Dr. Michał Hajos | Materials Engineering | Best Researcher Award

Dr. Michał Hajos | Materials Engineering | Best Researcher Award

University of Agriculture in Krakow, Poland.

Michal Hajos is a skilled academic and researcher currently working at the University of Agriculture in Krakow, Poland. With a strong foundation in metallurgy and extensive experience in industrial research, Hajos has dedicated his career to exploring innovative solutions in material science, combustion processes, and plant-based material research. He has worked on numerous industrial and academic projects, contributing significantly to both the research and development sectors. His research interests include the study of combustion and drying processes and the exploration of green methods for nanoparticle production.

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Education 🎓

Dr. Michał Hajos holds a PhD in Metallurgy from AGH University in Krakow (2008–2014), with a dissertation on "Physicochemical parameters of the electrochemical process for the production of zinc oxide nanoparticles." He also earned a Master of Science in Metallurgy from the same institution (2002–2008), where his thesis focused on binders in molding sands. Additionally, he completed his Environmental Protection Technician qualification at Zespół Szkół Chemicznych in Krakow (1995–2000), researching the use of industrial waste as alternative fuels in the cement industry.

Work Experience 💼

Dr. Michał Hajos is currently an Assistant at the University of Agriculture in Krakow (2022–present), focusing on research and teaching in mechanical engineering and agrophysics, with expertise in material science and thermodynamics. He served as Head of Executive at CBR Rock Master (2021–2022), overseeing R&D, production planning, and product certification. Prior to that, he was a Laboratory Analyst (2019–2021) at the same company, specializing in designing and testing prototypes for height safety systems. Dr. Hajos also worked as a Process Engineer at NYCZ Intertrade (2016–2018), leading nickel recovery processes from galvanic waste. Earlier, he contributed as a Research Assistant and Lecturer at AGH University of Science and Technology (2012–2015), designing measurement stands and conducting research for shale gas extraction projects.

Research Interests 🔬

Dr. Michał Hajos focuses on the study of combustion and drying processes 🔥💧, aiming to optimize energy efficiency and material properties.

Physico-Chemical Properties of Plant-Based Materials 🌿

He investigates the physico-chemical properties of plant-based materials, exploring sustainable alternatives for various industrial applications.

Green Nanoparticle Production 🌱🔬

A significant aspect of his research is the development of green methods for nanoparticle production, striving to create eco-friendly technologies for the future.

Achievements 🏆

Third Degree Award in the "Technician 2000" competition (2000)
For his thesis on alternative fuels for the cement industry.

Patent in Nickel Recovery Process (2014)
Involved in the patenting process for the method of manufacturing molds and cores in smelting technologies.

Multiple Conference Contributions (2008–2013)
Organized and participated in various national and international conferences, contributing to both research dissemination and academic development.

Selected Publications 📚

Size Distribution of Zinc Oxide Nanoparticles Depending on the Temperature of Electrochemical Synthesis
Hajos, M., Starowicz, M., Brzychczyk, B., Basista, G., Francik, S.
Materials, 2025, 18(2), 458
Focus: This study investigates how the temperature during electrochemical synthesis affects the size distribution of zinc oxide nanoparticles.

Prediction of Brake Pad Wear of Trucks Transporting Oversize Loads Based on the Number of Drivers’ Braking and the Load Level of the Trucks—Multiple Regression Models
Basista, G., Hajos, M., Francik, S., Pedryc, N.
Applied Sciences (Switzerland), 2024, 14(13), 5408
Focus: This article uses multiple regression models to predict brake pad wear in trucks transporting oversize loads.

Citations: 1

Modeling the Drying Process of Onion Slices Using Artificial Neural Networks
Francik, S., Łapczyńska-Kordon, B., Hajos, M., Zawiślak, A., Francik, R.
Energies, 2024, 17(13), 3199
Focus: The study explores the application of artificial neural networks to model the drying process of onion slices.

Cohesion and Adhesion Properties of Modified Water Glass with Colloidal Solutions of ZnO
Smyksy, K., Kmita, A., Hutera, B., Hajos, M., Starowicz, M.
Metalurgija, 2014, 53(4), pp. 459–462
Focus: The article discusses the cohesion and adhesion properties of modified water glass combined with colloidal solutions of zinc oxide.

Citations: 5

Morphology and Structure of ZnO Nanoparticles Produced by Electrochemical Method
Stypuła, B., Kmita, A., Hajos, M.
Medziagotyra, 2014, 20(1), pp. 3–9
Focus: This paper examines the morphology and structure of zinc oxide nanoparticles produced through an electrochemical method.

 

 

Assist. Prof. Dr. Dong-Bin Kwak | Aerosol | Best Researcher Award

Assist. Prof. Dr. Dong-Bin Kwak | Aerosol | Best Researcher Award

Seoul National University of Science and Technology, South Korea.

