Language:  English Bulgarian

List of publications

and related scientific activities of Dr. Nina Dimcheva

Thesis

A. N.D. Dimcheva, CoTMPP Catalyst for Enzyme Electrodes: (1990) M. Sc. Thesis (Bulgarian Academy of Sciences Central Laboratory of Electrochemical Power Sources); University of Sofia, Bulgaria.

B. N.D. Dimcheva: Enzymatic and electrochemical reactions of enzymes immobilized on carbon materials: (2001) Ph.D. Thesis (Bulgarian Academy of Sciences; Institute of Physical Chemistry); Sofia, Bulgaria.

Full-length papers:

1992-1999

1. A. Kaisheva, P. Atanassov, S. Gamburzev, N. Dimcheva, and I. Iliev, Amperometric Biosensors for Glucose and Lactate: (1992) Sensors and Actuators B, 8, 53 - 57 (IF 1.074)

2. E. Horozova, N. Dimcheva, Z. Jordanova and I. Kirova - Catalytic activity of xanthine oxidase immobilized on carbon materials, Proc. of the 8-th Int. Symp. Heterogeneous Catalysis, part 1, Varna, 1996, p.291-296.

3. E. Horozova, N. Dimcheva, and Z. Jordanova, Electrochemical Activity of Xanthine Oxidase Immobilized on Carbon Matrices. (1996) Proc. National Workshop of Bulgarian Electrochemical Society, Sofia, Bulgaria, 252-257. (in Bulgarian)

4. E. Horozova, N. Dimcheva, and Z. Jordanova, Enzymatic and Electrochemical Reactions of Xanthine Oxidase Immobilized on Carbon Materials: (1997) Zeitschrift für Naturforschung 52C, 159-164. (IF 0.904)

5. E. Horozova, N. Dimcheva, Z. Jordanova, and I. Kirova, Catalytic Properties of Xanthine Oxidase Immobilized on Carbon Materials (1997) Indian J. Chemistry 36A, 335-338. (IF 0.377)

6. E. Horozova, N. Dimcheva, and Z. Jordanova, Adsorption, Catalytic and Electrochemical Activity of Catalase Immobilized on Carbon Materials (1997) Zeitschrift für Naturforschung 52C, 639-644. (IF 0.904)

7. E. Horozova, N. Dimcheva and Z. Jordanova - Peroxidase oxidation of phenol by catalase immobilized on carbon materials, Third World Congress on Oxidation Catalysis, San Diego, California, 1997, 1239-1244.

8. Е. Horozova, N. Dimcheva, and Z. Jordanova, Peroxidase-Like Activity of Catalase Immobilized on Carbon Materials: (1998) Zeitschrift für Naturforschung 53C, 863-866. (IF 0.839)

9. E.Horozova, N. Dimcheva and Z. Jordanova, Enzyme electrode for xanthine analysis. Proc. of the 50-th Jubilee Session of the Bulgarian Scientists’ Society (1998), vol.III, 169-172 (BG: Ензимен електрод за анализ на ксантин).

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2000-2003

10. E. Horozova, N. Dimcheva, and Z. Jordanova, Catalytic Decomposition of 3-Chloroperoxybenzoic Acid by Immobilized Catalase in a Non-Aqueous Medium: Zeitschrift fur Naturforschung (2000) 55C, 55-59. (IF 0.979)

11. E. Horozova, N. Dimcheva, and Z. Jordanova, Study of Xanthine Oxidase Immobilized Electrode Based on Modified Graphite: Zeitschrift fur Naturforschung (2000) 55C, 60-65. (IF 0.979)

12. E. Horozova, N. Dimcheva, and Z. Jordanova, Catalytic activity of immobilized catalase on decomposition of 3-chloroperoxybenzoic acid in tetrachloromethane; Proc. of the 9-th International Symposium of Heterogeneous Catalysis, Varna, Bulgaria, (2000) 259 - 264.

