YJ Medical Device Manufacturing Laboratory

Industrial Engineering / Bioengineering Departments


 

 

[Home

[People

[News & Links

[Research

[Publications]

 

Journal Publications

RESEARCH PAPERS

1. M. Barry, M. Shayan, B.T. Jankowitx, Y. Chen, X. Duan, A.M. Robertson, M.K. Chyu, and Y. Chun. Smart Guidewires for Smooth Navigation in Neurovascular Intervention, ASME Journal of Medical Devices, under review

 

2. M. Shayan, Y. Chun, W. Lim, M.W. Lee, T.H. Lee, B.H. Min, and D.G. Lee. Computational Analysis of the Regenerated Knee Structure after Bone Marrow Stimulation Techniques, Journal of Mechanics in Medicine and Biology, accepted 2014.

 

3. B.T. Jankowitz, M. Shayan, A.M. Robertson, and Y. Chun. In vitro assessment of the trackability of neurovascualr intermediate catheters: a comparative analysis, Journal of Medical Engineering & Technology, accepted 2014.

 

4. M. Shayan, Y. Jung, P. Huang, M. Moradi, A.Y. Plakseychuk, J.K. Lee, R. Shankar, and Y. Chun. Improved Osteoblast Response to UV-Irradiated PMMA/TiO2 Nanocomposites with Controllable Wettability, Journal of Materials Science: Materials in Medicine, in press, DOI 10.1007/s10856-014-5284-3.

 

5. Y. Kim, Y. Chun, and S.S. Cheon. Shear directional impact characteristics of adhesively bonded tubular joints, Advanced Composite Materials, in press, DOI 10.1080/09243046.2014.898437.

 

6. Y. Chun and B. Bidanda. Sustainable manufacturing and the role of the International Journal of Production Research, International Journal of Production Research, 51(23-24), 2013.

 

6. C.P. Kealey, Y. Chun, F. Vinuela, K.P. Mohanchandra, G.P. Carman, F. Vinuela, and D.S. Levi. In vitro and in vivo testing of a novel, hyperelastic thin film nitinol flow diversion stent, Journal of Biomedical Materials Research Part B: Applied Biomaterials, 100(3), pp.718-725, 2012

 

7. AW Tulloch, YJ Chun, DS Levi, KP Mohanchandra, GP Carman, PF Lawrence, and DA Rigberg. Hydrophilic Surface Treatment of Thin Film Nickel Titanium Reduces Platelet Adhesion and Aggregation in vitro and Prevents Endograft Thrombosis in vivo. Journal of Surgical Research, 2011, pp.1-6.

 

8. YJ Chun, Po-Yu Lin, Hsin-Yun Chang, M.C. Emmons, KP Mohanchandra,  DS Levi, and GP Carman.  Modeling and Experimental Analysis of The Hyper-Elastic Thin Film Nitinol. Journal of Intelligent Materials Systems and Structures, 20(5), Sept. 2011.

 

9. Youngjae Chun, Soojung C. Hur, Colin P. Kealey, Daniel S. Levi, K.P. Mohanchandra, Jeff D. Eldredge, Fernando Vinuela, Dino Di Carlo, and Gregory P. Carman. Intra-Aneurysmal Flow Reductions in a Thin Film Nitinol Flow Diverter. Smart Materials and Structures, 20, 055021.

 

10. KP Mohanchandra, Youngjae Chun, Sergey Prikhodko, and Gregory P. Carman. TEM Characterization of super-hydrophilic Ni-Ti Thin Film. Materials Letters, 65, 2011, pp.1184-1187.

 

11. Kealey C.P., Whelan S.A., Chun Y.J., Hur C.S, Tulloch A.W., Mohanchandra K.P., DiCarlo D., Levi D.S., Carman G.P., and Rigberg D.A. An In Vitro Hemocompatibility of Thin Film Nictinol  In Stenotic Flow Conditions. Biomaterials, 2010, Vol. 31 (34), pp.8864-8871.

 

12. Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, Michael C. Fishbein, and Greg P. Carman. Novel Micro-Pattering Processes for Thin Film NiTi Vascular Devices. Smart Materials and Structures, 2010, 19(105021), pp.1-9.

