Dr. Polyzois Makras | Decision-making and Problem-solving | Best Researcher Award

Dr. Polyzois Makras | Decision-making and Problem-solving | Best Researcher Award

251 Hellenic Air Force & VA General Hospital, Department of Medical Research, Greece 

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🏫 Early Academic Pursuits

Polyzois Makras embarked on his academic journey with a strong foundation in medicine. He earned his MD degree from the University of Thessaloniki, Greece, in 1994, laying the groundwork for his future contributions to the field of endocrinology. Following his medical degree, he pursued specialized training in Internal Medicine and Endocrinology in Athens, where he developed a keen interest in disorders of calcium and bone metabolism. His academic curiosity and drive led him to further his education, culminating in the completion of a PhD from the University of Thrace, Greece. This academic achievement set the stage for his extensive research career.

Makras’s academic path also included a significant international experience. He served as a clinical fellow at the Department of Endocrinology and Metabolic Diseases of the Leiden University Medical Center in the Netherlands between 2006 and 2007. This period was instrumental in shaping his expertise in metabolic diseases and provided him with a broader perspective on global health challenges related to endocrinology.

🏥 Professional Endeavors

Dr. Polyzois Makras has made significant strides in his professional career, particularly in the field of endocrinology. He currently serves as a Consultant Endocrinologist and Director of the Department of Medical Research at the 251 Hellenic Air Force & VA General Hospital of Athens, Greece. In this role, he has become a pivotal figure in the study and treatment of rare diseases, specifically Langerhans Cell Histiocytosis (LCH) and Erdheim Chester Disease (ECD). His leadership in these areas has been transformative, as he established and directed the National Expert Center for LCH and ECD at his institution.

Makras co-founded the LCH adult clinic in 2005, which later evolved into the National Expert Center for LCH and ECD in 2019. Under his guidance, the center became recognized for its excellence and joined the ERN – EuroBloodNet in 2022, a European reference network for rare hematological diseases. His commitment to advancing knowledge and treatment options for these rare conditions has placed him at the forefront of histiocytosis research.

📚 Contributions and Research Focus

Over the last eighteen years, Dr. Makras has dedicated his research efforts to understanding disorders of calcium and bone metabolism, as well as rare diseases, particularly LCH and non-Langerhans histiocytoses. His work in these fields has been pioneering, and he has contributed significantly to the scientific community’s understanding of these complex conditions.

Dr. Makras is a founding member of the European Consortium for Histiocytosis (ECHO) and the head of the Adult ECHO working group. Through these roles, he has facilitated collaboration among researchers and clinicians across Europe, fostering the development of new treatments and management strategies for histiocytosis. His research has also led to the publication of numerous diagnostic and therapeutic guidelines, particularly in osteoporosis and parathyroid disorders. These guidelines have been instrumental in shaping clinical practice in Greece, where Dr. Makras is recognized as a leading authority in his field.

🏆 Accolades and Recognition

Dr. Makras’s contributions to endocrinology and rare disease research have been widely recognized. He is the former President of the Hellenic Society for the Study of Bone Metabolism, a role in which he influenced the direction of bone metabolism research and advocacy in Greece. Additionally, he has been a member of the Committee of Scientific Advisors of the International Osteoporosis Foundation (IOF) since 2020. His involvement with the IOF underscores his global impact, as he has played a key role in shaping international osteoporosis research and policy.

In Greece, Dr. Makras is known for establishing the country’s first fracture liaison service (FLS), a crucial development in the prevention and management of osteoporosis-related fractures. His leadership in this area has set a new standard of care for patients with osteoporosis, significantly improving outcomes and reducing the incidence of fractures.

🌍 Impact and Influence

Dr. Makras’s impact extends beyond his immediate clinical and research environment. Through his leadership roles in national and international organizations, he has influenced the global approach to bone metabolism disorders and rare diseases. His guidelines for osteoporosis and parathyroid disorders have become the gold standard in Greece, and his advocacy for the establishment of FLS has led to improved patient care and outcomes.

Moreover, his work with the European Consortium for Histiocytosis (ECHO) has facilitated cross-border collaboration, enabling researchers and clinicians to share knowledge and resources in the fight against histiocytosis. This collaborative approach has accelerated the development of new treatments and improved the quality of life for patients with these rare diseases.

