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PhD Thesis Advised

 

  1. Yiwen Xi, “Tribological Effects of Micro/Nano Texturing in Biomimetic Aqueous Environments”, PhD Thesis, 2024.
  2. Ridvan Ozbay, “Bubble Adhesion and Dynamics on Aerophilic, Aerophobic, and Superaerophobic Surfaces”, PhD Thesis, 2018.
  3. Youhua Jiang, “Droplet Retention on Superhydrophobic Surfaces: Fundamentals and Applications”, PhD Thesis, 2018.
  4. Ferdi Hizal, “Nanoengineering of Metal Surfaces for Prevention of Bacterial Adhesion”, PhD Thesis, 2017.
  5. Mohammad Amin Sarshar, “Icephobic Properties of Superhydrophobic Surfaces”, PhD Thesis, 2016.
  6. Ishan Wathuthanthri, “Laser Interference Lithography for Large-Area Patterning and the Fabrication of Functional Nanostructures”, PhD Thesis, 2015.
  7. Ke Du, “Nanofabrication via Interference Lithography: From Patterning to Pattern Transfer”, PhD Thesis, 2015.
  8. Chanyoung Jeong, “Nano-Engineering of Superhydrophobic Aluminum Surfaces for Anti-Corrosion”, PhD Thesis, 2013.
  9. Wei Xu, “Droplet Evaporation on Superhydrophobic Surfaces: Fundamentals and Application for Nanomaterials Assembly”, PhD Thesis, 2012.

 

MS Thesis Advised

 

1.       Shuai Yu, “Fabrication and Characterization of Nano-Patterned pHEMA Hydrogels for Potential Tissue Engineering Applications”, MS Thesis, 2023.

2.       Yang He, “Fabrication of Hierarchical Micro- and Nanostructures via the Manipulation of Optical Effects”, MS Thesis, 2016.

3.       Lile Cao, “Effects of Surface Patterns on Depinning Force of a Droplet on Superhydrophobic Surfaces in Inclination”, MS Thesis, 2016.

4.       Zongqi Guo, “Effects of Microparticles on Depinning Force of Evaporating Droplets on Superhydrophobic Surfaces”, MS Thesis, 2016.

5.       Kaustubh Asawa, “Nanoscale Metal-Assisted Wet Etching of Silicon Combined with Laser Interference Lithography”, MS Thesis, 2016.

6.       Youhua Jiang, “Contact Angle Hysteresis and Depinning Force of Sessile Droplets on Hydrophobic Pore Patterns”, MS Thesis, 2014.

7.       Insub Cho, “Lubricant-Impregnated Porous Aluminum Oxide Nanostructure for Anti-Corrosion”, MS Thesis, 2014.

8.       Ferdi Hizal, “Effects of Anodizing Parameters on Nano-Porous Patterning of Aluminum in Phosphoric Acid”, MS Thesis, 2011.

9.       Rajesh Leeladhar, “Drying of Nanoparticle Colloidal Droplets on Nano-Porous Superhydrophobic Surfaces”, MS Thesis, 2011.

10.    Chien-Hsiang Wang, “Design, Modeling, and Simulation of Regenerative Blowers for High Energy Efficiency”, MS Thesis, 2011.

11.    Elias Aljallis, “Characterization of Superhydrophobic Surfaces for Hydrodynamic Drag Reduction and Anti-Icing”, MS Thesis, 2010.

 

Patents

 

  1. E.-H. Yang, R. Besser, J. Xu, W. Xu, B. Englot, C.-H. Choi, “In Situ Oil Cleanup and Recovery Using Smart Polymer Integrated Surface Vessels”, Application No.: 17/881406, Filing Date: August 4, 2022, Publication No.: US 2023/0025974 A1, Publication Date: January 26, 2023, Patent No.: US 12,054,406 B2, Date of Patent: August 6, 2024.

2.       C.-H. Choi, J. Lee, “Oil-impregnated Nanoporous Oxide Coatings having Bottle-Shaped Pores”, International Application No.: PCT/US2021/030329, International Filing Date: April 30, 2021, International Publication No.: WO 2021/242475 A2, Publication Date: March 17, 2022.

  1. J. Lee, C.-H. Choi, “Anti-Corrosive Oil-impregnated Nanoporous Oxide Coating for Stainless Steel”, International Application No.: PCT/US2021/028982, International Filing Date: April 23, 2021, International Publication No.: WO 2021/217093 A1, Publication Date: October 28, 2021.
  2. Y. Xi, C.-H. Choi, X. Yu, J. Liang, “Artificial Cornea with Double-side Microtextured PHEMA Hydrogel”, International Application No.: PCT/US2021/024521, International Filing Date: March 26, 2021, International Publication No.: WO 2021/195587 A1, Publication Date: September 30, 2021.
  3. Y. Xi, C.-H. Choi, X. Yu, J. Liang, “Artificial Cornea with Double-side Microtextured PHEMA Hydrogel”, Application No.: 16/879641, Filing Date: May 20, 2020, Publication No.: US 2020/0390539 A1, Publication Date: December 17, 2020, Patent No.: US 11,950,997 B2, Date of Patent: April 9, 2024.
  4. E.-H. Yang, J. Xu, W. Xu, B. Englot, C.-H. Choi, “In Situ Oil Cleanup and Recovery Using Smart Polymer Integrated Surface Vessels”, Application No.: 16/766066, Filing Date: December 4, 2018, Publication No.: US 2020/0331776 A1, Publication Date: October 22, 2020, Patent No.: US 11,407,657 B2, Date of Patent: August 9, 2022.
  5. C.-H. Choi, J. Lee, “Oil-impregnated Nanoporous Oxide Coating for Inhibiting Aluminum Corrosion”, Application No.: US 18/734209, Filing Date: June 5, 2024, Publication No.: US 2024/0318345 A1, Publication Date: September 26, 2024.
  6. C.-H. Choi, J. Lee, “Oil-impregnated Nanoporous Oxide Coating for Inhibiting Aluminum Corrosion”, Application No.: US 17/584160, Filing Date: January 25, 2022, Publication No.: US 2022/0178042 A1, Publication Date: June 9, 2022, Patent No.: US 12006583 B2, Date of Patent: June 11, 2024.
  7. J. Lee, C.-H. Choi, “Oil-impregnated Nanoporous Oxide Coating for Inhibiting Aluminum Corrosion”, Application No.: US 16/269348, Filing Date: February 6, 2019, Publication No.: US20190242026 A1, Publication Date: August 8, 2019.

10.    C. Jeong, C.-H. Choi, “Nanoengineered Superhydrophobic Anti-Corrosive Aluminum Surfaces”, Application No.: US 14/199,489, Filing Date: March 6, 2014, Publication No.: US20140255682 A1, Publication Date: September 11, 2014.

11.    P. Tolias, W. Lee, A. Ritter, X. Yu, H. Wang, H. Du, C.-H. Choi, W. Zhang, Y. Gu, “Microfluidic-Based Cell-Culturing Platform and Method”, Application No.: US 13/690,831, Filing Date: November 30, 2012, Publication No.: US20130143230 A1, Publication Date: Jun. 6, 2013.

12.    W. Mao, I. Wathuthanthri, C.-H. Choi, “Tunable two-mirror interference lithography system”, Application No.: US 13/547,824, Filing Date: July 12, 2012, Publication No.: US 20130017498 A1, Publication Date: January 17, 2013, Patent No.: US 8,681,315, Date of Patent: March 25, 2014.

13.    E.-H. Yang, Y.-T. Tsai, C.-H. Choi, “Marangoni stress-driven droplet manipulation on smart polymers for ultra-low voltage digital microfluidics”, Application No.: US 13/434,082, Filing Date: March 29, 2012, Publication No.: US 20120248229 A1, Publication Date: October 4, 2012.

 

Book

 

1.       K. Mittal, C.-H. Choi, “Ice Adhesion: Mechanism, Measurement, and Mitigation”, Wiley-Scrivener, Beverly, MA (2020).

 

Book Chapters

 

1.       D. Song, Y. Jiang, M. A. Sarshar, C.-H. Choi, “Icephobicities of Superhydrophobic Surfaces”, in Ice Adhesion: Mechanism, Measurement, and Mitigation, Eds. Kash Mittar and Chang-Hwan Choi, Wiley-Scrivener, Beverly, MA (2020) (invited). 

2.       J. Lee, C.-H. Choi, “Superhydrophobic Surfaces for Anti-Corrosion of Aluminum”, in Advances in Contact Angle, Wettability and Adhesion, Vol. 3, Ed. Kash Mittar, Wiley-Scrivener, Beverly, MA (2018) (invited).

3.       Y. Jiang, W. Xu, and C.-H. Choi, “Effects of Particulates on Contact Angles and Adhesion of a Droplet”, Progress in Adhesion and Adhesives, Vol. 2, Ed. Kash Mittar, Scrivener Publishing / Wiley (2017).

4.       R. Ozbay, A. Kibar, C.-H. Choi, “Bubble Adhesion to Superhydrophilic Surfaces”, in Advances in Contact Angle, Wettability and Adhesion, Vol. 2, Ed. Kash Mittar, Scrivener Publishing / Wiley (2015) (invited).

5.       M. A. Sarshar, W. Xu, C.-H. Choi, “Correlation between Contact Line Pinning and Contact Angle Hysteresis on Heterogeneous Surfaces: A Review and Discussion”, in Advances in Contact Angle, Wettability and Adhesion, Vol. 1, Ed. Kash Mittar, Scrivener Publishing / Wiley (2013) (Invited).

6.       C.-H. Choi, C.-J. Kim, “Advanced Nanostructured Surfaces for the Control of Biofouling: Cell adhesions to three-dimensional nanostructures”, in Green Tribology: Biomimetics, Energy Conservation, and Sustainability, Ed. B. Bhushan, Springer (2011) (Invited).

7.       C.-H. Choi, C.-J. Kim, “Design, Fabrication, and Applications of Large-Area Well-Ordered Dense-Array Three-Dimensional Nanostructures”, in Nanostructures in Electronics and Photonics, Ed. Faiz Rahman, Pan Stanford Publishing (2008) (Invited).

 

Feature Article

 

1.       C.-H. Choi, “3-D Nanopatterning and Nanofabrication: Using Nano-Scalloping Effects in Bosch Deep Reactive Ion Etching ”, AZoNano, Nanotechnology Thought Leaders Series, 2010.

 

Journal Publications (in preparation)

 

1.       K. Du, Y. Liu, I. Wathuthanthri, C.-H. Choi, “Fabrication of Micro/Nanostructures on PDMS using Free-Standing Membrane”.

2.       W. Xu, R. Leeladhar, Y. T. Kang, C.-H. Choi, “Evaporation of nanofluid droplets on nanoporous superhydrophobic surfaces”.

3.       R. Ozbay, A. Kibar, Y. T. Kang, C.-H. Choi, “Adhesion forces of air bubbles on hydrophobic, hydrophilic, and superhydrophilic surfaces”.

4.       A. Kibar, Y. T. Kang, C.-H. Choi, “Spreading and sliding behaviors of air bubbles on screwed superhydrophobic surfaces”.

5.       I. Wathuthanthri, W. Mao, C.-H. Choi, “Effects of vertical standing wave on interference lithography nanopatterning”.

6.       I. Wathuthanthri, K. Du, C.-H. Choi, “Moiré Holographic Lithography”.

7.       I. Wathuthanthri, K. Du, C.-H. Choi, “Application of Black Silicon as a Lithographic Enabler”.

8.       Y. Liu, J. H. Xin, C.-H. Choi, “Robust superhydrophobic surfaces from hollow colloidosome particles for spill oil cleaning up”.

9.       Y. Liu, J. H. Xin, C.-H. Choi, “Nanoparticle-Based Transparent Superhydrophobic Coatings”.

10.    Y. Liu, K. Du, W. Xu, C.-H. Choi, “Hydrothermal precipitation of ZnO on a superhydrophobic surface: The use of air as template”.

 

Journal Publications (in review)

 

1.       Y. Jiang, W. Xu, K. Connington, C.-H. Choi, “Depinning of Particle-Laden Droplets on Superhydrophobic Surfaces: Effect of Capillary Bridge Rupture”.

