Dong-Woo Cho
Dong-Woo Cho, Ph.D.
Nam-Go Chair Professor, Department of Mechanical Engineering,
Director, Center for rapid prototyping based 3D tissue/organ printing,
Pohang University of Science and Technology, Pohang, KOREA


Prof. Dong-Woo Cho received his Ph.D. in Mechanical Engineering from the University of Wisconsin-Madison in 1986. Ever since, he has been a professor of Department of Mechanical Engineering at the Pohang University of Science and Technology. He is director of the Center for Rapid Prototyping-based 3D Tissue/Organ printing. His research interests include 3D microfabrication based on 3D Printing technology, its application to tissue engineering, and more generally to bio-related fabrication. He has recently focused on tissue/organ printing technology and development of high-performance bio-inks. He has received several prestigious awards in these academic areas. He serves or has served on the editorial boards of several International Journals. Prof. Cho has published over 240 academic papers in various international journals in the field of manufacturing and tissue engineering, and has contributed chapters to ten books and written a textbook related to tissue engineering and organ printing.

Selected Publications
1.   Falguni Pati, Jinah Jang, Dong-Heon Ha, Sung Won Kim, Jong-Won Rhie, Jin-Hyung Shim, Deok-Ho Kim, Dong-Woo Cho, "Printing three dimensional tissues with decellularized  extracellular matrix bioink," Nature Communications, Vol.5, Article No.3935, pp.1-11, June 2014.
2.   Sanskrita Das, Falguni Pati, Yeong-Jin Choi, Girdhari Rijal, Jin-Hyung Shim, Alok R. Ray,
Dong-Woo Cho, Sourabh Ghosh, "Bioprintable, cell-laden silk fibroin-gelatin hydrogel supporting multilineage differentiation of stem cells for fabrication of 3D tissue constructs," Acta Biomaterialia, Vol.11, pp.233-246, January 2015.
3.   Ju Young Park, Jin-Hyung Shim, Song-Ah Choi, Jinah Jang, Myungshin Kim, Sang Hwa Lee, Dong-Woo Cho, "Spatial and temporal control of dual growth factors (BMP-2 and VEGF) using 3D printing technology for vascularized large volume bone regeneration," Journal of Materials Chemistry B, Vol.3, pp.5415-5425, July 2015.
4.   Falguni Pati, Tae-Ha Song, Girdhari Rijal, Jinah Jang, Sung Won Kim, Dong-Woo Cho, "Ornamenting 3D printed scaffolds with cell-laid extracellular matrix for bone tissue regeneration," Biomaterials, Vol.37, pp.230-241, January 2015.
5.   Jeong Hun Park, Jung Min Hong, Young Min Joo, Jin Woo Jung, Sang-Jin Lee, James J. Yoo,
Sung Won Kim, Dong-Woo Cho, "A novel tissue-engineered trachea and its relevant mechanical behavior," Biomaterials, Vol.62, pp.106-115, September 2015.
6.  Falguni Pati, Dong-Heon Ha, Jinah Jang, Hyun Ho Hahn, Jong-Won Rhie, Dong-Woo Cho,
"Biomimetic 3D Tissue Printing for Soft Tissue Regeneration," Biomaterials, Vol.62, pp.164-175, September 2015.


3D Printing Technology and Its Biomedical Applications

Research at the IMS Laboratory focuses biomedical engineering, especially tissue engineering and regenerative medicine based on 3D Printing technology, which can be used to fabricate complex three-dimensional (3D) structures. This technology includes nano/micro-stereolithography (NSTL/MSTL) and a multi-head deposition system (MHDS), areas in which our research and development efforts have played a major role. The IMS Laboratory has attempted to apply these technologies to fabricate 3D scaffolds for tissue regeneration with high resolution. Moreover, using an automated computer-assisted design and machining (CAD/CAM) system, we can fabricate custom-made scaffolds that match the shapes of tissue defects. Currently, the IMS Laboratory is developing 3D cell/organ printing technology based 3D Printing technology for constructing integrated pre-tissues using both synthetic polymers and hydrogels. Our ultimate goal is tissue/organ regeneration by constructing and integrating the pre-tissues using this developed 3D tissue/organ printing technology. In this particular presentation, some results will be introduced regarding scaffold based tissue engineering and the feasibility of cell printing technology will be discussed.

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  September 15, 2017