Journal Papers

1.        S. Chen, L. Peng, Y. Hu, Z. Zhao, A. Srivastava, Y. Zhang, J.-W. Choi, B. Li, and E. Song, "Powering up dark silicon: mitigating the limitation of power delivery via dynamic pin switching," IEEE Transactions on Emerging Topics in Computing, vol. 3, no. 4, pp. 489-501, 2015.

2.       T. H. da Costa, E. Song, R. P. Tortorich, and J.-W. Choi, "A paper-based electrochemical sensor using inkjet-printed carbon nanotube electrodes," ECS Journal of Solid State Science and Technology, vol. 4, no. 10, pp. S3044-S3047, 2015.

3.       Y. Hu, S. Chen, L. Peng, E. Song, and J.-W. Choi, "Thermal control in 3D liquid cooled processors via hotspot separation and thermoelectric cooling," International Journal of Computer Science and Information Technology, vol. 7, no. 2, pp. 53-69, 2015.

4.       E. Song, R. P. Tortorich, T. H. da Costa, and J.-W. Choi, "Inkjet printing of conductive polymer nanowire network on flexible substrates and its application in chemical sensing," Microelectronic Engineering, vol. 145, pp. 143-148, 2015.

5.       E. Song and J.-W. Choi, "Multi-analyte detection of chemical species using a conducting polymer nanowire-based sensor array platform," Sensors and Actuators B, vol. 215, pp. 99-106, 2015.

6.       Y.-H. Shin, J. Z. Barnett, E. Song, M. T. Gutierrez-Wing, K. A. Rusch, and J.-W. Choi, "A portable fluorescent sensor for on-site detection of microalgae," Microelectronic Engineering, vol. 144, pp. 6-11, 2015.

7.       W. Jung, J. Han, J.-W. Choi, and C. H. Ahn, "Point-of-care testing (POCT) diagnostic systems using microfluidic lab-on-a-chip technologies," Microelectronic Engineering, vol. 132. pp. 46-57, 2015.

8.       E. Song and J.-W. Choi, "A selective hydrogen peroxide sensor based on chemiresistive polyaniline nanowires modified with silver catalytic nanoparticles," Journal of Micromechanics and Microengineering, vol. 24, no. 6, 065004 (7pp), 2014.

9.       R. P. Tortorich, E. Song, and J.-W. Choi, "Inkjet-printed carbon nanotube electrodes with low sheet resistance for electrochemical sensor applications," Journal of The Electrochemical Society, vol. 161, no. 2, pp. B3044-B3048, 2014.

10.     C.-X. Liu and J.-W. Choi, "Analyzing resistance response of embedded PDMS and carbon nanotubes composite under tensile strain," Microelectronic Engineering, vol. 114, pp. 1-7, 2014.

11.     E. Song and J.-W. Choi, "Self-calibration of a polyaniline nanowire-based chemiresistive pH sensor: repeatability and hysteresis characterization," Microelectronic Engineering, vol. 116, pp. 26-32, 2014.

12.     E. Song and J.-W. Choi, "Conducting polyaniline nanowire and its applications in chemiresistive sensing," Nanomaterials, vol. 3, pp.498-523, 2013.

13.     R. P. Tortorich and J.-W. Choi, "Inkjet printing of carbon nanotubes," Nanomaterials, vol. 3, issue 3, pp. 453-468, 2013.

14.     C.-X. Liu and J.-W. Choi, "Improved dispersion of carbon nanotubes in polymers at high concentrations," Nanomaterials, vol. 2, issue 4, pp. 329-347, 2012.

15.     T. F. Scherr, C. Quitadamo, P. Tesvich, D. S. Park, T. Tiersch, D. Hayes, J.-W. Choi, K. Nandakumar, and W. T. Monroe, "A planar microfluidic mixer based on logarithmic spirals," Journal of Micromechanics and Microengineering, vol. 22, no. 5, 055019 (10pp), 2012.

16.     C.-X. Liu and J.-W. Choi, "Precision patterning of conductive polymer nanocomposite using a laser-ablated thin film," Journal of Micromechanics and Microengineering, vol. 22, no. 4, 045014 (8pp), 2012.

17.     C.-X. Liu and J.-W. Choi, "Embedding conductive patterns of elastomer nanocomposite with the assist of laser ablation," Microsystem Technologies, vol. 18, no. 3, pp. 365-371, 2012.

18.     A. Abera and J.-W. Choi, "Quantitative lateral flow immunosensor using carbon nanotubes as label," Analytical Methods, vol. 2, no. 11, pp. 1819-1822, 2010.

19.     C.-X. Liu and J.-W. Choi, "Strain-dependent resistance of PDMS and carbon nanotubes composite microstructures," IEEE Transactions on Nanotechnology, vol. 9, no. 5, pp. 590-595, 2010.

20.    C.-X. Liu and J.-W. Choi, "Patterning conductive PDMS nanocomposite in elastomer using microcontact printing," Journal of Micromechanics and Microengineering, vol. 19, no. 8, 085019 (7pp), 2009.

21.     C.-X. Liu, J. Park, and J.-W. Choi, "A planar lens based on electrowetting of two immiscible liquids," Journal of Micromechanics and Microengineering, vol. 18, no. 3, 035023 (7pp), 2008.

22.    W. Sung and J.-W. Choi, "A membraneless microscale fuel cell using non-noble catalysts in alkaline solution," Journal of Power Sources, vol. 172, no. 1, pp. 198-208, 2007.

23.    C.-C. Hong, J.-W. Choi, and C. H. Ahn, "An on-chip air-bursting detonator for driving fluids on disposable lab-on-a-chip systems," Journal of Micromechanics and Microengineering, vol. 17, no. 2, pp. 410-417, 2007.