 

Journal Publications

 

1.       J.-Y. Son, K.-Y. Lee, S. H. Lee, C.-H. Choi, “Effects of Oxidized Metal Powders on Pore Defects in Powder-Fed Direct Energy Deposition”, Micromachines 15, 243 (2024).

2.       Y. Xi, C.-H. Choi, R. C. Chang, H. Kaper, P. K. Sharma, “Tribology of Pore Textured Hard Surfaces under Physiological Conditions: Effects of Texture Scales”, Langmuir 39, 6657–6665 (2023).

3.       J. Son, K. Lee, G.-Y. Shin, C.-H. Choi, D. Shim, “Mechanical and Thermal Properties of the High Thermal Conductivity Steel (HTCS) Additively Manufactured via Powder-Fed Direct Energy Deposition”, Micromachines 14, 872 (2023).

4.       T. Huang, J. Lee, C.-H. Choi, P. Zhang, “Condensation Heat Transfer on Slippery Lubricant-Impregnated Nanohole-Arrayed Stainless-Steel Surface”, Surfaces and Interfaces 37, 102704 (2023).

5.       C. Jeong, J. Jung, K. Sheppard, C.-H. Choi, “Control of the Nanopore Architecture of Anodic Alumina via Stepwise Anodization with Voltage Modulation and Pore Widening”, Nanomaterials 13, 342 (2023).

6.       D. Song, C. Xu, B. Song, G. Pan, H. Hu, C.-H. Choi, “Splitting an Impacting Droplet by a Superhydrophobic Wire”, Coatings 12, 1866 (2022).

7.       J. Brito, K. Asawa, A. Marin, A. K. Andrianov, C.-H. Choi, S. A. Sukhishvili, “Hierarchically Structured, All-Aqueous-Coated Hydrophobic Surfaces with pH-Selective Droplet Transfer Capability”, ACS Applied Materials & Interfaces, 14, 26225-26237 (2022).

8.       K. S. Choudhari, C.-H. Choi, S. Chidangil, S. D. George, “Recent Progress in the Fabrication and Optical Properties of Nanoporous Anodic Alumina”, Nanomaterials 12, 444 (2022).

9.       J. Lee, M.-H. Lee, C.-H. Choi, “Design of Robust Lubricant-Infused Surfaces for Anti-Corrosion”, ACS Applied Materials & Interfaces 14, 2411-2423 (2022).

10.    H. Park, C.-H. Choi, C.-J. Kim, “Superhydrophobic Drag Reduction in Turbulent Flows: A Critical Review”, Experiments in Fluids 62, 229 (2021).

11.    Y. Xi, P. K. Sharma, H. J. Kaper, C.-H. Choi, “Tribological Properties of Micropored Poly(2-hydroxyethyl methacrylate) Hydrogel in a Biomimetic Aqueous Environment”, ACS Applied Materials & Interfaces 13, 41473-41484 (2021).

12.    S. Duan, Y. Lin, Z. Wang, J. Tang, Y. Li, D. Zhu, J. Wu, L. Tao, C.-H. Choi, L. Sun, J. Xia, L, Wei, B. Wang, “Conductive Porous MXene for Bionic, Wearable, and Precise Gesture Motion Sensors”, Research 12, 210-220 (2021).

13.    H. Sohrabpoor, V. Salarvand, R. Lupoi, Q. Chu, W. Li, B. Aldwell, W. Stanley, S. O’Halloran, R. Raghavendra, C.-H. Choi, D. Brabazon, “Microstructural and Mechanical Evaluation of Post Processed SS 316L Manufactured by Laser-based Powder Bed Fusion”, Journal of Materials Research and Technology 2021, 9861467 (2021).

14.    K. Asawa, S. Kumar, Y. Huang, C.-H. Choi, “Guiding Light via Slippery Liquid-Infused Porous Surfaces”, Applied Physics Letter 118, 091602 (2021).

15.    Y. Liu, C.-H. Choi, “Superhydrophobic Sands for Preservation and Purification of Water” Coatings 11, 151 (2021).

16.    A. Alaei, K. Zong, K. Asawa, T.-M. Chou, A. L. Briseno, C.-H. Choi, S. S. Lee, “Orienting and Shaping Organic Semiconductor Single Crystals through Selective Nanoconfinement”, Soft Matter 17, 3603-3608 (2021).

17.    Y. Jiang, C.-H. Choi, “Droplet Retention on Superhydrophobic Surfaces: A Critical Review”, Advanced Materials Interfaces 8, 2001205 (2021).

18.    Y. Jiang, Y. Sun, J. W. Drelich, C.-H. Choi, “Topography-Dependent Effective Contact Line in Droplet Depinning”, Physical Review Letters 125, 184502 (2020).

19.    D. Song, Y. Jiang, T. Chou, K. Asawa, C.-H. Choi, “Spontaneous Deicing on Cold Surfaces”, Langmuir 36, 11245–11254 (2020).

20.    Y. Liu, K. Du, I. Wathuthanthri, W. Xu, C.-H. Choi, “Free-Standing Photoresist Film: A Versatile Template for Three-Dimensional Micro- and Nanofabrication”, Advanced Functional Materials 30, 2004129 (2020). (Inside Front Cover)

21.    R. Gulfam, D. Orejon, C.-H. Choi, P. Zhang, “Phase-change Slippery Liquid-infused Porous Surfaces with Thermo-responsive Wetting and Shedding States”, ACS Applied Materials & Interfaces 12, 34306–34316 (2020).

22.    D. Zheng, C.-H. Choi, G. Sun, X. Zhao, “Superwicking on Nanoporous Micropillared Surfaces”, ACS Applied Materials & Interfaces 12, 30925–30931 (2020).

23.    K. Zong, K. Asawa, A. Circelli, N. Sparta, Choi, C.-H. Choi, S. Lee, “Graphoepitaxy-Directed Assembly of Organic Semiconductor Single Crystals into Trellis Structures”, ACS Materials Letters 2, 721-726 (2020).

24.    D. Zheng, C.-H. Choi, X. Zhao, G. Sun, “Facile Fabrication of Sponge-like Porous Micropillar Array via Electrochemical Process”, Nanoscale 12, 10565-10572 (2020).

25.    D. Wang, Y. Jiang, Z. Zhu, W. Yin, K. Asawa, C.-H. Choi, J. W. Drelich, “Contact Line and Adhesion Force of Droplets on Concentric Ring-Textured Hydrophobic Surfaces”, Langmuir 36, 2622-2628 (2020).

26.    Z. Zhang, J. Ding, B. M. Ocko, J. Lhermitte, J. Strzalka, C.-H. Choi, F. T. Fisher, K. G. Yager, C. T. Black, “Nanoconfinement and Salt Synergistically Suppress Crystallization in Polyethylene Oxide”, Macromolecules 53, 1494-1501 (2020).

27.    Y. Xi, H. J. Kaperb, C.-H. Choi, P. K. Sharma, “Tribological Properties of Microporous Polydimethylsiloxane (PDMS) Surfaces under Physiological Conditions”, Journal of Colloid and Interface Science 561, 220-230 (2020).

28.    J. Lee, S. Wooh, C.-H. Choi, “Fluorocarbon Lubricant Impregnated Nanoporous Oxide for Omnicorrosion-Resistant Stainless Steel”, Journal of Colloid and Interface Science 558, 301-309 (2020).

29.    Z. Zhang, J. Ding, B. M. Ocko, A. Fluerasu, L. Wiegart, Y. Zhang, M. Kobrak, Y. Tian, H. Zhang, J. Lhermitte, C.-H. Choi, F. T. Fisher, K. G. Yager, C. T. Black, “Nanoscale Viscosity of Confined Polyethylene Oxide”, Physical Review E 100, 062503 (2019).

30.    A. Chauvin, L. Molina-Luna, J. Ding, C.-H. Choi, P.-Y. Tessier, A.-A. El Mel, “Study of the Coarsening of Nanoporous Gold Nanowires by In Situ Scanning Transmission Electron Microscopy During Annealing”, Physica Status Solidi RRL, 1900376 (2019).

31.    J. Lee, Y. Jiang, F. Hizal, G. Ban, S. Jun, C.-H. Choi, “Durable Omniphobicity of Oil-Impregnated Anodic Aluminum Oxide Nanostructured Surfaces”, Journal of Colloid and Interface Science 553, 734-745 (2019).

32.    Y. Jiang, W. Xu, M. Sarshar, C.-H. Choi, “Generalized Models for Advancing and Receding Contact Angles of Fakir Droplets on Pillared and Pored Surfaces”, Journal of Colloid and Interface Science 552, 359-371 (2019).

33.    M. Sarshar, Y. Jiang. W. Xu, C.-H. Choi, “Depinning Force of a Receding Droplet on Pillared Superhydrophobic Surfaces: Analytical Models”, Journal of Colloid and Interface Science 543, 122-129 (2019).

34.    D. Peckus, A. Chauvin, T. Tamulevicius, M. Juodenas, J. Ding, C.-H. Choi, A.-A. El Mel, P.-Y. Tessier, S. Tamulevicius, “Polarization Dependent Ultrafast Plasmon Relaxation Dynamics in Nanoporous Gold Thin Films and Nanowires”, Journal of Physics D 52, 225103 (2019).

35.    C. Park, H. Park, H. J. Lee, H. S. Lee, K. H. Park, C.-H. Choi, S. Na, “Double Amplified Colorimetric Detection of DNA using Gold Nanoparticles, Enzymes and a Catalytic Hairpin Assembly”, Microchimica Acta 186, 34 (2019).

36.    M. Sarshar, D. Song, C. Swarctz, J. Lee, C.-H. Choi, “Anti-Icing or Deicing?: Icephobicities of Superhydrophobic Surfaces with Hierarchical Structures”, Langmuir 34, 13821-13827 (2018).

37.    Y. Luan, S. Liu, M. Pihl, H. C. van der Mei, J. Liu, F. Hizal, C.-H. Choi, H. Chen, Y. Ren, H. J. Busscher, “Bacterial Interactions with Nanostructured Surfaces”, Current Opinion in Colloid & Interface Science 38, 170-189 (2018). 

38.    K. Du, I. Wathuthanthri, J. Ding, C.-H. Choi, “Superhydrophobic Waveguide: Liquid-Core Air-Cladding Waveguide Platform for Optofluidics”, Applied Physics Letters 113, 143701 (2018).

39.    D. Song, C.-H. Choi, T. Chou, “Combining High-Speed Video Imaging and Cryo-SEM to Study Droplet Impact Freezing on an Extremely Cold Surface”, Microscopy and Microanalysis 24, 402-403 (2018).

40.    K. Du, Y. Jiang, Y. Liu, I. Wathuthanthri, C.-H. Choi, “Manipulation of the Superhydrophobicity of Plasma-Etched Polymer Nanostructures” Micromachines 9, 304 (2018).

41.    J. Li, W. Yu, D. Zheng, X. Zhao, C.-H. Choi, G. Sun, “Hot Embossing for Whole Teflon Superhydrophobic Surfaces” Coatings 8, 227 (2018).

42.    N. Gusnaniar, F. Hizal, C.-H. Choi, J. Sjollema, T. Nuryastuti, M. Rustema-Abbing, R. T. Rozenbaum, H. C. van der Mei, H. J. Busscher, S. W. Wessel, “Transmission of Monospecies and Dual-species Biofilms from Smooth to Nanopillared Surfaces”, Applied and Environmental Microbiology 84, e01035-18 (2018).

43.    Y. Liu, D. Song, C.-H. Choi, “Anti- and De-icing Behaviors of Superhydrophobic Fabrics”, Coatings 8, 198 (2018). (Cover Page)

44.    Y. Jiang, Y. Sun, J. W. Drelich, C.-H. Choi, “Spontaneous Spreading of a Droplet: The Role of Solid Continuity and Advancing Contact Angle”, Langmuir 34, 4945-4951 (2018).

45.    D. Song, B. Song, H. Hu, X. Du, P. Du, C.-H. Choi, J. P. Rothstein, “Effect of Surface Tension Gradient on the Slip Flow along a Superhydrophobic Air-Water Interface”, Physical Review Fluids 3, 033303 (2018).

46.    Y. Sun, Y. Jiang, C.-H. Choi, G. Xie, Q. Liu, J. W. Drelich, “The Most Stable State of a Droplet on Anisotropic Patterns: Support for a Missing Link”, Surface Innovations 6, 133-140 (2018).

