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Assoc. Prof. Iva Valkova holds the position of Head Assistant Professor at the Department of Chemistry, Faculty of Pharmacy, Medical University of Sofia. She graduated in Pharmacy in 1995 and obtained her PhD in theoretical/computational chemistry in 2015. Her research focuses on QSAR modeling, transmembrane permeability studies, and biomolecular interactions using techniques like isothermal titration calorimetry (ITC). She has authored 25 publications and one textbook, with over 300 citations. Valkova has led one research project and participated in ten others, funded by institutions like the Medical Science Council. She teaches courses in Physical & Colloid Chemistry and Biopharmacy/Pharmacokinetics. Research Contributions Expertise in in silico and in vitro methodologies for drug permeability and enzyme interactions Active in Alzheimer's drug discovery via acetylcholinesterase inhibitors and MAO inhibition Member of the Bulgarian Pharmaceutical Scientific Society and Bulgarian Pharmaceutical Union Grants & Projects 2019: In silico and in vitro study of xanthine derivatives for MAO inhibition 2017: Evaluation of galantamine derivatives for anticholinesterase activity 2016: Development of novel acetylcholinesterase inhibitors for Alzheimer's Labs & Collaboration Conducts research in collaboration with interdisciplinary teams at the Faculty of Pharmacy and external partners, focusing on translational pharmacology and drug delivery systems.

• Quantitative Structure-Activity Relationship (QSAR)
• Pharmaceutical Chemistry
• Biopharmaceutical Analysis
• +۳ مورد دیگر

Peter A. Kralchevsky is a Professor at the Department of Chemical and Pharmaceutical Engineering, Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski". He holds the distinction of being a Fellow of the Bulgarian Academy of Sciences and historically served as head of the laboratory from 1993 to 2008. His research spans colloid science, surface phenomena, and disperse systems including foams, emulsions, and surfactant solutions. As part of the Department of Chemical and Pharmaceutical Engineering, his work contributes to understanding capillary phenomena, hydrodynamics of thin liquid films, and biophysics of fat digestion. The department maintains strong international collaborations with research centers across Western Europe, North America, and Japan. Professor Kralchevsky ranks among Bulgaria's most cited scientists with over 6,500 citations, reflecting significant impact in colloid and interface science. His research has contributed to the department's robust publication record of approximately 100 peer-reviewed papers annually. Fellow of the Bulgarian Academy of Sciences As a long-standing faculty member, he has contributed to the department's leadership in research projects at Sofia University, with approximately 85 projects annually including 30 industrial collaborations. His work supports the department's strong international partnerships with institutions including Cambridge University, ETH Zürich, and Max Planck Institute.

• Colloid Science
• Surface Science
• Disperse Systems
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Assoc. Prof. Zahari Vinarov, DSc serves as Head of the Department of Chemical and Pharmaceutical Engineering at the Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski". His office is located in Room K4 with direct phone line (+359 2) 8161 262. The Department of Chemical and Pharmaceutical Engineering focuses on advanced research in disperse systems including foams, emulsions, and suspensions. Key research areas encompass capillary phenomena, hydrodynamics of thin liquid films, surfactant solutions thermodynamics, biophysics of fat digestion, and pharmaceutical applications of complex fluids. Prof. Vinarov leads a department with significant research output, publishing approximately 15 peer-reviewed papers annually and maintaining collaborations with prestigious institutions including Cambridge University, ETH Zürich, and Max Planck Institute. The department currently manages 18 research projects and maintains strong industrial partnerships with companies such as Unilever, BASF, and Dow Corning. As department head, Prof. Vinarov oversees academic programs including the Bachelor's program in Chemical Engineering and Contemporary Materials and the Master's program in Disperse Systems in Chemical Technology. The department is responsible for teaching the Technology of Dosage Drug Design course for Pharmacy Master's students.

• Disperse Systems
• Colloid Science
• Surfactant Solutions
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Dimitar Petkov Tsvetkov is a Professor at the Department of Mathematical Analysis and Applications, Faculty of Mathematics and Informatics, St. Cyril and St. Methodius University of Veliko Turnovo. His research spans differential equations, applied statistics, neural networks, psychometrics, and stochastic processes, with applications in psychology, ecology, and education. Research interests focus on: Probability and stochastic modeling (Markov chains, queueing theory) Psychometric theory and test validation (Item Response Theory, population homogeneity) Mathematical biology (predator-prey systems, population dynamics) Educational mathematics (competitions, pedagogical strategies) Applied computational methods (neural networks, Monte Carlo algorithms) Publications (2015–2024) emphasize probability, statistics, and applied mathematics, with recurring themes in Markov processes, educational assessment, ecological modeling, and mathematics pedagogy. Recent works show increased focus on theoretical probability and statistical applications in social sciences. Grants include participation in the project Maximizing the comparative achievements of the border regions (2010–2012), analyzing regional governance, labor markets, and EU integration effects in Bulgarian-Romanian border areas.

• Differential Equations
• Applied Statistics
• Item Response Theory
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