24.    R. Rong, J.-W. Choi, and C. H. Ahn, "An on-chip magnetic bead separator for biocell sorting," Journal of Micromechanics and Microengineering, vol. 16, no. 12, pp. 2783-2790, 2006.

25.    X. Zhu, C. Gao, J.-W. Choi, P. L. Bishop, and C. H. Ahn, "On-chip generated mercury microelectrode for heavy metal ion detection," Lab on a Chip, vol. 5, issue 2, pp. 212-217, 2005.

26.    X. Zhu, J.-W. Choi, and C. H. Ahn, "A new dynamic electrochemical transduction mechanism for interdigitated array microelectrodes," Lab on a Chip, vol. 4. issue 6, pp. 581-587, 2004.

27.    J. Do, J.-W. Choi, and C. H. Ahn, "Low-cost magnetic interdigitated array on a plastic wafer," IEEE Transactions on Magnetics, vol. 40, no. 4, pp. 3009-3011, July 2004.

28.    C.-C. Hong, J.-W. Choi, and C. H. Ahn, "A novel in-plane passive microfluidic mixer with modified Tesla structures," Lab on a Chip, vol. 4, issue 2, pp. 109-113, 2004.

29.    C. H. Ahn, J.-W. Choi, G. Beaucage, J. H. Nevin, J.-B. Lee, A. Puntambekar, and J. Y. Lee, "Disposable smart lab on a chip for point-of-care clinical diagnostics," Proceedings of the IEEE, vol. 92, no. 1, pp. 154-173, 2004.

30.    C.-C. Hong, S. Murugesan, S. Kim, G. Beaucage, J.-W. Choi, C. H. Ahn, "A functional on-chip pressure generator using solid chemical propellant for disposable lab-on-a-chip," Lab on a Chip, vol. 3, issue 4, pp. 281-286, 2003.

31.     J.-W. Choi and C. H. Ahn, "Magnetic separation in lab-on-a-chip systems for biotechnology applications," Business Briefing: Future Drug Discovery, June 2003, pp. 56-58, 2003.

32.    A. Puntambekar, J.-W. Choi, C. H. Ahn, S. Kim, and V. B. Makhijani, "Fixed-volume metering microdispenser module," Lab on a Chip, vol. 2, issue 4, pp. 213-218, 2002.

33.    J.-W. Choi and C. H. Ahn, "Magnetic bead-based immunoassay on a microfluidic lab-on-a-chip," The Magazine of the IEEK (Institute of Electronics Engineers of Korea), vol. 29, no. 3, pp. 41-48, 2002.

34.    J.-W. Choi, K. W. Oh, J. H. Thomas, W. R. Heineman, H. B. Halsall, J. H. Nevin, A. J. Helmicki, H. T. Henderson, and C. H. Ahn, "An integrated microfluidic biochemical detection system for protein analysis with magnetic bead-based sampling capabilities," Lab on a Chip, vol. 2, issue 1, pp. 27-30, 2002.

35.    W. R. Heineman, J. H. Thomas, A. Wijayawardhana, H. B. Halsall, T. H. Ridgway, J.-W. Choi, K. W. Oh, C. H. Ahn, S. Dharmatilleke, P. Medis, and T. H. Henderson, "BioMEMS: Electrochemical immunoassay with microfluidic systems," Analytical Sciences, vol. 17, pp. i281-i284, 2001.

36.    J.-W. Choi, K. W. Oh, A. Han, N. Okulan, C. A. Wijayawardhana, C. Lannes, S. Bhansali, K. T. Schlueter, W. R. Heineman, H. B. Halsall, J. H. Nevin, A. J. Helmicki, H. T. Henderson, and C. H. Ahn, "Development and characterization of microfluidic devices and systems for magnetic bead-based biochemical detection," Biomedical Microdevices, vol. 3, no. 3, pp. 191-200, 2001.

37.    J.-W. Choi, T. M. Liakopoulos, and C. H. Ahn, "An on-chip magnetic bead separator using spiral electromagnets with semi-encapsulated permalloy," Biosensors and Bioelectronics, vol. 16, no. 6, pp. 409-416, 2001.

38.    J.-W. Choi, C. H. Ahn, S. Bhansali, and H. T. Henderson, "A new magnetic bead-based, filterless bio-separator with planar electromagnet surfaces for integrated bio-detection systems," Sensors and Actuators B, vol. 68, pp. 34-39, 2000.

39.    S. H. Lim, Y. S. Choi, H. J. Kim, J.-W. Choi, and C. H. Ahn, "Prototype microactuators driven by magnetostrictive thin films," IEEE Transactions on Magnetics, vol. 34, no. 4, pp. 2042-2044, 1998.

40.    J.-W. Choi and Y.-K. Kim, "Fabrication and experiment of novel type electrohydrodynamic micropump," Transaction of IEEJ (Institute of Electrical Engineers of Japan), vol.117-E, no.3, pp. 170-174, 1997.

41.     J.-W. Choi and Y.-K. Kim, "Electrohydrodynamic micropump driven by traveling electric fields," Journal of Electrical Engineering and Information Science, vol. 2, no. 3, pp. 99-104, 1997.

 

Book Chapters

42.    C. H. Ahn and J.-W. Choi, "Microfluidic devices and their applications to lab-on-a-chip," in Handbook of Nanotechnology, 3rd Edition, B. Bhushan, Ed., Springer-Verlag GmbH & Co. KG, Heidelberg, Germany, 2010, pp. 503-530.