47.    C. Park, Y. Song, K. Jang, C.-H. Choi, S. Na, “Target Switching Catalytic Hairpin Assembly and Gold Nanoparticle Colorimetric for EGFR Mutant Detection” Sensors and Actuators B 261, 497-504 (2018).

48.    K. Du, Y. Jiang, P.-S. Huang, J. Ding, T. Gao, C.-H. Choi, “Self-Formation of Polymer Nanostructures in Plasma Etching: Mechanisms and Applications” Journal of Micromechanics and Microengineering 28, 014006 (2018).

49.    Y. Sun, Y. Jiang, C.-H. Choi, G. Xie, Q. Liu, J. W. Drelich, “Direct Measurement of Adhesion Forces of Water Droplets on Smooth and Patterned Polymers”, Surface Innovations 6, 93-105 (2018).

50.    D. Zheng, Y. Jiang, W. Yu, X. Jiang, X. Zhao, C.-H. Choi, G. Sun, “Salvinia-Effect-Inspired “Sticky” Superhydrophobic Surfaces by Meniscus-Confined Electrodeposition” Langmuir 33, 13640-13648 (2017).

51.    A. Kibar, R. Ozbay, M. A. Sarshar, Y. T. Kang, C.-H. Choi, “Bubble Movement on Inclined Hydrophobic Surfaces”, Langmuir 33, 12016-12027 (2017).

52.    K. Du, J. Ding, I. Wathuthanthri, C.-H. Choi, “Selective Hierarchical Patterning of Silicon Nanostructures via Soft Nanostencil Lithography”, Nanotechnology 28, 465303 (2017).

53.    K. Du, I. Wathuthanthri, C.-H. Choi, “The Rise of Scalable Micro/Nanopatterning”, Micromachines 8, 275 (2017).

54.    Y. Jiang, J. Xu, J. Lee, K. Du, E.-H. Yang, C.-H. Choi, “Nanotexturing of Conjugated Polymers via One-step Maskless Oxygen Plasma Etching for Enhanced Tunable Wettability”, Langmuir 33, 6885–6894 (2017).

55.    G.-H. Ban, J. Lee, C.-H. Choi, S, Jun, “Nano-Patterned Aluminum Surface with Oil-Impregnation for Improved Antibacterial Performance”, LWT - Food Science and Technology 84, 359-363 (2017).

56.    W. Xu, A. Palumbo, J. Xu, Y. Jiang, C.-H. Choi, E.-H. Yang, "On-Demand Capture and Release of Organic Droplets using Surfactant-Doped Polypyrrole Surfaces", ACS Applied Materials & Interfaces 9, 23119–23127 (2017).

57.    A. Chauvin, N. Stephant, K. Du, J. Ding, I. Wathuthanthri, C.-H. Choi, P.-Y. Tessier, A.-A. El Mel, “Large-Scale Fabrication of Porous Gold Nanowires via Laser Interference Lithography and Dealloying of Gold-Silver Nano-Alloys”, Micromachines 8, 168 (2017).

58.    K. Du, J. Ding, Y. Liu, I. Wathuthanthri, C.-H. Choi, “Stencil Lithography for Scalable Micro- and Nanomanufacturing”, Micromachines 8, 131 (2017).

59.    F. Hizal, N. Rungraeng, J. Lee, S. Jun, H. J. Busscher, H. C. van der Mei, C.-H. Choi, “Nanoengineered Superhydrophobic Surfaces of Aluminum with Extremely Low Bacterial Adhesivity”, ACS Applied Materials & Interfaces 9, 12118-12129 (2017).

60.    J. Lee, S. Shin, Y. Jiang, C. Jeong, H. A. Stone, C.-H Choi, “Oil-Impregnated Nanoporous Oxide Layer for Corrosion Protection with Self-Healing”, Advanced Functional Materials 27, 1606040 (2017). (Cover Page)

61.    J. Lee, D. Kim, C.-H. Choi, W. Chung, “Nanoporous Anodic Alumina Oxide Layer and Its Sealing for the Enhancement of Radiative Heat Dissipation of Aluminum Alloy”, Nano Energy 31, 504-513 (2017).

62.    C. Lee, C.-H. Choi, C.-J. Kim, “Superhydrophobic Drag Reduction in Laminar Flows: A Critical Review”, Experiments in Fluids 57, 176 (2016).

63.    F. Hizal, C.-H. Choi, H. J. Busscher, H. C. van der Mei, “Staphylococcal Adhesion, Detachment and Transmission on Nanopillared Si Surfaces”, ACS Applied Materials & Interfaces 8, 30430-30439 (2016).

64.    K. Jang, C. Park, J. You, J. Choi, H. Park, J. Park, H. Lee, C.-H. Choi, S. Na, "A Highly-Sensitive, Direct and Real-Time Detection of Silver Nanowires by using a Quartz Crystal Microbalance", Nanotechnology 27, 475506 (2016).

65.    A. Chauvin, C. Delacote, M. Boujtita, B. Angeraud, J. Ding, C.-H. Choi, P.-Y. Tessier, A.-A. El Mel, “Dealloying of Gold-Copper Alloy Nanowires: From Hillocks to Periodic Ring-Shaped Nanopore”, Beilstein Journal of Nanotechnology 7, 1361-1367 (2016).

66.    Y. Jiang, W. Xu, and C.-H. Choi, “Effects of Particulates on Contact Angles and Adhesion of a Droplet: A Critical Review”, Review of Adhesion and Adhesives, 4, 192-222 (2016).

67.    W. Xu, J. Xu, X. Li, Y. Tian, C.-H. Choi, E.-H. Yang, "Lateral Actuation of an Organic Droplet on Conjugated Polymer Electrodes via Imbalanced Interfacial Tensions", Soft Matter 12, 6902-6909 (2016). (Cover Page)

68.    A.-A. El Mel, M. Chettab, E. Gautron, A. Chauvin, B. Humbert, J.-Y. Mevellec, C. Delacote, D. Thiry, N. Stephant, J. Ding, K. Du, C.-H. Choi, P.-Y. Tessier, "Galvanic Replacement Reaction: A Route to Highly Ordered Bimetallic Nanotubes", Journal of Physical Chemistry 120, 17652-17659 (2016).

69.    S. Na, K. Jang, J. You, C. Park, H. Park, J. Choi, C.-H. Choi, J. Park, H. Lee, "Ultra-sensitive Detection of Zinc Oxide Nanowires using a Quartz Crystal Microbalance and Phosphoric Acid DNA", Nanotechnology 27, 365501 (2016).

70.    A. Chauvin, C. Delacote, L. Molina-Luna, M. Duerrschnabel, M. Boujtita, D. Thiry, K. Du, J. Ding, C.-H. Choi, P.-Y. Tessier, A.-A. El Mel, “Planar Arrays of Nanoporous Gold Nanowires: When Electrochemical Dealloying Meets Nanopatterning”, ACS Applied Materials & Interfaces 8, 6611-6620 (2016).

71.    A.-A. El Mel, P.-Y. Tessier, M. Buffiere, E. Gautron, J. Ding, K. Du, C.-H. Choi, S. Konstantinidis, R. Snyders, C. Bittencourt, L. Molina-Luna, "Controlling the Formation of Nanocavities in Kirkendall Nanoobjects through Sequential Thermal Ex Situ Oxidation and In Situ Reduction Reactions", Small 12, 2885-2892 (2016).

72.    D. Kim; J. Lee, J. Kim, C.-H. Choi, W. Chung, “Enhancement of Heat Dissipation of LED Module with Cupric-Oxide Composite Coating on Aluminum-Alloy Heat Sink”, Energy Conversion and Management 106, 958-963 (2015).

73.    W. Xu, J. Xu, C.-H. Choi, and E. H. Yang, “In situ Control of Underwater-Pinning of Organic Droplets on a Surfactant-Doped Conjugated Polymer Surface”, ACS Applied Materials & Interfaces 7, 25608-25617 (2015).

74.    C. Jeong, J. Lee, K. Sheppard, C.-H. Choi, “Air-Impregnated Nanoporous Anodic Aluminum Oxide Layers for Enhancing the Corrosion Resistance of Aluminum”, Langmuir 31, 11040-11050 (2015).

75.    F. Hizal, I. Zhuk, S. Sukhishvili, H. J. Busscher, H. C. van der Mei, C.-H. Choi. “Impact of 3D Hierarchical Nanostructures on the Antibacterial Efficacy of a Bacteria-Triggered Self-Defensive Antibiotic Coating”, ACS Applied Materials & Interfaces 7, 20304-20313 (2015).

76.    D. Thiry, L. Molina-Luna, E. Gautron, N. Stephan, A. Chauvin, K. Du, J. Ding, C.-H. Choi, P. Y. Tessier, A. A. El Mel, “The Kirkendall Effect in Binary Alloys: Trapping Gold in Copper Oxide Nanoshells”, Chemistry of Materials 27, 6374-6384 (2015).  

77.    S. Lee, K. Jang, C. Park, J. You, T. Kim, C. Im, J. Kang, H. Shin, C.-H. Choi, J. Park, S. Na, “Ultra-Sensitive in situ Detection of Silver Ions Using a Quartz Crystal Microbalance”, New Journal of Chemistry 39, 8028-8034 (2015).

78.    J. You, K. Jang, S. Lee, D. Bang, S. Haam, C.-H. Choi, J. Park, S. Na, “Label-Free Detection of Zinc Oxide Nanowire Using a Graphene Wrapping Method”, Biosensors and Bioelectronics 68, 481-486 (2015).

79.    J. Ding, K. Du, I. Wathuthanthri, C.-H. Choi, F. Fisher, E.-H. Yang, “Transfer Patterning of Large-Area Graphene Nanomesh via Holographic Lithography and Plasma Etching”, Journal of Vacuum Science & Technology B 32, 06FF01 (2014).

80.    K. Du, I. Wathuthanthri, Y. Liu, Y. T. Kang, C.-H. Choi, “Fabrication of Polymer Nanowires via Maskless O2 Plasma Etching”, Nanotechnology 25, 165301 (2014). (Cover Page)

81.    A.-A. El Mel, L. Molina-Luna, M. Buffière, P.-Y. Tessier, K. Du, C.-H. Choi, H.-J. Kleebe, S. Konstantinidis, C. Bittencourt, R. Snyders, “Electron Beam Nanosculpting of Kirkendall Oxide Nanochannels”, ACS Nano 8, 1854-1861 (2014).

82.    Y. Lu, M. A. Sarshar, K. Du, T. Chou, C.-H. Choi, S. A. Sukhishvili, “Large-Amplitude, Reversible, pH-Triggered Wetting Transitions Enabled by Layer-by-Layer Films”, ACS Applied Materials & Interfaces 5, 12617-12623 (2013).

83.    K. Du, Y. Liu, I. Wathuthanthri, C.-H. Choi, “Fabrication of Hierarchical Nanostructures using Free-Standing Trilayer Membrane”, Journal of Vacuum Science & Technology B 31, 06FF04 (2013).

84.    S. R. Nam, C. W. Jung, C.-H. Choi, Y. T. Kang, “Cooling Performance Enhancement of LED Packages with Carbon Nanogrease”, Energy 60, 195-203 (2013).

85.    E. Aljallis, M. Sarshar, R. Datla, V. Sikka, A. Jones, C.-H. Choi, Response to “Comment on ‘Experimental study of skin friction drag reduction on superhydrophobic flat plates in high Reynolds number boundary layer flow’”, Physics of Fluids 25, 079101 (2013).

86.    W. Xu, R. Leeladhar, Y. T. Kang, C.-H. Choi, “Evaporation Kinetics of Sessile Water Droplets on Micropillared Superhydrophobic Surfaces”, Langmuir 29, 6032-6041 (2013).

87.    E. Aljallis, M. Sarshar, R. Datla, V. Sikka, A. Jones, C.-H. Choi, “Experimental Study of Skin Friction Drag Reduction on Superhydrophobic Flat Plates in High Reynolds Number Boundary Layer Flow”, Physics of Fluids 25, 025103 (2013).

