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Assistant Prof. Zahari P. Vinarov, Ph.D., Ph.D in Pharm
CV | Publications | Image Representation | Phone: +359 2 8161 416

Zahari P. Vinarov, Research Associate

Research interests:

Oral delivery of poorly water-soluble drugs
Lipid digestion
Chemical analysis
Enzymes in Detergency and Digestion
Wetting, Contact Angles, Optical Microscopy
   
» See papers and citations at Google Scholar.
» ResearcherID (Web of Science): K-7184-2012
» Author ID (SCOPUS): 55233825500
» ORCID: 0000-0003-1857-1840

Publications:

 

2021

1. Mechanisms of Drug Solubilization by Polar Lipids in Biorelevant Media, V. Katev, Z. Vinarov, S. Tcholakova, Eur. J. Pharm. Sci. 159 (2021) 105733; doi: 10.1016/j.ejps.2021.105733

2. Current challenges and future perspectives in oral absorption research: An opinion of the UNGAP network, Z. Vinarov, B. Abrahamsson, P. Artursson, H. Batchelor, P. Berben, A. Bernkop-Schnürch, J. Butler, J. Ceulemans, N. Davies, D. Dupont, G. Flaten, N. Fotaki, B. Griffinn, V. Jannin, J. Keeminki, F. Kesisoglou, M. Koziolek, M. Kuentz, A. Mackie, A. Meléndez-Martinez, M. McAllister, A. Müllertz, C. O'Driscoll, N. Parrott, J. Paszkowska, P. Pavek, C. Porter, C. Reppas, C. Stillhart, K. Sugano, E. Toader, K. Valentová, M. Vertzoni, S. De Wildt, C. Wilson, P. Augustijns, Adv. Drug. Deliv. Rev. 171 (2021) 289–331; doi: 10.1016/j.addr.2021.02.001

3. Impact of Gastrointestinal Tract Variability on Oral Drug Absorption and Pharmacokinetics: An UNGAP Review, Z. Vinarov, M. Abdallah, J. Agundez, K. Allegaert, A. Basit, M. Braeckmans, J. Ceulemans, M. Corsetti, B. Griffin, M. Grimm, D. Keszthelyi, M. Koziolek, C. Madla, C. Matthys, L. McCoubrey, A. Mitra, C. Reppas, J. Stappaerts, N. Steenackers, N. Trevaskis, T. Vanuytsel, M. Vertzoni, W. Weitschies, C. Wilson, P. Augustijns, Eur. J. Pharm. Sci. 162 (2021) 105812; doi: 10.1016/j.ejps.2021.105812

4. Supersaturation and Solubilization upon In Vitro Digestion of Fenofibrate Type I Lipid Formulations: Effect of Droplet Size, Surfactant Concentration and Lipid Type, V. Katev, S. Tsibranska-Gyoreva, Z. Vinarov, S. Tcholakova, Pharmaceutics 13 (2021) 1287; doi: 10.3390/pharmaceutics13081287

 

2020

1. Role of Lysophospholipids on The Interfacial and Liquid Film Properties of Enzymatically Modified Egg Yolk Solutions. D. Gazolu-Rusanova, F. Mustan, Z. Vinarov, S. Tcholakova, N. Denkov, S. Stoyanov, J. W.J. de Folter, Food Hydrocolloids 99 (2020) 105319; doi: 10.1016/j.foodhyd.2019.105319

2. Solubilization of Itraconazole by Surfactants and Phospholipid-Surfactant Mixtures: Interplay of Amphiphile Structure, pH and Electrostatic Interactions. Z. Vinarov, G. Gancheva, N. Burdzhiev, S. Tcholakova, J. Drug Deliv. Sci. Technol. 57 (2020) 101688; doi: 10.1016/j.jddst.2020.101688

 

2019

1. Successful Oral Delivery of Poorly Water-soluble Drugs Both Depends on The Intraluminal Behavior of Drugs and of Appropriate Advanced Drug Delivery Systems. B. J. Boyd, C. A.S. Bergström, Z. Vinarov, M. Kuentz, J. Brouwers, P. Augustijns, M. Brandl, A. Bernkop-Schnürch, N. Shrestha, V. Préat, A. Müllertz, A. Bauer-Brandl, V. Jannin, Eur. J. Pharm. Sci. 137 (2019); doi: 10.1016/j.ejps.2019.104967