43.    C. H. Ahn and J.-W. Choi, "Microfluidics and their applications to lab-on-a-chip," in Handbook of Nanotechnology, 2nd Edition, B. Bhushan, Ed., Springer-Verlag GmbH & Co. KG, Heidelberg, Germany, 2007, pp. 523-548.

44.    J.-W. Choi, "Fabrication of micromachined magnetic particle separators for bioseparation in microfluidic systems," in Microfluidic Techniques: Reviews and Protocols, S. D. Minteer, Ed., Humana Press, Totowa, New Jersey, 2006, pp. 65-81.

45.    C. H. Ahn, J.-W. Choi, and H. J. Cho, "Nanomagnetics for biomedical applications," in Encyclopedia of Nanoscience and Nanotechnology, H. S. Nalwa, Ed., Volume 6, American Scientific Publishers, Stevenson Ranch, California, 2004, pp. 815-821.

46.    C. H. Ahn and J.-W. Choi, "Microfluidics and their applications to lab-on-a-chip," in Handbook of Nanotechnology, B. Bhushan, Ed., Springer-Verlag GmbH & Co. KG, Heidelberg, Germany, 2004, pp. 253-278.

 

Conference Manuscripts

47.    E. Song, R. P. Tortorich, T. H. da Costa, and J.-W. Choi, "Printing conductive polymer nanowire network and its application in chemical sensing," in Proceedings of the 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (Micro-TAS 2014), San Antonio, TX, October 26-30, 2014, pp. 2175-2177.

48.    (Invited) R. P. Tortorich, T. H. da Costa, E. Song, and J.-W. Choi, "A printed carbon nanotube sensor on a flexible substrate," in Transactions of The Electrochemical Society, The 226th Electrochemical Society Meeting, vol. 64, no. 1, Cancun, Mexico, October 5-10, 2014, pp. 175-179.

49.    (Keynote) R. P. Tortorich and J.-W. Choi, "Printing nanotube/nanowire for flexible microsystems," in Proceedings of SPIE, vol. 9060, San Diego, CA, March 10-13, 2014, 90600Y (7pp).

50.    Y. Hu, S. Chen, L. Peng, E. Song, and J.-W. Choi, "Effective thermal control techniques for liquid-cooled 3D processors," in Proceedings of the International Symposium on Quality Electronic Design (ISQED) 2013, Santa Clara, CA, March 4-6, 2013, pp. 8-15.

51.     E. Song and J.-W. Choi, "An on-chip chemiresistive polyaniline nanowire-based pH sensor with self-calibration capability," in Proceedings of the 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE EMBC 2012), San Diego, CA, August 28 – September 1, 2012, pp. 4018-4021.

52.    T. F. Scherr, C. Quitadamo, P. Tesvich, D. S. Park, T. Tiersch, D. Hayes, J.-W. Choi, K. Nandakumar, and W. T. Monroe, "A planar micromixer based on sequential logarithmic spirals," in Proceedings of the ASME 2012 Summer Bioengineering Conference (SBC 2012), Fajardo, Puerto Rico, June 20-23, 2012, SBC2012-80545 (2pp).

53.    C.-X. Liu and J.-W. Choi, "An ultra-sensitive nanocomposite pressure sensor patterned in a PDMS diaphragm," in Technical Digest of the 16th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2011), Beijing, China, June 5-9, 2011, pp. 2594-2597.

54.    A. Abera and J.-W. Choi, "Chemically functionalized carbon nanotube label for immunoassay," in Materials Research Society (MRS) Symposium Proceedings, vol. 1301, 2011, pp. 273-278.

55.    E. Song and J.-W. Choi, "A patterned conducting polyaniline layer on a non-conducting polymer matrix," in Materials Research Society (MRS) Symposium Proceedings, vol. 1312, 2011, pp. 99-103.

56.    C. Maltbie, I. Papautsky, S. van den Hoogenhof, D. Eddington, B. Gale, J.-W. Choi, and G. Walker, "Expanding the Introduction of microfluidics through a problem-based laboratory course to multiple engineering disciplines at five universities," in Proceedings of the 40th ASME/IEEE Frontiers in Education Conference, Washington, DC, October 27-30, 2010, S2F (6pp).

57.    C.-X. Liu and J.-W. Choi, "An embedded PDMS nanocomposite strain sensor toward biomedical applications," in Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE EMBC 2009), Minneapolis, MN, September 2-6, 2009, pp. 6391-6394.

58.    A. Abera and J.-W. Choi, "Carbon nanotube labeled immunosensor for lateral flow diagnostics," in Technical Digest of the 15th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2009), Denver, CO, June 21-25, 2009, pp. 971-974.

59.    C.-X. Liu and J.-W. Choi, "Conductive and flexible nanocomposite patterns embedded in elastomer using microcontact printing and cast molding," in Proceedings of the 12th International Conference on Miniaturized Systems for Chemistry and Life Sciences (Micro-TAS 2008), vol. 2, San Diego, CA, October 12-16, 2008, pp. 1645-1647.

60.    J. Park, C.-X. Liu, and J.-W. Choi, "A planar liquid lens design based on electrowetting," in Proceeding of IEEE Sensors 2007, Atlanta, GA, October 28-31, 2007, pp. 439-442.

61.     N. S. Korivi and J.-W. Choi, "Microscale glucose biofuel cell with metallic catalyst on cathode," in Proceedings of Micro Total Analysis Systems (Micro-TAS 2005), Boston, MA, October 9-13, 2005, pp. 939-941.