88.    A.-A. El Mel, M. Buffière, P.-Y. Tessier, S. Konstantinidis, W. Xu, K. Du, I. Wathuthanthri, C.-H. Choi, C. Bittencourt, R. Snyders “Highly Ordered Hollow Oxide Nanostructures: The Kirkendall Effect at the Nanoscale”, Small 9, 2838-2843 (2013). (Cover Page)

89.    I. Wathuthanthri, Y. Liu, K. Du, W. Xu, C.-H. Choi, “Simple Holographic Patterning for High-Aspect-Ratio Three-Dimensional Nanostructures with Large Coverage Area”, Advanced Functional Materials 23, 608-618 (2013).

90.    M. A. Sarshar, C. Swarctz, S. Hunter, J, Simpson, C.-H. Choi, “Effects of Contact Angle Hysteresis on Ice Adhesion and Growth on Superhydrophobic Surfaces under Dynamic Flow Conditions”, Colloid and Polymer Science 291, 427-435 (2013) (Invited).

91.    Y. Liu, C.-H. Choi, “Condensation-Induced Wetting State and Contact Angle Hysteresis on Superhydrophobic Lotus Leaves”, Colloid and Polymer Science 291, 437-445 (2013) (Invited).

92.    Y.-T Tsai, C.-H. Choi, E.-H. Yang, “Low-Voltage Manipulation of an Aqueous Droplet in a Microchannel via Tunable Wetting on PPy(DBS)”, Lab on a Chip 13, 302-309 (2013).

93.    Y. Liu, J. Xin, C.-H. Choi, “Cotton fabric with single-faced superhydrophobicity”, Langmuir 28, 17426-17434 (2012).

94.    A. A. El Mel, J. L. Duvail, E. Gautron, W. Xu, C.-H. Choi, B. Angleraud, A. Granier, P. Y. Tessier, “Highly ordered ultralong magnetic nanowires wrapped in stacked graphene layers”, Beilstein Journal of Nanotechnology 3, 846-851 (2012).

95.    Y. Liu, K. Du, I. Wathuthanthri, C.-H. Choi, “From Nanocone to Nanodisc: Structural Transformation of Gold Nanoarrays via Simple Mechanical Stresses”, Journal of Vacuum Science & Technology B 30, 06FF10 (2012).

96.    K. Du, Y. Liu, I. Wathuthanthri, C.-H. Choi, “Dual Application of Free-Standing Holographic Nanopatterns for Lift-Off and Stencil Lithography”, Journal of Vacuum Science & Technology B 30, 06FF04 (2012).

97.    K. Du, I. Wathuthanthri, Y. Liu, W. Xu, C.-H. Choi, “Wafer-Scale Pattern Transfer of Metal Nanostructures on Polydimethylsiloxane (PDMS) Substrates via Holographic Nanopatterns”, ACS Applied Materials & Interfaces 4, 5505-5514 (2012).

98.    W. Xu, C.-H. Choi, “From sticky to slippery droplets: Dynamics of contact line de-pinning on superhydrophobic surfaces”, Physical Review Letters 109, 024504 (2012).

99.    A.A. El Mel, E. Gautron, B. Angleraud, A. Granier, W. Xu, C.-H. Choi, K. J. Briston, B. J. Inkson, P.Y. Tessier, “Fabrication of a nickel nanowire mesh electrode suspended on polymer substrate”, Nanotechnology 23, 275603 (2012).

100. W. Xu, C.-H. Choi, “Effects of surface topography and colloid particles on the evaporation kinetics of sessile droplets on superhydrophobic surfaces”, Journal of Heat Transfer 134, 051022 (2012).

101. C. Jeong, C.-H. Choi, “Single-Step Direct Fabrication of Pillar-on-Pore Hybrid Nanostructures in Anodizing Aluminum for Superior Superhydrophobic Efficiency”, ACS Applied Materials & Interfaces 4, 842-848 (2012).

102. A.A. El Mel, A. Achour, W. Xu, C.-H. Choi, E. Gautron, B. Angleraud, A. Granier, L. Le Brizoual, M. A. Djouadi, P.Y. Tessier, “Hierarchical carbon nanostructures design: Ultra-long carbon nanofibers decorated with carbon nanotubes”, Nanotechnology 22, 435302 (2011).

103. W. Mao, I. Wathuthanthri, C.-H. Choi, “Tunable two-mirror interference lithography system for wafer-scale nanopatterning”, Optics Letters 36, 3176-3178 (2011).

104. A.A. El Mel, M. Buffiere, F. Massuyeau, E. Gautron, J. Wery, E. Faulques, N. Barreau, P.Y. Tessier, W. Xu, C.-H. Choi, “Direct synthesis of ZnO nanowires on nanopatterned surface by magnetron sputtering”, Chemical Vapor Deposition 17, 337-341 (2011).

105. W. Xu, C.-H. Choi, “Experimental studies on evaporation kinetics and wetting dynamics of nanofluid droplets on superhydrophobic surfaces of micro-post patterns”, Journal of Adhesion Science and Technology 25, 1305-1321 (2011) (Invited).

106. K. Du, I. Wathuthanthri, W. Mao, W. Xu, C.-H. Choi, “Large-Area Pattern Transfer of Metallic Nanostructures on Glass Substrates via Interference Lithography”, Nanotechnology 22, 285306 (2011).

107. I. Wathuthanthri, W. Mao, C.-H. Choi, “Two Degrees-of-Freedom Lloyd-Mirror Interferometer for Superior Pattern Coverage Area”, Optics Letters 36, 1593-1595 (2011).

108. Y.-T. Tsai, C.-H. Choi, N. Gao, E.-H. Yang, "Tunable wetting mechanism of polypyrrole surfaces and low-voltage droplet manipulation via redox", Langmuir 27, 4249-4256 (2011).

109. W. Xu, R. Leeladhar, Y.-T. Tsai, E.-H. Yang, C.-H. Choi, “Evaporative self-assembly of nanowires on superhydrophobic surfaces of nano-tip latching structures”, Applied Physics Letters 98, 073101 (2011). (Cover Page)

110. A.A. El Mel, E. Gautron, C.-H. Choi, B. Angleraud, A. Granier, P.Y. Tessier, “ Titanium carbide/carbon composite nanofibers prepared by plasma process”, Nanotechnology 21, 435603 (2010).

111. Y.-T. Tsai, W. Xu, E.H. Yang, C.-H. Choi, "Self-Assembly of Nanowires at Three-Phase Contact Lines on Superhydrophobic Surfaces", Nanoscience and Nanotechnology Letters 2, 150-156 (2010).

112. C.-H. Choi, C.-J. Kim, “Droplet Evaporation of Pure Water and Protein Solution on Nanostructured Superhydrophobic Surfaces of Varying Heights”, Langmuir 25, 7561-7567 (2009).

113. K. Schenke-Layland, F. Rofail, S. Heydarkhan, J. M. Gluck, N. P. Ingle, E. Angelis, C.-H. Choi, W. R. MacLellan, R. E Beygui, R. J. Shemin, S. Heydarkhan-Hagvall, “The use of three-dimensional nanostructures to instruct cells to produce extracellular matrix for regenerative medicine strategies”, Biomaterials 30, 4665-4675 (2009).

114. C.-H. Choi, S. H. Hagvall, B. M. Wu, J. C. Y. Dunn, R. E. Beygui, C.-J. Kim, “Cell Growth as a Sheet on Three-Dimensional Sharp-Tip Nanostructures”, Journal of Biomedical Materials Research A 89, 804-817 (2009).

115. C. Lee, C.-H. Choi, C.-J. Kim, “Structured Surfaces for a Giant Liquid Slip”, Physical Review Letters 101, 064501 (2008).

116. S. Heydarkhan-Hagvall, C.-H. Choi, J. Dunn, S. Heydarkhan, K. Schenke-Layland, W. R. MacLellan, R. E. Beygui, “Influence of Systematically Varied Nano-Scale Topography on Cell Morphology and Adhesion”, Cell Communication & Adhesion 14, 181-194 (2007).

117. C.-H. Choi, S. H. Hagvall, B. M. Wu, J. C. Y. Dunn, R. E. Beygui, C.-J. Kim, “Cell Interaction with Three-Dimensional Sharp-Tip Nanotopography”, Biomaterials 28, 1672-1679 (2007).

118. C.-H. Choi, C.-J. Kim, “Fabrication of Dense Array of Tall Nanostructures over a Large Sample Area with Sidewall Profile and Tip Sharpness Control”, Nanotechnology 17, 5326-5333 (2006).

119. C.-H. Choi, C.-J. Kim, “Choi and Kim Reply” (A Reply to the Comment on ‘Large Slip of Aqueous Liquid Flow over a Nanoengineered Superhydrophobic Surface’), Physical Review Letters 97, 109602 (2006).

120. C.-H. Choi, U. Ulmanella, J. Kim, C.-M. Ho, C.-J. Kim, “Effective Slip and Friction Reduction in Nanograted Superhydrophobic Microchannels”, Physics of Fluids 18, 087105 (2006).

121. C.-H. Choi, C.-J. Kim, “Large Slip of Aqueous Liquid Flow over a Nanoengineered Superhydrophobic Surface”, Physical Review Letters 96, 066001 (2006).

122. C.-H. Choi, K. J. A. Westin, K. S. Breuer, “Apparent Slip Flows in Hydrophilic and Hydrophobic Microchannels”, Physics of Fluids 15, 2897-2902 (2003).

123. K. J. A. Westin, C.-H. Choi, K. S. Breuer, “A Novel System for Measuring Liquid Flow Rates with Nanoliter per Minute Resolution”, Experiments in Fluids 34, 635-642 (2003).

 

Conference Proceedings

 

1.       C.-H. Choi, “Design of Robust Lubricant-Infused Surfaces”, in Proceedings of IUTAM Symposium on Capillarity and Elastocapillarity in Biology, August 22-24, 2024, Seoul, Korea.

2.       J. Jang, C.-H. Choi, S. H. Lee, “Effects of Holding Temperature during Induction Heating Assisted Laser-Directed Energy Deposition of Inconel 718”, in Proceedings of the 42th International Congress on Applications of Lasers and Electro-Optics (ICALEO), October 16-19, 2023, Chicago, IL.

3.       J. Jung, S. M. Hosseini, C.-H. Choi, “Optimization of Direct Energy Deposition Additive Manufacturing Process for Al-Mg-Si Alloy and H13 Steel”, in Proceedings of UKC2023: The 2023 US-Korea Conference on Science, Technology and Entrepreneurship, August 2-5, 2023, Dallas-Fort Worth, TX.

4.       C.-H. Choi, “Novel Nanofabrication Processes and Applications via Laser Interference Lithography”, in Proceedings of the 23rd IEEE International Conference on Nanotechnology (IEEE-NANO 2023), July 2-5, 2023, Jeju Island, South Korea.

5.       J. Jung, S. M. Hosseini, C.-H. Choi, “Optimization of Direct Energy Deposition Process for Al-Mg-Si Aluminum Alloy and H13 Steel Bi-metal Structure”, in Proceedings of the Northeast Regional Conference (NRC) 2023, April 29, 2023, Montclair, NJ.

6.       C.-H. Choi, “Superhydrophobic Drag Reduction: From Droplet Movement to Boundary Layer Flows”, in Proceedings of the 3rd International Conference on Fluid Flow and Thermal Science (ICFFTS’22), October 27-29, 2022, Seoul, South Korea.

7.       Y. Xi, H. J. Kaper, C.-H. Choi, P. K. Sharma, “Biotribology of Microtextured Surfaces: Effects of Material Hydrophilicity and Stiffness”, in Proceedings of the 2nd International Conference on Nature Inspired Surface Engineering (NISE 2022), August 17-19, 2022, Seoul, South Korea.

8.       Y. Xi, H. J. Kaper, C.-H. Choi, P. K. Sharma, “Tribological Effects of Textured Hard Implant Surfaces Sliding against Soft Tissue under Physiological Conditions”, in Proceedings of the 7th World Tribology Congress (WTC 2022), July 10-15, 2022, Lyon, France.

9.       J. Son, C.-H. Choi, D.-S. Shim, “Thermal Conductivity of HTCS-150 Deposited via Powder-fed DED Technology”, in Proceedings of UKC2021: The 2021 US-Korea Conference on Science, Technology and Entrepreneurship, December 15-18, 2021, Garden Grove, CA.