 

13. Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, Fernando Vinuela, and Greg P. Carman. Superhydrophilic Surface Treatment for Thin film NiTi Vascular Applications. Material Science and Engineering C, 2009, 29(8), pp.2436-2441.

 

14. David Rigberg, Allan Tulloch, Youngjae Chun, Kotekar Panduranga Mohanchandra, Greg P. Carman, and Peter Lawrence. Thin-film nitinol (NiTi): A feasibility study for a novel aortic stent graft material. Journal of Vascular Surgery, 2009; 50, pp.375-380.

 

15. (FRONT COVER) Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, Fernando Vinuela, Fernando Vinuela, Jr. and Greg P. Carman. Thin Film Nitinol Microstent for Aneurysm Occlusion. Journal of Biomechanical Engineering – ASME Trans. Vol. 131, 2009, pp.1-8.

 

16. Eun Sang Lee, Y.J. Chun, J.Y. Jang, Myeong Woo Cho, Won Seung Cho, and J.H. Lee. In-Process Electrolytic Dressing Lapping (IEDL) of Al2O3-BN Machinable Ceramics. Key Engineering Materials, 2007; 336-338, pp. 1473-1476.

 

17. Eun-Sang Lee, Jung-Hoon Lee, Won-Mook Kim, and Young-Jae Chun. Removal of micro burr by using Electrolytic-deburring. Journal of the Korean Society of Precision Engineering, 2005; 22(9), pp. 20-26.

 

18. Eun Sang Lee, Young Jae Chun and Nam Kyung Kim. A study on the optimum condition selection of rotary dressing system of ultra-precision centerless grinding machine for ferrule fabrication. Key Engineering Materials, 2005, pp.189-194.

 

 

ABSTRACTS

 

1. Youngjae Chun, Soojung C. Hur, Colin Kealey, Allan W. Tulloch, Daniel S. Levi, Dino Di Carlo, Hsin-Yun Chang, K.P. Mohanchandra, David A. Rigberg, Peter F. Lawrence, and Gregory P. Carman. A Novel Neurovascular Stent Covered in Stretchable Thin Film NiTi Significantly Decreases Flow into a Wide-Neck Aneurysm In Vitro. Journal of the American Society for Artificial Internal Organs (ASAIO), March/April 2010, 56(2), pp.119-138.

2. A. Tulloch, Y. Chun, A. Chau, K. Mohanchandra, G. Carman, P. Lawrence, and D. Rigberg. Thin-film nickel titanium demonstrates reduced bacterial adherence in vitro compared with commercially available endograft materials. Journal of the American College of Surgeons, Volume 209, Issue 3, 2009, p.S141.

3. Allan W Tulloch, Youngjae Chun, Daniel S Levi, Kotekar P Mohanchandra, Gregory P Carman, Peter F Lawrence, and David A Rigberg. Hydrophilic Surface Treatment of Thin Film Nickel Titanium Reduces Platelet Adhesion and Aggregation in vitro and Prevents Endograft Thrombosis in vivo. Arterioscler. Thromb. Vasc. Biol. 2009; 29; e9-e130, Journal of the American Heart Association, p.99.

4. Youngjae Chun, Daniel S Levi, KP Mohanchandra, Fernando Vinuela, and Gregory P Carman. Manufacturing and In-vivo Testing of Thin Film NiTi Endograft. Journal of the American Society for Artificial Internal Organs (ASAIO), March/April 2009, 55(2), pp.158-176.

 

Conference Presentations and Proceedings

 

1.  M. Haithem Babiker, Youngjae Chun, Colin Kealey, Gregory Carman, Dan Levi, David Frakes. Experimental Fluid Dynamic Investigation of a Novel Hyper-Elastic Thin Film for Cerebral Aneurysm Treatment. ASME 2011 Summer Bioengineering Conference, Jun. 22-25, 2011, Farmington, PA. Abstract accepted.

2.  Youngjae Chun, Soojung C. Hur, Colin P. Kealey, Daniel S. Levi, KP Mohanchandra, Dino Di Carlo, and Gregory P. Carman. A Novel Hyper-Elastic Thin Film Nitinol Covered Stent Significantly Decreases Intra-Aneurysmal Flow In Vitro. SPIE conference on Smart Materials and NDE, Mar. 06-10, 2011, San Diego, CA.