🌟 Legacy and Future Contributions

As Dr. Makras continues his work, his legacy is already evident in the advancements he has driven in endocrinology and rare disease research. His establishment of the LCH and ECD expert center, his leadership in the Hellenic Society for the Study of Bone Metabolism, and his role in the International Osteoporosis Foundation are all testaments to his enduring impact on the medical field.

Looking to the future, Dr. Makras is poised to continue making significant contributions to the understanding and treatment of rare diseases and bone metabolism disorders. His ongoing research, coupled with his commitment to improving clinical care through the development of new guidelines and services, ensures that his influence will be felt for years to come.

In summary, Polyzois Makras MD, PhD, is a distinguished endocrinologist whose work has had a profound impact on both national and international levels. His dedication to research, clinical care, and collaboration has not only advanced the understanding of complex medical conditions but has also improved the lives of countless patients. As he continues to push the boundaries of medical science, his contributions will undoubtedly leave a lasting legacy in the field of endocrinology.

Notable Publications 

Primary hyperparathyroidism: from guidelines to outpatient clinic

Authors: Andrea Palermo, Gaia Tabacco, Polyzois Makras, Guido Zavatta, Pierpaolo Trimboli, Elena Castellano, Maria P. Yavropoulou, Anda Mihaela Naciu, Athanasios D. Anastasilakis

Journal: Reviews in Endocrine and Metabolic Disorders

Year: 2024

The comparative effect of teriparatide and denosumab on activins, follistatins, and inhibins in women with postmenopausal osteoporosis

Authors: Athanasios D Anastasilakis, Stergios A Polyzos, Polyzois Makras, Matthaios Savvidis, Christos S Mantzoros

Journal: Journal of Bone and Mineral Research

Year: 2024

Romsozumab versus parathyroid hormone receptor agonists: which osteoanabolic to choose and when?

Authors: Athanasios D Anastasilakis, Maria P Yavropoulou, Andrea Palermo, Polyzois Makras, Julien Paccou, Gaia Tabacco, Anda Mihaela Naciu, Elena Tsourdi

Journal: European Journal of Endocrinology

Year: 2024

Transient osteoporosis of the hip following discontinuation of denosumab and switch to alendronate treatment

Authors: Polyzois Makras, Maria P. Yavropoulou, Athanasios D. Anastasilakis, Athanasios Papatheodorou, Christos Tekedis, Socrates E. Papapoulos

Journal: Osteoporosis International

Year: 2024

The relationship between length of denosumab treatment for postmenopausal osteoporosis and serum TRAcP5b measured six months after the last injection

Authors: Polyzois Makras, Maria P. Yavropoulou, Stergios A. Polyzos, Socrates E. Papapoulos, Danai Georgakopoulou, Athanasios Papatheodorou, Athanasios D. Anastasilakis

Journal: Osteoporosis International

Year: 2024

Dr. Salih Nacar | Decision-making and Problem-solving | Best Researcher Award

Dr. Salih Nacar, Decision-making and Problem-solving, Best Researcher Award

Bandırma Onyedi Eylül University, Turkey

Profile 

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Early Academic Pursuits

Salih Nacar, born on July 1, 1984, in Kahramanmaraş, has built a formidable academic and professional career in the field of Electrical Engineering. He commenced his academic journey with an associate degree from Akdeniz University, Technical Sciences Vocational School, in Industrial Electronics (2001-2003). Following this, he pursued a Bachelor's degree in Electronic Education at Gazi University's Technical Education Faculty, where he graduated in 2008. His keen interest in electronics and power systems led him to further his education at Karabük University. He completed his Master’s degree (2011-2014) and subsequently a Ph.D. (2014-2019) in Electrical-Electronic Engineering from the Institute of Science at Karabük University. His doctoral research focused on innovative control techniques for hydrogen production systems, a testament to his commitment to advancing renewable energy technologies.

Professional Endeavors

Salih Nacar's professional journey is as impressive as his academic accomplishments. His early career began as an Industrial Electronics Technician at the General Directorate of Mineral Research and Exploration (M.T.A.) Geophysical Studies Department (2007-2011). He then transitioned to academia, taking on the role of Lecturer at Kastamonu University's Taşköprü Vocational School of Electrical and Energy Department from 2011 to 2021. Here, he contributed significantly to the education and training of future engineers. In 2021, he joined Bandırma Onyedi Eylül University's Faculty of Engineering and Natural Sciences, Department of Electrical Engineering, where he continues to serve as a Dr. Lecturer. His teaching portfolio includes advanced courses in control theory, instrumentation, process control, hydrogen energy technologies, and more. Nacar’s dedication to education and research is evident in his role as an instructor, researcher, and mentor to students at various levels of higher education.

