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Surface functionalization of toner particles for three-dimensional laser-printing in biomaterial applications

: Speyerer, Christian; Güttler, Stefan; Borchers, Kirsten; Tovar, Günter E.M.; Hirth, Thomas; Weber, Achim

Li, Dawen (Chair) ; Materials Research Society -MRS-:
High-Speed and Large-Area Printing of Micro/Nanostructures and Devices : Symposium T held at the MRS Spring Meeting, April 26 - 28, 2011, San Francisco, California, USA
Warrendale, Pa.: MRS, 2011 (Materials Research Society Symposium Proceedings 1340)
ISSN: 0272-9172
6 S.
Symposium T "High-Speed and Large-Area Printing of Micro/Nanostructures and Devices" <2011, San Francisco/Calif.>
Materials Research Society (Spring Meeting) <2011, San Francisco/Calif.>
Materials Research Society Symposium <T, 2011, San Francisco>
Fraunhofer IPA ()
Fraunhofer IGB ()
3D-Printing; laser printing; Laserdrucktechnik; Druckverfahren; Biotechnologie; Fertigungsprozeß

Electro photography ("laser printing") has emerged to one of the leading two-dimensional (2D) print technologies during the last decades. However, in contrast to the well-established ink jet process, the examination of three-dimensional (3D) electro photography has just been started. A newly developed non-contact fusing procedure based on click chemistry methodology has been developed to reduce the mechanical as well as thermal stress during the curing. The inorganic SiOx-coating of the toner particles has been modified for the prospective attachment of the cell-growth promoting amino acid sequence Arg-Gly-Asp (RGD) for an improved cell attachment behavior onto the hydrophobic polymeric material.