Three dimensional (3D) bioprinting technology enables the freeform fabrication of complex
constructs from various hydrogels and is receiving increasing attention in tissue …

The development of new biomaterial inks with good structural formability and mechanical
strength is critical to the fabrication of 3D tissue engineering scaffolds. For extrusion‐based …

Photo-crosslinkable gelatin methacrylate (GelMA) has become an attractive ink in 3D
printing due to its excellent biological performance. However, limited by low viscosity and …

Stimuli-responsive hydrogels and/or composite hydrogels have been of great interest for
various printing applications including four-dimensional printing. Although various …

Composite hydrogels have gained great attention as three-dimensional (3D) printing
biomaterials because of their enhanced intrinsic mechanical strength and bioactivity …

Hydrogels combined with complex 3D shapes and robust mechanical properties are
extremely desired soft platforms in the fields of biomaterials, recently, 4D printing has been …

The extrusion 3D printing of hydrogels has evolved as a promising approach that can be
applied for specific tissue repair. However, the printing process of hydrogel scaffolds with …

The concept of adding inorganic fillers into hydrogels to form hydrogel nanocomposites
often provides advantageous properties which can be exploited for successful 3D …

Three-dimensional bioprinting of cell-laden hydrogels in a sacrificial support-bath has
recently emerged as a potential solution for fabricating complex biological structures …

Three-dimensional printing of cell-laden hydrogels has evolved as a promising approach on
the route to patient-specific or complex tissue-engineered constructs. However, it is still …