2015 – 

M.G. Bogdanov, I. Svinyarov, Analysis of acetylcholinesterase inhibitors by extraction in choline saccharinate aqueous biphasic systems. J. Chromatog. A (2018) in press.

M. Bogdanov, I. Svinyarov, Distribution of N-methylimidazole in ionic liquids/organic solvents systems.  Processes 5 (2017).

M. Bogdanov, I. Svinyarov, Efficient purification of halide-based ionic liquids by means of improved apparatus for continuous liquid-liquid extraction. Sep. Pur. Technol. (2017) in press.

A. Nedelcheva, A. Pieroni, Y. Dogan, Folk food and medicinal botanical knowledge among the last remaining Yörüks of the Balkans. Acta. Soc. Bot. Pol. 86 (2017) 1–21.

I. Svinyarov, M. Bogdanov, Ionic liquid-assisted micellar extraction for the quantitative determination of sesquiterpenic acids in Valeriana officinalis L. (Caprifoliaceae). Sep. Sci. Technol. (2017) 1–11.

Y. Dogan, A. Nedelcheva, A. Pieroni, The diversity of plants used for the traditional dish sarma in Turkey: nature, garden and traditional cuisine in the modern era. Emir. J. Food Agr. 29 (2017) 429–440.

K. Tonova, M. Bogdanov, Partitioning of α-amylase in aqueous biphasic system based on hydrophobic and polar ionic liquid: Enzyme extraction, stripping and purification.Sep. Sci. Technol. 52 (2017) 812–823.

D.V. Ilic, B. Andjelski, А. Nedelcheva, I. Djurovic, D. Ostojic, Traditional dentistry knowledge among Serbs in several Balkan countries. J. Complement. Med. Res. 6 (2017) 223-233.

M.G. Bogdanov, I. Svinyarov, Extraction of natural phenolic compounds with ABS, in: M.G. Freire (Ed.), Ionic-liquid based aqueous biphasic systems, Green Chemistry and Sustainable Technology, Springer-Verlag, Berlin Heidelberg, 2016, pp. 161–181.

I. Svinyarov, R. Keremedchieva, M. G. Bogdanov, Ionic liquid-supported solid-liquid extraction of bioactive alkaloids. IV. New HPLC method for quantitative determination of galantamine in Leucojum aestivum L. (Amaryllidaceae). Sep. Sci. Technol. 51 (2016) 2691–2699.

M. G. Bogdanov, R. Keremedchieva, I. Svinyarov, Ionic liquid-supported solid-liquid extraction of bioactive alkaloids. III. Ionic liquid regeneration and glaucine recovery from ionic liquid-aqueous crude extract of Glaucium flavum Cr. (Papaveraceae). Sep. Purif. Techno. 155 (2015) 13–19.

R. Keremedchieva, I. Svinyarov M. Bogdanov, Ionic liquid-based aqueous biphasic systems—a facile approach for ionic liquid regeneration from crude plant extracts. Processes  3 (2015) 769–778.

K. Tonova, I. Svinyarov, M. Bogdanov, Ionic liquids – based biphasic systems for enzyme extraction: preliminary date from ionic liquids’ screening. Materials, Methods & Technologies 9 (2015) 442–451.

Y. DoganA. NedelchevaŁ. Łuczaj, C. DrăgulescuG. StefkovA. MaglajlićJ. FerrierN. PappA. HajdariB. Mustafa, Z. Dajić-Stevanović, A. Pieroni, Of the importance of a leaf: the ethnobotany of sarma in Turkey and the Balkans. J. Ethnobiol. Ethnomed. (2015) 11:26.

I. Svinyarov, M. Bogdanov, 3-(3,4-Dihydroxyphenyl)-8-hydroxy-2H-chromen-2-one. Molbank (2015) M870.

R. Sõukand, A. Pieroni, M. Biró, A. Dénes, Y. Dogan, A. Hajdari, R. Kalle, B. Reade, B. Mustafa, A. Nedelcheva, C. L. Quave, Ł. Łuczaj, An ethnobotanical perspective on traditional fermented plant foods and beverages in Eastern Europе. J. Ethnopharmacol. 170 (2015) 284–296.

