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Laser surface treatment of polyamide and NiTi alloy and the effects on mesenchymal stem cell response
Waugh, David G. Lawrence, Jonathan Shukla, Pratik Chan, Chi-Wai Hussain, Issam Man, Hau-Chung Smith, Graham C.
Waugh, David G.
Lawrence, Jonathan
Shukla, Pratik
Chan, Chi-Wai
Hussain, Issam
Man, Hau-Chung
Smith, Graham C.
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2015-07-01
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Abstract
Mesenchymal stem cells (MSCs) are known to play important roles in development, post-natal growth, repair, and regeneration of mesenchymal tissues. What is more, surface treatments are widely reported to affect the biomimetic nature of materials. This paper will detail, discuss and compare laser surface treatment of polyamide (Polyamide 6,6), using a 60 W CO2 laser, and NiTi alloy, using a 100 W fiber laser, and the effects of these treatments on mesenchymal stem cell response. The surface morphology and composition of the polyamide and NiTi alloy were studied by scanning electron microscopy (SEM) and X-ray photoemission spectroscopy (XPS), respectively. MSC cell morphology cell counting and viability measurements were done by employing a haemocytometer and MTT colorimetric assay. The success of enhanced adhesion and spreading of the MSCs on each of the laser surface treated samples, when compared to as-received samples, is evidenced in this work.
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Waugh, D. G., Lawrence, J., Shukla, P., Chan, C., Hussain, I., Man, H. C., & Smith, G. C. (2015). Laser surface treatment of polyamide and NiTi alloy and the effects on mesenchymal stem cell response. Proceedings of the SPIE, 9657.
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SPIE
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Article
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en
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Copyright 2015 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
http://dx.doi.org/10.1117/12.2182432