Thermo-optically responsive hybrid hydrogel

4D-HTOR Hydrogel

Light-actuated scaffolds for dynamic mechanical stimulation and lung-model research.

Detailed specifications
CompositionN-vinyl caprolactam (VCL), polyethylene glycol diacrylate (PEGDA) and functionalized gold nanorods (AuNRs)
FabricationHigh-resolution vat polymerization; LCD-printable resin
Actuation800 nm near-infrared irradiation produces AuNR-mediated photothermal stimulation
ResponseReversible VCL swelling–shrinkage
Reported deformationApproximately 6% cyclic contraction–expansion
Representative geometry400 μm honeycomb cavities reproducing aspects of alveolar architecture
Surface functionalizationPolyarginine-functionalized AuNRs to enhance lung epithelial attachment
Biological responseSupports epithelial monolayers and mechanotransduction under dynamic stimulation
Ready-to-use formatSterile 3 and 5 mL cartridges; compatibility with the selected bioprinter to be confirmed
Other formatsPowder for custom formulations; custom formats on request
Catalogue evidence

Reported properties & results

  • Catalogue describes honeycomb scaffolds with gradually decreasing pore sizes
  • Reported thermoresponsive materials with tunable mechanical properties
  • PEG-AuNR and PA/PEG-AuNR functionalization used to study genetic responses to mechanical and thermal stimuli

Results summarize the catalogue’s tested formulations and conditions. Confirm the protocol and formulation relevant to your experiment with MAKBY.

Technical catalogue

Source: October 2026 tissue engineering catalogue, printed page 18. Exact formulation, light dose or exposure time where applicable, storage duration and application-specific handling are available on enquiry.