Scientific papers published in ISI rated journals:
1. R. Fabian (Barabás), I. Kotsis, P. Zimány, P. Halmos: Preparation and chemical characterization of high purity fluorapatite, Talanta, 46, 1273-1277, 1998
2. R. Fabian (Barabás), I. Kotsis: Chemical characterization of fluorhydroxyapatites plasma spraying powders and plasma-sprayed coatings, Advances in Technology of Materials and Materials Processing Journal (ATM), 1, 18-23, 1998
3. R. Fabian (Barabás), I. Kotsis: Comparison of properties of fluorapatites prepared by solid state reaction and precipitation, Hungarian Journal of Industrial Chemistry, 27, 259-263, 1999
4. C.G. Aneziris, J. Hubalkova, R. Barabás, Microstructure evaluation of MgO-C refractories with TiO2- and Al-additions, Journal of the European Ceramic Society , 27, 73-78, 2007
5. E.S. Bogya, R. Barabás, V.R. Dejeu, Al. Csavdari, I. Baldea, Hydroxyapatite modified with silica used for sorption of copper(II), Chemical Papers, 63 (5) 568–573, 2009
6. V.R. Dejeu, R. Barabás, Al. Pop, E.S. Bogya, P.S. Agachi, Mathematical Modeling for the Crystallization Process of Hydroxyapatite Obtained by Precipitation in Aqueous Solution, Studia Chemia, 3, 61-69, 2009
7. V.R. Dejeu, R. Barabás, Al. Pop, E.S. Bogya, P.S. Agachi, Kinetic studies for the transformation process of beta-whitlockite in hydroxyapatite, Revista de Chimie, 12, 1251-1253, 2009
8. V.R. Dejeu, R. Barabás , A.M. Cormos, E.S. Bogya, P.S. Agachi Growth rate of hydroxyapatite crystals obtained by precipitation, Studia Chemia 2, 179-188, 2010
9. E.S. Bogya , I. Bâldea, R. Barabás, A. Csavdári, G. Turdean, V.R. Dejeu, Kinetic studies of sorption of copper (II) ions onto diefferent calciumhydroxyapatite materials, Studia Chemia 2, 363-373, 2010
10. R. Barabás, E.S. Bogya, V.R. Dejeu, L. Bizo, Ch. G. Aneziris, T. Kratschmer, P. Schmutz, Fluorhydroxyapatite coatings obtained by flame spraying deposition, International Journal of Applied Ceramic Technology, 8, 3, 566–571, 2011, Impact Factor: 1.28
11. A.C. Dancu, R. Barabás, E.S. Bogya: Adsorption of nicotinic acid on the surface of hydroxyapatite and structurally modified hydroxyapatite, Central European Journal of Chemistry, 9, 4, 2011, 660-669, 2011, Impact Factor: 1.01
12. E.S. Bogya, Melinda Czikó, G. Szabó, R. Barabás, The red beetroot extract antioxidant activity and adsorption kinetics onto hydroxyapatite-based materials, Journal of the Iranian Chemical Society, under press, DOI: 10.1007/s13738-012-0183-3
13. R. Barabás, M. Czikó, I. Dékány, L. Bizo, E. S. Bogya, Comparative study of particle size analysis for hydroxyapatite-based nanomaterials, Chemical Papers 67 (11), pp. 1414-142, 2013.
14. M. Czikó, E. S. Bogya, R. Barabás, L. Bizo, In vitro biological activity comparison of some hydroxyapatite-based composite materials using simulated body fluid, Central European Journal of Chemistry, 11 (10), pp. 1583-1598, 2013.
15. E. S. Bogya, M. Czikó, R. Barabás, A. Csavdári, Influence of synthesis method of nano-hydroxyapatite based materials on cadmium sorption processes, Journal of the Iranian Chemical Society (11), pp. 53-68, 2014.
16. B. Szilágyi, R. Barabás, Continuous precipitation: a model based
Stability analysis, Studia UBB Chemia, LVIII, 3, pp. 155-166, 2013.
