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Head of the Laboratory: Prof. Irina Karadjova

Irina Karadjova

Phone: +3592-8161356;

E-mail: Karadjova@chem.uni-sofia.bg

 

Laboratory Members (Including students and Ph.D students)

corr. member. BAS prof. Dimiter Tsalev

Tsalev@chem.uni-sofia.bg

prof. Sonya Ganeva

SGaneva@chem.uni-sofia.bg

Assoc. prof. Ivanka Dakova, PhD

ahid@chem.uni-sofia.bg

Head. Assist. Prof. Elisaveta Mladenova

ahem@chem.uni-sofia.bg

Head. Assist. Prof. Tanya Yordanova

t.yordanova@chem.uni-sofia.bg

Chief Assist. Prof. Tsvetomil Voyslavov

voyslavov@abv.bg

Valentin Georgiev, PhD Student

georgi_48@abv.bg

 

Research Topics

  • Analytical atomic spectroscopy
  • Speciation analysis
  • Methods for separation and preconcentration
  • Synthesis and characterisation of new sorbents based on ion-imprinted polymers and noble metal nanoparticles
  • Analysis of environmental samples, biological samples, food samples and beverages – development of analytical procedures
  • Analysis of pharmaceutical samples – development of analytical procedures
  • Development of analytical procedures for determination of bioavailable fractions of chemical elements in foods, beverages and environmental samples
  • Chemical elements ­– bioavailability and distribution in the system “soil – plant” in regions. Accumulation in bioaccumulators and excluders
  • Chemical elements in honey and pollen samples from regions with serpentine soils – comparative investigation Bulgaria – Albania
  • Characterisation of Bulgarian royal jelly – chemical elements
  • Nanosized carriers of cytostatics – synthesis and characterisation

 

Project Activity – (Research Projects in the last 5 years)

  • Smart materials for speciation analysis, National Science Fund of Bulgaria (DN 19/10 SmartSpeciation), Project leader: Assoc. Prof. I. Dakova, 2017 –
  • New approach for botanical origin determination of Bulgarian monofloral honeybee honeys, National Science Fund of Bulgaria, Project leader: Assist. Prof. E. Mladenova, 2017 –
  • Traditional Bulgarian Wines – characteristics and identification, National Science Fund of Bulgaria (B 02/217), Project leader: Prof. I. Karadjova, 2014 – 2019.
  • New materials as sorbents for separation and concentration of trace pollutants in food, beverages and environmental samples, National Science Fund of Bulgaria, Bilateral project Bulgaria/India (DNTS/India 05/3), Project leader: Prof. I. Karadjova, 2013 –

 

Research Cooperation

  • Prof. Т. Stafilov, University “St. Cyril and Methody” Skopje, North Macedonia
  • Assoc. Prof. Belgin Isgi, Uludag University, Bursa, Turkey
  • Prof. Vera Slaveykova, University of Geneva, Swiss
  • Assoc. Prof. D. Pavlova, Faculty of Biology, Sofia University, Bulgaria
  • Assoc. Prof. R. Balkanska, Institute of Animal Science, Kostinbrod, Bulgaria
  • Basin Directorates, Ministry of Environment and Water, Bulgaria

 

