International Journal of Materials and Chemistry

International Journal of Materials and Chemistry is a peer-reviewed international journal that publishes high impact work on the chemistry of novel materials. It covers the chemistry of materials in all forms, particularly materials associated with new technologies. Coverage is broad and includes the design and synthesis of materials, their characterization, processing, modeling, properties and applications.

Lachezar Radev

Editorial Board Member of International Journal of Materials and Chemistry

Associate Professor, University of Chemical Technology and Metallurgy, Sofia, Bulgaria

Research Areas

In Vitro Bioactive Glass-Ceramics, Sol-Gel Glasses and Organic-Inorganic Composites

Publications: Conferences/Workshops/Symposiums/Journals/Books

[1]  V. Hristov, L. Radev, B. Samuneva, I. Michailova, I. M. M. Salvado, G. Apostolov, Sol-gel synthesis of bioactive hybrid materials in SiO2-P2O5-TiO2-CaO-PVA systems, Nanoscience & Nanotechnology, 7, p. 235, Sofia, 2007
[2]  L. Radev, V. Hristov, I. Michailova, B. Samuneva, Sol-gel bioactive glass-ceramics. Part I: Calcium Phosphate Silicate/Wollastonite glass-ceramics, Central European Journal of Chemistry, 7[3], 317, 2009, DOI: 10.2478/s11532-009-0022-2
[3]  L. Radev, V. Hristov, I. Michailova, B. Samuneva, Sol-gel bioactive glass-ceramics. Part II: Glass-ceramics in the CaO-SiO2-P2O5-MgO system, Central European Journal of Chemistry, 7[3], 322, 2009 DOI: 10.2478/s11532-009-0014-2
[4]  L. Radev, L. Pavlova, B. Samuneva, E. Kashchieva, I. Michailova, M. Zaharescu, B. Malic, L. Predoana, Sol-gel synthesis and structure of La2O3-CoO-SiO2 powders, Processing and Application of Ceramics, 2[2], 103, 2008
[5]  L. Radev, B. Samuneva, I. Mihailova, L. Pavlova, E. Kashchieva, Sol-gel synthesis and structure of cordierite/tialite glass-ceramics, Processing and Application of Ceramics, 3[3], 125, 2009
[6]  L. Radev, V. Hristov, I. Michailova, M. H. V. Fernandes, I. M. M. Salvado, In vitro bioactivity of biphasic calcium phosphate silicate glass ceramic in CaO-SiO2-P2O5 system, Processing and Application of Ceramics, 4 [1], 15, 2010
[7]  L. Radev, K. Hristova, V. Jordanov, M. H. V. Fernandes, I. M. M. Salvado, Central European Journal of Chemistry, In vitro bioactivity of 70 wt. % SiO2-30 wt. % CaO sol-gel glass, doped with 1, 3 and 5 wt. % NbF5, accepted for publication, 2011
[8]  S. Nenkova, L. Radev, N. Rangelova, B. Aleksiev, B. Samuneva, New sol-gel silica hybrids containing pectin and some metal ions, Phys. Chem. Glasses: Eur. J. Glass Sci. Technol. B, 48 (3), 164, 2006
[9]  V. Hristov, L. Radev, G. Apostolov, B. Aleksiev, B. Samuneva, Hydroxyapatite formation from acid collagen hydrolysate and SiO2 via sol-gel method, Scientific Works, University of Russe, 45, 118, 2006
[10]  V. Hristov, L. Radev, B. Samuneva, G. Apostolov, Nanocomposite materials in SiO2-aminoacids systems, 11-th International Conference on Mechanics and Technology of Composite Materials, Sofia, p. 348, 2006
[11]  N. Rangelova, S. Nenkova, L. Radev, B. Samuneva, B. Aleksiev, I. M. M. Salvado, Sol-gel synthesis and structure of silica hybrids containing low methoxyl pectin, Nanoscience & Nanotechnology, 7, p. 230, Sofia, 2007