10.    R. Gulfam, D. Orejon, C.-H. Choi, P. Zhang, “Thermo-Responsive Enhanced Shedding on Lubricant Infused Surfaces”, in Proceedings of UKHTC 2021: The 17th UK Heat Transfer Conference, September 5-7, 2021, Manchester, UK

11.    J. Son, G. Shin, K. Lee, C.-H. Choi, D. Shim, “High-Temperature Properties of Hot-Work Tool Steel (AISI H13) Deposited via Direct Energy Deposition”, in Proceedings of ICTP 2021: The 13th International Conference on the Technology of Plasticity, July 25-30, 2021, Virtual.

12.    J. E. Brito, K. Asawa, C.-H. Choi, A. K. Andrianov, S. A. Sukhishvili, “All-aqueous Layer-by-layer Coatings of Fluorinated Polyelectrolytes for Controllable Hydrophobicity and Droplet Adhesion”, in Proceedings of ACS Spring 2021, April 5-16, 2021, Virtual.

13.    J.-Y. Son, C.-H. Choi, K.-Y. Lee, D.-S. Shim, “Experimental Investigation into a Fatigue Failure of Deposited HTCS-150 on H13 by Thermal Cyclic Loadings”, in Proceedings of the 30th KSEA Northeast Regional Conference, April 3, 2021, Virtual.

14.    A. Alaei, K. Zong, K. Asawa, T.-M. Chou, A. L. Briseño, C.-H. Choi, S. S. Lee, “Directing Organic Semiconductor Crystal Orientation and Shape using Nanoconfining Scaffolds”, in Proceedings of the APS March Meeting, March 15-19, 2021, Virtual.

15.    C.-H. Choi, K. Asawa, D. Song, “Electrokinetic Energy Harvesting of Streaming Current through Nanotextured Microchannels”, in Proceedings of UKC2020: The 2020 US-Korea Conference on Science, Technology and Entrepreneurship, December 14-17, 2020, Virtual.

16.    K. Asawa, S. Kumar, Y. Huang, C.-H. Choi, “Optofluidic Waveguide using Oil-Impregnated Nanoporous Surfaces as Cladding Layers”, in Proceedings of the ASME 2019 International Mechanical Engineering Congress & Exposition (IMECE), November 8-14, 2019, Salt Lake City, Utah, USA.

17.    K. Zong, K. Asawa, C.-H. Choi, S. S. Lee, “Graphoepitaxy-Directed Crystallization of Small-Molecule Organic Semiconductors into 3D Structures”, in Proceedings of the 2022 Virtual AlChE Annual Meeting, November 16-20, 2020, Virtual.

18.    S. S. Lee, K. Zong, K. Asawa, C.-H. Choi, N. Sparta, A. Circelli, “Engineering Vertical Crystal Arrays for Efficient Solar Energy Harvesting”, in Proceedings of the Energy Harvesting from Infrastructure and Ocean Systems (EHIOS), November 4-6, 2019, Hoboken, NJ, USA.

19.    J. Lee, C.-H. Choi, “Oil-impregnated Nanoporous Oxide Layers for Durable Omniphobicity and Anti-Corrosion for Aluminum”, in Proceedings of UKC2019: The 2019 US-Korea Conference on Science, Technology and Entrepreneurship, August 14-17, 2019, Chicago, IL, USA.

20.    Y. Xi, H. J. Kaper, C.-H. Choi, P. K. Sharma, “Tribological Properties of Nature-Inspired Microporous PDMS Surfaces under Physiological Conditions”, in Proceedings of NISE 2019: The 1st International Conference on Nature Inspired Surface Engineering, June 11-14, 2019, Hoboken, NJ, USA.

21.    D. Zhang, J. Li, X. Zhao, C.-H. Choi, G. Sun, “Integration of Nanopores onto Micro Wick Structures for High Performance Flat Heat Pipe”, in Proceedings of NISE 2019: The 1st International Conference on Nature Inspired Surface Engineering, June 11-14, 2019, Hoboken, NJ, USA.

22.    J. Lee, C.-H. Choi, “Effects of Oil Viscosity on the Anti-Corrosion and Self-Healing Properties of Oil-Impregnated Nanoporous Anodic Aluminum Oxide”, in Proceedings of the Americas International Meeting on Electrochemistry and Solid-State Science (AiMES 2018), September 20 – October 4, 2018, Cancun, Mexico.

23.    K. Du, J. Ding, I. Wathuthanthri, C.-H. Choi, “Optofluidic Waveguide using Nanostructured Superhydrophobic Surfaces as Novel Cladding Layers”, in Proceedings of the 8th International Multidisciplinary Conference on Optofluidics (IMCS 2018), August 5-8, 2018, Shanghai, China.

24.    G. Sun, C.-H. Choi, “Nanopillars by Deep Reactive Ion Etching using Silica Nanoparticles as Masks”, in Proceedings of the ACS Publications Symposium: Innovation in Materials Science, July 29-31, 2018, Shanghai, China.

25.    Y. Jiang, Y. Sun, J. W. Drelich, C.-H. Choi, “Droplet Adhesion on Patterned Hydrophobic Surfaces in a Fakir State: Topography-Dependent Effective Contact Line”, in Proceedings of the 11th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2018, Hoboken, NJ, USA.

26.    D. Song, Y. Jiang, T. Chou, K. Asawa, C.-H. Choi, “Water Droplet Impact and Freezing on an Extremely Cold Surface”, in Proceedings of the 11th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2018, Hoboken, NJ, USA.

27.    Y. Jiang, Y. Sun, J. W. Drelich, C.-H. Choi, “Spontaneous Spreading of a Droplet: The Role of Solid Continuity and Advancing Contact Angle”, in Proceedings of the 11th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2018, Hoboken, NJ, USA.

28.    R. Ozbay, Y. Jiang, C.-H. Choi, “Contact Line Dynamics of a Bubble on Superaerophobic Surfaces”, in Proceedings of the 11th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2018, Hoboken, NJ, USA.

29.    F. Hizal, C.-H. Choi, “Nanofabricated Biomaterial Surfaces for Anti-Bacterial Adhesion”, in Proceedings of the 5th Nano Today Conference, December 6-10, 2017, Hawaii, USA.

30.    J. Lee, C.-H. Choi, “Multifunctional Omniphobicity of Oil-Impregnated Nanoporous Anodic Oxide Surfaces”, in Proceedings of the 1st International Symposium on Surface Treatment & Modification Technologies (STMT2017), November 21-25, 2017, Jeju, Korea.

31.    D. Song, C.-H. Choi, “Spontaneous De-icing Phenomena on Extremely Cold Surfaces”, in Proceeding of the 70th Annual Meeting of the APS Division of Fluid Dynamics, November 19-21, 2017, Denver, CO, USA.

32.    Y. Jiang, L. Cao, Z. Guo, C.-H. Choi, “Droplet Sliding on Inclined Superhydrophobic Surfaces: The Effect of Anisotropic Contact Line”, in Proceeding of the 70th Annual Meeting of the APS Division of Fluid Dynamics, November 19-21, 2017, Denver, CO, USA.

33.    R. Ozbay, Y. Jiang, A. Kibar, C.-H. Choi, “Dynamics of Contact Line Pinning/Depinning of Sliding Bubble on Super-Aerophobic Surfaces”, in Proceeding of the 70th Annual Meeting of the APS Division of Fluid Dynamics, November 19-21, 2017, Denver, CO, USA.

34.    J. Lee, C.-H. Choi, “Oil-Impregnated Nanoporous Oxide Layer of Metals for Omniphobic and Anti-Corrosive Surfaces”, in Proceedings of the 4th International Symposium on Hybrid Materials and Processing (HyMaP 2017), November 5-8, 2017, Busan, Korea.

35.    J. Lee, C.-H. Choi, “Anodized Stainless Steel for Omniphobicity and Anti-Corrosion”, in Proceedings of UKC2017: The 2017 US-Korea Conference on Science, Technology and Entrepreneurship, August 9-12, 2017, Washington, DC, USA.

36.    J. Lee, C.-H. Choi, “Enhancement of Radiative Heat Dissipation of Aluminum Alloy by Anodizing and Sealing”, in Proceedings of UKC2017: The 2017 US-Korea Conference on Science, Technology and Entrepreneurship, August 9-12, 2017, Washington, DC, USA.

37.    Y. Jiang, Z. Guo, C.-H. Choi, “The Origin of Droplets’ Retention on Superhydrophobic Surfaces”, in Proceedings of the 3rd International Conference on Droplets (Droplet 2017), July 24-26, 2017, Los Angeles, CA, USA.

38.    J. Lee, C.-H. Choi, “Bio-Inspired Nanoporous Composite Oxide Layer with Oil Impregnation for AntiCorrosion”, in Proceedings of the 25th Annual International Conference on Composites/Nano Engineering (ICCE-25), July 16-22, 2017, Rome, Italy.

39.    Y. Jiang, J. Xu, E.-H. Yang, C.-H. Choi, “Effects of Nanostructures on Tunable Droplet Mobility on Conjugated Polymer Surfaces”, in Proceedings of the 91th ACS Colloid & Surface Science Symposium, July 9-12, 2017, New York, NY, USA.

40.    W. Xu, J. Xu, X. Li, Y. Tian, C.-H. Choi, Eui-Hyeok Yang, “Lateral Actuation of an Organic Droplet on Conjugated Polymer Electrodes”, in Proceedings of the 91th ACS Colloid & Surface Science Symposium, July 9-12, 2017, New York, NY, USA.

41.    W. Xu, A. Palumbo, J. Xu, Y. Jiang, C.-H. Choi, Eui-Hyeok Yang, “On-Demand Capture and Release of Organic Droplets on Surfactant-Doped Polypyrrole Surfaces”, in Proceedings of the 91th ACS Colloid & Surface Science Symposium, July 9-12, 2017, New York, NY, USA.

42.    D. Song, C.-H. Choi, “Spontaneous De-Icing Phenomena on Extremely Cold Surfaces”, in Proceedings of the 7th International Colloids Conference, June 18-21, 2017, Sitges, Barcelona, Spain.

43.    F. Hizal, C.-H. Choi, “Bacterial Transmission Between Smooth and Nanopillared Surfaces”, in Proceedings of the 7th International Colloids Conference, June 18-21, 2017, Sitges, Barcelona, Spain.

44.    Y. Jiang, Z. Guo, C.-H. Choi, “Retention of Particle-Laden Droplets on Superhydrophobic Surfaces: The Role of Capillary Bridge Rupture”, in Proceedings of the 7rd Northeast Complex Fluids and Soft Matter Workshop (NCS7), May 26, 2017, Princeton, NJ, USA.

45.    J. Lee, C.-H. Choi, “Oil-Impregnated Aluminum Anodic Oxide Layer with Bottle-Shaped Pores for Enhanced Anti-Corrosion and Self-Healing Properties”, in Proceedings of PRiME 2016: Pacific Rim Meeting on Electrochemical and Solid-State Science, Oct. 2-7, 2016, Honolulu, HI.

46.    J. Lee, Y. Jiang, C.-H. Choi, “Oil-Impregnated Nanoporous Oxide Layer of Anodized Stainless Steel for Omniphobic and Anti-Corrosive Surfaces”, in Proceedings of PRiME 2016: Pacific Rim Meeting on Electrochemical and Solid-State Science, Oct. 2-7, 2016, Honolulu, HI.

47.    J. Lee, C.-H. Choi, “Oil-Impregnated Anodic Aluminum Oxide Layer for Enhanced Anti-Corrosion and Self-Healing Properties”, in Proceedings of UKC2016: The 2016 US-Korea Conference on Science, Technology and Entrepreneurship, August 10-13, 2016, Dallas, TX, USA. (invited)

48.    G.H. Ban, J. Lee, J. Lee, Y. Li, C.-H. Choi, S. Jun, “Nano-Engineered Sanitation Surfaces for Prevention of Bacterial Adhesion”, in Proceedings of the International Association for Food Protection Annual Meeting (IAFP 2016), August 1-2, 2016, St. Louis, MO, USA.

49.    M. Sarshar, C. Swartz, C.-H. Choi, “Icephobicity of Superhydrophobic Surfaces: Effects of Environmental Conditions”, in Proceedings of the 10th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2016, Hoboken, NJ, USA.

50.    R. Ozbay, A. Kibar, C.-H. Choi, “Bubble Adhesion on Superaerophobic Surfaces: Effects of Surface Morphology”, in Proceedings of the 10th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2016, Hoboken, NJ, USA.