Publications from the last 5 years

  • T. Yordanova, P. Vasileva, I. Karadjova, Noble metal nanocomposites as tools for fast and reliable speciation analysis of mercury in water samples, Int J Environ An Chem (2020) https://doi.org/10.1080/03067319.2020.1734193
  • E. Petrova, Y. Gluhcheva, E. Pavlova, I. Vladov, Ts. Voyslavov, J. Ivanova, Effect of acute sodium nitrite intoxication on some essential biometals in mouse spleen, J Trace Elem Med Bio 58 (2020) 12643. DOI: 10.1016/j.jtemb.2019.126431
  • P. Vasileva, I. Dakova, T. Yordanova, I. Karadjova, New composite sorbent for speciation analysis of soluble chromium in textiles, Open Chemistry 17(1) (2019) 1095. DOI: 10.1515/chem-2019-0115
  • Ts. Voyslavov, S. Tsakovski, V. Simeonov, S. Arpadjan, The effect of iron and manganese oxyhydroxide soil fraction on the occurence of Cr(VI), Bulg Chem Commun 50 (3) (2018) 417.
  • R. Balkanska, E. Mladenova, I. Karadjova, Quantification of selected trace and mineral elements in Royal Jelly from Bulgaria by ICP-OES and ETAAS, J. Apic. Sci., 51(2) (2017) 223. DOI: 10.1515/jas-2017-0021
  • P. Vasileva, T. Alexandrova, I. Karadjova, Application of starch-stabilized silver nanoparticles as a colorimetric sensor for mercury(II) in 0.005 mol/L nitric acid, Journal of Chemistry 2017 (2017) Article ID 6897960. https://doi.org/10.1155/2017/6897960
  • E. Stoyanova, P. Petrov, I. Karadjova, G. Momekov, N. Koseva, Cisplatin delivery vehicles based on stabilized polymeric aggregates comprising poly(acrylic acid) chains, Polymer Journal 49 (2017) 607. DOI: 10.1038/pj.2017.29
  • M. Mitreva, I. Dakova, I. Karadjova, Iron(II) ion imprinted polymer for Fe(II)/Fe(III) speciation in wine, Microchem. J., 132 (2017) 238. DOI: 10.1016/j.microc.2017.01.023
  • Karadjova, I. Dakova, T. Yordanova, P. Vasileva, Nanomaterials for elemental speciation (Critical Review), J. Anal. At. Spectrom. 31 (2016) 1949. DOI: 10.1039/C6JA00168H
  • L. Djerahov, P. Vasileva, I. Karadjova, Self-standing chitosan film loaded with silver nanoparticles as a tool for selective determination of Cr(VI) by ICP-MS, Microchem. J. 129 (2016) 23. DOI: 10.1016/j.microc.2016.06.007
  • L. Djerahov, P. Vasileva, I. Karadjova, R. M. Kurakalva, K. K. Aradhi, Chitosan film loaded with silver nanoparticles - sorbent for solid phase extraction of Al(III), Cd(II), Cu(II), Co(II), Fe(III), Ni(II), Pb(II) and Zn(II), Carbohydrate Polymers 147 (2016) 45 – 52. DOI: 10.1016/j.carbpol.2016.03.080
  • M. Mitreva, I. Dakova, T. Yordanova, I. Karadjova, Chromate surface-imprinted silica gel sorbent for speciation of Cr in surface waters, Turk J Chem 40 (2016) 921. DOI: 10.3906/kim-1606-2
  • Ts. Voyslavov, S. Tsakovski, S. Arpadjan, Determination of hexavalent chromium in aqueous and alkaline soil extracts, Turk J Chem 40 6 (2016) 944. DOI: 10.3906/kim-1605-82

Book chapter: I. Karadjova, T. Yordanova, I. Dakova, P. Vasileva, Smart Materials in Speciation Analysis (in Handbook of Smart Materials in Analytical Chemistry, Publisher: Wiley), 2019, https://doi.org/10.1002/9781119422587.ch24

 

Teaching Activity

Lecturer Discipline Specialty

Prof. I. Karadjova

Assoc. Prof. I. Dakova

Analytical chemistry Chemistry, Ecochemistry, Computational chemistry, Nuclear chemistry, Chemical engineering and modern materials, Chemistry and Informatics
Prof. I. Karadjova Applied analytical atomic spectroscopy Modern spectral and chromatographic methods for analysis (Master students)
Assoc. Prof. I. Dakova Combined and hybride analytical methods. Speciation analysis Modern spectral and chromatographic methods for analysis (Master students)
Assoc. Prof. I. Dakova Methods for separation and preconcentration Chemistry
Assoc. Prof. I. Dakova Analytical chemistry and methods for analysis Biotechnology
Assist. Prof. T. Yordanova Modern problems of chemical analysis Chemistry
Assist. Prof. T. Yordanova Analytical chemistry and methods for analysis

Biotechnology

(Part-time education)

Assist. Prof. E. Mladenova Determination of micro concentrations of chemical elements Chemistry
Assist. Prof. E. Mladenova Analytical chemistry Ecology and Environmental Protection (Part-time education)
Prof. I. Karadjova Ecolegislation Ecochemistry
Prof. I. Karadjova Ecochemistry of soils Ecochemistry
Assist. Prof. Ts.Voyslavov

Instrumental analysis

(Electrochemical methods)

Chemistry, Chemical engineering and modern materials, Ecochemistry, Computational chemistry, Nuclear chemistry
Assist. Prof. Ts. Voyslavov Modern analytical laboratories – practice and accreditation Ecochemistry, Computational chemistry, Nuclear chemistry, Chemical engineering and modern materials, Chemistry and Informatics
Prof. I. Karadjova Training of laboratory staff Postgraduate Qualification

 

Former Ph.D and Research Students (for last 5 years)

Since 2015 – defended 30 master and bachelor theses and 2 PhD students obtained doctoral degree.