ArticleInternational journal of molecular sciences2021
Thermally-Induced Shape-Memory Behavior of Degradable Gelatin-Based Networks.
Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 19 citations in OpenAlex.
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- Fully Reshapeable and Recyclable Protein Hydrogels.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- 3D-Printed Multi-Stimulus-Responsive Hydrogels: Fabrication and Characterization.Micromachines · 2025Article
- Narrative Review and Guide: State of the Art and Emerging Opportunities of Bioprinting in Tissue Regeneration and Medical Instrumentation.Bioengineering (Basel, Switzerland) · 2025Review
- Three-Dimensional Printed Multiresponsive Structures of Smart Hydrogel.3D printing and additive manufacturing · 2024Article
- Photoswitchable architecture transformation of a DNA-hybrid assembly at the microscopic and macroscopic scale.Chemical science · 2022Article
- Engineering shape memory and morphing protein hydrogels based on protein unfolding and folding.Nature communications · 2022Article
- Bioprinting for bone tissue engineering.Frontiers in bioengineering and biotechnology · 2022Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Shape-memory hydrogels (SMH) are multifunctional, actively-moving polymers of interest in biomedicine. In loosely crosslinked polymer networks, gelatin chains may form triple helices, which can act as temporary net points in SMH, depending on the presence of salts. Here, we show programming and initiation of the shape-memory effect of such networks based on a thermomechanical process compatible with the physiological environment. The SMH were synthesized by reaction of glycidylmethacrylated gelatin with oligo(ethylene glycol) (OEG) α,ω-dithiols of varying crosslinker length and amount. Triple helicalization of gelatin chains is shown directly by wide-angle X-ray scattering and indirectly via the mechanical behavior at different temperatures. The ability to form triple helices increased with the molar mass of the crosslinker. Hydrogels had storage moduli of 0.27-23 kPa and Young's moduli of 215-360 kPa at 4 °C. The hydrogels were hydrolytically degradable, with full degradation to water-soluble products within one week at 37 °C and pH = 7.4. A thermally-induced shape-memory effect is demonstrated in bending as well as in compression tests, in which shape recovery with excellent shape-recovery rates R
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.