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关键词:'925055'
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Weitao Jia et al.
Biomaterials, 106, 58-68 (2016-08-24)
Despite the significant technological advancement in tissue engineering, challenges still exist towards the development of complex and fully functional tissue constructs that mimic their natural counterparts. To address these challenges, bioprinting has emerged as an enabling technology to create highly
Thomas Billiet et al.
Biomaterials, 35(1), 49-62 (2013-10-12)
In the present study, we report on the combined efforts of material chemistry, engineering and biology as a systemic approach for the fabrication of high viability 3D printed macroporous gelatin methacrylamide constructs. First, we propose the use and optimization of
Aleksander Skardal et al.
Tissue engineering. Part A, 16(8), 2675-2685 (2010-04-15)
Bioprinting by the codeposition of cells and biomaterials is constrained by the availability of printable materials. Herein we describe a novel macromonomer, a new two-step photocrosslinking strategy, and the use of a simple rapid prototyping system to print a proof-of-concept
Wanjun Liu et al.
Advanced healthcare materials, 6(12) (2017-05-04)
Bioprinting is an emerging technique for the fabrication of 3D cell-laden constructs. However, the progress for generating a 3D complex physiological microenvironment has been hampered by a lack of advanced cell-responsive bioinks that enable bioprinting with high structural fidelity, particularly
Methacrylated gelatin and mature adipocytes are promising components for adipose tissue engineering.
Birgit Huber et al.
Journal of biomaterials applications, 30(6), 699-710 (2015-05-29)
In vitro engineering of autologous fatty tissue constructs is still a major challenge for the treatment of congenital deformities, tumor resections or high-graded burns. In this study, we evaluated the suitability of photo-crosslinkable methacrylated gelatin (GM) and mature adipocytes as components
Marco Costantini et al.
Biofabrication, 8(3), 035002-035002 (2016-07-20)
In this work we demonstrate how to print 3D biomimetic hydrogel scaffolds for cartilage tissue engineering with high cell density (>10(7) cells ml(-1)), high cell viability (85 ÷ 90%) and high printing resolution (≈100 μm) through a two coaxial-needles system.
B Duan et al.
Acta biomaterialia, 10(5), 1836-1846 (2013-12-18)
Tissue engineering has great potential to provide a functional de novo living valve replacement, capable of integration with host tissue and growth. Among various valve conduit fabrication techniques, three-dimensional (3-D) bioprinting enables deposition of cells and hydrogels into 3-D constructs
Janet R Xavier et al.
ACS nano, 9(3), 3109-3118 (2015-02-13)
Despite bone's impressive ability to heal after traumatic injuries and fractures, a significant need still exists for developing strategies to promote healing of nonunion defects. To address this issue, we developed collagen-based hydrogels containing two-dimensional nanosilicates. Nanosilicates are ultrathin nanomaterials
Liliang Ouyang et al.
Biofabrication, 8(3), 035020-035020 (2016-09-17)
3D cell printing is an emerging technology for fabricating complex cell-laden constructs with precise and pre-designed geometry, structure and composition to overcome the limitations of 2D cell culture and conventional tissue engineering scaffold technology. This technology enables spatial manipulation of
Wanjun Liu et al.
Biofabrication, 10(2), 024102-024102 (2017-11-28)
Bioinks with shear-thinning/rapid solidification properties and strong mechanics are usually needed for the bioprinting of three-dimensional (3D) cell-laden constructs. As such, it remains challenging to generate soft constructs from bioinks at low concentrations that are favorable for cellular activities. Herein
Wouter Schuurman et al.
Macromolecular bioscience, 13(5), 551-561 (2013-02-20)
Gelatin-methacrylamide (gelMA) hydrogels are shown to support chondrocyte viability and differentiation and give wide ranging mechanical properties depending on several cross-linking parameters. Polymer concentration, UV exposure time, and thermal gelation prior to UV exposure allow for control over hydrogel stiffness
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