Junil Ryu

Interests & Skills

Professional & Teaching

Academic Background

Research Output

• 15 Y. W. Han^†, G. Mun^†, J. Ryu^†, R. M. Kim, Y. Soon, H. Kim, and Y. S. Jung, "Probabilistically Augmented Digital SERS Quantification via Geometry–Controlled Site-Fixed Dewetting Patterns." In Preparation
• 14 J. Ryu, D. Kim, Y.-J. Yoon, and H. Kim, "Solubility-tuned vapor-driven Marangoni actuation for rapid liquid manipulation." In Preparation
• 13 K. Shim, T. Sharma, J. Shim, J. Ryu, J. Kim, S. Roh, R. Azad, H. Kim, S. Daschakraborty, R. Raj, Y. Nam, "Switching condensation mode via vapor-phase engineering." In Preparation
• 12 J. Choi, T. Chung, J. Ryu, M. Choi, R. Yoshida, H. Kim, and Y. S. Kim, "Self-propelling Gel Actuators Driven by Autonomous Chemomechanical Marangoni Propulsion." Under Review
• 11 J. H. Kim et al. (incl. J. Ryu), "Stretchable free-form 3D electronics via on-demand direct conformal printing of liquid metal particles." Under Review
• 10 J. Ryu, A. Chen, I. Park, D. A. Weitz, and H. Kim, "Enhancing stability of double emulsion templated lipid vesicles by selective extraction of good solvent-rich traces." Proc. Natl. Acad. Sci. U. S. A. In Revision
• 9 M.-S. Lee, W. Jo, J. Ryu, et al., "Saponin-assisted fabrication of high-performance and antifouling reverse osmosis membranes." Chem. Eng. J. Accepted
• 8 H. Jun, J. Ryu, J. Kong, M. Noh, and H. Kim, "Embedded 3D Printing of Newtonian Fluids in Elasto-viscoplastic Matrix." ACS Appl. Mater. Interfaces, vol. 17, no. 47, pp. 65281–65289, 2025.
• 7 J. Ryu, C. Diddens, D. Lohse, and H. Kim, "Vapour-driven solutal Marangoni flow transition across the vapour-liquid equilibrium at the droplet contact line." J. Fluid Mech., vol. 1019, pp. A3, 2025.
• 6 S.-J. Park^†, M.-S. Lee^†, M. E. Kilic^†, J. Ryu^†, et al., "Autonomous Interfacial Assembly of Polymer Nanofilms via Surfactant-Regulated Marangoni Instability." Nano Lett., vol. 23, no. 11, pp. 4822–4829, 2023.
• 5 J. Ryu, G. Lee, W. K. Lee, J. M. Yoon, N. Koo, and H. Kim, "Volatile vapor knife of immersion lithography hood using solutal Marangoni effect." J. Vac. Sci. Technol. B, vol. 40, no. 5, pp. 052601, 2022.
• 4 J. Ryu, H. S. Ko, and H. Kim, "Vapor absorption and Marangoni flows in evaporating drops." Langmuir, vol. 38, no. 7, pp. 2185–2191, 2022.
• 3 J. Kim, J. Ryu, and H. Kim, "Reverse tracking method for concentration distribution of solutes around 2D droplet of solutal Marangoni flow with artificial neural network." J. Korean Soc. Visualization, vol. 19, no. 2, pp. 32–40, 2021.
• 2 J. Ryu, J. Kim, J. Park, and H. Kim, "Analysis of vapor-driven solutal Marangoni flows inside a sessile droplet." Int. J. Heat Mass Transf., vol. 164, pp. 120499, 2021.
• 1 J. Park^†, J. Ryu^†, and H. Kim, "Control of solutal Marangoni-driven vortical flows and enhancement of mixing efficiency." J. Colloid Interface Sci., vol. 561, pp. 408–415, 2020.

• 10 J. Ryu, D. Kim, and H. Kim, "Solubility-Gated Marangoni Actuation Enables Vapor-Based Droplet Manipulation." 78th Annual Meeting of APS Division of Fluid Dynamics, Houston (USA), Nov. 2025.
• 9 J. Ryu, D. Kim, and H. Kim, "Vapor-driven digital microfluidics." The 18th Asian Congress of Fluid Mechanics, Seoul (Korea), Sep. 2025.
• 8 J. Ryu, A. Chen, D. A. Weitz, and H. Kim, "Instability in the formation of lipid vesicles from microfluidic double emulsions." APS Global Physics Summit 2025, Anaheim (USA), Mar. 2025.
• 7 J. Ryu, C. Diddens, D. Lohse, and H. Kim, "Retardation of vapor-driven solutal Marangoni effect due to vapor absorption in the droplet." 77th Annual Meeting of APS Division of Fluid Dynamics, Salt Lake City (USA), Nov. 2024.
• 6 J. Ryu, A. Chen, T. Huang, D. A. Weitz, and H. Kim, "Understanding dewetting instability in the formation of lipid vesicles." The 26th International Congress of Theoretical and Applied Mechanics, Daegu (Korea), Aug. 2024.
• 5 J. Ryu, S.-J. Park, M.-S. Lee, M. E. Kilic, et al., "Complex membrane formation using surfactant-regulated Marangoni instability at immiscible liquid-liquid interface." 76th Annual Meeting of APS Division of Fluid Dynamics, Washington (USA), Nov. 2023.
• 4 J. Ryu, A. Chen, T. Huang, D. A. Weitz, and H. Kim, "Dewetting Instability in the Formation of Lipid Vesicles from Double Emulsions." ASME JSME KSME Fluids Engineering Division 2023, Osaka (Japan), Jul. 2023.
• 3 J. Ryu, G. Lee, and H. Kim, "Enhancement of immersion lens stability using vapor-driven solutal Marangoni effect." 75th Annual Meeting of APS Division of Fluid Dynamics, Indianapolis (USA), Nov. 2022.
• 2 J. Ryu, C. Diddens, D. Lohse, and H. Kim, "Non-uniform absorption and evaporation at a droplet interface." 74th Annual Meeting of APS Division of Fluid Dynamics, Phoenix (USA), Nov. 2021.
• 1 J. Ryu, J. Kim, J. Park, and H. Kim, "Analytical study for vapor-driven solutal Marangoni flows inside a sessile droplet." 72nd Annual Meeting of APS Division of Fluid Dynamics, Seattle (USA), Nov. 2019.

• 2 W. Lee, H. Kim, J. Ryu, N. Koo, J. Yoon, S. Park, S. Oh, and G. Lee, "Immersion lithographic system." KR20240064399A, US20240152058A1, May 2024.
• 1 H. Kim, J. Park, J. Ryu, and H. J. Sung, "Free-energy droplet mixing and flow control method." KR102342742B1, Dec. 2021.

Honors & Recognition

• 12/2025 ME Academic and Research Achievement Award: President's Award of the Korea Institute of Machinery & Materials (KIMM), KAIST
• 04/2025 Outstanding PhD's Thesis Award, The Korean Society of Mechanical Engineers (KSME)
• 10/2021 ME Academic and Research Achievement Award: Excellence Award for Master's Program Students, KAIST
• 06/2021 Outstanding Master's Thesis Award, The Korean Society of Mechanical Engineers (KSME)
• 12/2020 Wooduk Deok-Byeong Yoon Scholarship, Wooduk Scholarship Foundation