3D multiphoton lithography using biocompatible polymers with specific mechanical properties

Boris Buchroithner, Delara Hartmann, Sandra Mayr, Yoo Jin Oh, Dmitry Sivun, Andreas Karner, Bianca Buchegger, Thomas Griesser, Peter Hinterdorfer, Thomas A. Klar, Jaroslaw Jacak

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The fabrication of two- and three-dimensional scaffolds mimicking the extracellular matrix and providing cell stimulation is of high importance in biology and material science. We show two new, biocompatible polymers, which can be 3D structured via multiphoton lithography, and determine their mechanical properties. Atomic force microscopy analysis of structures with sub-micron feature sizes reveals Young's modulus values in the 100 MPa range. Assessment of biocompatibility of the new resins was done by cultivating human umbilical vein endothelial cells on two-dimensionally structured substrates for four days. The cell density and presence of apoptotic cells has been quantified. This journal is

Original languageEnglish
Pages (from-to)2422-2428
Number of pages7
JournalNanoscale Advances
Volume2
Issue number6
DOIs
Publication statusPublished - Jun 2020

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