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Journal of Nanomaterials - Volume 2015 2015, Article ID 213521, 14 pages -

Review ArticleDepartment of Molecular Medicine, School of Medicine, Gachon University, Songdo-Dong, Yeonsu-gu, Incheon 406-840, Republic of Korea

Received 5 August 2015; Revised 21 October 2015; Accepted 22 October 2015

Academic Editor: Ramaswamy Narayanan

Copyright © 2015 Jin Woo Lee. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Tissue engineering recovers an original function of tissue by replacing the damaged part with a new tissue or organ regenerated using various engineering technologies. This technology uses a scaffold to support three-dimensional 3D tissue formation. Conventional scaffold fabrication methods do not control the architecture, pore shape, porosity, or interconnectivity of the scaffold, so it has limited ability to stimulate cell growth and to generate new tissue. 3D printing technologies may overcome these disadvantages of traditional fabrication methods. These technologies use computers to assist in design and fabrication, so the 3D scaffolds can be fabricated as designed and standardized. Particularly, because nanofabrication technology based on two-photon absorption 2PA and on controlled electrospinning can generate structures with submicron resolution, these methods have been evaluated in various areas of tissue engineering. Recent combinations of 3D nanoprinting technologies with methods from molecular biology and cell dynamics have suggested new possibilities for improved tissue regeneration. If the interaction between cells and scaffold system with biomolecules can be understood and controlled and if an optimal 3D environment for tissue regeneration can be realized, 3D nanoprinting will become an important tool in tissue engineering.

Autor: Jin Woo Lee

Fuente: https://www.hindawi.com/


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