Hydrogel Bioink
Hydrogel Bioink - Related Videos
08:34
Bioprinting Cellularized Constructs Using a Tissue-specific Hydrogel Bioink
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Cited by 59 •
2016
We describe a set of protocols that together provide a tissue-mimicking hydrogel bioink with which functional and viable 3-D tissue constructs can be bioprinted for use in in vitro screening applications.
06:29
Using Multilayered Hydrogel Bioink in Three-Dimensional Bioprinting for Homogeneous Cell Distribution
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Cited by 4 •
2020
Here, we developed a novel multilayered modified strategy for liquid-like bioinks (gelatin methacryloyl with low viscosity) to prevent the sedimentation of encapsulated cells.
10:25
Protocols of 3D Bioprinting of Gelatin Methacryloyl Hydrogel Based Bioinks
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Cited by 39 •
2019
Presented here is a method for the 3D bioprinting of gelatin methacryloyl.
08:31
Bioprinting of Hydrogel Tumor Slices as a 3D Model for Mantle Cell Lymphoma
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2025
This protocol provides a detailed description of the generation, culture, and analysis of mantle cell lymphoma in 3D printed hydrogel tumor slices.
10:17
Preparation and Characterization of Graphene-Based 3D Biohybrid Hydrogel Bioink for Peripheral Neuroengineering
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Cited by 7 •
2022
In this manuscript, we demonstrate the preparation of a biohybrid hydrogel bioink containing graphene for use in peripheral tissue engineering. Using this 3D biohybrid material, the neural differentiation protocol of stem cells is performed. This can be an important step in bringing similar biomaterials to the clinic.
FAQs
Rheological properties determine how the material flows through a nozzle and how reliably it can be deposited into the intended form. A suitable balance is necessary because the bioink must move during printing while still contributing to stable, accurately positioned layers afterward. These flow characteristics directly influence printability and the structural fidelity of the resulting construct.
Crosslinking stabilizes deposited layers and helps establish the hydrated matrix needed for the printed structure. Physical or chemical crosslinking can be used to create this stabilization, linking the printing step to the material’s final form. Its effectiveness affects whether the construct retains its architecture and continues to provide a suitable environment for living cells.
The hydrated polymer matrix can be designed to present localized biochemical or mechanical cues within a printed construct. These cues help reproduce selected aspects of tissue architecture and create spatially relevant cellular environments. In bioengineering, this capability is important when researchers want printed structures to do more than preserve shape, such as supporting tissue-like organization or functional maturation.
A typical workflow begins by depositing the cell-containing material through a nozzle into a planned three-dimensional arrangement. The deposited layers are then stabilized through physical or chemical crosslinking, producing a coherent hydrated matrix. Researchers evaluate the resulting construct in terms of printability, structural fidelity, cell viability, and, when relevant, functional maturation.
Researchers choose this approach when they need to combine three-dimensional structural fabrication with a cell-compatible, hydrated environment. Its uses include tissue engineering and regenerative medicine, where tissue-like constructs are investigated, as well as organoid culture and disease modeling. The appropriate application depends on whether the priority is architecture, cellular support, localized cues, or functional development.
Studies can assess how well a printed construct reproduces aspects of tissue architecture, maintains cell viability, and supports functional maturation. They can also examine structural fidelity and the effects of localized biochemical or mechanical cues. These outcomes help bioengineers identify limitations in current materials and guide efforts to improve the performance of tissue fabrication systems.