17. B. Szilágyi, R. Barabás, B. G. Lakatos, Modelling and simulation of particle size distribution of precipitates in continuous tubular crystallizers, Periodica Polytechnica Chemical Engineering, accepted
18. B. Szilágyi, N. Muntean, R. Barabás, O. Ponta, B.G. Lakatos, Reaction precipitation of amorphous calcium phosphate: population balance modelling and kinetics, Chemical Engineering Research and Design Official journal of the European Federation of Chemical Engineering: Part A- accepted
   
  Papers published in journals indexed in international databases:
1. K. Künstler, H.-J. Lang, R. Fabian (Barabás), G. Tomandl: Synthesis, structure and electrochemical properties of In-doped BaTbO3 in High Temperature Materials Chemistry, K. Hilpert, F. W. Froben, L. Singheiser (Eds), Proceedings I, II, Forschungszentrum Jülich GmbH, 687-693, 2000
2. R. Barabás, Al. Pop, E. Fazakas, V. Dejeu, Comparative analyses of fluorapatite and biomedical fluorhydroxyapatites prepared by precipitation and solid state reaction, The 10th International Conference and Exhibition of the European Ceramic Society, 17-21 June 2007, Berlin, 27, 73-78, Proc. 10th ECerS Conf., Göller Verlag, Baden-Baden, 925-930, ISBN: 3-87264-022-4, 2007
3. V.R. Dejeu, R. Barabás, Al. Pop., E.S. Bogya, I.L. Arpad., P.S. Agachi, Application of mathematical modeling in the technology of biomaterials, 18th European Symposium on Computer Aided Process Engineering – ESCAPE 18, Elsevier, Editor: Bertrand Braunschweig and Xavier Joulia , 978-0-444-53227-5, books.elsevier.com, P. 1-5, 2008
4. E.S. Bogya, R. Barabás, L. Bizo, V.R. Dejeu, Preparation and characterization of silicate hydroxyapatites used for copper sorption, 11th International Conference and Exhibition of the European Ceramic Society, Krakow, 21-25 june 2009,  Polish ceramic society (supported by Polish Ministry of Science and Higher Education), ISBN 978-83-60958-54-4, 2009
5. J. Fazakas, R. Barabás, I. Bartalis, Zs. Turoczy, E. Fazakas, Composite materials from red mud (wastes), Termotehnica, Anul XV, 2S/2011, ISSN-L 1222 – 4057, Ingineria mediului aplicata la instala?ii termoenegetice, pag. 13
   
  Publications in conference books:
1.   R. Barabás, Al. Csavdari, I. Baldea, E.S. Bogya, V.R. Dejeu, P.S. Agachi, Study of copper adsorption mechanism on hydroxyapatites, 14th International Conference of Chemistry, 13-15 Nov. 2008, Cluj-Napoca, ISSN: 1843-6293, Societatea Maghiara Tehnico-Stiintifica din Transilvania, P. 131-134, 2008
2.   J. Fazakas, R. Barabás, I. Bartalis, E. Fazakas, Zs. Turoczy, Posibilitati de utilizare a namolului rosu, INCD ECOIND – International symposium – SIMI 2011 ”The enviroment and industry”, Bucharest, Romania, 16-18 november 2011, ISSN 1843-5831, pag. 236-241
   
  International and national conference participation :
1. R. Fabian (Barabás), I. Kotsis: Materials for Artificial Bone Substitute, Conference of Oxide Materials, Hugarian Academy, Veszprem, Hungary, 24.10.1995
2. R. Fabian (Barabás), I. Kotsis: Calcium Phosphate Ceramics, XVIII. Chemical Conference, Szeged, Hungary, 06-08.11.1995
3. R. Fabian (Barabás), I. Kotsis: Fluorapatite as additive material to artificial bone substitute, Euroforum ’96, Veszprém, Hungary, 04.09-06.09.1996
4. R. Fabian (Barabás), I. Kotsis: Preparation and characterization of fluorapatite, Conference of Young Scientists, Hungarian Academy, Veszprem, Hungary, 12.05.1997
5. R. Fabian (Barabás), I. Kotsis: Chemical characterization of bioceramics, ELTE, Conference of Microstructure and Mechanical Properties of Ceramics, Budapest, Hungary, 02-03.06.1997
6. R. Fabian (Barabás), I. Kotsis: Chemical characterization of fluorhydroxyapatites plasma- spraying powders and plasma-sprayed coatings, The 4th IUMRS International Conference in Asia, Makuhari, Chiba, Japan, 16.09-18.09.1997.