51.    J. Lee, Y. Jiang, C.-H. Choi, “Oil-Impregnated Anodic Aluminum Oxide Layers for Omniphobic Surfaces”, in Proceedings of the 10th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2016, Hoboken, NJ, USA.

52.    A. Kibar, R. Ozbay, C.-H. Choi, “Air Bubble Detachment on Superhydrophobic Surfaces”, in Proceedings of the 10th International Symposium on Contact Angle, Wettabiity and Adhesion, July 13-15, 2016, Hoboken, NJ, USA.

53.    R. Ozbay, A. Kibar, C.-H. Choi, “Adhesion and Sliding Dynamics of Air Bubbles on Superhydrophobic Surfaces”, in Proceedings of the 9th International Conference on Multiphase Flow, May 22-27, 2016, Firenze, Italy.

54.    Y. Jiang, W. Xu, K. Connington, C.-H. Choi, “Effects of Nanoparticles on the Depinning Force of a Receding Droplet on Micropatterned Superhydrophobic Surfaces”, in Proceedings of the 9th International Conference on Multiphase Flow, May 22-27, 2016, Firenze, Italy.

55.    M. Sarshar, C.-H. Choi, “Depinning of Water Droplets on Pillared Superhydrophobic Surfaces under Dynamic Icing Conditions”, in Proceedings of the 9th International Conference on Multiphase Flow, May 22-27, 2016, Firenze, Italy.

56.    A. Chauvin, C. Delacote, L. Molina-Luna, M. Boujtita, D. Thiry, K. Du, J. Ding, C.-H. Choi, B. Humbert, J.-Y. Mevellec, P.-Y. Tessier, and A.-A. El Mel, "Two-Step Approach for the Nanofabrication of Highly Ordered Ultra-Long Porous Gold Nanowires with an Adjustable Porosity for SERS-based Sensors", in Proceedings of the 2016 TechConnect World Innovation Conference and Expo, May 22-25, 2016, National Harbor, Maryland, USA.

57.    A. Kibar, R. Ozbay, C.-H. Choi, “Air Bubble Departure on a Superhydrophobic Surface”, in Proceedings of the 8th Ege Energy Symposium and Exhibition, May 11-13, 2016, Afyonkarahisar, Turkey.

58.    A.-A. El Mel, L. Molina-Luna, M. Buffière, P.-Y. Tessier, K. Du, C.-H. Choi, H.-J. Kleebe, S. Konstantinidis, C. Bittencourt, R. Snyders, “Steering Atomic Diffusion in Oxide Nanotubes in situ via a Direct Control of Local Defects Created by E-beam Irradiation” in Proceedings of the European Materials Research Society Spring Meeting, May 2-6, 2016, Lille, France.

59.    A. Chauvin, C. Delacote, L. Molina-Luna, E. Gautron, N. Gautier, M. Boujtita, D. Thiry, J. Ding, C.-H. Choi, P.Y. Tessier, A.-A. El Mel, “Surface Engineering of Nanowire by Direct Control of Defects on the Nanoscale” in Proceedings of the European Materials Research Society Spring Meeting, May 2-6, 2016, Lille, France.

60.    C.-H. Choi, “Hydrodynamic Friction Reduction in Microfluidics: From Droplet to Channel Flow”, in Proceedings of the 8th Workshop of Chemical and Biological Micro Laboratory Technology (CBM-8), February 23-26, 2016, Ilmenau, Germany. (invited)

61.    F. Hizal, I. Zhuk, S. Sukhishvili, H. J. Busscher, H. C. van der Mei, C.-H. Choi, “Bacteria-Triggered Self-Defensive Antibiotic Coating: Effect of 3D Hierarchical Nanostructures”, in Proceedings of the 9th International Symposium on Nature-Inspired Technology, January 13-15, 2016, Daejeon, Korea. (invited)

62.    C.-H. Choi, “Multifunctional Superhydrophobic Coatings for Naval Applications”, in Proceedings of the Pacific Polymer Conference 14, December 9-13, 2015, Kauai, Hawaii, USA. (invited)

63.    C.-H. Choi, “Bioinspired Nanoengineering of Multifunctional Superhydrophobic Surfaces”, in Proceedings of the Korean Society of Surface Engineering Fall Workshop, November 25-27, 2015, Gwangju, Gyeonggi, Korea. (invited)

64.    C.-H. Choi, “Icing on Superhydrophobic Surfaces”, in Proceedings of the Korean Society of Thermal Engineering Workshop, November 26, 2015, Seoul, Korea. (invited)

65.    C.-H. Choi, “Nanoengineering of Bioinspired Multifunctional Surfaces”, in Proceedings of the Korea Institute of Machinery and Materials Workshop, August 18, 2015, Gangneung, Gangwon, Korea. (invited)

66.    F. Hizal, N. Rungraeng, S. Jun, C.-H. Choi, “Nanoengineered Surfaces for Prevention of Bacteria Adhesions”, in Proceedings of UKC2015: The 2015 US-Korea Conference on Science, Technology and Entrepreneurship, July 29 – August 1, 2015, Atlanta, GA, USA. (invited)

67.    F. Hizal, N. Rungraeng, S. Jun, C.-H. Choi, “Nanoengineered Surfaces for Prevention of Bacteria Adhesions”, in Proceedings of the 3rd Stevens Conference on Bacteria-Material Interactions, June 17-18, 2015, Hoboken, NJ, USA. (invited)

68.    C.-H. Choi, “Superhydrophobic Surfaces for Microfluidics and Lab-on-a-Chip Applications”, in Proceedings of the Microfluidic and Lab-on-a-Chip India, January 22-23, 2015, Mumbai, India. (Invited for Keynote Presentation)

69.    C.-H. Choi, “Ultra-Low-Voltage Manipulation of Microdroplets using Electrochemical Redox Process of Smart Polymers”, in Proceedings of the Microfluidic and Lab-on-a-Chip India, January 22-23, 2015, Mumbai, India. (invited)

70.    C.-H. Choi, “Hydrodynamic Frictions on Superhydrophobic Surfaces”, in Proceedings of the Northeast Complex Fluids and Soft Matter Workshop, January 16, 2015, Newark, NJ, USA. (Invited for Plenary Talk).

71.    W. Xu, X. Li, Y. Tian, H. Bisaria, A. Palumbo, E. Cook, C.-H. Choi, E.-H. Yang, “Manipulation of Microdroplets at Ultra-Low Voltages on Conjugated Polymer”, in Proceedings of ASME 2014 International Mechanical Engineering Congress (IMECE), November 14-20, 2014, Montreal, Canada.

72.    F.T. Fisher, R. S. Besser, K. Sheppard, C.-H. Choi, and E.H. Yang, “An Approach for Introducing Concepts of Nanotechnology within the Undergraduate Curriculum”, in Proceedings of ASEE Mid-Atlantic Section Fall 2014 Conference, November 14-15, 2014, Swarthmore, PA, USA.

73.    Y. Lu, M. A. Sarshar, K. Du, T. Chou, C.-H. Choi, S. A. Sukhishvili, “Reversible Wetting Transitions enabled by pH-Responsive Layer-by-Layer Hydrogels”, in Proceedings of the Layer-by-Layer Assemblies: Science and Technology, June 23-25, 2014, Hoboken, NJ

74.    M. A. Sarshar, Y. Jiang, W. Xu, C.-H. Choi, “Theoretical Models for Depinning Forces of Evaporating Droplets on Pillared Superhydrophobic Surfaces”, in Proceedings of the 88th ACS Colloid & Surface Science Symposium, June 22-25, 2014, Philadelphia, PA, USA.

75.    Y. Jiang, M. A. Sarshar, W. Xu, C.-H. Choi, “Effects of Three-Phase Contact Line on Contact Angle Hysteresis and Depinning Force on Micro-Porous Hydrophobic Surfaces”, in Proceedings of the 88th ACS Colloid & Surface Science Symposium, June 22-25, 2014, Philadelphia, PA, USA.

76.    R. Ozbay, A. Kibar, C.-H. Choi, “Bubble Adhesions on Micropillared Super-Aerophobic Surfaces”, in Proceedings of the 88th ACS Colloid & Surface Science Symposium, June 22-25, 2014, Philadelphia, PA, USA.

77.    W. Xu, C.-H. Choi, E.-H. Yang, “Tunable Wetting and Adhesion of Doped Polypyrrole Surface for Ultra-Low-Voltage Manipulation of Microdroplets”, in Proceedings of the 88th ACS Colloid & Surface Science Symposium, June 22-25, 2014, Philadelphia, PA, USA.

78.    M. A. Sarshar, Y. Jiang, W. Xu, C.-H. Choi, “Analytical Models of Depinning Forces of Evaporating Droplets on Superhydrophobic Surfaces”, in Proceedings of the 9th International Symposium on Contact Angle, Wettabiity and Adhesion, June 16-18, 2014, Bethlehem, PA, USA.

79.    Y. Jiang, M. A. Sarshar, W. Xu, C.-H. Choi, “Contact Angle Hysteresis and Depinning Force on Hydrophobic Porous Surfaces”, in Proceedings of the 9th International Symposium on Contact Angle, Wettabiity and Adhesion, June 16-18, 2014, Bethlehem, PA, USA.

80.    R. Ozbay, A. Kibar, C.-H. Choi, “Bubble Adhesions on Surfaces of Various Wettabilities: Effect of Bubble Volumes”, in Proceedings of the 9th International Symposium on Contact Angle, Wettabiity and Adhesion, June 16-18, 2014, Bethlehem, PA, USA.

81.    W. Xu, C.-H. Choi, E.-H. Yang, “Transportation of Microdroplet at Ultra-Low Voltages by Tunable Wetting on Conjugated Polymer Electrodes”, in Proceedings of the 9th International Symposium on Contact Angle, Wettabiity and Adhesion, June 16-18, 2014, Bethlehem, PA, USA.

82.    K. Du, J. Ding, I. Wathuthanthri, C.-H. Choi, “Patterning of High-Aspect-Ratio Nanostructures on Microtrenches using Stencil Lithography of Free-Standing Tri-Layer Membrane”, in Proceeding of the 58th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 27-30, 2014, Washington DC, USA.

83.    J. Ding, K. Du, I. Wathuthanthri, C.-H. Choi, F. Fisher, E.-H. Yang, “Patterning of Large-Area Graphene Nanostructures via Holographic Lithography and O2 Plasma Etching”, in Proceeding of the 58th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 27-30, 2014, Washington DC, USA.

84.    I. Wathuthanthri, K. Du, C.-H. Choi, “Nanoparticles-Decorated Nanocone Array of Gold for Anti-Reflective Enhancement of SERS Sensing”, in Proceeding of the 58th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 27-30, 2014, Washington DC, USA.

85.    W. Xu, X. Li, A. Palumbo, C.-H. Choi, E.-H. Yang, “Bi-Directional Switching of Microdroplet Adhesion on Doped Polypyrrole Microstructures”, in Proceedings of the Hilton Head 2014 Solid-State Sensors, Actuators & Microsystems Workshop, June 8-12, 2014, Hilton Head Island, SC.

86.    F. Hizal, N. Rungraeng, S. Jun, C.-H. Choi, “Nano-Engineered Alumina Surfaces for Prevention of Bacteria Adhesions”, in Proceeding of the 9th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS), April 13-16, 2014, Waikiki Beach, Hawaii, USA. (Best Student Paper Award)

87.    A.-A. El Mel, M. Buffière, P.-Y. Tessier, K. Du, C.-H. Choi, L. Molina-Luna, S. Schildt, H. J. Kleebe, S. Konstantinidis, C. Bittencourt, R. Snyders, “Fabrication and Controlled in situ Morphological Transformation of Highly Ordered Hollow Oxide Nanostructures Based on Nanoscale Kirkendall Effect”, in Proceedings of AVS 60th International Symposium & Exhibition, October 27-November 1, 2013, Long Beach, California.

88.    A.-A. El Mel, M. Buffière, S. Konstantinidis, P.-Y. Tessier, W. Xu, K. Du, C.-H. Choi, C. Bittencourt, R. Snyders, “Understanding the Kirkendall Effect at the Nanoscale in Cu/CuO”, in Proceedings of IVC-19/ICSS-15 and ICN+T 2013, September 9-13, 2013, Paris, France.

