News

Yusun Lee, Seongmin Cho, and Dong-Bin Kwak attended The 7th International Conference on Manufacturing Process & Technology (ICMPT 2026) held at the Le Meridien Hotel in Kota Kinabalu, Malaysia, from February 2 to February 5, 2026. Seongmin Cho delivered a presentation entitled “Liquid-borne Particle Measurement with Aerosolization and Data Processing Algorithm.” This work, co-authored with AJ Tiwari, DR Troolin, HG Lee from TSI Inc., focused on advanced metrology techniques for liquid particle detection. Yusun Lee delivered a presentation entitled “Experimental and theoretical analysis of electrostatic effect degradation in respiratory masks under environmental exposure.” This research explored the stability of electrostatic charges in masks when subjected to various environmental conditions.

For their outstanding work,  Yusun Lee received an Outstanding Paper Award.

I-Nanotech company in Taiwan visited Nanoparticle Engineering Lab and Samsung Electronics (2025.12.03~2025.12.04). We had a technical meeting on semiconductor liquid monitoring technologies. 

Yusun Lee and Seongmin Cho from the Nanoparticle Engineering Lab (NEL), together with Hyeong-Woo Ji from K-Nano, participated in the Innovation Leaders Summit in Tokyo, Japan (2025.12.01~2025.12.04), where they showcased the NEL–K-Nano collaboration to global companies and discovered new applications.

Yusun Lee, Seongmin Cho, and Dong-Bin Kwak attended the 2025 KSMPE Autumn Conference (2025.11.26~2025.11.28) held at the Jeju Grand Hyatt Hotel. During the meeting, Yusun Lee delivered an oral presentation entitled “Analysis of Humidity Dependent Pressure Drop and Performance Changes in Respiratory Mask with and without Electrostatic Charge Effect.” Seongmin Cho delivered an oral presentation entitled “Evaluation of CMP Slurry Hydrosol Size Distributions via Aerosol Metrology and ML Algorithm with NVR Subtraction.”

For their outstanding work, Seongmin Cho received an Excellence Award. 

Seongmin Cho and Yusun Lee had a technical review meeting at TSI Inc., USA (2025.11.12) to report on Seongmin's research progress. 

They also participated in the 68th Semi-Annual CFR Review Meeting, held at the University of Minnesota, USA (2025.11.13~2025.11.14), with support from the international filtration consortium, the Center for Filtration Research (CFR). During the CFR review meeting, Seongmin Cho presented a talk, "First Results of In-line Liquid Nanoparticle Monitoring System with ML-based Data Processing Algorithm: Lab-to-Fab Transition of CMP Slurry Filter Evaluation." Yusun Lee presented on the topic, "Influence of Electrostatic effect and Humidity on Pressure drop and Loading Characteristics of Respiratory Masks".

Dong-Bin Kwak was invited to deliver a lecture at the 9th International Aerosol Workshop organized by Kanomax in Tokyo, Japan (2025.11.06-2025.11.08). In his talk, Prof. Kwak presented the lab’s recent research on aerosol technology, including hydrosol characterization studies carried out by Seongmin Cho. The workshop provided a valuable opportunity to interact with the international aerosol research community and to further strengthen future collaborations. These gatherings are truly invaluable for the field. Beyond the scientific program, the workshop also served as a great opportunity to strengthen the industrial network with Kitai Kang, Dwey Lee, and In Soo Chang, as well as the academic network with Jungho Hwang, Changhyuk Kim, Chris Horgan, Ta-Chih (TC) Hsiao, Takafumi Seto, Kenjiro Iida, Derek Oberreit, and Chenxi Li, etc. 

Representatives from Kanomax Japan and Wonik visited the SeoulTech Nanoparticle Engineering Lab to discuss the clean booth and experimental equipment established with support from Kanomax (2025.10.15).

Yusun Lee, Seongmin Cho, and Dong-Bin Kwak visited the i-Nanotech company in Taiwan (2025.08.19~2025.08.22) to hold a technical meeting on semiconductor liquid monitoring technologies. 

Yusun Lee, Seung-Woo Lee, Chungsup Kim, Seung Jae Gwak, Jaephil Lee, and Dong-Bin Kwak attended the 2025 KAPAR (Korean Association for Particle and Aerosol Research) Conference, held at Mona YongPyong from July 2 to July 4, 2025. 

At the conference, Chungsup Kim presented a poster titled "Development of a Delivery Algorithm for Estimating Particle Size Distribution and Pulmonary Deposition Fraction of Conventional and Electronic Cigarettes Based on Aerosolization Mechanisms.", and Sung Jae Gwak presented a poster titled "Predictive model of nanoparticle penetration efficiency through conductive and non-conductive coils in aerosol measurement systems: experimental study and critical review." 

For his excellent work, Seung Jae Gwak received the Excellent Poster Presentation Award. 

Yusun Lee, Seongmin Cho, and Dong-Bin Kwak participated in the 67th Semi-Annual CFR Review Meeting, held at TSI in Minnesota, USA (2025.05.15~2025.05.17), with support from the international filtration consortium, the Center for Filtration Research (CFR). 

During the meeting, Yusun Lee and Dong-bin Kwak presented on the topic, "Analysis of particle loading and pressure drop characteristics of respiratory mask filters under varying relative humidity conditions", while Seongmin Cho gave a presentation titled, "Optimization of aerosol metrology and data processing algorithm for in-line liquid particle monitoring and filtration efficiency evaluation: CMP slurry applications." 

Yusun Lee, Seongmin Cho, Chungsup Kim, Seung-Woo Lee, Joongmyung Choi, Seunghyuk Choi, Jaewon Kang, Youngjae Cho, and Dong-Bin Kwak attended the 2025 KSMPE Spring Conference at Sono Calm Yeosu (2025.05.07~2025.05.09). 

During the meeting, Yusun Lee delivered an oral presentation entitled “Investigation of Particle Loading and Differential-Pressure Characteristics of Respiratory-Mask Filters under Varying Humidity.” Youngjae Cho presented a poster on “Nanoparticle Size Distribution in CMP Slurry and a Real-Time Monitoring System,” while Seunghyuk Choi presented a poster titled “Multi-Objective Optimization of Cylindrical Heat Sinks with Straight and Branched Fins Using Artificial Neural Networks.” 

For their outstanding work, Yusun Lee and Seunghyuk Choi each received an Excellence Award. 

Yusun Lee, Seongmin Cho, Chungsup Kim, and Dong-Bin Kwak participated in the 66th Semi-Annual CFR Review Meeting, held at MANN+HUMMEL in Ludwigsburg, Germany (2024.12.15~2024.12.17), with support from the international filtration consortium, the Center for Filtration Research (CFR). 

During the meeting, Yusun Lee presented on the topic, "Analysis of Air Filtration Efficiency According to Environmental Variables through Temperature and Humidity Control", while Seongmin Cho delivered a presentation titled, "Evaluation of Hydrosol Concentration Measurement and Large Particle Detection of Colloidal Nanoparticles for CMP Slurry Applications"