3.  Greg Carman, Y.J. Chun, K.P. Mohanchandra, D. Levi, C. Kealey, C.S. Hur, D. DiCarlo, F. Vinuela. A Hyper-Elastic Thin Film Nitinol Flow Diverter for Brain Aneurysms. The Minerals, Metals & Materials Society (TMS) 2011, Mar. 01-04, 2011, San Diego, CA.

4.  Colin P Kealey, Haithem H Babiker, Youngjae Chun, Po-You Lin, K.P. Mohanchandra, David A Rigberg, Gregory P Carman, Daniel S Levi, and David H Frakes. In Vitro Evaluation of a Novel Hyper-Elastic Thin Film Nitinol Covered Stent for the Treatment of Intracranial Aneurysms. International Stroke Conference 2011, Feb. 09-11, 2011, Los Angeles, CA.

5.  Daive Rigberg, Daniel Levi, Greg Carman, Youngjae Chun, K.P. Mohanchandra, Colin Kealey. The Development And Characterization Of Next Generation Endovascular Devices Using Thin Film NItinol. VEITH symposium 2010, 38th Annual Symposium on Vascular and Endovascular Issues, Nov. 16-20, 2010, New York, NY.

6.  Rupal I. Mehta, Youngjae Chun, Daniel S. Levi, Gregory P. Carman, Harry V. Vinters, Michael C. Fishbein, William H. Yong. Analysis of Hydrophilic Coating on Vascular Devices as a Cause of Cerebral Ischemia. UCLA Oppenheimer Program, Nov. 16, 2010, David Geffen School of Medicine, CNSI, Los Angeles, CA. 

7.  YJ Chun, HY Chang, PY Lin, DS Levi, KP Mohanchandra, MC Emmons, MH Seong, AW Tulloch, CP Kealey, DA Rigberg, PF Lawrence, and GP Carman. Computational Modeling and Experimental Characterization of Hyper-Elastic Thin Film NiTi for Neurovascular Microstent Applications. 2010 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Sept. 28- Oct. 1, 2010, Philadelphia, PA.

8.  YJ Chun, DS Levi, SC Hur, CP Kealey, AW Tulloch, KP Mohanchandra, DA Rigberg, DD Carlo, PF Lawrence, F Vinuela, F Vinuela, Jr., and GP Carman. Thin Film Nitinol Vascular Grafts for Treating Intracranial Aneurysms. US-Korea Conference on Science, Technology, and Entrepreneurship (UKC), Aug. 11-15, 2010, Seattle, WA.

9.   Tulloch AW, Chun Y, Kealey C, Mohanchandra KP, Chang J, Milisavljevic V, Levi DS, Carman GP, Lawrence PF, Rigberg DA. Hydrophilic Surface Treatment of Thin Film Nickel Titanium Reduces Bacterial Biofilm Production Compared to Commercially Available Endograft Materials. 2010, Vascular Annual Meeting, June 10-13, 2010, Boston, MA. (Allan W. Tulloch received the Society for Vascular Surgery Annual Meeting Award.)

10. Youngjae Chun, Soojung C. Hur, Colin Kealey, Allan W. Tulloch, Daniel S. Levi, Dino Di Carlo, Hsin-Yun Chang, K.P. Mohanchandra, David A. Rigberg, Peter F. Lawrence, and Gregory P. Carman. A Novel Neurovascular Stent Covered in Stretchable Thin Film NiTi Significantly Decreases Flow into a Wide-Neck Aneurysm In Vitro. American Society for Artificial Internal Organs (ASAIO), May 27-29, 2010, Baltimore, MD.

11. Colin Kealey, Youngjae Chun, Allan W. Tulloch, Daniel S. Levi, KP Mohanchandra, Gregory P Carman, Peter F Lawrence, and David A Rigberg. An In Vitro Examination of the Thrombotic Response to Thin Film Nickel Titanium (Nitinol) Under Stenotic Flow Conditions. 2010, Arteriosclerosis, Thrombosis and Vascular Biology 2010, Apr. 8-10, 2010, San Francisco, CA.

12. YJ Chun, KP Mohanchandra, AW Tulloch, CP Kealey, DS Levi, DA Rigberg, and GP Carman. Development and Testing of a Novel Ultra-Low Profile Smart Occluders for Soldiers in the Battlefield. CASIT Event for the Department of Defense, Nov. 10, 2009, Active Materials Laboratory, UCLA, Los Angeles, CA.