Dong-Bin Kwak is an Assistant Professor at Seoul National University of Science and Technology in the Manufacturing Systems and Design Engineering (MSDE) department. With expertise in aerosol science and technology, Dong-Bin has significantly contributed to areas like particle control, filtration, heat transfer, and air pollution. He has previously worked as an Applications Scientist at Onto Innovation and as a researcher at the University of Minnesota's renowned Particle Technology Laboratory. His innovative projects, extensive publications, and recognition in the field highlight his dedication to solving real-world challenges in nanoparticle engineering and fluid dynamics.

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Google Scholar

🎓 Education

Dong-Bin Kwak is an Assistant Professor at Seoul National University of Science and Technology (2024–Present), where he leads projects in nanoparticle engineering and air filtration systems. Previously, he worked as an Applications Scientist at Onto Innovation in Chandler, AZ (2023), developing next-generation automated optical inspection (AOI) systems for semiconductor packaging.

He holds a Ph.D. in Mechanical Engineering (2017–2023) from the University of Minnesota, Twin Cities, MN, where his research focused on nanoparticle control, liquid/air filtration, and contamination source analysis. Dong-Bin completed his B.Sc. in Mechanical Engineering (Summa Cum Laude, 2011–2017) at Hanyang University in Seoul, Korea, where he conducted research in aerosol technology and heat transfer optimization.

🛠️ Professional Experience

Dong-Bin Kwak is an Assistant Professor at Seoul National University of Science and Technology (2024–Present), where he leads projects in nanoparticle engineering and air filtration systems. Previously, he worked as an Applications Scientist at Onto Innovation in Chandler, AZ (2023), where he developed next-generation automated optical inspection (AOI) systems for semiconductor packaging.

Dong-Bin earned extensive research experience as a Graduate Research Assistant at the University of Minnesota (2017–2023), focusing on nanoparticle control, liquid/air filtration, and contamination source analysis. Earlier, as an Undergraduate Research Assistant at Hanyang University (2015–2017), he conducted research in aerosol technology and heat transfer optimization.

🧪 Research Interests

Aerosol Science & Technology focuses on particle generation, control, and filtration. This area encompasses the processes of producing and managing airborne particles while implementing effective filtration techniques to mitigate their impact.

Fluid Dynamics & Heat Transfer includes the study and application of radial heat sinks and hydrosol calibration systems. These innovations play a critical role in improving heat dissipation and ensuring precise calibration in hydrosol systems.

Gas-to-Particle Conversion examines the mechanisms through which gaseous substances transform into particulate matter. This process is crucial for understanding particle formation in both natural and industrial settings.

Air Pollution Mitigation addresses air filtration techniques and VOC detection. By developing advanced filtration systems and methods to detect volatile organic compounds (VOCs), this field aims to reduce air pollution and enhance environmental quality.

🏆 Awards

Young Scientist Award (2024), Korean Society of Manufacturing Process Engineers

AFS Fellowship (2019, 2023), American Filtration and Separations Society

Mechanical Engineering Fellowship (2017–2018), University of Minnesota

President’s List Scholarship & Best Academic Awards (2015–2016), Hanyang University

Best Tutor Award (2015), Engineering Mathematics at Hanyang University

📚Publications Top Notes

Impact of High-altitude Conditions and Low Ambient Pressure on Saliva Evaporation Rate and Airborne Transmission of Viruses Building and Environment | 2024-12 | Journal article
Contributors: Seongmin Cho, Dong-Bin Kwak, David Y.H. Pui. Link

Accurate Measurements of Particle Emissions from a Three-dimensional Printer Using a Chamber Test with a Mixer-installed Sampling System Scientific Reports | 2023 | Journal article
Contributors: Lee, H.; Kwak, D.-B.; Choi, C.Y.; Ahn, K.-H. Link

Modeling Pressure Drop Values Across Ultra-thin Nanofiber Filters with Various Ranges of Filtration Parameters Under an Aerodynamic Slip Effect Scientific Reports | 2023 | Journal article
Contributors: Lee, S.; Bui-Vinh, D.; Baek, M.; Kwak, D.-B.; Lee, H. Link

Numerical Study of Nanoparticle Penetration Characteristics in Forked Tubes Using Tracking Particle Identification Powder Technology | 2023 | Journal article
Contributors: Kwak, D.-B.; Wang, J.S.; Lee, H.; Pui, D.Y.H. Link

Saliva Droplet Evaporation Experiment and Simple Correlation of Evaporation-falling Curve Under Different Temperatures and RH
Aerosol and Air Quality Research | 2023 | Journal article
Contributors: Kwak, D.-B.; Fischer, H.D.; Pui, D.Y.H. Link