H.U. Kang#, Y. Li#, S.Y. Hann*, H. Cui*, J.S. Kang*, "Interfacial Effects on Thermal Conductivity and Speed of Sound in GelMA Hydrogels" (Submitted) (2026)
L. Xiu#, J. Zhang#, W. Bong#, S. Jeong, T. Yue, S.Y. Hann*, Y. Wang*, H. Cui*, L.G. Zhang, "Microphysiological Systems Integrating Bioprinting, Organoids, Organ-on-a-chip, and AI: Next Generation Platforms for Phamaceutical Development", Small (Accepted) (2026)
W. Bong, S.Y. Hann*, "Recent Advances in Biomaterals and Fabrication Strategies for Synthetic Bone Grafts", Applied Chemistry for Engineering, vol.37, no.2, pp.111-120. (2026)
S. Song, T. Agarwal, S. Guo, S.Y. Hann, J.D. Lee, L.G. Zhang, "Precise Cell Stratification in Alginate/GelMA Based 3D Constructs Using Coaxial Chaotic Bioprinting", International Journal of Biological Macromolecules, vol.330, pp.148102. (2025)
S.Y. Hann*, "4D Printing of Smart Biomaterials: Emerging Applications in Cardiovascular Tissue Engineering", Applied Chemistry for Engineering, vol.36, no.5, pp.437-442. (2025)
S.Y. Hann*, Y. Kang, H. Cui*, L.G. Zhang, "Microgels: From Synthesis to Tissue Engineering Applications", Biofabrication, vol.17, no.3, pp.032008. (2025)
S.Y. Hann*, "4D Printed Smart Cardiac Patch: Materials, Fabrication Techniques, and Clinical Applications", Applied Chemistry for Engineering, vol. 36, no.2, pp.146-151. (2025)
S.Y. Hann*, "Characteristics and Applications of 3D Printing Biomaterials: Roles of PLA, GelMA, PEGDA, and Elastic Polymers", Applied Chemistry for Engineering, vol.36, no.1, pp.9-15. (2025)
D. Haam, C.S. Bae, J.M. Kim, S.Y. Hann, R. Yim, H.S. Moon, D. Oh, "Reconstruction of Segmental Bone Defect in Canine Tibia Model Utilizing Bi-phasic Scaffold: Pilot Study", International Journal of Molecular Sciences, vol.25, no.9, pp.4604. (2024)
H. Cui, Z. Yu, Y. Huang, S.Y. Hann, T. Esworthy, Y. Shen, L.G. Zhang, "3D Printing of Thick Myocardial Tissue Construct with Anisotropic Myofibers and Perfusable Vascular Channels", Biomaterials Advances, vol.153, pp.213579. (2023)
S.Y. Hann#, H. Cui#, T. Esworthy, L.G. Zhang, "4D Thermo-responsive Smart Cardiac Construct for Myocardial Cell Therapy Using hiPSC-CMs", International Journal of Nanomedicine, vol.2023:18, pp.1809-1821. (2023) (#: Equal Contribution)
S.Y. Hann, H. Cui, G. Chen, M. Boehm, T. Esworthy, L.G. Zhang, "3D Printed Biomimetic Flexible Blood Vessels with iPS Cell-laden Hierarchical Multilayers", Biomedical Engineering Advances, vol.4, pp.100065. (2022)
S.Y. Hann, H. Cui, N.C. Zalud, T. Esworthy, K. Bulusu, Y. Shen, M.W. Plesniak, L.G. Zhang, "An in vitro Analysis of the Effect of Geometry-induced Flow on Endothelial Cell Behavior in 3D Printed Small-diameter Blood Vessels", Biomaterials Advances, vol.137, pp.212832. (2022)
T. Agarwal#, S.Y. Hann#, I. Chiesa#, H. Cui, N. Celikkin, S. Micalizzi, M. Costantini, L.G. Zhang, C. De Maria, T.K. Maiti, "4D Printing in Biomedical Engineering: Emerging Trends and Technologies", Journal of Materials Chemistry B, vol.32, pp.34. (2021) (#: Equal Contribution)
