Stilian Stoeff

Medical University Sofia, Medical Faculty Department Physics and Biophysics Phone: +359 2 91 72 516… +359 899 519862 E-mail: stilianstoeff  yahoo.com stoeff  medfac.acad.bg   Fields of Research: Arterial hypertension, blood, erythrocytes, leukocytes, electrophoretic mobility of particles and cells, sialic acid, plasma viscosity, erythrocyte- and leukocyte aggregation, turnover of the protein- and lipid metabolism.

Recent Publications:

• S.Stoeff, Sv. Jovtchev, I.Dikov, D. Kolarov, T. Galabova, N. Trifonova, Sv. Hadjieva, A. Mladenova, L. Lambreva and M. Penev. Quantitative expediency assessment of the zeta sedimentation ratio and the plasma viscosity in arterial hypertension research, Clin. Hemorheol. Microcirculation, 39, 2008, 381-384.
• S. Jovtchev, S. Stoeff, K. Arnold and O. Zschörnig, Studies on the aggregation behaviour of pegylated human red blood cells with the Zeta sedimentation technique,
• Clin. Hemorheol. Microcirculation, 39, 2008, 229-233.
• Stilian Stoeff, Iliana Buteva, Nedka Trifonova, Maria Stamenova, Winrich Breipohl, Assessment of von Willebrand factor as a marker for endothelial dysfunction in arterial hypertension.2nd EuroSummer School on Biorheology & Symposium on Micro Mechanobiology of Cells, Tissues and Systems, Varna, September 17th-20th, 2006, Bulgaria, Proceedings, pp.92-95, (Ed. N. Antonova) Publ. by Avangard Sofia 2007.
• Stilian Stoeff, Ivan Dikov, Nedka Trifonova, Sylvia Skelina, Dobrin Kolarov, Tanja Galabova, Svetoslav Jovtchev, Antoaneta Mladenova, Marin Penev, A study of hematological indices in pregnancy. 2nd EuroSummer School on Biorheology & Symposium on Micro Mechanobiology of Cells, Tissues and Systems, Varna, September 17th-20th, 2006, Bulgaria, Proceedings pp.96-99, (Ed. N. Antonova) Publ. by Avangard Sofia 2007.
• Stilian Stoeff, Slaven Slaveikov, Svetlana Hadjieva, Tanja Galabova, Nedka Trifonova, Svetoslav Jovtchev, Oxidative stress in primary hypertension. 2nd EuroSummer School on Biorheology & Symposium on Micro Mechanobiology of Cells, Tissues and Systems, Varna, September 17th-20th, 2006, Bulgaria, Proceedings pp.100-103, (Ed. N. Antonova) Publ. by Avangard Sofia 2007.
• Stilian Stoeff, Contemporary hemorheologic references- A contribution to the common theory of unified pathogenetic mechanism of the cardiovascular diseases. Medical review (bulg.), 2005, 41, No 4, 65- 71.
• S. Stoeff, I. Dikov, M. Vretenarska, S. Jovtchev, T. Galabova, N. Trifonova, A. Mladenova, S. Hadjieva, L. Lambreva, M. Penev. Quantitative utility assessment of some biophysical and rheological tests used in hypertension research. II. Relation of the test parameters to some clinico- laboratory indices. Comptes rendus de l’ Academie bulgare des Sciences, 2005,Tome 58, No 4, 463 –468.
• Stoeff, S., A. Mladenova, Sv. Jovtchev, M. Tsaneva, T. Galabova, M. Vretenarska, I. Raichev, I. Dikov, N. Trifonova, L. Lambreva, M. Penev, A Survey of haemostatic indices in patients with arterial hypertension, IX. National Conference on Biomedical Physics and Engineering, Sofia, 14-16.10.2004, Proceedings VII.6. 315-320.
• Stoeff, S., M. Vretenarska, I. Dikov, N. Stojanova, S. Halacheva , Sv. Jovtchev, M. Tsaneva, T. Galabova, N. Trifonova, M. Penev, On the relationships between erythrocyte aggregation, plasma viscosity and the total peripheral resistance in arterial hypertension, Clin. Hemorheol. Microcirculation, 30, 2004, 439-441.
• Zh. Naychov, T. Galabova, N. Trifonova, I. Dikov, A. Barbova, K. Petkova, M. Vretenarska, S. Stoeff, E. Rachev, M. Penev, Marternal leukocyte aggregation in normal and preeclamptic pregnancy, Acta Medica Bulgarica, 2003,vol. 30, pp.46-50.
• Stoeff, S., I. Dikov, M. Vretenarska, S. Jovtchev, N. Trifonova, M. Penev, Quantitative utility assessment of some biophysical and rheological tests used in hypertension research. I. Relevance analyses of the test parameters, Comptes rendus de l’Academie bulgare des Sciences, Vol. 56, No. 5, 2003, 95-100.
• Jovtchev, S., I. Dzhenev, H. Bäumler, S. Stoeff , M. Marinov,
• S. Stoylov. Factors determining the electro-optical behaviour of red blood cells. Colloids and Surfaces A: Physicochem. and Eng.Aspects, 209, 2002, 257–265.
• Jovtchev, S., I. Djenev, S. Stoeff, S. Stoylov, Role of electrical and mechanical properties of red blood cells for their aggregation Colloids and Surfaces A: Physicochemical and Engineering Aspects 164, 2-3, 95-104, 2000.
• Vaisberg. Ch., S. Jovtchev, M. Marinov, S. Stoeff. Selenium intake and oxidative susceptibility of blood and sperm from young bulls. Mac. J. Reprod., 6, 2, 115-121, 2000.
• Klesbczynska, H. St. Stoeff, N. Popdimitrova, J. Deleva, N. Kantchev. Fungicide effect on the erythrocyte electrophoretic mobility. Eighth National Conference on Biomedical Physics and Engineering (with international participation), Sofia, Bulgaria, 12-14 October, 2000, Proceedings, 78-81.
• Stoeff, S., S. Jovtchev, I. Dikov, I. Djenev, M. Vretenarska, N. Trifonova, M. Marinov, M. Penev. Plasma viscosity as possible alternative used to screen in vitro for preeclampsia. Eighth National Conference on Biomedical Physics and Engineering (with international participation), Sofia, Bulgaria, 12-14 October, 2000, Proceedings, 176-179.
• Jovtchev, S., I. Dzhenev, S. Stoeff. Model investigations on red blood aggregation with the zeta sedimentation approach – role of cell deformability and albumin. Eighth National Conference on Biomedical Physics and Engineering (with international participation), Sofia, Bulgaria, 12-14 October, 2000,Proceedings, 74-77.

Recent Projects:
Rheological and haemostatic factors in healthy pregnants and pregnants with hypertension or preeclampsia (Research project granted by the Council of Medical Science in the Medical University Sofia- contract No 36 of the year 2001).

Membership:
Bulgarian Society of Biorheology (theoretical, experimental and clinical).