Science Advances

Supplementary Materials

This PDF file includes:

  • Detailed Materials and Methods
  • Biocompatible studies with PI nanoparticles and 3D printed hydrogels.
  • Determination of 3D printed hydrogel water content.
  • Determination of 3D printed hydrogel mechanical strength.
  • Fig. S1. Effect of storage temperature and duration on size of TPO nanoparticles.
  • Fig. S2. Cryo-TEM image of an aqueous dispersion 0.1%(w/w) of powder containing 25%(w/w) TPO.
  • Fig. S3. Stability of TPO in an aqueous dispersion 1.6% (w/w) of spray-dried powder at different time intervals after filtration through 0.22-μm PVDF filters.
  • Fig. S4. X-ray diffraction patterns for spray-dried powders containing TPO nanoparticles after 85 days of storage at 25°C.
  • Fig. S5. Polymerization kinetics.
  • Fig. S6. Effects of TPO nanoparticle concentration on cell viability.
  • Fig. S7. Relative cell viability of Huh7 liver cells cultured on different substrates.
  • Fig. S8. Mechanical characterization of polyacrylamide hydrogel fabricated with TPO nanoparticles.
  • Table S1. Composition % (w/w) of the microemulsions before spray drying.
  • Table S2. Theoretical composition in % (w/w) of the spray-dried powders.
  • Table S3. Molar extinction coefficients of TPO nanoparticles and I2959 at standard center wavelengths of light sources used for DLP-based 3D printers.
  • Table S4. Summary of different light sources used for hydrogel formation.
  • Table S5. Summary of photopolymerization results using different water-soluble PIs with aqueous acrylamide solutions in air at 25°C.
  • References (42–64)

Download PDF

Files in this Data Supplement: