Predictive compensation-enabled horizontal inkjet printing of alginate tubular constructs

Changxue Xu, Kyle Christensen, Zhengyi Zhang, Yong Huang, Jianzhong Fu, Roger R. Markwald

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

Organ printing, a layer-by-layer bioprinting approach, has emerged as a promising solution to providing human organs for transplantation. While inkjet-based vertical printing has found much success in cellular tube printing, horizontal printing should also be studied to fabricate complex biological constructs such as vascular trees. The concavity deformation of printed constructs during conventional horizontal printing is reported and analyzed. To mitigate the process-induced deformation, horizontal printing with predictive compensation is proposed to print tubular constructs by adopting a non-circular printing trajectory with deformation allowance built in. The cross section of fabricated constructs can be nearly circular after predictive compensation.

Original languageEnglish
Pages (from-to)28-32
Number of pages5
JournalManufacturing Letters
Volume1
Issue number1
DOIs
StatePublished - Oct 2013

Keywords

  • Alginate tube
  • Horizontal printing
  • Inkjetting
  • Organ printing
  • Predictive compensation

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