DESSIE Tibebe | Analytical Chemistry | Best Researcher Award

Dr. DESSIE Tibebe | Analytical chemistry | Best Researcher Award

Associate Professor at Analytical Chemistry, Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Iran

Dr. Dessie Tibebe is a dedicated researcher and academic with expertise in environmental chemistry. He has a strong background in various aspects of environmental chemistry, including aquatic chemistry, water quality management, and practical environmental chemical analysis. Dr. Tibebe has been involved in several significant research projects, such as investigating the impacts of agrochemical loads on Lake Tana and characterizing industrial effluents for sustainable management. He has also led projects on detecting hormone-disrupting chemicals in water and fish samples, as well as utilizing water hyacinth biomass for organic fertilizer production. Dr. Tibebe’s work extends beyond research, as he has received recognition for his outstanding performance in teaching and research. He has also contributed to training programs for chemistry teachers and has actively participated in conferences and congresses related to environmental sustainability and chemistry. Overall, Dr. Dessie Tibebe is a committed professional making valuable contributions to the field of environmental chemistry.

Professional Profiles:

Education:

Doctor of Philosophy in Analytical Chemistry from Addis Ababa University, Ethiopia. Master of Physical Chemistry from Bahir Dar University, Ethiopia. Bachelor of Science in Chemistry from Dilla University, Ethiopia. Higher Diploma for Teaching Methodology from the University of Gondar, Ethiopia.

Teaching:

Dr. Dessie Tibebe specializes in modern aspects of environmental chemistry, with a focus on environmental chemistry and toxicology, advanced chemical kinetics, aquatic chemistry, water quality, and wastewater management. Their expertise also includes practical environmental chemical analysis, advanced analytical chemistry, non-aqueous solution chemistry, and analytical applications of complex equilibria and modern extraction techniques. Dr. Tibebe is experienced in methods of scientific research writing, advanced practical instrumental analyses, statistical thermodynamics, surface chemistry, quantum chemistry, chemical kinetics, and electrochemistry. They have a strong background in practical physical chemistry, instrumental analyses, and real sample analyses.

Awards:

Dr. Dessie Tibebe has been involved in several significant projects focused on environmental management and sustainability in Ethiopia. From 2017 to 2018, as the Principal Investigator (PI), Dr. Tibebe led the UoG Mega project on Internal and External Agrochemical loads and their impacts on Lake Tana, emphasizing sustainable management practices. This project was successfully completed under their supervision. Similarly, in 2019-2020, Dr. Tibebe served as the PI for the UoG Mega project on the Treatment and Characterization of Tannery and Textile Industrial effluents in Amhara regional States, employing the Electrocoagulation Process with Aluminium electrodes. Another completed project, from 2020 to 2021, involved the Detection and Characterization of potential Hormone Disrupting Chemicals in Water and Fish Samples in the Amhara National Regional State Lakes, where Dr. Tibebe again acted as the PI. Currently, Dr. Tibebe is leading an ongoing external project (NABU) focused on the Utilization of Water Hyacinth biomass for organic fertilizer production in the North Eastern Lake Tana area, Ethiopia. Additionally, another ongoing external project (EEFRI) led by Dr. Tibebe investigates the Impacts of external and internal agrochemical loads on Lake Tana Ecosystem for sustainable management. Furthermore, another ongoing external project (NABU) focuses on the utilization of Water Hyacinth for soil enhancement, improved agricultural productivity, carbon sequestration, and sustainable energy production. As a Co-PI from 2018 to 2021, Dr. Tibebe contributed to the Investigation on the quality, post-harvest processing, and production site of coffee in West, Central, and North Gondar Zones, Ethiopia. Dr. Tibebe also served as a Co-PI from 2018 to 2020 for the UoG Mega project, focusing on the Effects of Waste effluent from Gondar Town on the Downstream Community and its impact on Ecological and Limnological properties of Waste Receiver Rivers in the Central Gondar Zone, Amara, Ethiopia.

Achievements and Projects:

Dr. Dessie Tibebe’s titles include: Doctor of Philosophy in Analytical Chemistry, Master of Physical Chemistry, Bachelor of Science in Chemistry, and Higher Diploma for Teaching Methodology. He is also recognized for his role as Principal Investigator (PI) in various research projects, such as the UoG Mega project on internal and external agrochemical loads and impacts on Lake Tana for sustainable management, and the UoG Mega project on treatment and characterization of tannery and textile industrial effluents in Amhara regional states by electrocoagulation process using aluminum electrodes. Additionally, he serves as a Co-Principal Investigator (Co-PI) on projects investigating the quality, post-harvest processing, and production site of coffee in different zones of Gondar, Ethiopia, as well as the effects of waste effluent from Gondar Town on downstream communities and its impact on ecological and limnological properties of waste receiver rivers in Central Gondar Zone, Amhara, Ethiopia. Dr. Tibebe has also been involved in external projects related to water hyacinth biomass utilization for organic fertilizer production, the impacts of agrochemical loads on Lake Tana ecosystem, and the utilization of water hyacinth for soil enhancement, improved agricultural productivity, carbon sequestration, and sustainable energy production.

