ArticlePolymers2021
Effect of Photoinitiator on Precursory Stability and Curing Depth of Thiol-Ene Clickable Gelatin.
Article in Polymers, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Redox Polymers in Electrochemical Biosensing: Molecular Design, Electron Transfer, and Hybrid Nanocomposites.Biosensors · 2026Review
- Spatial Patterning of Modular Gelatin-Peroxide Microspheres in Melt-Electrowritten Scaffolds Provides Controlled Oxygen Generation and Mitigates Hypoxia and Cytotoxicity.Advanced healthcare materials · 2026Article
- Standalone methacrylated extracellular matrix for digital light processing bioprinting: a practical workflow.Frontiers in bioengineering and biotechnology · 2026Article
- Effect of Photoinitiation Process on Photo-Crosslinking of Gelatin Methacryloyl Hydrogel Networks.Macromolecular rapid communications · 2025Article
- Viscoelasticity Can Be Tuned Through Covalent Incorporation of Chondroitin Sulphate in Allylated Gelatin Hydrogels.Macromolecular bioscience · 2025Article
- Cell Membrane- and Extracellular Vesicle-Coated Chitosan Methacrylate-Tripolyphosphate Nanoparticles for RNA Delivery.International journal of molecular sciences · 2024Article
- Recent research of peptide-based hydrogel in nervous regeneration.Bioactive materials · 2024Review
- Optical Fiber-Assisted Printing: A Platform Technology for Straightforward Photopolymer Resins Patterning and Freeform 3D Printing.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Research progress of photo-crosslink hydrogels in ophthalmology: A comprehensive review focus on the applications.Materials today. Bio · 2024Review
- Investigation of Physicochemical Properties and Surface Morphology of Hydrogel Materials Incorporating Rosehip Extract.Materials (Basel, Switzerland) · 2023Article
- Stereolithography apparatus and digital light processing-based 3D bioprinting for tissue fabrication.iScience · 2023Review
- Tuning of Mechanical Properties in Photopolymerizable Gelatin-Based Hydrogels forACS applied polymer materials · 2023Article
- White-light crosslinkable milk protein bioadhesive with ultrafast gelation for first-aid wound treatment.Biomaterials research · 2023Article
- Studies on the Impact of the Photoinitiator Amount Used during the PVP-Based Hydrogels' Synthesis on Their Physicochemical Properties.Materials (Basel, Switzerland) · 2022Article
- The Impact of theMaterials (Basel, Switzerland) · 2022Article
- 3D bioprinting and photocrosslinking: emerging strategies & future perspectives.Biomaterials advances · 2022Review
- Photocrosslinked gelatin hydrogel improves wound healing and skin flap survival by the sustained release of basic fibroblast growth factor.Scientific reports · 2021Article
- Methotrexate-Loaded Gelatin and Polyvinyl Alcohol (Gel/PVA) Hydrogel as a pH-Sensitive Matrix.Polymers · 2021Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Recent advances highlight the potential of photopolymerizable allylated gelatin (GelAGE) as a versatile hydrogel with highly tailorable properties. It is, however, unknown how different photoinitiating system affects the stability, gelation kinetics and curing depth of GelAGE. In this study, sol fraction, mass swelling ratio, mechanical properties, rheological properties, and curing depth were evaluated as a function of time with three photo-initiating systems: Irgacure 2959 (Ig2959; 320-500 nm), lithium phenyl-2,4,6-trimethylbenzoylphosphinate (LAP; 320-500 nm), and ruthenium/sodium persulfate (Ru/SPS; 400-500 nm). Results demonstrated that GelAGE precursory solutions mixed with either Ig2959 or LAP remained stable over time while the Ru/SPS system enabled the onset of controllable redox polymerization without irradiation during pre-incubation. Photo-polymerization using the Ru/SPS system was significantly faster (<5 s) compared to both Ig2959 (70 s) and LAP (50 s). Plus, The Ru/SPS system was capable of polymerizing a thick construct (8.88 ± 0.94 mm), while Ig2959 (1.62 ± 0.49 mm) initiated hydrogels displayed poor penetration depth with LAP (7.38 ± 2.13 mm) in between. These results thus support the use of the visible light based Ru/SPS photo-initiator for constructs requiring rapid gelation and a good curing depth while Ig2959 or LAP can be applied for photo-polymerization of GelAGE materials requiring long-term incubation prior to application if UV is not a concern.
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