NDLI: Self-standing aligned fiber scaffold fabrication by two photon photopolymerization

Content Provider	Springer Nature Link
Author	Hidai, Hirofumi Jeon, Hojeong Hwang, David J. Grigoropoulos, Costas P.
Copyright Year	2009
Abstract	Development of materials and fabrication techniques lead the growth of three-dimensional cell culture matrices in biomedical engineering. In this work, we present a method for fabricating self-standing fiber scaffolds by two-photon polymerization induced by a femtosecond laser. The aligned fibers are 330 μm long with a diameter of 6–9 μm. Depending on the pitch of the aligned fibers, various cell morphologies are distinguished via three-dimensional images. Furthermore, the morphologies of fibroblast cells (NIH-3T3) and epithelial cells (MDCK) on the fiber scaffolds are studied to show the effect of high curvature (3–4.5 μm radii) on cell morphology. NIH-3T3 cells that contain straight pattern of actin microfilament bundles are extended and partly wrap single fibers or tend to reside between fibers. On the other hand, MDCK cells that contain circular pattern of actin microfilament bundles cover the fiber peripheral surface exhibiting high aspect ratio elongation. These results indicate that cell morphology on fiber scaffolds is influenced by the pattern of actin microfilament bundles.
Starting Page	643
Ending Page	652
Page Count	10
File Format	PDF
ISSN	13872176
Journal	Biomedical Microdevices
Volume Number	11
Issue Number	3
e-ISSN	15728781
Language	English
Publisher	Springer US
Publisher Date	2009-01-09
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cell morphology Fiber scaffold Laser manufacturing Two-photon polymerization Fibroblast cell Epithelial cell Engineering Fluid Dynamics Nanotechnology Biophysics/Biomedical Physics Biomedical Engineering
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Molecular Biology Biomedical Engineering

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