13. E. Horozova, N. Dimcheva, and Z. Jordanova, Electrooxidation of phenol by immobilized catalase: Bioelectrochemistry (2001) 53, 11-16. (IF 1.324)

14. E. Horozova, N. Dimcheva, and Z. Jordanova, Enzyme-Catalyzed Decomposition of Dibenzoyl Peroxide in Organic Solvents: Zeitschrift fur Naturforschung (2001) 56C, 553-558. (IF 0.979)

15. E. Horozova, N. Dimcheva and Z. Jordanova, Study of Catalase Electrode for Organic Peroxides Assays: Bioelectrochemistry (2002) 58, 181-187. (IF 1.462)

16. N. Dimcheva, E. Horozova and Z. Jordanova, A Glucose Oxidase Immobilized Electrode Based on Modified Graphite: Zeitschrift fur Naturforschung (2002) 57C, 705-711. (IF 0.979)

17. N. Dimcheva, E. Horozova and Z. Jordanova, An Amperometric Xanthine Oxidase Enzyme Electrode Based on Hydrogen Peroxide Electroreduction: Zeitschrift fur Naturforschung (2002) 57C, 883-889. (IF 0.979)

18. N. Dimcheva, E. Horozova and Z. Jordanova: Study of enzyme electrode for organic peroxides (3-CPBA) in non-aqueous medium. Ann. Rep. Bulg. Sci. Soc.; (2002) vol. II , 221-228 (in Bulgarian).

19. N.Dimcheva, E.Horozova, and Z. Jordanova: Amperometric enzyme electrodes (BG: Амперометрични ензимни електроди.) Sci. Works of the Plovdiv Univ. (2002) 31 (5) 69-78 (in Bulgarian, review paper).

20. N. Dimcheva, E. Horozova and Z. Jordanova: Do the enzymes work in a non-aqueous medium? Organic-phase biocatalytic systems for decomposition of organic peroxides Ann. Rep. Bulg. Sci. Soc.; (2003) vol. IV 118-123 (BG: Работят ли ензимите в неводна среда? Органично-фазни биокаталитични системи за разлагане на органични пероксиди.).

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2004-2005

21. A. Christensson, N. Dimcheva, E.E. Ferapontova, L. Gorton, T. Ruzgas, L. Stoica, S. Shleev, A.I. Yaropolov, D. Haltrich, R.N.F. Thorneley, S.D. Aust: Direct electron transfer between ligninolytic redox enzymes and electrodes, Electroanalysis (2004) 16 (13-14)1074-1092.(a review) (IF 2.038)

22. N. Dimcheva, E. Horozova and Z. Jordanova: Decomposition of cumene hydroperoxide in acetonitrile by immobilized catalase, Bulg. Chem & Industry (2004) 75 (1-2) 1-7.

23. E. Horozova and N. Dimcheva: Kinetic study of catalase adsorption on disperse carbonaceous matrices, Centr. Eur.Sci.J.- Chemistry, (2004) 2 (4) 627-637. (IF 0.171)

24. T Shougova, N. Dimcheva, E. Horozova: Operational characteristics of an amperometric Xanthine oxidase electrode with a considerably improved selectivity of the assay. Proc. of the Annual conference on Food Science, Technique and Technologies’2004, Plovdiv. 403–407. (BG: Операционни характеристики на амперометричен ксантиноксидазен електрод със значително подобрена селективност на аналитичното определяне.)

25. N. Dimcheva, E. Horozova, T. Shougova, and Z. Jordanova: Factors affecting the immobilized catalase activity under non-aqueous conditions, Sci. Works of the Plovdiv Univ., (2004) 32 (5) 79-87.

26. N. Dimcheva and E. Horozova: Catalatic reaction under non-aqueous medium: a comparison of catalase- and peroxidase-based organic phase enzyme electrodes) Ann. Rep. Bulg. Sci. Soc.; (2005) vol. V 23-28. (BG: Каталазна реакция в неводна среда: сравнение между органично-фазни ензимни електроди на базата на каталаза и пероксидаза.)

27. N. Dimcheva, E.Horozova and T.Shougova: The Enzyme source effect on the performance of a catalase organic phase enzyme electrode, Monats. für Chemie, (2005) 136, 147 - 152. (IF 0.935)

28. L. Stoica, N. Dimcheva, D. Haltrich, T. Ruzgas, and L. Gorton: Electrochemical investigation of direct electron transfer between cellobiose dehydrogenase from new fungal sources on Au electrodes modified with different alkanethiols. Biosensors and Bioelectronics (2005) 20, 2010–2018. (IF 3.463)

29. E.Horozova, T.Dodevska and N.Dimcheva: Adsorptivity and characteristics of the energy status of hydrogen and oxygen, hemosorbed on modified graphite. Proc. of the Balkan Conference of Young Scientists (2005) vol. V (C); 309-314; Publ. Bulg. Sci. Soc.- Plovdiv.