62.    J.-W. Choi and W. Sung, "A planar and membraneless microscale fuel cell using nickel and silver as catalysts," in Technical Digest of the 13th International Conference on Solid-State Sensors, Actuators, and Microsystems (Transducers 2005), vol. 2, Seoul, Korea, June 5-9, 2005, pp. 1852-1855.

63.    N. S. Korivi and J.-W. Choi, "A microfabricated narrow gap biofuel cell with membraneless design flexibility," in Technical Digest of the 13th International Conference on Solid-State Sensors, Actuators, and Microsystems (Transducers 2005), vol. 1, Seoul, Korea, June 5-9, 2005, pp. 287-290.

64.    N. S. Korivi and J.-W. Choi, "In-line monitoring of magnetic microparticles using GMR sensors in microfluidic systems," in Proceedings of SPIE Microfluidics, BioMEMS, and Medical Microsystems III, vol. 5718, San Jose, CA, January 24-26, 2005, pp. 151-158.

65.    N. S. Korivi and J.-W. Choi, "A giant magnetoresistive (GMR) sensor array for microfluidic magnetocytometry," in Proceedings of the 8th International Conference on Micro Total Analysis Systems (Micro-TAS 2004), Malmo, Sweden, September 26-30, 2004, pp. 521-523.

66.    M. Dutta, S. Chilukuru, L. Ramasamy, X. Zhu, J. Do, C. Gao, C.-C. Hong, A. Puntambekar, J. Han, S. H. Lee, R. Trichur, J.-W. Choi, J. H. Nevin, and C. H. Ahn, "Multi-analyte detection handheld analyzer for point-of-care application with disposable biochips," in Proceedings of IEEE Sensors, Toronto, Canada, October 22-24, 2003, pp. 617-621.

67.    A. Puntambekar, C. Hong, C. Gao, X. Zhu, R. Trichur, J. Han, S. H. Lee, J. Kai, J. Do, R. Rong, S. Chilukuru, M. Dutta, L. Ramasamy, S. Murugesan, R. Cole, J. Nevin, G. Beaucage, J. B. Lee, J. Y. Lee, M. Bissell, J.-W. Choi, and C. H. Ahn, "Smart disposable plastic lab-on-a-chip for point-of-care-testing (POCT)," in Proceedings of the 7th International Conference on Micro Total Analysis Systems (Micro-TAS 2003), Squaw Valley, CA, October 5-9, 2003, pp.1291-1294.

68.    J. Han, S. H. Lee, A. Puntambekar, S. Murugesan, J.-W. Choi, G. Beaucage, and C. H. Ahn, "UV adhesive bonding techniques at room temperature for plastic lab-on-a-chip," in Proceedings of the 7th International Conference on Micro Total Analysis Systems (Micro-TAS 2003), Squaw Valley, CA, October 5-9, 2003, pp.1113-1116.

69.    X. Zhu, C. Gao, J. Kai, J. Do, J.-W. Choi, and C. H. Ahn, "A novel dynamic electrochemical transduction mechanism for low concentration analyte detection," in Proceedings of the 7th International Conference on Micro Total Analysis Systems (Micro-TAS 2003), Squaw Valley, CA, October 5-9, 2003, pp. 801-804.

70.    C. Gao, X. Zhu, M. Dutta, S. Chilukuru, J. H. Nevin, J.-W. Choi, and C. H. Ahn, "Development of inexpensive biosensor array for point-of-care testing," in Proceedings of the 7th International Conference on Micro Total Analysis Systems (Micro-TAS 2003), Squaw Valley, CA, October 5-9, 2003, pp. 797-800.

71.     R. Rong, J.-W. Choi, and C. H. Ahn, "A novel magnetic chaotic mixer for in-flow mixing of magnetic beads,"  in Proceedings of the 7th International Conference on Micro Total Analysis Systems (Micro-TAS 2003), Squaw Valley, CA, October 5-9, 2003, pp. 335-338.

72.    C. Gao, X. Zhu, J.-W. Choi, and C. H. Ahn, "A disposable polymer field effect transistor (FET) for pH measurement," in Technical Digest of the 12th International Conference on Solid-State Sensors and Actuators (Transducers '03), Boston, MA, June 8-12, 2003, pp. 1172-1175.

73.    X. Zhu, C. Gao, J.-W. Choi, P. L. Bishop, and C. H. Ahn, "Mercury droplet microelectrode sensor on lab-on-a-chip for heavy metal ion detection," in Technical Digest of the 12th International Conference on Solid-State Sensors and Actuators (Transducers '03), Boston, MA, June 8-12, 2003, pp. 61-64.

74.    R. Rong, J.-W. Choi, and C. H. Ahn, "A functional magnetic bead or biocell sorter using fully integrated magnetic micro/nano tips," in Proceedings of the 16th IEEE MEMS Workshop (MEMS '03), Kyoto, Japan, January 19-23, 2003, pp. 530-533.

75.    J.-W. Choi, A. Puntambekar, C.-C. Hong, C. Gao, X. Zhu, R. Trichur, J. Han, S. Chilukuru, M. Dutta, S. Murugesan, S. Kim, Y.-S. Sohn, J. H. Nevin, G. Beaucage, J.-B. Lee, J. Y. Lee, M. G. Bissell, and C. H. Ahn, "A disposable plastic biochip cartridge with on-chip power sources for blood analysis," in Proceedings of the 16th IEEE MEMS Workshop (MEMS '03), Kyoto, Japan, January 19-23, 2003, pp. 447-450.

76.    C.-C. Hong, S. Murugesan, S. Kim, G. Beaucage, J.-W. Choi, and C. H. Ahn, "A functional on-chip pressure generator using solid chemical propellant for disposable lab-on-a-chip," in Proceedings of the 16th IEEE MEMS Workshop (MEMS '03), Kyoto, Japan, January 19-23, 2003, pp. 16-19.