7. R. Barabás, A. Pop, E. Fazakas, V. Dejeu, Comparative analyses of fluorapatite and biomedical fluorhydroxyapatites prepared by precipitation and solid state reaction, The 10th International Conference and Exhibition of the European Ceramic Society, 17-21 June, Berlin, 2007
8. V.R. Dejeu, R. Barabás, Al. Pop, E.S. Bogya, A. Imre-Lucaci, P.S. Agachi, Application of mathematical modeling in the technology of biomaterials, 18th European Symposium on Computer Aided Process Engineering-ESCAPE 18, June 1-4, Lyon-France, 2008
9. E.S. Bogya, V.R. Dejeu, Al. Csavdari, R. Barabás, P.S. Agachi, Characterization of structurally modified hydroxyapatites trough ionic exchange and adsorption processes, International Conference of Physical Chemistry ROMPHYSCHEM 13 September 3 - 5, Bucharest – Romania, 2008
10. E.S. Bogya, R. Barabas, Al. Csavdari, I. Baldea, V.R. Dejeu, P.S. Agachi, Study of copper adsorption mechanism on hydroxyapatites, 14th International Conference of Chemistry, 13-15 Nov. 2008, Cluj-Napoca, ISSN: 1843-6293, Societatea Maghiara Tehnico-Stiintifica din Transilvania, P. 131-134
11. R. Barabás, E.S. Bogya, V.R. Dejeu, Al. Csavdari, Al. Pop, Hydroxyapatite modified with SiO2 used in retaining processes of Cu2+ ions, 8th Conference on Solid State Chemistry, Bratislava, 06.-11.07.2008, SSC 2008, Editor: Jana Valuchova, 978-80-224-1019-9, Chemical Abstract Service (CAS), P. 127-128, 2008
12. E.S. Bogya, R. Barabás, L. Bizo, V.R. Dejeu, Preparation and characterization of silicate hydroxyapatite used for cooper sorption, 11th international conference and exhibition of the European ceramic society, Krakow, 21-25 june 2009,  Polish ceramic society, ISBN 978-83-60958-45-2, 2009
13. R. Barabas, E.S. Bogya, L. Bizo, V. Dejeu, New silica containing hydroxyapatite coatings by flame spraying deposition, Solid State Chemistry 2010, 10-15 September 2010, Prague, Editors J. Demel and T. Matys Grygar, ISBN 97-80-904678-0-4, pag. 91.
14. R. Barabas, E.S. Bogya, V. Dejeu, Theoretical and applied perspectives in the research of apatites, 16th International Conference of Chemistry, 11-14 Nov 2010., Cluj-Napoca, ISSN: 1843-6293, Societatea Maghiara Tehnico-Stiintifica din Transilvania, P. 48
15. J. Fazakas, R. Barabas, E. Fazakas, L’application de nano - poudres ceramique par "flamespraying" sur des differentes surfaces, DEUXIEME COLLOQUE francophone PLUridisciplinaire sur les Matériaux, l’Environnement et l’Electronique, PLUMEE 2011, 30 mai – 1er juin 2011, Limoges, France
16. E.S. Bogya, R. Barabás, L. Bizo, M. Cziko, Preparation and application of nanosized hydroxyapatite compounds, EuroNanoForum 2011, Budapest, Hungary, 30 May – 1 June 2011
17. L. Bizo, R. Barabás, M. Cziko, E.S. Bogya, A. M. Cormos, Preparation and structural characterization of nanosized chitosan/ hydroxyapatites, European Conference on Solid State Chemistry, ECSSC 2011, Lund/Suedia, 25-28 september 2011
18. R. Barabas, New perspectives in apatite research, 11th International Symposium on “Metal Elements in Environment, Medicine and Biology” - MEEMB 2011, Cluj-Napoca, Romania, 5th December 2011
19. B. Szilágyi, N. Muntean, R. Barabás, A. Borsos, B. Lakatos, Analysis of a semi-batch reactor crystallizer using the Quadrature Method of Moment, Department of crystallization and pharmaceutical formulation, Roundtable Conference, 2012. october 26-27, Balatonszemes, Hungary
20. E. Nagy, B. Kocsis, R. Barabás, Zs. Molnár-Kovács, M. Guttmann
The study of archaeological ceramic samples from Satu Mare county, Romania, 3rd Balkan Symposium of the Balkan Arcaeometry Network, 29-30 October, Bucharest, Romania
21. M. I. Szávuly, B. Szilagyi, Á. Tóos, R. Barabás, Á. Imre, Experimental Validation of the Mathematical Model of the Rectification Process, Computer Aided Process Engineering (CAPE) Forum, 2012, Veszprém, Hungary
22. M. Czikó, R. Barabás, L. Bizo, E.S. Bogya, Testing of hydroxyapatite based materials behavior in water and in SBF, XVIII. International Conference on Chemistry, pag. 23, Bãile Felix, Romania, 23.11.2012
23. R. Zoltán, M. Czikó, E.S. Bogya, R. Barabás, Cadmium ions sorption studies on hydroxyapatite based materials, XVIII International Conference on Chemistry, pag. 129, Bãile Felix, Romania, 23.11.2012
