3D printed ionic liquids based hydrogels and applications

A new and exciting direction in advanced materials and biomedical engineering is the use of hydrogels based on ionic liquids that are 3D printed. Hydrogels with improved structural integrity and adjustable characteristics are made from ionic liquids, which are renowned for their distinct physicochemical qualities. Utilizing 3D printing technology, which gives precise control over the morphology and spatial arrangement of the finished structures, further expands the potential of these hydrogels. This review discusses the various uses of hydrogels based on ionic liquids that are created on 3D printers, from scaffolds for tissue engineering to drug delivery systems. Ionic liquids and 3D printing together provide a flexible platform for adjusting the hydrogels' mechanical strength, biocompatibility, and responsiveness. The addition of functional components like nanoparticles and bioactive compounds increases the therapeutic potential of these materials. This review covers the latest advancements, obstacles, and potential applications for 3D-printed hydrogels based on ionic liquids. A thorough grasp of how this novel methodology advances materials science and bioengineering and opens the door for next-generation biomedical applications may be gained by delving into the design concepts and fabrication methods. © 2024 The Author(s)