77.    C. Gao, H. L. R. Rilo, J.-W. Choi, and C. H. Ahn, "A microfluidic biosystem for metabolic monitoring of human islet cells with integrated biosensors," in Proceedings of the 6th International Conference on Micro Total Analysis Systems (Micro-TAS 2002), Nara, Japan, November 3-7, 2002, pp. 787-789. 

78.    R. Trichur, S. Kim, X. Zhu, J. W. Suk, C.-C. Hong, J.-W. Choi, and C. H. Ahn, "Development of plastic microneedles for transdermal interfacing using injection molding techniques," in Proceedings of the 6th International Conference on Micro Total Analysis Systems (Micro-TAS 2002), Nara, Japan, November 3-7, 2002, pp. 395-397.

79.    J.-W. Choi, J. Do, and C. H. Ahn, "Hybrid type on-chip magnetic particle separators for accurate positioning magnetic beads," in Proceedings of the 6th International Conference on Micro Total Analysis Systems (Micro-TAS 2002), Nara, Japan, November 3-7, 2002, pp. 329-331.

80.    C.-C. Hong, J.-W. Choi, and C. H. Ahn, "A disposable on-chip air detonator for driving fluids on point-of-care systems," in Proceedings of the 6th International Conference on Micro Total Analysis Systems (Micro-TAS 2002), Nara, Japan, November 3-7, 2002, pp. 949-951.

81.     C. H. Ahn, J.-W. Choi, A. Puntambekar, C.-C. Hong, X. Zhu, C. Gao, R. Trichur, S. Chilukuru, M. Dutta, S. Murugesan, S. Kim, Y.-S. Sohn, J. H. Nevin, G. Beaucage, J.-B. Lee, J. Y. Lee, and M. G. Bissell, "Disposable biochip cartridge for clinical diagnostics toward point-of-care systems," in Proceedings of the 6th International Conference on Micro Total Analysis Systems (Micro-TAS 2002), Nara, Japan, November 3-7, 2002, pp.187-189.

82.    A. Puntambekar, S. Murugesan, R. Trichur, H. J. Cho, S. Kim, J.-W. Choi, G. Beaucage, and C. H. Ahn, "Effect of surface modification on thermo-plastic fusion bonding for 3-D microfluidics," in Proceedings of the 6th International Conference on Micro Total Analysis Systems (Micro-TAS 2002), Nara, Japan, November 3-7, 2002, pp. 425-427.

83.    A. Puntambekar, R. Trichur, J.-W. Choi, and C. H. Ahn, "3-D microfluidic networks for combinatorial chemistry," in Proceedings of the 6th International Conference on Micro Total Analysis Systems (Micro-TAS 2002), Nara, Japan, November 3-7, 2002, pp. 422-424.

84.    C. Gao, J.-W. Choi, M. Dutta, S. Chilukuru, J. H. Nevin, J. Y. Lee, M. G. Bissell, and C. H. Ahn, "A fully integrated biosensor array for measurement of metabolic parameters in human blood," in Proceedings of the 2nd Second Annual International IEEE-EMBS Special Topic Conference on Microtechnologies in Medicine & Biology, Madison, WI, May 2-4, 2002, pp. 223-226.

85.    S. Krishnamoorthy, J. J. Feng, V. B. Makhijani, C. Gao, J.-W. Choi, and C. H. Ahn, "Analysis of physico-chemical processes in an amperometric oxygen biosensor," in Technical Proceedings of the 2002 International Conference on Modeling and Simulation of Microsystems (Nanotech 2002), Vol. 1, San Juan, Puerto Rico, April 21-25, 2002, pp. 76-79.

86.    C. H. Ahn, J.-W. Choi, S. Kim, Y.-S. Sohn, A. Puntambekar, S. Murugesan, G. Beaucage, and J. H. Nevin, "Disposable smart plastic biochips for clinical diagnostics," in Proceedings of Materials Research Society Symposium, vol. 729, San Francisco, CA April 1-3, 2002, pp. 29-38.

87.    C.-C. Hong, J.-W. Choi, and C. H. Ahn, "Disposable air-bursting detonator as an alternative on-chip power source," in Proceedings of the 15th IEEE MEMS Workshop (MEMS '02), Las Vegas, NV, January 20-24, 2002, pp. 240-243.

88.    X. Zhu, J.-W. Choi, R. L. Cole, and C. H. Ahn, "A new laser micromachining technique using a mixed-mode ablation approach," in Proceedings of the 15th IEEE MEMS Workshop (MEMS '02), Las Vegas, NV, January 20-24, 2002, pp. 152-155.

89.    C. H. Ahn, J.-W. Choi, S. Kim, and Y.-S. Sohn, "Disposable smart microfluidic-based biochips for clinical diagnostics," in Symposium Proceedings of 2001 International Semiconductor Device Research Symposium (ISDRC '01), Washington, DC, December 5-7, 2001, pp. 427-429.

90.    J.-W. Choi, C.-C. Hong, and C. H. Ahn, "An active electrokinetic micromixer," in Proceedings of the 5th International Conference on Micro Total Analysis Systems (Micro-TAS 2001), Monterey, CA, October 21-25, 2001, pp. 621-622.

91.     T. R. Butt, H. Tran, J.-W. Choi, H. J. Cho, and C. H. Ahn, "A disposable cell-based biochip for detection of hormones and drugs," in Proceedings of the 5th International Conference on Micro Total Analysis Systems (Micro-TAS 2001), Monterey, CA, October 21-25, 2001, pp. 83-84.