T. Agarwal#, G.M. Fortunato#, S.Y. Hann#, K.Y. Vajanthri#, B. Ayan, D. Presutti, H. Cui, A.H-P. Chan, M. Costantini, V. Onesto, C.D. Natale, N.F. Huang, L.G. Zhang, C.D. Maria, T.K. Maiti, "Recent Advances in Bioprinting Technologies for Engineering Cardiac Tissue", Materials Science & Engineering C, vol.124, pp.112057. (2021) (#: Equal Contribution)
S.Y. Hann, H. Cui, T. Esworthy, X. Zhou, S. Lee, M.W. Plesniak, L.G. Zhang, "Dual 3D Printing for Vascularized Bone Tissue Regeneration", Acta Biomaterialia, vol.123, pp.263-274. (2021)
A. Herreros-Pomares, X. Zhou, S. Calabuig-Faninas, S. Lee, S. Torres, T. Esworthy, S.Y. Hann, E. Jantus-Lewintre, C. Campos, L.G. Zhang, "3D Printing Novel in vitro Cancer Cell Culture Model Systems for Lung Cancer Stem Cell Study", Materials Science & Engineering C, vol.122, pp.111914. (2021)
Y. Wang, H. Cui, Y. Wang, C. Xu, T. Esworthy, S.Y. Hann, M. Boehm, D. Mei, L.G. Zhang, "4D Printed Cardiac Construct with Aligned Myofibers and Adjustable Curvature for Myocardial Regeneration", ACS Applied Materials & Interfaces, vol.13, no.11, pp.12746-12758. (2021)
S.Y. Hann, H. Cui, M. Nowicki, L.G. Zhang, "4D Printing Soft Robotics for Biomedical Applications", Additive Manufacturing, vol.36, pp.101567. (2020)
X. Zhou, S. Tanaglio, T. Esworthy, S.Y. Hann, H. Cui, T.J. Webster, H. Fenniri, L.G. Zhang, "Three-dimensional Printing Biologically Inspired DNA-based Gradient Scaffolds for Cartilage Tissue Regeneration", ACS Applied Materials & Interfaces, vol.12, no.29, pp.33219-33228. (2020)
H. Cui, C. Liu, T. Esworthy, Y. Huang, Z. Yu, X. Zhou, H. San, S. Lee, S.Y. Hann, M. Boehm, M. Mohiuddin, J. Fisher, L.G. Zhang, "4D Physiologically Adaptable Smart Vascularized Cardiac Patch: A Four-month in vivo Study for Myocardial Infraction Treatment", Science Advances, vol.6, no.26, pp.eabb5607. (2020)
S. Lee, D. Yan, X. Zhou, H. Cui, S.Y. Hann, T. Esworthy, M. Keidar, L.G. Zhang, "Integrating Cold Atmospheric Plasma with 3D Printed Bioactive Nanocomposite Scaffold for Cartilage Regeneration", Materials Science & Engineering C, vol.111, pp.110844. (2020)
S. Miao, H. Cui, T. Esworthy, B. Mahadik, S. Lee, X. Zhou, S.Y. Hann, J. Fisher, L.G. Zhang, "4D Self-morphing Culture Substrate for Modulating Cell Differentiation", Advanced Science, vol.7, no.6, pp.1902403. (2020)
S. Lee, D. Asheghali, B. Blevin, R. Timsina, T. Esworthy, X. Zhou, H. Cui, S.Y. Hann, X. Qui, A. Tokarev, S. Minko, L.G. Zhang, "Touch-spun Nanofibers for Nerve Regeneration", ACS Applied Materials & Interfaces, vol.12, no.2, pp.2067-2075. (2019)
H. Cui, T. Esworthy, X. Zhou, S.Y. Hann, R.I. Glazer, R. Li, L.G. Zhang, "Engineering a Novel 3D Printed Vascularized TIssue Model for Investigating Breast Cancer Metastasis to Bone", Advanced Healthcare Materials, vol.9, no.15, pp.1900924. (2019)
S.Y. Hann, H. Cui, T. Esworthy, X. Zhou, S.J. Lee, L.G. Zhang, "Dual 3D Printing Hierarchical Nano/Micro Vascularized Bone Tissue", Tech Science Press (Molecular & Cellular Biomechanics), vol.16, pp.76. (2019)
S.Y. Hann, H. Cui, T. Esworthy, S. Miao, X. Zhou, S.J. Lee, J.P. Fisher, L.G. Zhang, "Recent Advances in 3D Printing: Vascular Network for Tissue and Organ Regeneration", Translational Research, vol.211, pp.46-63. (2019)
