Rogério Navarro Correia de Siqueira | Sustainable Nanomaterials | Best Researcher Award

Prof. Dr. Rogério Navarro Correia de Siqueira | Sustainable Nanomaterials | Best Researcher Award

Professor at Pontifical Catholic University of Rio de Janeiro | Brazil

Prof. Dr. Rogério Navarro Correia de Siqueira is a faculty member in the Department of Chemical and Materials Engineering at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio), where he earned his Ph.D. and has served as an adjunct professor. His research spans nanomaterials synthesis, bio-based materials processing, and thermodynamic modeling of non-ideal systems, with significant contributions in the development of oxidized nanocatalysts supported by cellulose nanofibers for hydrogen generation, adsorption of transition metals from aqueous solutions, and the design of hybrid nanomaterials for energy storage and sustainable energy applications. Prof. Siqueira has led multiple projects, including two completed and two ongoing funded research initiatives, alongside consultancy experience and patent development, reflecting both academic and industrial engagement. He has published 26 papers in international journals indexed in Scopus and Web of Science, has served as guest editor for special issues in Minerals and Metals (MDPI), and actively collaborates with leading institutions such as TU-Berlin, UERJ, and UFOP on advanced nanocatalyst design and CO₂ capture modeling. According to Scopus, his work has been cited 167 times, and he has an h-index of 9, reflecting an emerging but growing impact in nanomaterials and energy transition research. His contributions to efficient computational methods for vapor–liquid equilibria, adsorption studies on functionalized nanocellulose, and catalytic hydrogen generation highlight his role in advancing sustainable materials science and metallurgical engineering applications. Prof. Siqueira continues to build international recognition through innovative approaches that bridge fundamental research with real-world energy solutions.

Profile: Scopus | ORCID

Feautured Publications

Braz, W. F., Teixeira, L. T., Navarro, R., & Pandoli, O. G. (2025). Nanocellulose application for metal adsorption and its effect on nanofiber thermal behavior. Metals, 15(8), 832.

Rego, A. S. C., Navarro, R. C. S., Brocchi, E. A., & Souza, R. F. M. (2024). Kinetic study on the thermal decomposition of iron (II) sulfate using a global optimization approach. Materials Chemistry and Physics, 304, 129869.

Moreira, P. H. L. R., Siqueira, R. N. C., & Vilani, C. (2024). A simple chemical equilibrium algorithm applied for single and multiple reaction systems. Computer Applications in Engineering Education, 32(3), 987–1004.

Teixeira, L. T., Lima, S. L. S. de, Rosado, T. F., Liu, L., Vitorino, H. A., dos Santos, C. C., Mendonça, J. P., Garcia, M. A. S., Siqueira, R. N. C., & da Silva, A. G. M. (2023). Sustainable cellulose nanofibers-mediated synthesis of uniform spinel Zn-ferrites nanocorals for high performances in supercapacitors. International Journal of Molecular Sciences, 24(11), 9169.

Teixeira, L. T., Braz, W. F., Siqueira, R. N. C., Pandoli, O. G., & Geraldes, M. C. (2021). Sulfated and carboxylated nanocellulose for Co²⁺ adsorption. Journal of Materials Research and Technology, 15, 123–135.

Dr. Gum-Chol Jang | Nanotechnology | Best Researcher Award

Dr. Gum-Chol Jang | Nanotechnology | Best Researcher Award

Researcher at Kim Chaek University of Technology, North Korea.

