Current Advancements in Human Organic 3-D Printing

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Evaluation of 3D Printing and Its Potential Impact on Biotechnology and the Chemical Sciences[1][edit | edit source]

Abstract:

Nearing 30 years since its introduction, 3D printing technology is set to revolutionize research and teaching laboratories. This feature encompasses the history of 3D printing, reviews various printing methods, and presents current applications. The authors offer an appraisal of the future direction and impact this technology will have on laboratory settings as 3D printers become more accessible.

  • This article provides examples, explanations and pro/cons of many 3D printing methods such as SLA(stereolithography), FDM(fused deposition modeling), inkjet, SLS(selective laser sintering), and LOM(laminated object manufacturing).
  • 3D printing hydrated polymers, specifically cells and hydrogels allow for the formation of biodegradable structures onto which living cells may attach and grow.
  • Stresses the need for biocompatability(being accepted or rejected by the human body) and bioreabsorption(being absorbed by the human body over time) of implanted materials.
  • Indicates importance of topography(specifically controlled porosity) needs for biological attachment of autogeneous bone growth primarily through calcium based materials.
  • Utilizing materials such as silicon for support, chondrocytes for biological component, and silver nanoparticles for electronic conductivity, an anatomically correct 3D printed bionic ear was achieved.

Recent advances in 3D printing of biomaterials[2][edit | edit source]

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  1. Gross, B.C., Erkal, J.L., Lockwood, S.Y., Chen, C., Spence, D.M., 2014. Evaluation of 3D Printing and Its Potential Impact on Biotechnology and the Chemical Sciences. Anal. Chem. 86, 3240–3253. doi:10.1021/ac403397r
  2. Chia, H.N., Wu, B.M., 2015. Recent advances in 3D printing of biomaterials. Journal of Biological Engineering 9, 4. doi:10.1186/s13036-015-0001-4