30. E.Horozova, N.Dimcheva, Z. Jordanova: Electrocatalysis with adatoms of rhodium on graphite. Proc. of the Balkan Conference of Young Scientists (2005) vol. V (C); 274-279; Publ. Bulg. Sci. Soc.- Plovdiv.

31. Нина Димчева, Елена Хорозова: Non-aqueous biocatalysis by catalase immobilised on Ti-silicate. Sci. Reports of the Plovdiv Univ., 33 (5) (2005) 55-59.

32. E. Horozova and N. Dimcheva: Study of catalase immobilized on silicate matrix for non-aqueous biocatalysis, Centr. Eur. J. Chemistry (2005) 3(2), 279-287. (IF 0.554)

33. N. Dimcheva and E. Horozova: HRP-based organic – phase enzyme electrode: Analytical & Bioanalytical Chemistry, (2005) 382 (6), 1374-1379. (IF 2.695)

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2006-2008

34. T. Dodevska, E. Horozova and N. Dimcheva: Electrocatalytic reduction of hydrogen peroxide on modified graphite electrodes: application to the development of glucose biosensors. Anal. Bioanal. Chem. (2006) 386 (5) 1413-1418. (IF 2.591)

35. Н. Димчева, К. Тодорова, Е. Хорозова: Адсорбция на пероксидаза върху активен въглен. Научни трудове на ПУ- химия., 34 (5) (2006) 119-124.

36. Н. Димчева, Е. Хорозова: Потенциометрия в неводна среда. Научни трудове на СУБ, Пловдив, том VI I (2 006),186-189.

37. Т. Додевска, Е. Хорозова, Н. Димчева: Модифицирани графитови електроди - база за разработване на селективни глюкозни биосензори. Научни трудове ПУ, 34 (5) (2006) 113-118.

38. T. Dodevska, E. Horozova, N. Dimcheva: Biosensor for xanthine with improved sensitivity and detection limit, Sci. Works of the Plovdiv Univ., Chem., 35,(5) (2007)37-43.

39. Н. Димчева, Е. Хорозова, Т. Додевска, С. Василева: Оптимизиране адсорбцията на каталаза от животински произход върху активен въглен “Norit”, Научни трудове на СУБ , Пловдив, т. Х (2008) , 216-219.

40. E. Horozova, T. Dodevska, N. Dimcheva: Modified with microquantities of platinum metals graphites: Application to the development of xanthine oxidase enzyme electrode. Journal of the University of Chemical Technology and Metallurgy, 43/ 1 ( 2008) 59-64.

41. E. Horozova, N. Dimcheva, M. Miteva, Z. Jordanova: Rhodium deposits on graphite: The impact of the graphite pad on the electrocatalysic activity in the electrooxidation of formic acid. Bulgarian Chemical Communications 40/2 (2008) 129 – 136. (IF2008 0.152)

42. E. Horozova, T. Dodevska, N. Dimcheva: Modified graphites as catalysts for electroreduction of hydrogen peroxide. Bulgarian Chemical Communications 40/3 (2008) 233-239. (IF2008 0.152)

43. N. Dimcheva: The progress in bioelectrode’s design: from biosensors to biofuel cells. An overview. Sci. Works of the Plovdiv Univ. (2008) 36 (5) 31-37.

44. T.Dodevska, E.Horozova, N. Dimcheva: Microdeposits of platinum metals on carbon materials: the impact of the carbon support on the activity at the electroreduction of hydrogen peroxide. Sci. Works of the Plovdiv Univ. (2008) 36 (5) 97-103

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2009-2010

45. Horozova, E., Dodevska, T., Dimcheva, N.: Modified graphites: Application to the development of enzyme-based amperometric biosensors. Bioelectrochemistry 74 (2009) 260 - 264. (IF2009 2.652).

46. L. Stoica, N. Dimcheva, Y. Ackermann, K. Karnicka, D. A. Guschin, P. J. Kulesza, J. Rogalski, D. Haltrich, R. Ludwig, L. Gorton, W. Schuhmann, Membrane-less biofuel cell based on cellobiose dehydrogenase (anode)/laccase (cathode) wired via specific Os-redox polymers Fuel Cells 9 (2009) 53-62. (IF2009 2.557)

47. Н. Димчева, Е. Хорозова, Т. Додевска: Хем-съдържащите ензими каталази – ефективни биоелектрокатализатори при електрохимичното окисление на фенол. Научни трудове на СУБ т. ХІІ (2009) 166-169.

