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Jet-based methods to print living cells
Biotechnology Journal (2006)
  • Bradley R Ringeisen
  • Christina M Othon, Wesleyan University
  • Jason A Barron
  • H Daniel Young
  • Barry J Spargo

Cell printing has been popularized over the past few years as a revolutionary advance in tissue engineering has potentially enabled heterogeneous 3-D scaffolds to be built cell-by-cell. This review article summarizes the state-of-the-art cell printing techniques that utilize fluid jetting phenomena to deposit 2- and 3-D patterns of living eukaryotic cells. There are four distinct categories of jetbased approaches to printing cells. Laser guidance direct write (LG DW) was the first reported technique to print viable cells by forming patterns of embryonic-chick spinal-cord cells on a glass slide (1999). Shortly after this, modified laser-induced forward transfer techniques (LIFT) and modified ink jet printers were also used to print viable cells, followed by the most recent demonstration using an electrohydrodynamic jetting (EHDJ) method. The low cost of some of these printing technologies has spurred debate as to whether they could be used on a large scale to manufacture tissue and possibly even whole organs. This review summarizes the published results of these cell printers (cell viability, retained genotype and phenotype), and also includes a physical description of the various jetting processes with a discussion of the stresses and forces that may be encountered by cells during printing. We conclude the review by comparing and contrasting the different jet-based techniques, while providing a map for future experiments that could lead to significant advances in the field of tissue engineering

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Citation Information
Bradley R Ringeisen, Christina M Othon, Jason A Barron, H Daniel Young, et al.. "Jet-based methods to print living cells" Biotechnology Journal Vol. 1 (2006)
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