H. Cui, S. Miao, T. Esworthy, S.J. Lee, X. Zhou, S.Y. Hann, T. Webster, B. Harris, L.G. Zhang, "A Novel Near-infrared Light Responsive 4D Printed Nanoarchitecture with Dynamically and Remotely Controllable Transformation", Nano Research, vol.12, no.6, pp.1381-1388. (2019)
T.J. Kim, M. Kim, S.Y. Hann, C. Hidrovo, "Thermal Characterization of Microheated Microchannels with Spatially Resolved Two-color Fluorescence Thermometry", Journal of Microelectromechanical Systems, vol.24, no.1, pp.115-125. (2014)
Y.G. Lee, H.Y. Cho, S.J. Jeong, S.Y. Hann, "Effects of Photoinitiator Type and UV Exposure Time on Microstructure and Mechanical Properties of GelMA", 2026 Fall Conference of the Korean Society for Precision Engineering, Changwon, South Korea (Dec 2026)
S.J. Jeong, Y.G. Lee, H.Y. Cho, S.Y. Hann, "Amplification of Disturbed Flow at a Y-shaped Vascular bifurcation by Early Stage Luminal Protrusion: A Computational Fluid Dynamic Study", 2026 Fall Conference of the Korean Society for Precision Engineering, Changwon, South Korea (Dec 2026)
H.Y. Cho#, Y. Lee#, S.J. Jeong, S.Y. Hann, "Effects of Photoinitiator Type and UV Exposure Time on the Mechanical Properties of GelMA", 2026 Fall Conference of the Society of Micro- and Nano-Systems, Gyeongju, South Korea (Oct 2026)
S.J. Jeong, Y. Lee, H.Y. Cho, S.Y. Hann, "Hemodynamic Effects of Localized Luminal Protrusion Severity in a Y-Shaped Vascular Bifurcation: A Computational Fluid Dynamic Study", 2026 Fall Conference of the Society of Micro- and Nano-Systems, Gyeongju, South Korea (Oct 2026)
S.Y. Hann, "3D/4D Bioprinting for Tissue Engineering", 2026 Spring Conference of the Korean Society for Precision Engineering, Jeju, South Korea (May 2026)
S.Y. Hann, "3D/4D Bioprinting for Vascular Tissue Engineering: Bridging Asian and European Innovations", Invited Virtual Seminar, Department of Ocean and Mechanical Engineering at Florida Atlantic University, Boca Raton, FL, USA (Mar 2026)
W. Bong, S.Y. Hann, "Adaptive 3D/4D Bioprinting of Vascularized Tissues for Regenerative Nanomedicine", The 18th IEEE International Conference on Nano/Molecular Medicine & Engineering, Hong Kong, China (Dec 2025)
S.Y. Hann, "3D/4D Bioprinting Techniques for Vascular Tissue Engineering", 2025 Fall Conference of the Society of Micro- and Nano-Systems, Yeosu, South Korea (Nov 2025)
S.Y. Hann, "3D/4D Bioprinting for Vascular Tissue Regeneration", Invited Seminar, Department of Chemical Engineering at Sungkyunkwan University, Suwon, South Korea (Nov 2025)
W. Bong, S.Y. Hann, "From Printing to Sensing: 4D Bioprinting Strategies for Adaptive Tissue Engineering", 2025 Fall Conference of the Korean Sensors Society, Yeosu, South Korea (Oct 2025)
S.Y. Hann, "Applications of 3D/4D Printing Technologies in Convergent Bio-Mechanical Processes", 2025 Summer Secondary Battery Process Equipment and Mechanical Technology Camp at KNU Advanced Battery Research Institute, Sangju, South Korea (Aug 2025)
S.Y. Hann, “3D/4D Bioprinting Technique for Vascular Tissue Regeneration”, 2025 KNU CRCMCE International Conference, Sangju, South Korea (Jul 2025)
S.Y. Hann, “Blood Flow Analysis in Artificial Hearts”, Invited Seminar, Department of Mechanical Engineering at Ajou University, Suwon, South Korea (Jul 2025)
