Bioinks for jet-based bioprinting

Abstract Due to its customizability and versatility, three-dimensional (3D) bioprinting technologies have gained great popularity in tissue engineering and regenerative medicine. Known as a bioprinting technology, Early researches have demonstrated that jet-based bioprinting has unique advantages over extrusion bioprinting on properties including non-contact, agility, high resolution and precise control of the deposition pattern. It is an accurate and reproduceable method for depositing biomaterials or cells into defined different patterns for various uses. One of the most important components of jet-based bioprinting is the bioinks, which is a mixture of cells, biomaterials and bioactive molecules. To provide readers with a comprehensive understanding, we provide an overview of bioinks for jet-based bioprinting and discuss their classifications, characteristics and applications, as well as present current limitations of existing bioinks and promising solutions to these limitations.

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