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相关实验视频

Updated: May 11, 2025

Author Spotlight: Understanding Chronic Lung Diseases Using 3D Printed Phototunable Hydrogels
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基于丝纤维的生物墨水用于高精度的数字光处理,3D打印,3D打印.

Xinrang Zhai1, Miner Hu2, Linran Song1

  • 1School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China; Center for Regeneration and Aging Medicine, International Institutes of Medicine, the Fourth Affiliated Hospital, International School of Medicine, Zhejiang University, Yiwu, Zhejiang 322000, China.

International journal of biological macromolecules
|April 18, 2025
PubMed
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将丝纤维素 (SF) 添加到生物墨水中可以通过吸收自由基来提高3D生物打印的精度. 这种天然的大分子增强了用于组织工程应用的水凝忠实性和机械强度.

科学领域:

  • 生物材料科学 生物材料科学
  • 生物技术是生物技术.
  • 组织工程是组织工程.

背景情况:

  • 基于光的3D生物打印对于复杂的生物医学结构至关重要.
  • 生物墨中的过度自由基反应限制了图案忠实性和打印分辨率.
  • 研究自然宏分子以提高生物墨的性能.

研究的目的:

  • 研究使用丝纤维素 (SF) 提高3D生物打印的精度和真实性.
  • 了解SF提高3D打印性能的机制.
  • 评估SF改性水凝的生物相容性和机械性能.

主要方法:

  • 将丝纤维素 (SF) 纳入GelMA和PEGDA生物墨水中.
  • 使用基于光的光聚合3D生物打印.
  • 评估打印分辨率,保真度和生物兼容性.
  • 在酒精处理后测试机械性能.
  • 通过自由基吸收和光吸收分析进行机制调查.

主要成果:

  • 丝纤维素显著提高了打印分辨率和图案保真度.
  • 经过SF修改的水凝表现出令人满意的生物相容性.
关键词:
通过3D打印打印3D打印.高精度高精度的高精度丝纤维素是一种丝纤维素.

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  • 酒精处理通过β-片的形成增强了水凝的机械性能.
  • SF的机制包括由氨酸和轻微光吸收的自由基吸收.
  • 含有基基组的分子可以提高3D打印的精度.

    • 结论:

    • 丝纤维素是一种有效的添加剂,可以提高3D生物打印的精度和保真度.
    • SF改善了水凝的机械性能,并保持了生物相容性.
    • 该研究阐明了SF在光聚合过程中减轻自由基反应中的作用.
    • 这一策略为推进组织工程的3D生物打印提供了一个简单的方法.