Dr. Gum-Chol Jang is a dynamic researcher in the field of nanomaterials, currently serving at the Institute of Nanoscience and Nanotechnology, Kim Chaek University of Technology. 🏫 His academic journey began in 2009, and since then, he has established himself as a dedicated scientist, particularly in nanofiber development and microwave-assisted technologies. 🌐 His early fascination with material sciences matured into an intensive focus on electrospinning techniques to fabricate antibacterial nanofibers. 🧪 After obtaining his Ph.D. in Nano Materials Engineering in 2021, Dr. Jang continued to pursue innovative, real-world solutions through applied nanotechnology. His research combines experimental and computational approaches to refine electrospinning parameters, ensuring uniformity and quality in nanofiber production. ⚙️ With a commitment to sustainability, precision, and health applications, he contributes to shaping the future of nanomaterials through groundbreaking research, cross-disciplinary collaborations, and high-impact publications. 🌟 His expertise reflects a perfect blend of theoretical knowledge and technical skills. 📚

Professional Profiles📖

Scopus

Education📚

Dr. Gum-Chol Jang embarked on his academic journey at the Faculty of Materials Science and Technology, Kim Chaek University of Technology, from 2009 to 2015. 🏫 There, he laid a strong foundation in materials science, emphasizing innovative applications and sustainable engineering. From 2015 to 2018, he pursued his Master’s degree in Nano Materials Engineering, concentrating on nanotechnology-based applications and fine-tuning electrospinning methods. 🔬 His academic excellence and research-oriented mindset led him to continue into doctoral studies at the same institution. In 2021, he earned a Doctorate in Nano Materials Engineering, specializing in nanofiber development and microwave heating techniques. 🌡️ His academic progression reflects deep immersion in material design, nanostructures, and fiber processing technologies. Dr. Jang’s strong theoretical understanding, combined with hands-on research experience throughout his academic journey, has equipped him with an exceptional skill set to lead cutting-edge advancements in nanotechnology and materials science. 🎓🔍

Professional Experience💼

Since 2018, Dr. Jang has been an integral part of the Institute of Nanoscience and Nanotechnology, where he has worked on high-impact projects relating to electrospinning, antibacterial nanofibers, and microwave-based material treatment. 🧫 His work focuses on optimizing the electrospinning process for consistent fiber morphology and field uniformity, enabling precise and scalable nanofiber production. 🌐 Dr. Jang’s experience bridges academic research and practical innovation, contributing to real-world solutions in disinfection, filtration, and biomedical material design. ⚙️ He has led and participated in multiple collaborative projects, refining experimental protocols and utilizing computational tools such as the Taguchi method to improve electrode configurations. 🖥️ His expertise in using microwave technology for sterilization and drying has opened new avenues for energy-efficient material processing. Through his role as a researcher, he continues to contribute valuable insights and technologies, helping to place his institute at the forefront of nanotechnology innovation. 🚀

Research Focus 🔍

Dr. Jang’s research is focused on the development of nanofibers through electrospinning technology, particularly for antibacterial and environmental applications. 🧵 His studies aim to understand and control the electrostatic forces around spinneret needles to improve fiber consistency and quality in multi-needle setups. 💡 By employing optimization methods such as the Taguchi technique, he contributes to better scalability and efficiency in nanofiber production. Additionally, he explores the use of microwave heating as an innovative approach for disinfection and drying of materials, offering energy-efficient alternatives in material processing. 🔬 His work is interdisciplinary, combining nanoscience, electrostatics, materials engineering, and applied physics. Dr. Jang’s long-term goal is to enhance material performance and sustainability in healthcare, environmental remediation, and industrial filtration. 🌍 His research not only supports theoretical advancement but also aligns with global efforts toward safer, cleaner, and more efficient technologies. 🌟

Conclusion ✅

Dr. Gum-Chol Jang is a highly motivated and technically skilled researcher in the field of nanomaterials, particularly nanofibers and microwave applications. His work is scientifically sound and socially relevant, especially in areas like antibacterial materials and thermal treatment. While he is still in the early stages of his research career, his current contributions and academic rigor position him as a strong contender for the Best Researcher Award. With continued publishing, networking, and innovation, Dr. Jang is poised to become a leading figure in nanotechnology research.

Publications to Noted📚

Title: Optimization of parameters of auxiliary electrodes for electric field uniformity around spinneret needles in multi-needle electrospinning by using Taguchi method
Authors: Gum‑Chol Jang, Dong‑Chol Im, Yong‑Ho Pak
Year: 2025