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Rapid Deposition of Hydrogel Layers by Inkjet Printing

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A piezo inkjet printer was built for the rapid printing of hydrogels and other biological materials. Materials printed included the synthetic polymers; poly-diallyl-dimethyl ammonium chloride and polystyrene sulfonate, and the naturally occurring polymers chitosan and alginate.

Using these polymers, the printer was able to create robust hydrogels of size 17mm x 17mm x 2 mm high in under five minutes. This speed and size of production is of relevance in enabling tissue engineering, regenerative medicine and other technologies. Furthermore - live cells were successfully jet by the same printer, and could withstand the printing forces and remained viable in printed hydrogels for several days after printing.
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Document Type: Research Article

Publication date: 2010-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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