Publicatons:

  1. “The impact of sewage effluents on water quality of Lake Hawassa, Ethiopia”
    • Authors: Tibebe, D.; Tesfaye, Y.; Kassa, Y.
    • Year: 2023
    • Citations: 0
  2. “A study of basic and reactive dyes removal from synthetic and industrial wastewater by electrocoagulation process”
    • Authors: Negash, A.; Tibebe, D.; Mulugeta, M.; Kassa, Y.
    • Year: 2023
    • Citations: 3
  3. “Assessment of selected heavy metals in honey samples using flame atomic absorption spectroscopy (FAAS), Ethiopia”
    • Authors: Tibebe, D.; Hussen, M.; Mulugeta, M.; Gedefaw, M.; Kassa, Y.
    • Year: 2022
    • Citations: 2
  4. “Investigation of selected physico-chemical quality parameters in industrial wastewater by electrocoagulation process, Ethiopia”
    • Authors: Tibebe, D.; Negash, A.; Mulugeta, M.; Moges, Z.; Yenealem, D.
    • Year: 2022
    • Citations: 2
  5. “Compost preparation, chemical analyses and users’ perception in the utilization of water hyacinth, Ethiopia”
    • Authors: Tibebe, D.; Jembere, K.; Kidie, A.; Alem, T.; Teshome, G.
    • Year: 2022
    • Citations: 2
  6. “Assessment of spatio-temporal variations of selected water quality parameters of Lake Ziway, Ethiopia using multivariate techniques”
    • Authors: Tibebe, D.; Zewge, F.; Lemma, B.; Kassa, Y.
    • Year: 2022
    • Citations: 7
  7. “The Potential of Wetlands as Treatment Systems for Organic Matter and Some Selected Metals (As, Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Pb, and Zn): Case Study of Yitamot Wetland, Ethiopia”
    • Authors: Kassa, Y.; Mengistu, S.; Wondie, A.; Tibebe, D.
    • Year: 2022
    • Citations: 1
  8. “Distribution of macrophytes in relation to physico-chemical characters in the south western littoral zone of Lake Tana, Ethiopia”
    • Authors: Kassa, Y.; Mengistu, S.; Wondie, A.; Tibebe, D.
    • Year: 2021
    • Citations: 5
  9. “Investigation of spatio-temporal variations of selected water quality parameters and trophic status of Lake Tana for sustainable management, Ethiopia”
    • Authors: Tibebe, D.; Kassa, Y.; Melaku, A.; Lakew, S.
    • Year: 2019
    • Citations: 51

 

 

Prof. CHANG-HYUN JANG | Biosensors | Best Researcher Award

Prof. CHANG-HYUN JANG : Biosensors | Best Researcher Award

Professor at Biosensors, Gachon University, South Korea

He remarkable academic journey, extensive research contributions, and dedication to the field of psychology are truly commendable. Your wealth of knowledge and diverse skill set reflect a deep commitment to understanding and addressing critical issues such as bullying, inclusion, and socialization.

🔬 He successful completion of a PhD in Psychology, along with the numerous advanced courses and workshops, showcases your continuous pursuit of excellence and expertise in your field.

🏆 The awards and recognitions, including the First Place in the Poster Award at the University of Stavanger, underscore the impact of your research and the high regard it holds in the academic community.

Professional Profiles:

Education:

Prof. Chang-Hyun Jang has an impressive academic background, reflecting his dedication to scientific research and expertise in chemistry and nanofabrication. He earned his Ph.D. in Chemistry from Virginia Tech, USA, where his research focused on “AFM-assisted Nanofabrication Using Self-assemble Monolayers,” under the mentorship of Professor William A. Ducker. Prior to his doctoral studies, Prof. Jang completed his M.S. in Chemistry at Hanyang University, South Korea, conducting research on the “Kinetics for the Reaction of Substituted Phenacyl Bromides with Thiazole,” under the guidance of Professor Soon-Yung Hong. He began his academic journey with a B.S. in Chemistry from the same university. Prof. Jang further honed his expertise as a Postdoctoral Researcher in Chemical & Biological Engineering at the University of Wisconsin-Madison, USA, from 2004 to 2006, focusing on Biosensor, Liquid Crystal, and Nanofabrication under the mentorship of Professor Nicholas L. Abbott. His academic pursuits and research experiences demonstrate a strong foundation in chemistry and a specialization in nanofabrication and biosensors, positioning him as a leading figure in his field.

CHANG-HYUN JANG ‘s citation metrics and indices from Google Scholar are as follows:

  • Cited by: All: 2722, Since 2018: 2089
  • Citations: 2722(All), 2089(Since 2018)
  • h-index: 28 (All), 24 (Since 2018)
  • i10-index: 51 (All), 46 (Since 2018)

These metrics showcase the impact of JANG ‘s work within the academic community, demonstrating the number of citations his publications have received and the influence of his research output.