[12]  S. Nenkova, L. Radev, N. Rangelova, B. Samuneva, B. Aleksiev, I. Michailova, I. M. M. Salvado, M. H. V. Fernandes, Silica hybrid materials containing pectin and metal ions, 15-th Conference on Glass Science and Technology, 1, 245, 2007
[13]  S. Nenkova, L. Radev, N. Rangelova, B. Samuneva, B. Aleksiev, I. Mitov, I. M. M. Salvado, M. H. V. Fernandes, Incorporation of hematite in sol-gel silica containing methylcellulose and pectin, 15-th Conference on Glass Science and Technology, 1, 250, 2007
[14]  V. Hristov, L. Radev, B. Samuneva, B. Aleksiev, I. M. M. Salvado, G. Apostolov, Aminoacids in silica based materials, 15-th Conference on Glass Science and Technology, 1, 255, 2007
[15]  N. Rangelova, G. Chernev, S. Nenkova, B. Samuneva, G. Georgieva, L. Yotova, L. Radev, I. M. M. Salvado, New silica hybrid nanomaterials containing pectin and alginate, Nanosciece & Nanotechnology 8, 246, 2008
[16]  V. Hristov, L. Radev, B. Samuneva, G. Apostolov, Organic/inorganic bioactive materials. Part I: Synthesis, structure and in vitro assessment of collagen/silicocarnotite biocoatings, Central European Journal of Chemistry, 7[4],702, 2009
[17]  L. Radev, V. Hristov, B. Samuneva, D. Ivanova, Organic/inorganic bioactive materials. Part II: In vitro bioactivity of Collagen-Calcium Phosphate Silicate/Wollastonite coatings, Central European Journal of Chemistry, 7[4], 711, 2009
[18]  L. Radev, M. H. V. Fernandes, I. M. M. Salvado, D. Kovacheva, Organic/inorganic bioactive materials. Part III: In vitro assessment of gelatin/silicocarnotite coatings, Central European Journal of Chemistry, 7[4], 721, 2009
[19]  L. Radev, V. Hristov, M. H. V. Fernandes, I. M. M. Salvado, Organic/inorganic bioactive materials. Part IV: In vitro assessment of bioactivity of gelatin-calcium phosphate silicate/wollastonite hybrids, Central European Journal of Chemistry, 8[2], 278, 2010
[20]  N. Rangelova, L. Radev, S. Nenkova, I. M. M. Salvado, M. H. V. Fernandes, M. Herzog, Central European Journal of Chemistry, 9[1], 112, 2011
[21]  L. Radev, V. Hristov, I. Michailova, M. H. V. Fernandes, I. M. M. salvado, Processing and Application of Ceramics, accepted for publication, 2011
[22]  L. N. Radev, V. Penchev, Physicochemical and catalytic properties of CoAPO-5 and CoAPSO-5 molecular sieves, Reakt. Kinet. Cattal. Lett., 58, 1, 139, 1996
[23]  L. Radev, V. Penchev, Synthesis and characterization of AlPO-5 molecular sieves by cobalt and silicon, Bulg. Chem. Commun. 28, 282, 1995
[24]  L. Radev, M. Khristova, D. Mechandjiev, B. Samuneva, Sol-gel Ag+Pd/SiO2 as a calyst for reduction of NO with CO, Cattal. Lett., 112, 3-4, 181, 2006
[25]  L. Radev, M. Khristova, D. Mechandjiev, Decomposition of NO on different sol-gel Pd/SiO2 catalysts, Oxid. Commun., 2009, accepted
[26]  N. Moldovanska, R. Dimitrov, L. Radev, Kinetic study of CdS oxidation process in non-isothermic conditions, J. Min. Met., 36, 1-2B, 103, 2000
[27]  S. Nenkova, L. Radev, Adsorption of phenol from wastewates over wood sawdust, barks and technical hydrolysis lignin, JUCTM, 39, 2, 177, 2004
[28]  Z. Zdravchev, E. Cholakova, L. Radev, Relationship between the average boiling temperatures of petroleum distillate fractions and their stoichiometric burning coefficient, JUCTM, 42, 3, 325, 2007
[29]  V. Angelov, E. Grozeva, E. Cholakova, L. Radev, Utilization of methadiens trough isomerization and liquid phase oxidation, JUCTM, 42,4, 351, 2007