O. Finnaoui, S.M. Song, M. Zahra, S.Y. Hann, D. Oh, "Immediate Implantation After Extraction with Non-Submerged Cuided Bone Regeneration in the Aesthetic Zone", 2025 Academy of Osseointegration Annual Meeting, Seattle, WA, USA (Mar 2025)
D. Oh, S.Y. Hann, Finnaoui, O., Zahra, M., Park, B., Song, S.M., "Enlarged Surface Design of Bioceramic Bone Grafts Enhances Proliferation and Promotes Bone Regeneration", 2025 Academy of Osseointegration Annual Meeting, Seattle, WA, USA (Mar 2025)
S.Y. Hann, "Biotechnology Toward the Future: Organoid", Global Frontier Discipline Lecture Series (G-Seminar) of Biomedical Engineering - College of Bioengineering, Chongqing University, Chongqing, China (Feb 2025)
S.Y. Hann, "Introduction to Precision Mechanical Engineering", Career Lecture Series by Invited Professionals, Mungyeong, South Korea (Dec 2024)
S.Y. Hann, “Small but Mighty: The World of Micro Machines”, Major-Specific Special Lecture Series, Sangju, South Korea (Jul 2024)
A. Messina, E. Marini, S.M. Song, S.Y. Hann, P.Y. Kang, R. Yim, D.S. Oh, "Vertical and Horizontal Alveolar Ridge Augmentation Using Hydroxyapatite-based Bone Graft with Fibrin Glue", 2024 Academy of Osseointegration Annual Meeting, Charlotte, NC, USA (Mar 2024)
S.Y. Hann, "A Future-oriented Technique in Healthcare: InRoad-organoid Platform", 2023 Seminar on Bone Replacement Convergence Medical Devices Technology Exchange, Damyang, South Korea (Sep 2023)
S.Y. Hann, L.G. Zhang, "3D Bioprinting of Biomimetic Flexible Blood Vessels with iPS Cell-laden Multilayers", 2022 Biomedical Engineering Society Annual Meeting, San Antonio, TX, USA (Oct 2022)
S.Y. Hann, H. Cui, T. Esworthy, L.G. Zhang, "3D Bioprinting of Flexible Blood Vessels with Biomimetic Multilayers", 2022 GWU R&D Showcase, Washington, DC, USA (Apr 2022)
S.Y. Hann, H. Cui, T. Esworthy, K. Bulusu, M.W. Plesniak, L.G. Zhang, "3D Bioprinting Biologically Inspired iPS Cell-laden Flexible Blood Vessels", ASME's International Mechanical Engineering Congress and Exposition (IMECE), Virtual Conference (Nov 2021)
T. Esworthy, J. L'insalata, H. Cui, S.Y. Hann, L.G. Zhang, "Development of a Novel 3D Bioprintable Blood Plasma-based Bioink for Complex Tissue Regeneration", ASME's International Mechanical Engineering Congress and Exposition (IMECE), Virtual Conference (Nov 2021)
S.Y. Hann, H. Cui, T. Esworthy, L.G. Zhang, "3D Printing of Biomimetic Flexible Multilayer Blood Vessels", 2021 GW R&D Showcase, Virtual Conference (Apr 2021)
S.Y. Hann, H. Cui, L.G. Zhang, "3D Bioprinted Bone Tissue with Perfusable Vascular Networks", ASME's International Mechanical Engineering Congress and Exposition (IMECE), Salt Lake City, UT, USA (Nov 2019)
T. Esworthy, X. Zhou, S.Y. Hann, H. Cui, S. Miao, S.J. Lee, L.G. Zhang, "Enhanced Neural Stem Cell Proliferation and Differentiation on 3D Printed Gelatin-methacrylate (GelMA) Scaffolds with Gamma-aminobutyric Acid (GABA) Modification and Supplementation", ASME's International Mechanical Engineering Congress Exposition (IMECE), Salt Lake City, UT, USA (Nov 2019)
S.Y. Hann, H. Cui, L.G. Zhang, "Fabrication of Biomimetic Vascularized Bone Tissue Using a Dual 3D Printing Technology", 2019 GW R&D Showcase, Washington, DC, USA (Oct 2019)
