Alexander Djerdjev | Interfacial Chemistry | Best Researcher Award

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Dr. Alexander Djerdjev | Interfacial Chemistry | Best Researcher Award

Postdoctoral Research Associate at The University of Sydney, Australia

Dr. Alexander Masato Djerdjev is a pioneering postdoctoral research associate at The University of Sydney, School of Chemistry. He earned his PhD in Science (Chemistry) from The University of Sydney, where he demonstrated exceptional expertise in physical chemistry and interface science. With a strong track record of innovative research, Dr. Djerdjev has contributed to the development of advanced electroacoustic techniques for measuring zeta potential and particle size in concentrated dispersions. His work with industry partners, including Dyno Nobel, has led to two patents in the field of emulsion explosives, addressing challenges in hot and reactive grounds. Notably, his experimental studies have substantiated the mechanism by which hydrophobic-water interfaces acquire a negative charge through hydroxide ion adsorption, paving the way for novel applications in water catalysis. With an impressive citation index and numerous high-impact publications, he is recognized as a leading scientist whose research continues to drive progress in chemical innovation.

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Education 🎓

Dr. Alexander Djerdjev completed his advanced studies at The University of Sydney, where he earned a PhD in Science (Chemistry). His doctoral research focused on the physical chemistry of interfaces, leading to breakthroughs in understanding hydrophobic-water interactions and the development of innovative electroacoustic techniques. Throughout his academic journey, he was deeply involved in both theoretical and experimental aspects of chemical research, which laid the foundation for his contributions to the field. His rigorous academic training provided him with a robust grasp of complex chemical phenomena, empowering him to tackle challenging problems in emulsions and zeta potential characterization. Dr. Djerdjev’s education combined cutting-edge research with comprehensive coursework in physical chemistry, instrumentation, and materials science, equipping him with the analytical skills and technical proficiency required to excel in his field. His academic achievements reflect his dedication to advancing scientific knowledge and fostering innovation in chemistry. This education continues to inspire his research.

work Experience💼

Dr. Alexander Djerdjev currently serves as a Postdoctoral Research Associate at The University of Sydney, School of Chemistry, where he leads innovative research projects in physical chemistry and interface science. Over the course of his career, he has successfully managed nine research projects and collaborated on five industry-based consultancy initiatives. His work involves developing advanced electroacoustic methods for measuring zeta potential and particle size in concentrated dispersions, contributing to significant breakthroughs in understanding hydrophobic-water interfaces. Dr. Djerdjev has played an instrumental role in the development of two patents in emulsion explosives technology in collaboration with Dyno Nobel. His practical experience extends to comprehensive experimental design, data analysis, and interdisciplinary collaborations with industry partners, including Colloidal Dynamics Inc. With an impressive citation index (H-index 15) and over 1,600 citations, his professional experience underscores a commitment to scientific innovation, bridging academia and industry to solve complex chemical challenges effectively with outstanding success.

Skills

Dr. Alexander Djerdjev possesses a diverse array of skills that underpin his success in advancing chemical research and innovation. He is highly proficient in designing and executing complex experiments involving electroacoustic measurements, zeta potential analysis, and particle size determination in concentrated dispersions. His technical expertise extends to ultrasonic attenuation, small-angle X-ray scattering (SAXS), and impedance spectroscopy, allowing for comprehensive characterization of interfacial phenomena. Dr. Djerdjev is adept at data analysis and interpretation, leveraging sophisticated statistical tools and software to derive meaningful insights from experimental results. His strong problem-solving abilities enable him to overcome technical challenges and optimize research methodologies effectively. Additionally, he demonstrates excellent communication skills, both in writing high-impact publications and in presenting complex concepts to diverse audiences. His collaborative nature and experience working with industry partners enhance his interdisciplinary capabilities, making him a leader in the field of physical chemistry and a valuable asset to any research team.