48. V. Rangelova, D. Tsankova, N. Dimcheva: Soft Computing Techniques in Modelling the Influence of pH and Temperature on Dopamine Biosensor in (Vernon S. Somerset – Ed) «Intelligent and Biosensors», pp. 99-122 , Publ. INTECH, Croatia, (2010) ISBN 978 -953 – 7619 – 58 -9, 386 pages.

49. T. Dodevska, E. Horozova, N. Dimcheva: Design of an amperometric xanthine biosensor based on a graphite transducer patterned with noble metal microparticles. Central European Journal of Chemistry 8 (1) (2010) 19-27. (IF2010 0.991)

50. Y Ivanov, I Marinov, K Gabrovska, N Dimcheva, T Godjevargova. Amperometric biosensor based on a site-specific immobilization of acetylcholinesterase via affinity bonds on a nanostructured polymer membrane with integrated multiwall carbon nanotubes. Journal of Molecular Catalysis B- Enzymatic 63 (2010) 141-148. (IF2010 2.330)

51. DA Guschin, J Castillo, N Dimcheva, W Schuhmann: Redox electrodeposition polymers: Adaptation of the redox potential of polymer-bound Os complexes for bioanalytical applications. ABC (2010) 389 (4) 1661-1673 (IF2010 3.841).

52. N. Dimcheva, E. Horozova, R. Nenkova and Tz. Godjevargova: Design of an electrochemical biosensor for pesticide control: part I – Optimisation of the electrode reaction. Ann. Rep. Bulg. Sci. Soc. (2010) ХІІ, 325-328.

53. T. Dodevska, E. Horozova, N. Dimcheva and R. Mussarlieva: Electrocatalytic activity of microdeposits of Pd and Au on glassy carbon. Ann. Rep. Bulg. Sci. Soc. (2010) ХІІ, 329-332.

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2011-2012

54. Y. Velichkova, Y. Ivanov, I. Marinov, R. Ramesh, N. R. Kamini, N. Dimcheva, E. Horozova, Tz. Godjevargova: Amperometric electrode for determination of urea using electrodeposited rhodium and immobilized urease. Journal of Molecular Catalysis B: Enzymatic 69 (2011) 168–175 (IF2010 2.330)

55. N. Dimcheva, E. Horozova and T. Dodevska: Direct electrochemistry of myoglobin immobilized on non-modified and modified graphite. Bulg. Chem. Communications (2011) 43 (1) 17-22 (IF2011 0.283).

56. E. Horozova, T. Dodevska, N. Dimcheva, R. Mussarlieva: Electrocatalytic reduction of hydrogen peroxide on palladium-gold codeposits on glassy carbon: applications to the design of interference-free glucose biosensor. International Journal of Electrochemistry – Volume 2011, Article ID 697698, 8 pages; (special issue Electrocatalysis: Fundamentals and Applications (2011)) http://www.hindawi.com/journals/ijelc/2011/697698/. DOI: 10.4061/2011/697698

57. Dochko Dochev, Jivko Denchev, Nina Dimcheva: Electrochemical modification of graphite with Prussian Blue - characterisation and electroanalytical application. Proc. of the conference of FMNS- South-West University, Bulgaria (2011) vol. I, pp. 301-308.

58. Е. Хорозова, Д. Георгиева, Т. Додевска, Н. Димчева: Електрохимия на миоглобин, хемисорбиран върху позлатен графит – Научни трудове на ПУ, (2012) том 38, кн. 5, 171-179.

59. Т. Додевска, Е. Хорозова, Н. Димчева: Директна електрохимия на аскорбатоксидаза имобилизирана върху модифициран с Au-отложения спектрално чист графит. Научни трудове на УХТ, 2012, том LIX, 104-107.

60. Руска Ненкова, Недялка Димова, Нина Димчева, Цонка Годжевъргова, Наноструктуриран биосензор за анализ на глюкоза, НАУЧНИ ТРУДОВЕ на Русенския университет „Ангел Кънчев”, (2012) Том 51, серия 9.2, Биотехнологии и хранителни технологии, стр.120.

61. Теофил Ямболиев, Елена Хорозова, Нина Димчева: Изследване на устойчивостта срещу корозия на ВИГ съединения, заварени с постоянен и импулсен ток, от аустенитна стомана 1.4301 (AISI 304). НАУЧНИ ТРУДОВЕ на Русенския университет - 2012, том 51, серия 2, 201-205.