24. B. Szilágyi, N. Muntean, R. Barabás, B. Lakatos, Modeling and Optimization of the Hydroxyapatite Formation in a Semi-Batch Crystallizer with the Quadrature method of Moments, International Conference for Chemistry, Baile Felix, Romania, 2012
25. M. Czikó, E.S. Bogya, R. Barabás, G. Katona, A. Szentes, Testing of Carbon nanotubes/Hydroxyapatite/Ibuprophen behavior in simulated body fluid, Conference of "Environment friendly materials and technologies", Veszprém, Hungary, 01-03. 06.2013
26. J. Bálint, D.K. Tímár, M. Czikó, R. Barabás, G. Katona, Preparation and characterization of carbon nanotubes- hydroxyapatite based composites, XIX. International Conference on Chemistry, pag. 97, Baia Mare, Romania, 21-23. 11. 2013
27. B. Csákány, E. Vizi, M. Czikó, R. Barabás, L. Kékedy - Nagy, G. Katona, Behavioral study of hydroxyapatite - carbon nanotube composites in simulated body fluid, XIX. International Conference on Chemistry, pag. 101, Baia Mare, Romania, 21-23. 11. 2013
28. M. Czikó, R. Barabás, E.S. Bogya, G. Katona, Preparation and examination of hydroxyapatite based composites, XIX. International Conference on Chemistry, pag. 39, Baia Mare, Romania, 21-23. 11. 2013
29. E.S. Bogya, Z. Károly, M. Czikó, R. Barabás, Silica doped hydroxyapatite coating deposition by plasma spraying, XIX. International Conference on Chemistry, page 74, Baia Mare, Romania, 21-23. 11. 2013
30. B. Szilágyi, R. Barabás, B. Lakatos, Modeling the Formation of Hydroxyapatite Precursor Amorphous Calcium Phosphate Formation with Population Balance Models, Computer Aided Process Engineering (CAPE) Forum, Graz, Austria, 2013
31. B. Szilágyi, R. Barabás, B. Lakatos, Modeling and Simulation of the Particle Size Distribution of Precipitates in Continuous Tubular Crystallizer, Conference for Chemical Engineering, Veszprém, Hungary, 2013
32. B. Szilágyi, P.S. Agachi, R. Barabás, B. Lakatos, Continuous precipitation of calcium phosphat: population balance modeling in ideal and real mixing conditions, XIX. International Conference on Chemistry, page 49, Baia Mare, Romania, 21-23. 11. 2013
33. M. Czikó, R. Barabás, E.S. Bogya, G. Katona, Preparation and Characterization of Hydroxyapatite-carbon nanotubes biocomposites, PhD Conference, Szeged, Hungary, 01.03.2014
34. M. Czikó, E.S. Bogya, R. Barabás, Nano-hydroxyapatite based materials synthesis method influence on Cd2+ sorption mechanism, 4th International Conference Natura - Econ, Sfantu Gheorghe, 07.03.2014
35. M. Czikó, R. Barabás, Preparation and characterization of hydroxyapatite based biomaterials, Jedlik Ányos Professional Days, Veszprém, Hungary, 11-13. 04. 2014
   
  Patent
1. V. Mitre, V. Miclau , I. Mitre, S. Dragan, Al. Pop, R. Barabás: The obtaining procedure of a calcium based foliar fertilizer composition, no 1053694, 2008*
2. R. Barabás, Al. Pop, V. Dejeu, E. Bogya, V. Mitre, I. Mitre: The obtaining procedure to a fertilizer composition based on nitrogen, phosphorous and potassium, no 397, 2008*
3. R. Barabás, Al. Pop: Composition of high dispersion cupric fungicides and the obtaining procedure, no 1037610, 2009
4. R. Barabás, Al. Pop, Cs. Pajzs: Composition of fungicides based on zinc, manganese and iron salts of the N,N-etilen-bis-tiocarbamic acid and the obtaining procedure, no 817, 2009*
5. R. Barabás, P.S Agachi, Al. Pop: Proceeding and dearseening instalation for potasium carbonate solutions derived from ammonium fabrication in Uhde lines, no 2007 00369/04.06.2007
6. R. Barabás, J. Fazakas, A. Pop, L. Bizo: Binder compozition and obtaining procedure of the construction materials based on wood waste, no 127891
*The patents are based on elements from the technology of hydroxyapatite
   
   Citation
Citations: 49
Average Citations per Item: 2.14 
h-index: 3
 
Organized events:
·       Workshop with the topic: Flame-Spraying, Location: UBB, Cluj-Napoca, Date: 22. 03.2007., Co-organizer:  Saint-Gobain Coating Solutions with a participation of national companies and academic staf;
·       Hungarian-Romanian Workshop on Ceramic Coatings by Thermal Spraying, Location: Institute of Materials and Environmental Chemistry, CRC, HAS, Budapest, Date: 29-th April, 2010, Financed by Domus Hungarica;
·       Winter School: Topic: Uncertainty in cognition, Location: Babe?-Bolyai University, Cluj-Napoca, Date: 27-28 January 2012, Financed by POSDRU/89/1.5/S/60189
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