 

2018

1. Effect of Surfactant Molecular Structure on Progesterone Solubilization. Z. Vinarov, P. Dobreva, S. Tcholakova. J. Drug. Deliv. Sci. Tec., 43 (2018) 44–49; doi: 10.1016/j.jddst.2017.09.014

2. Micellar Solubilization of Poorly Water-soluble Drugs: Effect of Surfactant and Solubilizate Molecular Structure. Z. Vinarov, V. Katev, D. Radeva, S. Tcholakova, N. Denkov. Drug. Dev. Ind. Pharm., 44 (2018) 677–686 doi: 10.1080/03639045.2017.1408642

3. Albendazole Solution Formulation via Vesicle-To-Micelle Transition of Phospholipid-Surfactant Aggregates. Z. Vinarov, G. Gancheva, V. Katev, S. Tcholakova, in Drug. Dev. Ind. Pharm. (2018) doi: 10.1080/03639045.2018.1438461

4. Effect of Surfactant–Bile Interactions on the Solubility of Hydrophobic Drugs in Biorelevant Dissolution Media. Z. Vinarov, V. Katev, N. Burdzhiev, S. Tcholakova, N. Denkov, Mol. Pharm. 15 (2018) 5741−5753 doi: 10.1021/acs.molpharmaceut.8b00884

 

2017

1. Efficient Self-Emulsification via Cooling-Heating Cycles. S. Tcholakova, Z. Valkova, D. Cholakova, Z. Vinarov, I. Lesov, N. D. Denkov, K. Smoukov. Nature Comm., 8 (2017) 15012; doi: 10.1038/ncomms15012

 

2016

1. Mechanism of Lowering Cholesterol Absorption by Calcium Studied by In Vitro Digestion Model. L. Vinarova, Z. Vinarov, S. Tcholakova, N. D. Denkov, S. Stoyanov, A. Lips. Food & Function 7 (2016) 151–163.

2. Improving Ibuprofen Solubility by Surfactant-Facilitated Self-Assembly into Mixed Micelles. K. Stoyanova, Z. Vinarov, S. Tcholakova. J. Drug. Deliv. Sci. Tec. 36 (2016) 208–215.

 

2015

1. Lowering of Cholesterol Bioaccessibility and Serum Concentrations by Saponins: in Vitro and in Vivo Studies. L. Vinarova, Z. Vinarov, V. Atanasov, I. Pantcheva, S. Tcholakova, N. Denkov, S. Stoyanov. Food & Function 6 (2015) 501–512.

2. Mechanisms of Cholesterol and Saturated Fatty Acid Lowering by Quillaja saponaria Extract, Studied by in vitro Digestion Model. L. Vinarova, Z. Vinarov, B. Damyanova, S. Tcholakova, N. Denkov, S. Stoyanov. Food & Function 6 (2015) 1319–1330.

 

2013

1. Ice cream: A delicious mix of crystals, droplets and bubbles. Z. Vinarov, BBC Knowledge (Bulgaria), 43 (2013) 28-33. [in Bulgarian, popular science]

 

2012

1. Effects of Emulsifier Charge and Concentration on Pancreatic Lipolysis. 1. In the Absence of Bile Saltsd. Z. Vinarov, Y. Petkova, S. Tcholakova, N. Denkov, S. Stoyanov, E. Pelan, A Lips, Langmuir 28 (2012) 8127-8139.

2. Effects of Emulsifier Charge and Concentration on Pancreatic Lipolysis: 2. Interplay of Emulsifiers and Biles. Z. Vinarov, S. Tcholakova, B. Damyanova, Y. Atanasov, N. Denkov, S. Stoyanov, E. Pelan, A. Lips, Langmuir 28 (2012) 12140-12150.

3. In vitro study of triglyceride lipolysis and phase distribution of the reaction products and cholesterol: effects of calcium and bicarbonate. Z. Vinarov, L. Petrova, S. Tcholakova, N. Denkov, S. Stoyanov, A. Lips, Food & Function 3 (2012) 1206-1220.

4. Role of calcium in the battle against "bad" cholesterol. Z. Vinarov, BBC Knowledge (Bulgaria) (2012) 36 64-69. [in Bulgarian, popular science]