Research Focus

Dr. Alexander Djerdjev’s research focuses on the physical chemistry of interfaces, particularly the behavior of hydrophobic-water boundaries. His work investigates the mechanisms by which hydrophobic surfaces acquire negative charge through hydroxide ion adsorption, a discovery that has far-reaching implications in water catalysis and surface science. Utilizing advanced electroacoustic techniques, he measures zeta potential and particle size in concentrated dispersions, thereby providing critical insights into colloidal stability and emulsion behavior. His research also encompasses ultrasonic attenuation, SAXS, and impedance spectroscopy, which together enable a comprehensive analysis of interfacial phenomena. By bridging experimental findings with theoretical models, Dr. Djerdjev’s work has not only advanced fundamental science but also spurred innovations in industrial applications, such as the development of emulsion explosives. His interdisciplinary approach and collaboration with industry partners highlight his commitment to translating scientific discoveries into practical, transformative technologies. His research continues to shape the future of interface science and industrial innovation.

Conclusion✅

Alexander Masato Djerdjev’s exceptional research achievements, robust industry collaborations, and impactful publications make him a standout candidate for the Best Researcher Award. His work bridges fundamental science and practical innovation, positioning him as a leader in his field. With continued growth in interdisciplinary collaboration, leadership, and public engagement, he is well-poised to further elevate the standards of research excellence. His contributions not only advance scientific understanding but also drive meaningful real-world applications, underscoring his suitability for this prestigious award.

📚Publications to Noted

 

The pristine oil/water interface: Surfactant‐free hydroxide‐charged emulsions

Authors: JK Beattie, AM Djerdjev

Citations: 423

Year: 2004

The surface of neat water is basic

Authors: JK Beattie, AM Djerdjev, GG Warr

Citations: 365

Year: 2009

Strong specific hydroxide ion binding at the pristine oil/water and air/water interfaces

Authors: P Creux, J Lachaise, A Graciaa, JK Beattie, AM Djerdjev

Citations: 296

Year: 2009

pH and the surface tension of water

Authors: JK Beattie, AM Djerdjev, A Gray-Weale, N Kallay, J LĂźtzenkirchen, …

Citations: 137

Year: 2014

Absence of specific cation or anion effects at low salt concentrations on the charge at the oil/water interface

Authors: GV Franks, AM Djerdjev, JK Beattie

Citations: 68

Year: 2005

Rapid electroacoustic method for monitoring dispersion: zeta potential titration of alumina with ammonium poly (methacrylate)

Authors: JK Beattie, A Djerdjev

Citations: 42

Year: 2000

The mechanism of the spontaneous detonation of ammonium nitrate in reactive grounds

Authors: AM Djerdjev, P Priyananda, J Gore, JK Beattie, C Neto, BS Hawkett

Citations: 40

Year: 2018

Dipolar anions are not preferentially attracted to the oil/water interface

Authors: JK Beattie, AM Djerdjev, GV Franks, GG Warr

Citations: 39

Year: 2005

Nanoparticle adsorption and stabilisation of surfactant-free emulsions

Authors: CP Whitby, AM Djerdjev, JK Beattie, GG Warr

Citations: 37

Year: 2006

Enhancement of Ostwald ripening by depletion flocculation

Authors: AM Djerdjev, JK Beattie

Citations: 36

Year: 2008

 

 

Shimelis Assefa | Information Technology | Best Researcher Award

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Assoc Prof Dr. Shimelis Assefa | Information Technology | Best Researcher Award

Associate Professor at University of Denver, United States

Dr. Shimelis Assefa is an Associate Professor at the University of Denver’s Department of Research Methods and Information Science. With a Ph.D. in Information Sciences from the University of North Texas and extensive experience in both academia and research, Dr. Assefa has made significant contributions to the fields of information science and bioinformatics. His research spans human conceptual cognition, data management in healthcare, and smart irrigation. He has received notable honors including the Distinguished Service Award from the University of Denver and has held prestigious fellowships such as the U.S. Fulbright Scholar.

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Education 🎓

Dr. Shimelis Assefa’s educational background reflects a robust foundation in information science and related disciplines. He earned his Ph.D. in Information Sciences from the University of North Texas, where he conducted his dissertation on “Human Concept Cognition and Semantic Relations in the Unified Medical Language System: A Coherence Analysis” under the guidance of Dr. Brian O’Connor. His work was distinguished by its comprehensive approach, earning a passing grade with no revisions required.  Prior to his doctoral studies, Dr. Assefa completed a Master of Science in Information Science at the School of Information Studies for Africa, Addis Ababa University, Ethiopia. His thesis, titled “Information Resource Sharing at the International Livestock Research Institute, ILRI: Towards Building Intranet,” was highly regarded, earning an excellent grade. This research laid the groundwork for his expertise in information systems and resource management.