S.Y. Hann, H. Cui, T. Esworthy, X. Zhou, S.J. Lee, L.G. Zhang, "Fabrication of Biomimetic Nano Vascularized Bone Using a Dual 3D Printing Platform", 2019 Biomedical Engineering Society Annual Meeting, Philadelphia, PA, USA (Oct 2019)
S.Y. Hann, H. Cui, M. Plesniak, L.G. Zhang, "3D Bioprinting of Biomimetic Flexible Multilayer Blood Vessels", 2019 Biomedical Engineering Society Annual Meeting, Philadelphia, PA, USA (Oct 2019)
T. Esworthy, C. West, H. Cui, X. Zhou, S.Y. Hann, S.J. Lee, L.G. Zhang, "Effects of Insulin and TGF-β1 Supplementation on Neural Stem Cell Growth on 3D Printed Scaffolds", 2019 Biomedical Engineering Society Annual Meeting, Philadelphia, PA, USA (Oct 2019)
H. Cui, T. Esworthy, X. Zhou, S.Y. Hann, L.G. Zhang, "3D Printing Tri-cultured Vascularized Tissue Model for Breast Cancer Bone Metastasis Stud", 2019 Biomedical Engineering Society Annual Meeting, Philadelphia, PA, USA (Oct 2019)
X. Zhou, H. Cui, S.Y. Hann, T. Esworthy, L.G. Zhang, "3D Bioprinting Biomimetic Blood Vessel with Spatiotemporal Tunable Structure", 2019 Biomedical Engineering Society Annual Meeting, Philadelphia, PA, USA (Oct 2019)
H. Cui, T. Esworthy, X. Zhou, S.Y. Hann, L.G. Zhang, "3D Printing of Complex Vascularized TIssue with Multidirectional Differentiation", 2019 Biomedical Engineering Society Annual Meeting, Philadelphia, PA, USA (Oct 2019)
T. Esworthy, H. Cui, X. Zhou, S.Y. Hann, S.J. Lee, L.G. Zhang, "Neural Stem Cell Growth and Differentiation on 3D Printed GABA-doped Gelatin Methacrylate Scaffolds", 2019 Biomedical Engineering Society Annual Meeting, Philadelphia, PA, USA (Oct 2019)
T. Esworthy, X. Zhou, H. Cui, S.J. Lee, S.Y. Hann, L.G. Zhang, "Development of 3D Printed Gamma-aminobutyric Acid (GABA) Modified Gelatin-methacrylate Scaffolds for Improving Neural Stem Cell Function", 2019 Society of Engineering Sciences Meeting, St. Louis, MO, USA (Oct 2019)
S.Y. Hann, H. Cui, T. Esworthy, X. Zhou, S.J. Lee, L.G. Zhang, "Dual 3D Printing Hierarchical Nano/Micro Vascularized Bone Tissue", 1st International Conference on Biomechanics and Medical Engineering (ICBME 2019)-Yuan-Cheng Fung 100th Birthday Celebration, San Diego, CA, USA (Sep 2019)
S.Y. Hann, H. Cui, L.G. Zhang, "Dual 3D Bioprinting Vascularized Bone with Biomimetic Micro/Nano Architecture", 5th International Conference on Advances in Functional Materials (AFM 2019), Washington, DC, USA (Jul 2019)
T.J. Kim, S.Y. Hann, C. Hidrovo, "Pressure and Heating Effects on Superhydrophobic Friction Reduction", 65th Annual Meeting of the American Physical Society Division of Fluid Dynamics (APS-DFD), San Diego, CA, USA (Nov 2012)
S.Y. Hann, H. Cui, L.G. Zhang, "3D Printing of Biomimetic Flexible Multilayer Blood Vessels", Publication Number: US 12,734,026 B2 (2026)
H. Chen, S. Guo, S.Y. Hann, L.G. Zhang, "Chapter 2-1, Additive Manufacturing of Shape Memory Polymers", 4D Printing Handbook - 1st Edition (In press)
C. O'Brien, S.Y. Hann, B. Holmes, L.G. Zhang, "Chapter 1, Nanotechnology: A Toolkit for Cell Behavior", 3D Bioprinting and Nanotechnology in Tissue Engineering and Regenerative Medicine - 2nd Edition, pp.3-32, Elsevier Ltd (Feb 2022). ISBN: 9780128245538 (eBook), 9780128245521 (Hardcover)