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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.

Document Type: Research Article

Publication date: January 1, 2010

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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