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Proceedings Paper

Holographic lithography for biomedical applications
Author(s): E. Stankevicius; E. Balciunas; M. Malinauskas; G. Raciukaitis; D. Baltriukiene; V. Bukelskiene
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Paper Abstract

Fabrication of scaffolds for cell growth with appropriate mechanical characteristics is top-most important for successful creation of tissue. Due to ability of fast fabrication of periodic structures with a different period, the holographic lithography technique is a suitable tool for scaffolds fabrication. The scaffolds fabricated by holographic lithography can be used in various biomedical investigations such as the cellular adhesion, proliferation and viability. These investigations allow selection of the suitable material and geometry of scaffolds which can be used in creation of tissue. Scaffolds fabricated from di-acrylated poly(ethylene glycol) (PEG-DA-258) over a large area by holographic lithography technique are presented in this paper. The PEG-DA scaffolds fabricated by holographic lithography showed good cytocompatibility for rabbit myogenic stem cells. It was observed that adult rabbit muscle-derived myogenic stem cells grew onto PEG-DA scaffolds. They were attached to the pillars and formed cell-cell interactions. It demonstrates that the fabricated structures have potential to be an interconnection channel network for cell-to-cell interactions, flow transport of nutrients and metabolic waste as well as vascular capillary ingrowth. These results are encouraging for further development of holographic lithography by improving its efficiency for microstructuring three-dimensional scaffolds out of biodegradable hydrogels

Paper Details

Date Published: 11 May 2012
PDF: 7 pages
Proc. SPIE 8433, Laser Sources and Applications, 843312 (11 May 2012); doi: 10.1117/12.922793
Show Author Affiliations
E. Stankevicius, Ctr. for Physical Sciences and Technology (Lithuania)
E. Balciunas, Vilnius Univ. (Lithuania)
M. Malinauskas, Vilnius Univ. (Lithuania)
G. Raciukaitis, Ctr. for Physical Sciences and Technology (Lithuania)
D. Baltriukiene, Vilnius Univ. (Lithuania)
V. Bukelskiene, Vilnius Univ. (Lithuania)

Published in SPIE Proceedings Vol. 8433:
Laser Sources and Applications
Thomas Graf; Jacob I. Mackenzie; Helena Jelínková; John Powell, Editor(s)

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