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2013

62. Nina Dimcheva and Elena Horozova: Direct electrochemistry of Penicillium chrysogenum catalase adsorbed on spectroscopic graphite. Bioelectrochemistry, 2013, 90, 1-7 (IF2012 = 3.947) doi: 10.1016/j.bioelechem.2012.09.003.

63. Nina Dimcheva, Totka Dodevska, Elena Horozova: Direct electrochemistry of ascorbate oxidase self-assembled on Au – modified glassy carbon: Journal of the Electrochemical Society, 160 (8) H414-H419, 2013 (IF2012 = 2.59) doi:10.1149/2.025308jes.

64. T. Dodevska, E. Horozova, N. Dimcheva: “Electrochemical and structural characteristics of carbonaceous electrodes modified with micro- and nanodeposits of platinum metals”, Bulgarian Chemical Communications, 2013, (IF2012 = 0.320, accepted)

65. Nina Dimcheva, Elena Horozova, Yavor Ivanov, Tzonka Godjevargova: Self-assembly of acetylcholinesterase on gold nanoparticles electrodeposited on graphite. Central European Journal of Chemistry, 2013, 11(11):1740-1748 (IF2012 = 1.167) DOI:10.2478/s11532-013-0307-3.

66. Tharamani Chikka-Nagaiah, Dominik Schäfer, Wolfgang Schuhmann and Nina Dimcheva, Electrochemically deposited Pd-Pt and Pd-Au co-deposits on graphite electrodes for electrocatalytic H2O2 reduction. Analytical Chemistry, 2013, 85, 7897−7903 (IF2012 = 5.695) DOI:10.1021/ac401317y.

67. Totka Dodevska, Elena Horozova, Nina Dimcheva: Electrochemical behavior of ascorbate oxidase immobilized on graphite electrode modified with Au – nanostructures: Material Science and Engineering B, 2013, 178 (20), 1497-1502 (IF2012 = 1.518) DOI: 10.1016/j.mseb.2013.08.012.

68. Georgi Hristov, Elitsa Chorbadzhiyska, Antigoni Evdou, Lori Nalbandian, Nina Dimcheva, Yolina Hubenova, Mario Mitov: Ab initio study of Pd-Au Electrodeposits as Anodic Catalyst for Direct Borohydride Elelctrooxidation. MATHEMATICS AND NATURAL SCIENCE - SWU-Blagoevgrad, 2013, pp.97-103.

69. Т. M. Додевска, Н. Д. Димчева, Е. Г. Хорозова: Електрокаталитично окисление на глюкоза върху графитов електрод, модифициран с осмиев комплекс. Научни трудове том LX “Хранителна наука, техника и технологии – 2013“, 711-715.

70. Т. M. Додевска, Е. Г. Хорозова, Н. Д. Димчева: Електрокаталитично окисление на L-аскорбинова киселина върху модифицирани с Au-наночастици въглеродни електроди. Научни трудове том LX “Хранителна наука, техника и технологии – 2013“, 716-721.

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Books:

I. N. Dimcheva: The Second Principle of Thermodynamics. Entropy, pp. 111-124; and Thermodynamic Potentials – the Gibbs and the Helmholz Free Energies, pp.124-135, in E. Horozova, St. Christoskova, K. Kanchev, R. Mantcheva, M. Stoyanova, N. Dimcheva and V. Delchev, Physical Chemistry in Problems and Questions, Part I (in Bulgarian), Publ. University of Plovdiv Publishing House, Plovdiv, Bulgaria (2003), approved by the Bulgarian Ministry of Education.

II. N. Dimcheva: Surface Phenomena. Adsorption; pp.3-16, in: St. Christoskova, E. Horozova, K.Kanchev, R. Mantcheva, M. Stoyanova, N. Dimcheva and V. Delchev, Physical Chemistry in Problems and Questions, Part II (in Bulgarian), Publ. University of Plovdiv Publishing House, Plovdiv, Bulgaria (2004).

III. N. Dimcheva and E.Horozova: Раздели Биокатализ и Електрокатализ (sections Biocatalysis and Electrocatalysis – 9 units), in: E. Horozova, St. Christoskova, K.Kanchev, R. Mantcheva, M. Stoyanova, N. Dimcheva and V. Delchev: Applied Physical Chemistry (in Bulgarian) – textbook for graduate studies. Publ. University of Plovdiv Publishing House, Plovdiv, Bulgaria (2006).