92.    A. Puntambekar, J.-W. Choi, C. H. Ahn, S. Kim, S. Bayyuk, and V. B. Makhijani, "An air-driven fluidic multiplexer integrated with microdispensers," in Proceedings of the 5th International Conference on Micro Total Analysis Systems (Micro-TAS 2001), Monterey, CA, October 21-25, 2001, pp.78-80.

93.    C.-C. Hong, J.-W. Choi, and C. H. Ahn, "A novel in-plane passive micromixer using Coanda effect," in Proceedings of the 5th International Conference on Micro Total Analysis Systems (Micro-TAS 2001), Monterey, CA, October 21-25, 2001, pp. 31-33.

94.    J.-W. Choi, S. Kim, R. Trichur, H. J. Cho, A. Puntambekar, R. L. Cole, J. R. Simkins, S. Murugesan, K. S. Kim, J. B. Lee, G. Beaucage, J. H. Nevin, and C. H. Ahn, "A plastic micro injection molding technique using replaceable mold-disks for disposable microfluidic systems and biochips," in Proceedings of the 5th International Conference on Micro Total Analysis Systems (Micro-TAS 2001), Monterey, CA, October 21-25, 2001, pp. 411-412.

95.    A. Puntambekar, H. J. Cho, C.-C. Hong, J.-W. Choi, C. H. Ahn, S. Kim, and V. B. Makhijani, "A new fixed-volume metering microdispenser module based on sPROMs technology," in Technical Digest of the 11th International Conference on Solid-State Sensors and Actuators (Transducers '01), Munich, Germany, June 10-14, 2001, pp. 1240-1243.

96.    J.-W. Choi, K. W. Oh, J. H. Thomas, W. R. Heineman, H. B. Halsall, J. H. Nevin, A. J. Helmicki, H. T. Henderson, and C. H. Ahn, "An integrate microfluidic biochemical detection system with magnetic bead-based sampling and analysis capabilities," in Proceedings of the 14th IEEE MEMS Workshop (MEMS '01), Interlaken, Switzerland, January 21-25, 2001, pp. 447-450.

97.    J.-W. Choi and C. H. Ahn, "Active microfluidic mixer for mixing of microparticles and liquids," in Proceedings of SPIE Conference on Microfluidic Devices and Systems III, vol. 4177, Santa Clara, CA, September 18-19, 2000, pp. 154-161.

98.    J.-W. Choi and C. H. Ahn, "An active micro mixer using electrohydrodynamic (EHD) convection," in Technical Digest of Solid-State Sensor and Actuator Workshop 2000, Hilton Head Island, SC, June 4-8, 2000, pp. 52-55.

99.    J.-W. Choi, C. A. Wijayawardhana, N. Okulan, K. W. Oh, A. Han, S. Bhansali, V. Govind, K. T. Schlueter, J. H. Nevin, A. J. Helmicki, W. R. Heineman, H. B. Halsall, H. T. Henderson, and C. H. Ahn, "Development of a generic microfluidic subsystem toward portable biochemical detection systems," in Proceedings of the 4th International Conference on Micro-Total Analysis Systems (Micro-TAS 2000), Enschede, Netherlands, May 14-18, 2000, pp. 327-330.

100.  N. Okulan, S. Bhansali, A. Han, S. Dharmatilleke, J.-W. Choi, M. Patel, K. W. Oh, H. T. Henderson, and C. H. Ahn, "Development of planar microfluidic systems using conventional and low temperature assembling schemes for components," in Proceedings of the 1999 ASME International Mechanical Engineering Conference and Exposition (IMECE '99), MEMS-vol. 1, Nashville, TN, November 14-19, 1999, pp. 259-264.

101.  J.-W. Choi, S. Bhansali, C. H. Ahn, and H. T. Henderson, "A novel magnetic bead-based filterless bio-separator with planar electromagnet surfaces," in Proceedings of the 13th European Conference on Solid-State Transducers, The Hague, Netherlands, September 12-15, 1999, pp. 713-716.

102.  J.-W. Choi, C. H. Ahn, and H. T. Henderson, "Planar bio/magnetic bead separator with microfluidic channel," in Proceedings of SPIE Conference on Microfluidic Devices and Systems, vol. 3515, Santa Clara, CA, September 20-22, 1998, pp. 260-267.

103.  J.-W. Choi, Y. Ding, C. H. Ahn, H. B. Halsall, and W. R. Heineman, "A microchip electrochemical immunosensor fabricated using micromachining techniques," in Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS '97), Chicago, IL, October 30 - November 2, 1997, pp. 2264-2266.

104.  T. M. Liakopoulos, J.-W. Choi, and C. H. Ahn, "A bio-magnetic bead separator on glass chips using semi-encapsulated spiral electromagnets," in Technical Digest of the 9th  International Conference on Solid-State Sensors and Actuators (Transducers '97), Chicago, IL, June 16-19, 1997, pp. 485-488.

105.  J.-W. Choi and Y.-K. Kim, "Fabrication and experiment of novel type electrohydrodynamic micropump," in Technical Digest of the 14th Sensor Symposium, Kawasaki, Japan, June 4-5, 1996, pp. 267-270.

106.  J.-W. Choi and Y.-K. Kim, "Micro electrohydrodynamic pump driven by traveling electric fields," in Proceedings of IEEE Industrial Application Society Annual Meeting (IEEE IAS '95), vol. 2, Orlando, FL, October 8-12, 1995, pp. 1480-1484.

 

Conference Abstracts

107.  H. Shamkhalichenar and J.-W. Choi, "A paper-based electrochemical sensor array for detection of hydrogen peroxide," The 229th Electrochemical Society Meeting, San Diego, CA, May 29 – June 2, 2016.

