2022
DOI: 10.1007/s42242-022-00194-3
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Evaluation of different crosslinking methods in altering the properties of extrusion-printed chitosan-based multi-material hydrogel composites

Abstract: Three-dimensional printing technologies exhibit tremendous potential in the advancing fields of tissue engineering and regenerative medicine due to the precise spatial control over depositing the biomaterial. Despite their widespread utilization and numerous advantages, the development of suitable novel biomaterials for extrusion-based 3D printing of scaffolds that support cell attachment, proliferation, and vascularization remains a challenge. Multi-material composite hydrogels present incredible potential in… Show more

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Cited by 40 publications
(26 citation statements)
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“…The rheological properties of different inks were determined as previously reported, [ 49 ] by using a rotational rheometer (DHR‐3, Waters China Limited, USA) with a diameter of 50 mm parallel geometry. Firstly, the gap (1 mm) between two plates were filled by different ink samples (5/0%‐Z, 15/2%‐Z, and 20/4%‐Z) at 30 °C.…”
Section: Methodsmentioning
confidence: 99%
See 2 more Smart Citations
“…The rheological properties of different inks were determined as previously reported, [ 49 ] by using a rotational rheometer (DHR‐3, Waters China Limited, USA) with a diameter of 50 mm parallel geometry. Firstly, the gap (1 mm) between two plates were filled by different ink samples (5/0%‐Z, 15/2%‐Z, and 20/4%‐Z) at 30 °C.…”
Section: Methodsmentioning
confidence: 99%
“…The hydrophilicity of nanocomposite GelMA/PVA sample was investigated according to previous method, [ 49 ] by a water contact angle goniometer (OCA15EC, EASTERN‐DATAPHY, China). Each sample was measured using the sessile drop method at room temperature.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…One of the common methods for controlling the degradation rate is changing the crosslinking degree and the proportion of biomaterial composites. Thus, more research should focus on the mechanism of collagen degradation in vivo at different regeneration stages for tissue engineering applications [ 205 ].…”
Section: Future Perspectivementioning
confidence: 99%
“…The printed filament, as thin as 30 µm, had the capability to guide cellular orientation and provide a suitable environment for cell survival (>90%) and spreading. Liu et al [25] presented a composite hydrogel composed of chitosan/gelatin and egg white, serving as a novel bioink for extrusion-based printing. In addition, from the crosslinking mechanism perspective, tripolyphosphate (TPP) was found to maximally enhance the physical and biological properties of the scaffolds fabricated with the proposed composite hydrogel, showing great potential for future tissue engineering-related applications.…”
mentioning
confidence: 99%