Position:

Prof. Chang-Hyun Jang has a rich and diverse professional background that spans academia, research, industry, and community involvement. Since March 2007, he has served as a Professor at Gachon University, where he has made significant contributions to the institution’s academic and research activities. Prior to this, Prof. Jang held the position of Senior Research Scientist at the Korea Electrotechnology Research Institute from March 2006 to February 2007, where he contributed to the advancement of electrotechnology. His research expertise was further honed during his time as a Research Associate at the University of Wisconsin-Madison from February 2004 to February 2006, where he was involved in cutting-edge research projects. Prof. Jang also has valuable industry experience, having worked as a Research Scientist in the Interfacial Science Team at LG Chemical Ltd., South Korea, from January 1993 to July 1998, where he gained insights into industrial research and development. Beyond his professional roles, Prof. Jang has been actively involved in various extracurricular activities, including serving as the Conductor of the Choir at the Korean Baptist Church of Blacksburg, Virginia, from 2001 to 2003, and holding leadership positions such as President of the Korean Student Association and Secretary of the Korean-American Scientists and Engineers Association, Virginia Chapter, during his time at Virginia Tech. His commitment to academia is evident through his roles as a Research Assistant and Teaching Assistant at Virginia Tech, where he also completed his doctoral studies. Prof. Jang’s multifaceted experiences and leadership roles underscore his dedication to excellence in academia, research, and community engagement.

Awards:

Throughout his career, Prof. Chang-Hyun Jang has been recognized for his outstanding contributions to research and academia with several prestigious awards and honors. Notably, he has received the Distinguished Researcher Award multiple times from Gachon University, in 2019, 2013, and 2012, in recognition of his exceptional research accomplishments and impact. His expertise and leadership were further acknowledged with the appointment as an Advanced Research Professor at Gachon University from 2017 to 2019, reflecting his significant contributions to the university’s research endeavors. In addition to his accolades at Gachon University, Prof. Jang’s research excellence was also acknowledged with the Poster Award at the ACS National Meeting in San Diego in 2005, highlighting the impact of his work on a national platform. Earlier in his career, he was honored with the Best Project Award at LG Chemical Ltd. in 1997 and the Distinguished Researcher Award at the same company in 1994, underscoring his consistent dedication to excellence in research and development throughout his professional journey. These awards and recognitions reflect Prof. Chang-Hyun Jang’s outstanding achievements and leadership in the field of research.

Research Interest:

Prof. Chang-Hyun Jang’s research interests and expertise span a diverse array of topics at the forefront of chemistry, materials science, and nanotechnology. His research areas include the development of Liquid Crystals-Based Biosensors, where he explores the innovative application of liquid crystals in biosensing technologies for various analytical and diagnostic purposes. Prof. Jang is also engaged in investigating Biological Interactions at Nanostructured Interfaces, focusing on understanding and manipulating biological processes occurring at the nanoscale, which has implications in fields such as biotechnology and medicine. Furthermore, his research involves Nanofabrication of Proteins and Particles on Self-Assembled Monolayers, where he utilizes advanced nanofabrication techniques to precisely control the assembly of proteins and particles on surfaces, enabling applications in biotechnology and materials science. Additionally, Prof. Jang is involved in AFM-assisted, Nano-scale Modification of Surfaces, exploring the use of atomic force microscopy (AFM) to achieve precise nano-scale modifications of surfaces, which has implications in diverse fields such as nanoelectronics and biomedical devices. His expertise also extends to Surfactant Science and Technology, where he focuses on the synthesis and physicochemical properties of surfactants, which are crucial in various industrial and biomedical applications. Lastly, Prof. Jang’s research encompasses Microencapsulation and Controlled Release, aiming to develop advanced techniques for encapsulating and delivering bioactive compounds with controlled release properties, with potential applications in drug delivery and food science. Prof. Chang-Hyun Jang’s multifaceted research interests and expertise highlight his contributions to advancing knowledge and technology in these interdisciplinary fields.

Publications:

Influence of PEDOT:PSS crystallinity and composition on electrochemical transistor performance and long-term stability

  • Published in Energy in 2018 with 297 citations.

Sol-gel metal oxide dielectrics for all-solution-processed electronics

  • Published in Energy in 2017 with 210 citations.

Compact DC modeling of organic field-effect transistors: Review and perspectives

  • Published in Energy in 2013 with 137 citations.

Capacitive behavior of pentacene-based diodes: Quasistatic dielectric constant and dielectric strength

  • Published in Energy in 2011 with 136 citations.

A compact model for organic field-effect transistors with improved output asymptotic behaviors

  • Published in Energy in 2013 with 122 citations.

Low-voltage organic electronics based on a gate-tunable injection barrier in vertical graphene-organic semiconductor heterostructures

  • Published in Energy in 2015 with 114 citations.

Fundamental benefits of the staggered geometry for organic field-effect transistors

  • Published in Energy in 2011 with 106 citations.

Charge distribution and contact resistance model for coplanar organic field-effect transistors

  • Published in Energy in 2012 with 101 citations.