108.  Y.-H. Shin, J. Z. Barnett, M. T. Gutierrez-Wing, K. A. Rusch, and J.-W. Choi, "An LED­based fluorescent sensing system for on­site microalgal detection," The 229th Electrochemical Society Meeting, San Diego, CA, May 29 – June 2, 2016.

109.  A. Parodi, L. C. Boswell, and J.-W. Choi, "A Primitive neurostimulator demonstrated with frog sciatic nerve and gastrocnemius muscle," 2015 Biomedical Engineering Society Annual Meeting (BMES 2015), Tampa, FL, October 7-10, 2015.

110.  J. Z. Barnett, Y.-H. Shin, K. A. Rusch, J.-W. Choi, and M. T. Gutierrez-Wing, "Effects of light quality on the biomass, pigment and lipid productivity of a Chlorella vulgaris/Leptolyngbya sp. co-culture," 2015 Algae Biomass Summit, Washington, DC, September 29 – October 2, 2015.

111.   T. H. da Costa and J.-W. Choi, "A dopamine sensor on paper with printed carbon nanotube electrodes," The 41st International Conference on Micro and Nano Engineering (MNE 2015), The Hague, Netherlands, September 21-24, 2015.

112.  A. Parodi and J.-W. Choi, "Characterization of a capacitor-based neurostimulator with a flexible waveform design," The 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE EMBC 2015), Milan, Italy, August 25-29, 2015.

113.  (Invited) E. Song and J.-W. Choi, "Multi-analyte chemical detection using conducting polymers," US-Korean Conference on Science, Technology, and Entrepreneurship 2015 (UKC2015), Atlanta, GA, July 29 – August 1, 2015.

114.  (Invited) E. Song and J.-W. Choi, "A chemiresistive glucose sensor based on polyaniline nanowire network," The 227th Electrochemical Society Meeting, Chicago, IL, May 24-28, 2015.

115.  T. H. da Costa, R. P. Tortorich, E. Song, and J.-W. Choi, "A fully inkjet­printed carbon nanotube electrochemical sensor on paper," The 227th Electrochemical Society Meeting, Chicago, IL, May 24-28, 2015.

116.  J. Z. Barnett, K. A. Rusch, J.-W. Choi, and M. T. Gutierrez-Wing, "Effects of light quality and light quantity on a Louisiana microalgae/cyanobacteria co-culture," Aquaculture America 2015, New Orleans, LA, Feb 19-22, 2015.

117.  J.-W. Choi, "Flexible and printed nanotube and nanowire sensors," 2014 Nanotechnology for Defense Conference (NT4D 2014), Chantilly, VA, November 17-20, 2014.

118.  M. T. Holley, E. Song, A. Moll, W. T. Monroe, D. J. Hayes, J.-W. Choi, and K. Park, "Measurement of cell traction force with a thin PDMS cantilever," 2014 Biomedical Engineering Society Annual Meeting (BMES 2014), San Antonio, TX, October 22-25, 2014.

119.  E. F. Austin, Y.-H. Shin, W. Wang, and J.-W. Choi, "Design of a 3-D printed exoskeleton glove to passively move a paralyzed hand," 2014 Biomedical Engineering Society Annual Meeting (BMES 2014), San Antonio, TX, October 22-25, 2014.

120.  A. Parodi and J.-W. Choi, "Implementation of primitive neural stimulator with simulated post-synaptic and action potentials," 2014 Biomedical Engineering Society Annual Meeting (BMES 2014), San Antonio, TX, October 22-25, 2014.

121.  Y.-H. Shin, J. Z. Barnett, E. Song, M. T. Gutierrez-Wing, K. A. Rusch, and J.-W. Choi, "A handheld fluorescent sensor for on-site detection of microalage," The 40th International Conference on Micro and Nano Engineering (MNE 2014), Lausanne, Switzerland, September 22-26, 2014.

122.  E. Song and J.-W. Choi, "Selective multi-analyte detection using polyaniline nanowire-based chemiresistive sensors," The 40th International Conference on Micro and Nano Engineering (MNE 2014), Lausanne, Switzerland, September 22-26, 2014.

123.  E. Song, R. P. Tortorich, and J.-W. Choi, "Inkjet printed conducting polymer nanowires for flexible sensors," The 40th International Conference on Micro and Nano Engineering (MNE 2014), Lausanne, Switzerland, September 22-26, 2014.

124.  T. H. da Costa and J.-W. Choi, "A flexible force sensor using printed carbon nanotubes on PDMS by transfer patterning," The 40th International Conference on Micro and Nano Engineering (MNE 2014), Lausanne, Switzerland, September 22-26, 2014.

125.  J.-W. Choi, "Carbon nanotube composite patterns for flexible and ultrasensitive pressure sensing," 2013 Nanotechnology for Defense Conference (NT4D 2013), Tucson, AZ, November 4-7, 2013.

126.  (Invited) R. P. Tortorich, E. Song, and J.-W. Choi, "Inkjet-printed carbon nanotube electrodes for electrochemical sensor applications," The 224th Electrochemical Society Meeting, San Francisco, CA, October 27 - November 1, 2013.

127.  E. Song and J.-W. Choi, "A polyaniline nanowire network with catalytic nanoparticles for chemical sensing," The 224th Electrochemical Society Meeting, San Francisco, CA, October 27 - November 1, 2013.

128.  J.-W. Choi and E. Song, "A self-calibrating polymer nanowire-based chemical sensor," 2012 Nanotechnology for Defense Conference (NT4D 2012), Summerlin, NV, August 6-9, 2012.