work Experience💼

Dr. Shimelis Assefa’s work experience reflects a distinguished career in academia and research. Currently serving as an Associate Professor at the University of Denver’s Department of Research Methods and Information Science, Dr. Assefa has significantly impacted the field through both teaching and research. His role at the University of Denver began as an Assistant Professor in 2008, where he has since contributed to advancing knowledge in information science and bioinformatics. In addition to his tenure at the University of Denver, Dr. Assefa has gained valuable international experience. From 2016 to 2016, he served as a Visiting Professor at Adama Science and Technology University in Ethiopia, further enriching his global perspective.

Research Focus🔎

Dr. Shimelis Assefa’s research focus centers on the intersection of information science, bioinformatics, and data management, with a particular emphasis on advancing the understanding and application of complex information systems. His work explores human concept cognition and semantic relations within the Unified Medical Language System (UMLS), aiming to enhance coherence in medical terminologies and knowledge representation. Additionally, Dr. Assefa investigates data management strategies for the deployment of artificial intelligence (AI) in healthcare systems, specifically targeting improvements in clinical and public health research within Ethiopian contexts. His research also extends to smart irrigation systems, where he employs scientometric analysis to evaluate the literature and identify key trends in this critical area of environmental management. Through his contributions to bioinformatics, Dr. Assefa addresses the integration of biological data with computational tools, advancing the field of structural bioinformatics and its applications in healthcare and agriculture. His diverse research portfolio reflects a commitment to addressing both theoretical and practical challenges in information science and its interdisciplinary applications.

Awards and honors🏆

Dr. Shimelis Assefa has received numerous awards and honors that reflect his distinguished career and contributions to the field of information science. In 1999, he was awarded the Backbone Internetworking Training by the Internet Society, which recognized his expertise in networking technologies. The British Council Fellowship, granted in 2000, enabled him to further his studies at the University of East Anglia, UK. In 2001, he received the International Training in Medical Informatics Fellowship, a prestigious award from the New England Medical Center in partnership with Fogarty/University of Natal, South Africa, highlighting his expertise in medical informatics.

Conclusion✅

Dr. Shimelis Assefa’s outstanding research contributions, global impact, and recognition through prestigious awards and fellowships make him a highly deserving candidate for the Research for Best Researcher Award. His innovative work in information science and bioinformatics, coupled with his dedication to advancing global knowledge and education, underscores his significant role in his field. With opportunities for further collaboration and public engagement, Dr. Assefa’s potential to drive future advancements remains substantial, positioning him as a leading figure in research excellence.

📚Publications to Noted

A bibliometric mapping of the structure of STEM education using co‐word analysis

Authors: SG Assefa, A Rorissa

Citations: 160

Year: 2013

Faculty members’ perceptions towards institutional repository at a medium-sized university: Application of a binary logistic regression model

Authors: F Oguz, S Assefa

Citations: 44

Year: 2014

Information seeking behavior of the poor: the study of parents’ school choice decisions

Authors: S G. Assefa, M Stansbury

Citations: 14

Year: 2018

Open access in the age of a pandemic

Authors: DG Alemneh, S Hawamdeh, HC Chang, A Rorissa, S Assefa, K Helge

Citations: 12

Year: 2020

Diffusion of scientific knowledge in agriculture: The case for Africa

Authors: S Assefa, DG Alemneh, A Rorissa

Citations: 12

Year: 2014

21st century skills and science education in K-12 environment

Authors: S Assefa, L Gershman

Citations: 12

Year: 2013

Towards a comprehensive model to predict perceived performance impact of wireless/mobile computing in a mandatory environment

Authors: S Assefa, V Prybutok

Citations: 9

Year: 2006

Digital readiness assessment of countries in Africa: A case study research

Authors: S Assefa, A Rorissa, D Alemneh

Citations: 8

Year: 2021

Harnessing social media for promoting tourism in Africa: an exploratory analysis of tweets

Authors: DG Alemneh, A Rorissa, S Assefa

Citations: 7

Year: 2016

Human concept cognition and semantic relations in the unified medical language system: A coherence analysis

Author: SG Assefa

Citations: 5

Year: 2007