89.    L. Molina-Luna, S. Schildt, M. Buffière, K. Du, C.-H. Choi, H. J. Kleebe, R. Snyders, C. Bittencourt, A.-A. El Mel, “In vivo Study of the Morphological Transformation of Hollow Oxide Nanostructures upon in situ Annealing in a Transmission Electron Microscope”, in Proceedings of Microscopy Conference (MC) 2013, August 25-30, 2013, Regensburg, Germany.

90.    W. Xu, Y. Tian, H. Bisaria, P. Ahn, C.-H. Choi, E.-H. Yang, “Transportation of a Liquid Droplet at Ultra-Low Voltages by Tunable Wetting on Conjugated Polymer Electrodes”, in Proceedings of Transducers 2013 & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, June 16-20, 2013, Barcelona, Spain.

91.    K. Du, Y. Liu, I. Wathuthanthri, C.-H. Choi, “Fabrication of Hierarchical Nanostructures using Free-Standing Tri-Layer Membrane”, in Proceeding of the 57th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 28-31, 2013, Nashville, Tennessee, USA.

92.    Y. Liu, K. Du, I. Wathuthanthri, C.-H. Choi, “Fabrication of Nano-Bowl Arrays via Simple Holographic Patterning and Lift-off Process”, in Proceeding of the 56th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 28-31, 2013, Nashville, Tennessee, USA.

93.    I. Wathuthanthri, K. Du, C.-H. Choi, “Plasmonic Nanogap Arrays Fabricated via Moiré Holographic Lithography”, in Proceeding of the 56th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 28-31, 2013, Nashville, Tennessee, USA.

94.    A. Kibar, R. Ozbay, M. A. Sarshar, Y. T. Kang, C.-H. Choi, “Air Bubble Movement over and under Hydrophobic Surfaces in Water”, in Proceedings of the 8th International Conference on Multiphase Flow, May 26-31, 2013, Jeju, Korea.

95.    W. Xu, Y. Tian, H. Bisaria, P. Ahn, X. Li, Y.-T. Tsai, C.-H. Choi, E.-H. Yang, “A Low-Voltage Manipulation via Tunnable Wetting on Polypyrrole(DBS) surface”, in Proceedings of TechConnect World 2013 – Nanotech, Microtech, Biotech, Cleantech Joint 2013 Conferences, May 12-16, 2013, National Harbor, Maryland.

96.    A.-A. El Mel, M. Buffière, P.-Y. Tessier, W. Xu, K. Du, C.-H. Choi, S. Konstantinidis, C. Bittencourt, R. Snyders, “Fabrication of Highly Ordered Hollow Oxide Nanostructures Based on Nanoscale Kirkendall Effect and Oswald Ripening”, in Proceedings of the 5th IEEE International Nanoelectronics Conference (INEC 2013), January 2-4, 2012, Singapore.

97.    C.-H. Choi, “Nano-Engineered Surfaces for Energy Saving Applications”, in Proceedings of the International Symposium on Nature-Inspired Technology (ISNIT 2013), January 6-9, 2013, Yongpyong, Gangwon, Korea. (invited)

98.    Y.-T Tsai, C.-H. Choi, E.-H. Yang, “Water Droplet Manipulation by Tunable Wetting on Smart Polymer at Ultra-Low Voltages”, in Proceedings of the 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2012), October 28 - November 1, 2012, Okinawa, Japan.

99.    C. Jeong, W. Xu, K. Du, C.-H. Choi, “Corrosion Resistance of Nanoporous Superhydrophobic Surfaces of Anodic Aluminum Oxide”, in Proceedings of PRiME 2012: Pacific Rim Meeting on Electrochemical and Solid-State Science, Oct. 7-12, 2012, Honolulu, HI.

100. C. Jeong, C.-H. Choi, “Stepwise Anodizing Processes for Hierarchical Nanoporous Structures”, in Proceedings of PRiME 2012: Pacific Rim Meeting on Electrochemical and Solid-State Science, Oct. 7-12, 2012, Honolulu, HI.

101. C. Jeong, C.-H. Choi, “Anodizing of Pillar-on-Pore Hybrid Nanostructures for Superhydrophobic Surfaces of Aluminum”, in Proceedings of UKC2012: The 2012 US-Korea Conference on Science, Technology, & Entrepreneurship, August 8-11, 2012, Los Angeles, CA.

102. C.-H. Choi, “Characterization of Superhydrophobic Surfaces for Anti-Icing in Dynamic Flow Conditions”, in Proceedings of ASME 2012 10th International Conference on Nanochannels, Microchannels and Minichannels (ICNMM), July 8-12, 2012, Puerto Rico, USA.

103. C.-H. Choi, “Evaporation Kinetics of Sessile Droplets on Superhydrophobic Surfaces”, in Proceedings of ASME 2012 10th International Conference on Nanochannels, Microchannels and Minichannels (ICNMM), July 8-12, 2012, Puerto Rico, USA.

104. W. Xu, C.-H. Choi, “Is a Superhydrophobic Surface Really Slippery?: A New Criterion to Determine the Stickiness of Superhydrophobic Surfaces”, in Proceedings of the 8th International Symposium on Contact Angle, Wettabiity and Adhesion, June 13-15, 2012, Quebec City, Quebec, Canada.

105. M. A. Sarshar, C. F. Swarctz, C.-H. Choi, “Ice Adhesion on Superhydrophobic Surfaces”, in Proceedings of the 8th International Symposium on Contact Angle, Wettabiity and Adhesion, June 13-15, 2012, Quebec City, Quebec, Canada.

106. W. Xu, C.-H. Choi, “Dryout Pattern of Colloid Droplet on Superhydrophobic Surfaces”, in Proceedings of the 86th ACS Colloid & Surface Science Symposium, June 10-13, 2012, Baltimore, Maryland, USA.

107. K. Du, Y. Liu, I. Wathuthanthri, C.-H. Choi, “Effects of Hydrophobic Coatings on the Superhydrophobic Wetting Properties of 3-D Hierarchical Nanostructures”, in Proceedings of the 86th ACS Colloid & Surface Science Symposium, June 10-13, 2012, Baltimore, Maryland, USA.

108. Y. Liu, K. Du, I. Wathuthanthri, C.-H. Choi, “From Nanocone to Nanodisk: Structural Transformation of Nanoarrays via Mechanical Stresses”, in Proceeding of the 56th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 29 - June 1, 2012, Waikoloa, Hawaii, USA.

109. K. Du, Y. Liu, I. Wathuthanthri, W. Xu, C.-H. Choi, “Fabrication of Polymer Nanostructures via Maskless O2 Plasma Etching”, in Proceeding of the 56th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 29 - June 1, 2012, Waikoloa, Hawaii, USA.

110. K. Du, Y. Liu, I. Wathuthanthri, W. Xu, C.-H. Choi, “Nanopatterning of Disconnected Metal Nanostructures on Polydimethylsiloxane (PDMS) Substrate by Using Free-Standing Photoresist Film as Stencil Lithography Mask”, in Proceeding of the 56th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 29 - June 1, 2012, Waikoloa, Hawaii, USA.

111. K. Du, Y. Liu, I. Wathuthanthri, W. Xu, C.-H. Choi, “Nanopatterning of PDMS Substrates via Novel Lift-off Process of Free-Standing Photoresist Film”, in Proceedings of the 3nd Conference on Advances in Microfluidics and Nanofluidics (AMN), May 23-26, 2012, Dalian, China.

112. E. Aljallis, M. A. Sarshar, C.-H. Choi, “Measurement of Skin Friction Drag in High Reynolds Number Turbulent Flow over Superhydrophobic Flat Plates”, in Proceedings of the Eighth KSME-JSME Thermal and Fluids Engineering Conference, March 18-21, 2012, Incheon, Korea.

113. M. A. Sarshar, C. Swarctz, C.-H. Choi, “Anti-Icing Mechanics on Nanostructured Superhydrophobic Surfaces: Effects of Contact Angle Hysteresis”, in Proceedings of the Eighth KSME-JSME Thermal and Fluids Engineering Conference, March 18-21, 2012, Incheon, Korea.

114. W. Xu, C.-H. Choi, “Sessile Droplet Evaporation on Superhydrophobic Surfaces: Effects of a Contact Line on Depinning Forces”, in Proceedings of the Eighth KSME-JSME Thermal and Fluids Engineering Conference, March 18-21, 2012, Incheon, Korea.

115. Y.-T. Tsai, C.-H. Choi, E.-H. Yang, “Ultra-Low-Voltage Droplet Manipulation via Tunable Wetting of Polypyrrole Polymers for Digital Microfluidics”, in Proceedings of the Eighth KSME-JSME Thermal and Fluids Engineering Conference, March 18-21, 2012, Incheon, Korea.

116. Y. Liu, K. Du, I. Wathuthanthri, W. Xu, C.-H. Choi, “3-D Nanofabrication using Nanostructured Photoresist Film as Free-Standing Appliqué”, in Proceedings of MEMS 2012: The 25th International Conference on Micro Electro Mechanical Systems, January 29 - February 2, 2012, Paris, France.

117. E. Aljallis, M. A. Sarshar, R. Datla, S. Hunter, J. Simpson, V. Sikka, A. Jones, C.-H. Choi, “Measurement of hydrodynamic friction drag on superhydrophobic flat plates in high Reynolds number flows”, in Proceedings of ASME 2011 International Mechanical Engineering Congress (IMECE), November 11-17, 2011, Denver, Colorado, USA.

118. M. A. Sarshar, C. Swarctz, S. Hunter, J. Simpson, C.-H. Choi, “Superhydrophobic surface properties for anti-icing”, in Proceedings of ASME 2011 International Mechanical Engineering Congress (IMECE), November 11-17, 2011, Denver, Colorado, USA.

119. A.-A. El Mel, A. Achour, W. Xu, C.-H. Choi, E. Gautron, B. Angleraud, A. Granier, L. Le Brizoual, M. A. Djouadi, P.-Y. Tessier, “Hierarchical Carbon Nanostructures Design: Ultra-Long Carbon Nanofibers Decorated with Carbon Nanotubes”, in Proceedings of NanoteC11 Carbon Nanoscience and Nanotechnology, August 31 - September 3, 2011, Nantes, France.

120. A.A. El Mel, E. Gautron, B. Angleraud, A. Granier, W. Xu, C.-H. Choi, K. J. Briston, B. J. Inkson, P.Y. Tessier, “Template Assisted Plasma Deposition Method for the Synthesis of Ordered Nanowires Array”, in Proceedings of the 18th International Colloquium on Plasma Processes, July 4-8, 2011, Nantes, France.

121. I. Wathuthanthri, C.-H. Choi, “Single-Step Interferometric Patterning of High-Aspect-Ratio Three-Dimensional Nanostructures”, in Proceeding of the 55th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 31 - June 3, 2011, Las Vegas, Nevada, USA.

122. K. Du, I. Wathuthanthri, W. Xu, C.-H. Choi, “Large-Area Pattern Transfer of Metal Nanostructures via Interference Lithography”, in Proceeding of the 55th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN), May 31 - June 3, 2011, Las Vegas, Nevada, USA.

123. A.A. El Mel, W. Xu, C.-H. Choi, E. Gautron, B. Angleraud, A. Granier, P.Y. Tessier, “Non-Catalytic Method to Prepare Organized Nickel-Carbon Nanofibers on Nanopatterned Silicon Substrates”, in Proceedings of the International Conference on Metallurgical Coatings and Thin Films, May 2-6, 2011, San Diago, CA, USA.

124. W. Mao, I. Wathuthanthri, C.-H. Choi, “Tunable Two-Mirror Interference Lithography System for Large-Area Nano-Patterning”, in Proceedings of SPIE Advanced Lithography, February 27 - March 3, 2011, San Jose, CA, USA.

125. E. Aljallis, C.-H. Choi, “Nanofluidic Energy Harvesting: Electrokinetic Energy Conversion Efficiency in Hydrodynamic Slip Boundary Conditions”, in Proceedings of the 2nd conference on Advances in Microfluidics and Nanofluidics (AMN) and Asian-Pacific International Symposium on Lab on Chip (APLOC), January 5-7, 2011, Singapore.