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Oral/poster presentations on the following International Conferences:

1. The 8-th Int. Symp. Heterogeneous Catalysis, Varna, Bulgaria, 1996.

2. The Third World Congress on Oxidation Catalysis, San Diego, California, 1997.

3. The First International Conference of Chemical Science and Industry; Halkidiki, Greece, 1998.

4. The 9-th International Symposium of Heterogeneous Catalysis, Varna, Bulgaria, 2000.

5. The 55-th Annual Meeting of the International Society of Electrochemistry, Thessaloniki, Greece, September, 2004.

6. The Balkan Conference of Young Scientists, Plovdiv, Bulgaria, 2005.

7. 6th Spring Meeting of the ISE –Foz do Iguacu, ISE 2008 Spring Meeting, Foz do Iguaçu, Brazil – March 16-19, 2008: Y. Ackermann, N. Dimcheva, K. Karnicka, L. Stoica, D.Guschin, P.J. Kulesza, L. Gorton, W. Schuhmann, Tunable redox polymer matrices for the development of membraneless biofuel cells using a laccase cathode and cellobiose dehydrogenase anode.

8. 12th International Conference on Electroanalysis Prague, Czech Republic, 16 - 19 June (2008) Stoica L., Dimcheva N., Ackermann Y., Guschin D.,Gorton L., Muhler M. , Schuhmann W. Advanced design of a biofuel cell using lactose/cellobiose as fuel for anode.

9. 59-th Annual Meeting of the International Society of Electrochemistry (ISE) – Seville, Spain, 09. 2008: W. Schuhmann, Y. Ackermann, N. Dimcheva, K. Eckhard, L. Gorton, D. Guschin, K. Karnicka, P. J. Kulesza, S. Shleev, L. Stoica, Design of electron-transfer pathways and localized visualization of immobilized biocatalytic activities for the development of improved biofuel cells

10. PITTCON 2011- Atlanta, GA, USA March 12-18, 2011: Nina Dimcheva,Tharamani Chikka-Nagaiah, Dominik Schäfer, Elena Horozova and Wolfgang Schuhmann: Electrodeposited On Graphite Pd-Pt And Pd-Au Surface Alloys: Visualization Of Local Catalytic Activity And Surface Morphology.

11. Regional Symposium on Electrochemistry, Bucharest, Romania, May 13-17, 2012: Nina Dimcheva, Totka Dodevska, Elena Horozova: Electrochemical biosensors based on biocatalysts self-assembled on gold-plated graphite.

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Poster and oral presentations on National Conferences and Workshops:

  1. National Workshop of Bulgarian Electrochemical Society, Sofia, (1996) Bulgaria – poster presentation.
  2. 5th National Conference on Catalysis , 25-26 November, 1998, Bulgaria. – poster presentation
  3. 3rd National Conference on Chemistry , 14-16 April, 1999, Plovdiv, Bulgaria – oral presentation.
  4. 6th National Conference on Catalysis , 22-23 November 2000, Bulgaria. – poster presentation
  5. 4th National Conference on Chemistry , 27-29 September 2001, Sofia, Bulgaria. – poster presentation
  6. Ann. Scientific Sessions of the Plovdiv University, June 2002, Rhodopa mountains, Plovdiv region, Bulgaria- oral presentation.
  7. Ann. Meeting Bulg. Sci. Soc. ; Section: Chemistry& Chem. Technology; November, 2003, Plovdiv, Bulgaria – oral presentation.
  8. 8th National Conference on Catalysis , 27-28 November, 2003 Sofia, Bulgaria.- poster presentation.
  9. Ann. Scientific Sessions of the Plovdiv University, June 2004 Rhodopa mountains, Plovdiv region, Bulgaria-poster presentation
  10. Annual conference on Food Science, Technique and Technologies’2004 , Plovdiv, Bulgaria- poster presentation
  11. Ann. Meeting Bulg. Sci. Soc .; Section: Chemistry & Chem. Technology; October, 2004 Plovdiv, Bulgaria– oral presentation
  12. Ann. Meeting Bulg. Sci. Soc .; Section: Chemistry & Chem. Technology; October, 2005 Plovdiv, Bulgaria– oral and poster presentation
  13. Ann. Scientific Sessions of the Plovdiv University, June 2005 Rhodopa mountains, Plovdiv region, Bulgaria-poster presentation
  14. Ann. Scientific Sessions of the Plovdiv University, June 2006 Hissarya, Plovdiv region, Bulgaria-poster presentation
  15. Ann. Scientific Sessions of the Plovdiv University, June 2007 Plovdiv University, Plovdiv, Bulgaria-poster presentation
  16. Ann. Scientific Sessions of the Plovdiv University, October 2008 St.st. Kirik and Juliet, Plovdiv region, Bulgaria-oral presentation
  17. Ann. Meeting Bulg. Sci. Soc .; Section: Chemistry & Chem. Technology; November, 2008 Plovdiv, Bulgaria– oral and poster presentation
  18. Ann. Meeting Bulg. Sci. Soc .; Section: Chemistry & Chem. Technology; November, 2009 Plovdiv, Bulgaria– oral and poster presentation
  19. Ann. Meeting Bulg. Sci. Soc .; Section: Chemistry & Chem. Technology; November, 2010 Plovdiv, Bulgaria– oral and poster presentation
  20. National Workshop of Bulgarian Electrochemical Society, Sofia, Bulgaria (2010) – poster presentation.
  21. 7th National Conference on Chemistry , 26-29 May 2011, Sofia, Bulgaria. – oral presentation: Nina Dimcheva, Elena Horozova, Tzonka Godjevargova, Maria Chuleva, and Dilyana Georgieva: Self-assembly of protein monolayers on thin gold films electrodeposited on graphite: potential for biosensing environmental pollutants.
  22. 9-th Chemistry Conference- the University of Plovdiv, October, 14-16, 2011 Plovdiv : poster presentation:lectrochemistry of myoglobin self-assembled on gold-plated graphite.
  23. Ann. Meeting Bulg. Sci. Soc .; Section: Chemistry & Chem. Technology; November, 2011 Plovdiv, Bulgaria– oral and poster presentation
  24. Т. Додевска, Е. Хорозова, Н. Димчева – „Директна електрохимия на аскорбатоксидаза имобилизирана върху модифициран с Au-отложения спектрално чист графит”, постер,Научна конференция с международно участие „Хранителна наука, техника и технологии 2012”, Пловдив, 19-20.10.2012 г.
  25. Т.Ямболиев, Е. Хорозова, Н.Димчева: „Изследване на устойчивостта на ВИГ съединения от аустенитна стомана 1,4301 (AISI 304) заварени с постоянен и импулсен ток“, доклад; Научна конференция на Русенския Университет Ангел Кънчев 27.10. 2012 .
  26. HYDECON – Greek- Bulgarian Workshop “Hydrogen Economy- the Roadmap to the Future”, Nov. 28-30, 2012, Blagoevgrad, Bulgaria. Доклад:
  27. Sofia Electrochemical Days, Sofia 11-15 Dec., 2012: Научна конференция с международно участие “Софийски електрохимични дни, 2012”

    a) N. Dimcheva, E. Horozova, T. Dodevska – “Electrochemistry and bioelectrocatalysis with fungal laccases”, доклад,

    b) T. Dodevska, E. Horozova, N. Dimcheva – “Electrochemical and structural characteristics of carbonaceous electrodes modified with micro- and nanodeposits of platinum metals”,постер,

  28. Т.Ямболиев, Е. Хорозова, Н.Димчева: „Изследване на устойчивостта на ВИГ съединения от аустенитна стомана 1,4301 (AISI 304) заварени с постоянен и импулсен ток“, доклад; Научна конференция на Русенския Университет Ангел Кънчев 27.10. 2012 .
  29. Научна конференция “Хранителна наука, техника и технологии – 2013“ 18-19 октомври 2013, Пловдив:

    а) Т. M. Додевска, Н. Д. Димчева, Е. Г. Хорозова: Електрокаталитично окисление на глюкоза върху графитов електрод, модифициран с осмиев комплекс.(постер)

    б) Т. M. Додевска, Е. Г. Хорозова, Н. Димчева: Електрокаталитично окисление на L-аскорбинова киселина върху модифицирани с Au-наночастици въглеродни електроди. (постер)

  30. 15- ти международен симпозиум Нанонауки и нанотехнологии, София, 21-23 нември, 2013 г.: Olga Teneva, Elena Horozova, and Nina Dimcheva: Electrocatalytic oxidation of L-ascorbic acid and its palmitate derivative on gold-nanoparticles modified graphite. (постер)
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Invited lectures:

1. Heme-contatining enzymes based amperometric biosensors applicable to non-aqueous medium: Scientific Session of the Trakya University, Edirne, Turkey (2005).