129.  C-.X. Liu and J.-W. Choi, "Micropatterned elastomer nanocomposite for sensor applications," 2012 International Conference on Electronics, Information and Communication (ICEIC 2012), Jeongseon, Korea, February 1-3, 2012.

130.  E. Song and J.-W. Choi, "pH responsive polyaniline nanowires and its sensitivity on electrochemical potentials," 2012 International Conference on Electronics, Information and Communication (ICEIC 2012), Jeongseon, Korea, February 1-3, 2012.

131.  (Invited) J.-W. Choi, "Minimally instrumented point-of-care biochip," Circuits and Systems for Medical and Environmental Applications (CaSME 2012), Merida, Yucatan, Mexico, January 9-10, 2012.

132.  C.-X. Liu and J.-W. Choi, "Microfabrication of conductive polymer nanocomposite for novel sensor applications," 2011 Sigma Xi Annual Meeting and International Research Conference, Raleigh, NC, November 10-13, 2011.

133.  C.-X. Liu and J.-W. Choi, "Patterning of elastomer nanocomposite via laser ablation for sensor," 2010 Materials Research Society (MRS) Fall Meeting, Boston, MA, November 29 - December 3, 2010.

134.  J.-W. Choi, A. Abera, and F. Liu, "Minimally instrumented biological detection using carbon nanotubes and autonomous sample delivery," 2010 Chemical and Biological Defense Science and Technology (CBD S&T) Conference, Orlando, FL, November 15-19, 2010.

135.  J.-W. Choi and C.-X. Liu, "A polymer nanocomposite microstructure for strain and pressure sensing," in Proceedings of Nanoelectronic Devices for Defense & Security Conference (Nano-DDS 2009), Fort Lauderdale, FL, September 28 - October 2, 2009.

136.  J. Park and J.-W. Choi, "An electroactive polymer membrane for microactuation," The 7th Louisiana Materials and Emerging Technologies Conference, Baton Rouge, LA, October 23-24, 2006.

137.  J.-W. Choi and N. S. Korivi, "A microscale glucose biofuel cell using reconstituted glucose oxidase on anode and activated palladium on cathode," The 208th Electrochemical Society (ECS) Meeting, Los Angeles, CA, October 16-21, 2005.

138.  C. Gao, J.-W. Choi, and C. H. Ahn, "A novel glucose biosensor with gel-based solid electrolyte and microheater structure for rapid detection," The 7th World Congress on Biosensors, Kyoto, Japan, May 15-17, 2002.

139.  C. H. Ahn, J.-W. Choi, S. Kim, Y.-S. Sohn, A. Puntambeker, S. Murugesan, G. Beaucage, and J. H. Nevin, "Disposable smart plastic biochips for clinical diagnostics," BioMEMS Conference, Material Research Society (MRS), San Francisco, CA, April 1-3, 2002.

140.  J.-W. Choi and C. H. Ahn, "A magnetic particle separator using permalloy microstructures and external electromagnets," The 8th Intermag-MMM Joint Conference, San Antonio, TX, January 7-11, 2001.

141.  C. H. Ahn, H. T. Henderson, W. R. Heineman, H. B. Halsall, J. H. Nevin, A. J. Helmicki, and J.-W. Choi, "An integrated microfluidic biochemical detection system using magnetic beads," IBC's Annual International Microtechnology Event: Chips to Hits 2000, Philadelphia, PA, November 6-9, 2000.

142.  C. A. Wijayawardhana, W. R. Heineman, H. B. Halsall, C. H. Ahn, T. Henderson, J. H. Nevin, T. Ridgway, C. Lannes, K. Schlueter, J.-W. Choi, S. Bhansali, "A fully automated electrochemical immunosensor system using microfabricated parts," Biosensors 2000 (Sixth World Congress in Biosensors), San Diego, CA, May 24-26, 2000.

143.  W. R. Heineman, C. A. Wijayawardhana, H.B. Halsall, M. Cousino, S. Purushothama, S. Kradtap, K. Schlueter, T.H. Ridgway, J.-W. Choi, S. Bhansali, C. H. Ahn, H. T. Henderson, C. Lannes, J. H. Nevin, "Immunoassay with magnetic beads and electrochemical detection," Symposium on Electroorganic and Electroanalytical Aspects of Environmental Chemistry, Electrochemical Society Meeting, Honolulu, HI, October 17-22, 1999.

144.  W. R. Heineman, H. B. Halsall, T. H. Ridgway, M. Cousino, A. Wijayawardhana, S. Purushothama, S. Kradtap, J.-W. Choi, C. Lannes, J. Nevin, C. Ahn, T. Henderson, "Immunoassay with novel electrochemical detection methods," The 218th American Chemical Society (ACS) Meeting, New Orleans, LA, August 22-26, 1999.

145.  W. R. Heineman, H. B. Halsall, M. Cousino, C. A. Wijayawardhana, S. Purushothama, S. Kradtap, K. Schlueter, J.-W.Choi, C. H. Ahn, and H. T. Henderson, "Electrochemical immunoassay with microfluidic systems," PITTCON '99, Orlando, FL, March 7-12, 1999.

146.  W. R. Heineman, H. B. Halsall, M. Cousino, C. A. Wijayawardhana, S. Purushothama, Y. Ding. L. Zhou, J.-W. Choi, C. H. Ahn, H. T. Henderson, G. Wittstock, "Electrochemical immunosensors based on MEMS technology," Immunochemistry Summit VII & Third Workshop on Biosensors & Biological Techniques in Environmental Analysis, Las Vegas, NV, December 1-3, 1998.