13. Youngjae Chun, Daniel S. Levi, Allan W. Tulloch, K. P. Mohanchandra, David A. Rigberg, Fernando Vinuela , Fernando Vinuela Jr., Peter F. Lawrence, and Greg P. Carman. Micro-patterned Superhydrophilic Thin Film NiTi Endografts for Treating Vascular Diseases. The International Conference on Shape Memory and Superelastic Technologies, May 16-20, 2010, Pacific Grove, CA.

14. Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, Allan W. Tulloch, David  A. Rigberg,  Fernando Vinuela, Fernando Vinuela Jr., and Greg P. Carman. Novel Fabrication Processes for Thin Film Nitinol Endografts and Evaluation of Endothelialization in Swine Model. SPIE conference on Smart Materials and NDE, Mar. 07-11, 2010, San Diego, CA.

15. YJ Chun, DS Levi, AW Tulloch, SC Hur, CP Kealey, KP Mohanchandra, DA Rigberg, PF Lawrence, F Vinuela, F Vinuelar, Jr., and GP Carman. Hemocompatible Thin Film Stent-grafts for Treating Neurovascular Diseases. The 6th Annual Young Generation Technical & Leadership Conference, Jan. 08-10, 2010, Washington D.C., MD. (Youngjae Chun received the 3rd Place in Technical Lecture Award)

16. Allan Wiley Tulloch, Youngjae Chun, Anthony Chau, Komindar P Mohanchandra, Greg P Carman, Peter F Lawrence, and David A Rigberg. Thin-film nickel titanium demonstrates reduced bacterial adherence in vitro compared with commercially available endograft materials. American College of Surgeons 95th Annual Clinical Congress, Oct. 11-15, 2009, Chicago, IL.

17. Youngjae Chun, Daniel S. Levi, KP Mohanchandra and Greg P. Carman. Fabrication Processes for Creating Micro Features in Thin Film NiTi Endovascular Grafts. 2009 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Sept. 20-24, 2009, Oxnard, CA.

18. Youngjae Chun, Allan Tulloch, Daniel S. Levi, K. P. Mohanchandra, Fernando Vinuela, David A. Rigberg, and Greg P. Carman. Less Thrombogenic Surface of Thin Film Nitinol for Endovascular Grafts. 22nd European Conference on Biomaterials, Sept. 7-11, 2009, Lausanne, Switzerland.

19. YJ Chun, DS Levi, KP Mohanchandra, and GP Carman. Self-expandable Thin Film Nitinol Endografts for Vascular Repair: Manufacturing and Short-Term Results in Swine. 4th Frontiers in Biomedical Devices Conference & Exhibition, 2009-83048, June 08-09, 2009, Irvine, CA.

20. Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, Fernando Vinuela, and Greg P. Carman. Manufacturing and In-vivo Testing of Thin Film Nitinol Micro-Endograft. American Society for Artificial Internal Organs (ASAIO), May 28-30, 2009, Dallas, TX.

21. Allan W Tulloch, Youngjae Chun, Daniel S Levi, Kotekar P Mohanchandra, Gregory P Carman, Peter F Lawrence, David A Rigberg. Hydrophilic Surface Treatment of Thin Film Nickel Titanium Reduces Platelet Adhesion and Aggregation in vitro and Prevents Endograft Thrombosis in vivo. 2009, Rochester Vascular 2009, May 1-3, 2009, Rochester, NY.  (Allan W. Tulloch received the second place in the Resident Research Competition.)

22. AW Tulloch, YJ Chun, DS Levi, KP Mohanchandra, GP Carman, PF Lawrence, DA Rigberg. Hydrophilic Surface Treatment of Thin Film Nickel Titanium Reduces Platelet Adhesion and Aggregation in vitro and Prevents Endograft Thrombosis in vivo. 2009, SVS 2009 Research Initiatives in Vascular Disease Conference, Apr. 28, 2009, Washington, DC.

23. Youngjae Chun, Daniel S. Levi, Allan W. Tulloch, K. P. Mohanchandra, Fernando Vinuela, Fernando Vinuela, Jr. and Greg P. Carman. Manufacturing and In-vivo Testing of Thin Film Nitinol Micro-Endograft. Technology Forum 2009, Apr. 23, 2009, CNSI, UCLA, Los Angeles, CA.

24. Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, and Greg P. Carman. Superelastic NiTi Thin Film Small Vessel Graft for Vascular Repair. SPIE conference on Smart Materials and NDE, Vol. 7288, Mar. 08-12, 2009, San Diego, CA. (Youngjae Chun received the Honorable Mention in Best Student Paper Competition Award)

25. Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, and Greg P. Carman. Thin Film Nitinol Microstent for Aneurysm Occlusion. 2008 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), 2008-389, October 28-30, 2008, Ellicott City, MD. (Youngjae Chun received the Best Student Paper Award in Bio-inspired Smart Materials and Structures)

26. David A. Rigberg, Youngjae Chun, K.P. Mohachandra, Gregory P. Carman, Peter F. Lawrence. Thin Film Nitinol (NiTi): A Novel Material for Aortic Stent Grafts. Western Vascular Society 23rd Annual Meeting, September 13-16, 2008, Napa, CA.

27. Youngjae Chun, Daniel S. Levi, K. P. Mohanchandra, Fernando Vinuela, Fernando Vinuela, Jr., and Greg P. Carman. Thin Film Nitinol Micro-Endograft for Interventional Procedures. Technology Forum 2008, May 27, 2008, UCLA, Los Angeles, CA.

28. Youngjae Chun, K. P. Mohanchandra, Daniel S. Levi, and Greg P. Carman. Thin Film NiTi Biomedical Applications. The 18th Korean-American Scientists and Engineers Association, Feb. 09, 2008, California Institute of Technology, Pasadena, CA.

29. Youngjae Chun, K. P. Mohanchandra, Lenka Stepan, Daniel S. Levi, and Greg P. Carman. Manufacturing and Testing of Thin Film NiTi for Biomedical Applications. The 44th Annual Technical Meeting of the Society of Engineering Science, Oct. 21-24, 2007, TAMU, TX.

30. Youngjae Chun, Daniel Levi, and Greg P. Carman. Thermomechanical Behavior and Biomedical Applications of NiTi Smart Materials. KAIST_UCLA Student Workshop, Feb. 2007, UCLA, Los Angeles, CA.

31. Youngjae Chun. Thermomechanical Behavior and Biomedical Applications of NiTi Smart Materials. The 3rd Annual Young Generation Technical & Leadership Conference, Jan. 07, 2007, New York, NY.

32. YJ Chun, LS Stepan, GP Carman, DS Levi, and D. Rigberg. Thin Film Nitinol Medical Devices. Women & Philanthropy CASIT Event Production, Nov. 16, 2006, Center for Advanced Surgical and Interventional Technology, David Geffen School of Medicine, Los Angeles, CA.

33. Eun Sang Lee, YJ Chun, Nam Kyung Kim. A study on the optimum condition selection of rotary dressing system of ultra-precision centerless grinding machine for ferrule fabrication. The International Committee for Abrasive Technology, Jun. 2005, St. Petersburg, Russia.

34. Eun-Sang Lee, Jung-Hyun Lee and Young-Jae Chun. Selecting Optimal Dressing Parameters of Ultra-precision Centerless Grinding Based on the Taguchi Methodology. Korean Society of Precision Engineering (6), pp.108-113, 2005, Republic of Korea.

35. Eun-Sang Lee, Jung-Hoon Lee, Won-Mook Kim, and Young-Jae Chun. Micro Burr Removal by Electro-deburring. Korean Society of Precision Engineering 22(9), 2005, Jeju Isalnd, Jeju, Republic of Korea.

36. Young-Jae Chun, Jung-Hoon Lee and Eun-sang Lee. A Study on the Optimal Condition Selecting Ultra-thin Shadow Mask with Electrolytic-deburring. Korean Society of Mechanical Engineers, pp.1504-1508, 2005, Pusan, Republic of Korea.

37. Young-Jae Chun, Eun-sang Lee. Development of Dressing System for Centerless Grinding Machine and Database Construction of Ferrule Centerless Grinding. Korean Society of Precision Engineering, pp.1335-1338, 2004, Republic of Korea.

Updated Oct. 10 2014