2. Biocatalysis related to electrochemistry – 9-th National Conference on Catalysis – Bulgarian Catalysis Society, Sofia, Bulgaria (2006).

3. The progress in bio-electrodes development: From biosensors to biofuel cells, 7th Chemistry Conference, “St.St. Cyric and Juliet”, 10-11 October 2008;

4. Electrodeposition of metal layers on graphite: characterization and possible applications in the development of first generation biosensors. March 22, The University of New Mexico, Albuquerque, NM, USA (2011);

5. Electrodeposition of metal layers on graphite: characterization and possible applications March 24, The University of St Louis, MO, USA (2011);

6. Electrodeposition of thin layers of noble metals on graphite: electrocatalytic activity, surface morphology and applications in the development of electrochemical enzyme biosensors. May 26, The University of Sofia, BG (2011)

Other activities:

Reviewing articles for Electroanalysis (Willey); Bioelectrochemistry (Elsevier); Electrochimica Acta (Elsevier), Microchimica Acta (Springer), Journal of Applied Electrochemistry (Springer); Central European Journal of Chemistry (Versita-Springer); Colloids and Surfaces B: Biointerfaces (Elsevier); Applied clay sciences (Elsevier), Biotechnology Progress (Willey Interscience), Bulgarian Chemical Communications etc..

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Funded Projects

International projects:

1) TEMPUS JEP 12451-97 project: Restructuring of the University chemistry education in Bulgaria: curricula and study programmes for bachelor degrees (1997/2000);

2) Research project supervised by prof. Gorton, (Lund University, Sweden) and supported by the Royal Swedish Academy of Natural Sciences 2002/2003;

3) Research project on Fuel cells supervised by prof. Wolfgang Schuhmann (Ruhr University, Bochum, Germany) and supported by the Ministry of Energy of North Rein-Westfalien, Germany 2007/2008.

Projects, sponsored by the National Science Foundation

1) Catalysis and bioelectrocatalysis with immobilized on carbon matrices enzymes, project leader –Dr. E.Horozova 1996/98;

2) Aluminum – based alloys intended for corrosion protection of enameled boiler’s containers for hot water; project leader – Dr. V. Kovachev, Assoc. Prof. at Technical University (2008/09, Innovation Fund)

3) Development of a highly efficient electrochemical biosensor for monitoring of organophosphorus pesticides- a collaborative research, coordinated by Prof. D.Sci. Godjevargova, Dept. Biotechnology, University “Assen Zlatarov”, Bourgas, 2009/11;

4) Bioelectrochemical methods for fast, selective and sensitive control of food quality and safety based on a green interdisciplinary research (FOQUS) –DVU-02/38; project leader N. Dimcheva (2010-2013).

Projects supported financially by the Plovdiv University Research Fund:

- Catalytic and electrochemical activity of immobilized catalase in organic media, grant PU-15 (1999/2000);

- Enzyme-catalytic decomposition of dibenzoyl peroxide in organic solvents, grant 01-X-01 (2001/2002);

- Organic phase bioelectrocatalytic systems based on immobilized on carbon matrices catalase, grant 03-X-14 (2003/2004).

- Biocatalytic systems based on heme-containing enzymes/proteins, grant 05-X-7 (2005/2006)

- Development, characterization and application of modified graphites as cost effective electrocatalysts in Organic electrochemistry. Grant 16-X-07 (2007/08)

- Development of a HPLC –facility, Grant IS-2/09 (2008/09).

- Modified carbonaceous materials in electrochemical and bioelectrochemical systems, Grant RS-12/09 (2009/10)

- Actual interdisciplinary studies in the area of chemistry; Grant HF-007/11(2011/12) lead by Dr. K. Gavazov, Assoc. Prof.; (BG: Акуални и интердисциплинарни изследвания в областта на химията:проект към Фонд Научни изследвания на ПУ ХФ-007/11 (2011/12) с ръководител доц.д-р К.Гавазов; HF-007/11)

- Experimental, theoretical and methodological developments on novel materials and technologies directed towards the protection of the human health and the environment; Grant HF-006/13 (2013/14), lead by Dr. G. Antova, Assoc. Prof. (BG: Експериментални, теоретични и методологични разработки за създаване на нови материали и технологии, насочени към опазване здравето на хората и околната среда”. проект към Фонд Научни изследвания на ПУ с ръководител доц. д-р Антова; НИ13 ХФ006/19.03.2013.)

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