126. K. Du, W. Xu; I. Wathuthanthri, C.-H. Choi, “Large-Area Pattern Transfer of Metal Nanostructures on PDMS via Interference Nanolithography”, in Proceedings of the 2nd conference on Advances in Microfluidics and Nanofluidics (AMN) and Asian-Pacific International Symposium on Lab on Chip (APLOC), January 5-7, 2011, Singapore (invited).

127. C. Swarctz, E. Aljallis, S. Hunter, J. Simpson, C.-H. Choi, “Characterization of Superhydrophobic Surfaces for Anti-Icing in a Low-Temperature Wind Tunnel”, in Proceedings of ASME 2010 International Mechanical Engineering Congress (IMECE), November 12-18, 2010, Vancouver, British Columbia, Canada.

128. C.-H. Wang, C.-H. Choi, “Optimized Design of Regenerative Blowers for Enhanced Efficiency”, in Proceedings of ASME 2010 International Mechanical Engineering Congress (IMECE), November 12-18, 2010, Vancouver, British Columbia, Canada.

129. A.A. El Mel, M. Buffiere, F. Massuyeau, E. Gautron, C.-H. Choi, W. Xu, B. Angleraud, A. Granier, N. Barreau, J. Wery, E. Faulques, P.Y. Tessier, “Microstructure and Photoluminescence Study of ZnO Nanofibers Deposited by Plasma Process”, in Proceedings of Materiaux 2010, October 18-22, 2010, Nantes, France.

130. K. Du, I. Wathuthanthri, W. Mao, W. Xu, C.-H. Choi, “Fabrication of Metallic Nanostructures on Large-Area Transparent Substrates”, in Proceedings of Stevens MEMS/NEMS Workshop, July 26, 2010.

131. Y.-T. Tsai, N. Gao, C.-H. Choi, E.-H. Yang, “Droplet Manipulation with Tunable Wetting of Polypyrrole Surfaces via Redox”, in Proceedings of Stevens MEMS/NEMS Workshop, July 26, 2010.

132. W. Xu, R. Leeladhar, C.-H. Choi, “Effects of Micro and Nano Particles on Wetting Dynamics of Evaporating Droplets on Superhydrophobic Surfaces”, in Proceedings of the 7th International Symposium on Contact Angle, Wettability and Adhesion, June 23-25, 2010, Danbury, CT, USA.

133. Y-T Tsai, C.-H. Choi, E-H Yang, “Droplet Actuation in PPy Redox Process”, in Proceedings of Microtech Conference & Expo 2010, June 21-24, 2010, Anaheim, CA.

134. A.A. El Mel, C.-H. Choi, B. Angleraud, E. Gautron, A. Granier, P.Y. Tessier, “Metal-Carbon Composite Nanofibers Elaborated by a Hybrid Plasma Process PVD/PECVD”, in Proceedings of E-MRS 2010 Spring Meeting, June 7-11, 2010, Strasbourg, France.

135. Wei Xu, C.-H. Choi, “Drying of Colloidal Droplets on Superhydrophobic Surfaces”, in Proceedings of Faraday Discussion 146: Wetting Dynamics of Hydrophobic and Structured Surfaces, April 12-14, 2010, Richmond, VA.

136. R. Leeladhar, W. Xu, C.-H. Choi, “Effects of Nanofluids on Droplet Evaporation and Wetting on Nanoporous Superhydrophobic Surfaces”, in Proceedings of ASME 2009 2nd Micro/Nanoscale Heat and Mass Transfer (MNHMT) International Conference, December 18-22, 2009, Shanghai, China.

137. W. Xu, C.-H. Choi, “Effects of Structural Topography on Nanofluids Droplet Evaporation on Multifarious Superhydrophobic Surfaces”, in Proceedings of ASME 2009 2nd Micro/Nanoscale Heat and Mass Transfer (MNHMT) International Conference, December 18-22, 2009, Shanghai, China.

138. I. Wathuthanthri, C.-H. Choi, “Tunable Lloyd-Mirror Interferometer for Large-Area Nanopatterning”, in Proceedings of ASME 2009 International Mechanical Engineering Congress (IMECE), November 15-19, 2009, Orlando, FL, USA.

139. R. Leeladhar, W. Xu, C.-H. Choi, “Evaporation of Nanoparticles Droplets on Nano-Porous Superhydrophobic Surfaces”, in Proceedings of ASME 2009 International Mechanical Engineering Congress (IMECE), November 15-19, 2009, Orlando, FL, USA.

140. W. Xu, C.-H. Choi, “Nanofluids Evaporation Kinetics on Microstructured Superhydrophobic Surfaces”, in Proceedings of ASME 2009 International Mechanical Engineering Congress (IMECE), November 15-19, 2009, Orlando, FL, USA.

141. R. Leeladhar, W. Xu, Y.-T. Tsai, E.-H. Yang, C.-H. Choi, “Nanowire Self-Assembly in Droplet Evaporation on Superhydrophobic Surfaces”, in Proceedings of the 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2009), November 1-5, 2009, Jeju, Korea.

142. W. Xu, C.-H. Choi, “Evaporation Kinetics of Nanofluid Droplets on Superhydrophobic Surfaces”, in Proceedings of the 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2009), November 1-5, 2009, Jeju, Korea.

143. C.-H. Choi, C.-J. Kim, “Cell Growth on Three-Dimensional Sharp-Tip Nanostructures of Hydrophilic and Hydrophobic Surfaces”, in Proceedings of the 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2009), November 1-5, 2009, Jeju, Korea.

144. C. Lee, C.-H. Choi, C.-J. Kim, “Structured Surfaces for a Giant Liquid Slip”, in Proceedings of the 7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics, June 28 - July 3, 2009, Krakow, Poland.

145. C.-H. Choi, “Nanofluidic Energy Harvesting”, in Proceedings of E2 – Alternative Energy Workshop, June 2, 2009, Hoboken, NJ, USA. (invited)

146. C.-H. Choi, C.-J. Kim, “Nanostructured Surfaces for Anti-Biofouling/Anti-Microbial Applications”, in Proceedings of the SPIE Defense, Security, and Sensing, April 13-17, 2009, Orlando, FL, USA.

147. Y.-T. Tsai, W. Xu, E.-H. Yang, C.-H. Choi, “Interfacial-Tension-Directed Self-Assembly of Nanowires on a Superhydrophobic Surface”, in Proceedings of ASME 2008 International Mechanical Engineering Congress (IMECE), November 2-6, 2008, Boston, MA, USA.

148. C. Lee, C.-H. Choi, C.-J. Kim, “Effect of Geometric Parameters of Superhydrophobic Surface on Liquid Slip”, in Proceedings of ASME 2008 International Mechanical Engineering Congress (IMECE), November 2-6, 2008, Boston, MA, USA.

149. C.-H. Choi, C.-J. Kim, “Droplet Evaporation in Nanostructured Superhydrophobic Surfaces”, in Proceedings of the 12th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2008), October 12-16, 2008, San Diego, CA, USA.

150. S. H. Hagvall, C.-H. Choi, C.-J. Kim, J. C. Y. Dunn, B. M. Wu, R. E. Beygui, “Cell Interactions with 3D Nanostructures”, in Proceedings of the 7th Annual UC Systemwide Bioengineering Symposium, June 24-26, 2006, UCLA De Neve Plaza, Los Angeles, CA, USA.

151. S. H. Hagvall, C.-H. Choi, J. C. Y. Dunn, B. M. Wu, C.-J. Kim, R. E. Beygui, “Cell Interactions with 3D Nanostructures”, in Proceedings of the International Society for Applied Cardiovascular Biology (ISACB): The 10th Biennial Meeting, March 8-11, 2006, LaJolla, CA, USA.

152. C.-H. Choi, S. H. Hagvall, J. C. Y. Dunn, B. M. Wu, C.-J. Kim, “Cell Adhesions on NanoTurf Surfaces”, in Proceedings of MEMS 2006: The 19th International Conference on Micro Electro Mechanical Systems, January 22-26, 2006, Istanbul, Turkey.

153. C.-H. Choi, C.-J. Kim, “Cell Adhesions on NanoTurf Surfaces”, in Proceedings of the 1st UCLA-Postech Joint Symposium on BioMEMS, January 19, 2006, Los Angeles, CA, USA.

154. C.-H. Choi, C.-J. Kim, “Measurement of Liquid Slip on NanoTurf Surfaces”, in Proceedings of ASME 4th Integrated Nanosystems Conference (NANO2005), September 12-14, 2005, University of California, Berkeley, CA, USA.

155. C.-H. Choi, C.-J. Kim, “Control of Sidewall Profile of Silicon Nanostructures in Bosch Process and Its Use for Sharp Tip Fabrication”, in Proceedings of UKC2005: The 2005 US-Korea Conference on Science, Technology, & Entrepreneurship, August 11-13, 2005, Irvine, CA, USA.

156. C.-H. Choi, C.-J. Kim, “Fabrication of Silicon Nanostructures with Various Side Wall Profiles and Sharp Tips”, in Proceedings of Transducers’05: The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, June 5-9, 2005, Seoul, Korea.

157. C.-H. Choi, C.-J. Kim, “Fabrication of Silicon Nanostructures with Various Sidewall Profiles and Sharp Tips”, in Proceedings of the 2nd UCLA-Postech Joint Workshop on Current MEMS Research, June 3, 2005, Pohang, Korea.

158. C.-J. Kim, C.-H. Choi, “Nano-Engineered Low Friction Surface for Liquid Flow”, in Proceedings of the 6th KSME-JSME Thermal and Fluids Engineering Conference, March 20-23, 2005, Jeju, Korea.

159. C.-H. Choi, J. Kim, C.-J. Kim, “NanoTurf Surfaces for Reduction of Liquid Flow Drag in Microchannels”, in Proceedings of ASME 2004 3rd Integrated Nanosystems Conference (NANO2004), September 22-24, 2004, Pasadena, CA, USA.

160. C.-H. Choi, J. Kim, C.-J. Kim, “Nano-engineered Low-friction Surface for Liquid Flow”, in Proceedings of the 14th Korean-American Scientists and Engineers Association South-Western Region Annual Technical Conference, March 6, 2004, Cerritos, CA, USA.

161. C.-H. Choi, J. Kim, U. Ulmanella, C.-M. Ho, C.-J. Kim, “Nano-Engineered Low Flow Friction Surfaces”, in Proceedings of the 1st International NanoSystems Symposium at UCLA, December 13, 2003, Los Angeles, CA, USA.

162. C.-H. Choi, J. Kim, C.-J. Kim, “Nano-Engineered Low Friction Surfaces”, in Proceedings of the DARPA/DMEA CNID (Center for Nanoscience Innovation for Defense) Review, January 27, 2003, Los Angeles, CA, USA.

163. C.-H. Choi, K. J. A. Westin, K. S. Breuer, “To Slip or Not to Slip: Water Flows in Hydrophilic and Hydrophobic Microchannels”, in Proceedings of ASME 2002 International Mechanical Engineering Congress (IMECE), November 2002, New Orleans, LA, USA. 

164. K. J. A. Westin, C.-H. Choi, P. Huang, Z. Cao, K. S. Breuer, B. Caswell, P. Richardson, M. Sibulkin, “Liquid Transport Properties in Submicron Channel Flows”, in Proceedings of ASME 2001 International Mechanical Engineering Congress (IMECE), November 2001, New York, NY, USA. 

165. K. J. A. Westin, C.-H. Choi, K. S. Breuer, “Rheological Shear Experiments in Micron Scale Geometries", in Proceedings of the 5th International Conference on Micro Total Analysis Systems (MicroTAS2001). October 2001, Monterey, CA, USA.

166. J.-M. Choi, S.-W. Choi, C.-H. Choi, K.-J. Lee, “Satellite Anomaly and Solar Array Temperature Variation”, in Proceedings of the Korean Society for Aeronautical & Space Sciences (KSAS) Spring Annual Meeting, April 2000, Korea.

167. C.-H. Choi, J.-M. Choi, S.-W. Choi, “Thermal Design & Analysis of Satellite Battery Module”, in Proceedings of the Korean Society for Aeronautical & Space Sciences (KSAS) Fall Annual Meeting, November 1999, Korea.

168. C.-H. Choi, O.-H. Rho, S.-W. Choi, “TRASYS Modeling & Thermal Analysis of KOMPSAT”, in Proceedings of the Korean Society for Aeronautical & Space Sciences (KSAS) Spring Annual Meeting, April 1996, Korea.

 

 

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