Contributions and Research Focus

Salih Nacar’s research is primarily centered on power electronics, resonant power converters, photovoltaic (PV) systems, maximum power point tracking (MPPT), induction heating, fuzzy logic controllers, and hydrogen production via electrolysis. His doctoral thesis, "Performance Comparison of Different Control Techniques for Full Bridge Series Resonant Converter Used in Hydrogen Production," highlights his innovative approach to enhancing the efficiency and control of hydrogen production systems. Additionally, his master’s thesis focused on designing and implementing a soft-switching maximum power point tracker for PV systems, showcasing his interest in optimizing renewable energy systems.

Nacar has made substantial contributions to the field through his published works. His articles have been featured in prestigious journals such as the Turkish Journal of Electrical Engineering & Computer Sciences, the International Journal of Hydrogen Energy, and Scientia Iranica. His research papers cover various topics, including fuzzy logic-controlled converters for hydrogen production, soft-switching MPPT with resonant switches in PV systems, and the design of class-E resonant inverters for induction heating systems. These publications reflect his ongoing commitment to advancing the state of knowledge in power electronics and renewable energy systems.

Accolades and Recognition

Throughout his career, Salih Nacar has received numerous awards and recognitions. Notably, he was honored with the Best Paper Award at the 7th International Conference on Advanced Technologies (ICAT 2018). This accolade underscores the impact and significance of his research in the international community. His contributions to scientific conferences are extensive, having presented his work at several prestigious events such as the International Conference on Energy Systems Engineering and the European Conference on Renewable Energy Systems. His active participation in these conferences highlights his role in disseminating knowledge and fostering discussions on cutting-edge technologies in his field.

Impact and Influence

Salih Nacar’s influence extends beyond his immediate academic and professional circles. As a reviewer for several international journals, including the Gazi University Journal of Science and the Journal of Energy Systems, he plays a crucial role in maintaining the quality and integrity of published research. His expertise is recognized and sought after, contributing to the advancement of knowledge in power electronics and renewable energy. Additionally, his involvement in organizing committees for conferences and symposia demonstrates his leadership and commitment to fostering scientific dialogue and collaboration.

Legacy and Future Contributions

Salih Nacar’s legacy is built on his profound contributions to the fields of power electronics and renewable energy. His research on hydrogen production and PV systems has the potential to influence future technologies and energy solutions. As an educator, he continues to inspire and mentor the next generation of engineers and researchers, imparting his knowledge and fostering a culture of innovation and excellence. Looking ahead, Nacar aims to further explore advanced control techniques and their applications in renewable energy systems, contributing to sustainable energy solutions and addressing global energy challenges.

In conclusion, Salih Nacar’s journey from a young student in Kahramanmaraş to a respected academic and researcher is marked by dedication, innovation, and a relentless pursuit of excellence. His contributions to power electronics and renewable energy have not only advanced the field but also paved the way for future innovations. As he continues his work at Bandırma Onyedi Eylül University, his influence and impact are set to grow, cementing his legacy as a pioneering researcher and educator.

Publications 

Hybrid-Controlled Class-E resonant converter with synchronous rectifier for LED driver applications

    • Authors: Salih Nacar
    • Journal: Engineering Science and Technology, an International Journal
    • Year: 2024

Implementation of hydrogen generation system with resonant converter

    • Authors: Salih Nacar, Selim Oncu
    • Journal: Gazi Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi
    • Year: 2022

Induction heated metal hydride tube for hydrogen storage system

    • Authors: Salih Nacar, Selim Oncu, Muhammet Kayfeci
    • Journal: Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi
    • Year: 2022

Investigation of the effects of different operating regions of ZVS LLC resonant converter on the converter performance

    • Authors: Salih Nacar, Selim Oncu
    • Journal: Journal of Polytechnic
    • Year: 2022

Hydrogen production system with fuzzy logic-controlled converter

    • Authors: Salih Nacar, Selim Oncu
    • Journal: Turkish Journal of Electrical Engineering & Computer Sciences
    • Year: 2019