  • Movie S2 (.avi format). Optical images of a microgroove-patterned biohybrid structural color hydrogel.
  • Movie S3 (.avi format). Optical images of a robotic butterfly morphology structural color hydrogel flying in medium.
  • Movie S4 (.avi format). The bending process of a structural color heart-on-a-chip under normal medium (first half) and under isoproterenol stimulation (second half).

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