A. Pieroni, A. Nedelcheva, Y. Dogan, Local knowledge of medicinal plants and wild food plants among Tatars and Romanians in Dobruja (South-East Romania). Genet. Resour. Crop. Evol. 62 (2015) 605–620.

A. Nedelcheva, N. Kostova, A. Sidjimov, Pyrrolizidine alkaloids in Tussilago farfara from Bulgaria. Biotechnology & Biotechnological Equipment 29 (2015) S1–S7.

M. Miliovsky, I. Svinyarov, E. Prokopova, D. Batovska, S. Stoyanov, M. G. Bogdanov, Synthesis and antioxidant activity of polyhydroxylated trans-restricted 2-arylcinnamic acids. Molecules 20 (2015) 2555–2575.

Y. Dogan, A. Nedelcheva, Wild plants from open markets on both sides of the Bulgarian-Turkish border. Indian J. Tradit. Knowle. 14 (2015) 351–358.

K. Tonova, I. Svinyarov, M. Bogdanov, Biocompatible ionic liquids in liquid – liquid extraction of lactic acid: a comparative study.  Int. J. Chem. Mol. Nuclear Mater. Metallurgical Eng. 9 (2015) 516–520.

N. Kaneva, A. Bojinova, K. Papazova, D. Dimitrov, I. Svinyarov, M. Bogdanov, Effect of thickness on the photocatalytic properties of ZnO thin films. Bulg. Chem. Communi. 47 (2015) 395–401.

M. Guncheva, K. Paunova, D. Yancheva, I. Svinyarov, M. Bogdanov, Effect of two series ionic liquids based on non-nutritive sweeteners on catalytic activity and stability of the industrially important lipases from Candida rugosa and Rhizopus delemar. J. Mol. Catal. B: Enzym 117 (2015) 62–68.

2010 – 2014

I. Svinyarov, M. G. Bogdanov, One-pot synthesis and radical scavenging activity of novel polyhydroxylated 3-arylcoumarins. Eur. J. Med. Chem. 78 (2014) 198–206.

AG. Heiss, DFilipoviĆ, ANedelcheva, GRuß-Popa, KWanninger, G. SchramayrRPerego, SJacomet, A fistful of bladdernuts: the shifting uses of Staphylea pinnata L. as documented by archaeology, history, and ethnology. Folk Life: Journal of Ethnological Studies 52 (2014) 95–136.

K. Tonova, I. Svinyarov, M. G. Bogdanov, Hydrophobic 3-alkyl-1-methylimidazolium saccharinates as extractants for L-lactic acid recovery. Sep. Purif. Technol. 125 (2014) 239–246.

M.G. Bogdanov, Ionic liquids as alternative solvents for extraction of natural products, in: F. Chemat, M. Abert Vian (Eds.), Alternative Solvents for Natural Products Extraction, Green Chemistry and Sustainable Technology, Springer-Verlag, Berlin Heidelberg, 2014, pp. 127–166.

A. Nedelcheva, S. Draganov, Bulgarian medicinal ethnobotany: the power of plants in pragmatic and poetic frames, in: A. Pieroni, C. L. Quave (Eds.), Ethnobotany and Biocultural Diversities in the Balkans, Springer Science+Business Media, New York, 2014, pp 45–65.

A. Pieroni, A. Nedelcheva, A. Hajdari, B. Mustafa, B. Scaltriti,K. Cianfaglione, C. L. Quave, Local knowledge on plants and domestic remedies in the mountain villages of Peshkopia (Eastern Albania). J. Mt. Sci. 11 (2014) 180–193.

A. Pieroni, K. CianfaglioneA. NedelchevaA. HajdariB. Mustafa C. L. Quave, Resilience at the border: traditional botanical knowledge among Macedonians and Albanians living in Gollobordo, Eastern Albania.  J. Ethnobiol. Ethnomed. (2014) 10:31.

M. Miliovsky, I. Svinyarov, Y. Mitrev, Y. Evstatieva, D. Nikolova, M. Chochkova, M. Bogdanov, A novel one-pot synthesis and preliminary biological activity evaluation of cis-restricted polyhydroxy stilbenes incorporating protocatechuic acid and cinnamic acid fragments. Eur. J. Med. Chem. 66 (2013) 185–192.

A. Nedelcheva, An ethnobotanical study of wild edible plants in Bulgaria. Eurasia. J. Biosci. 7 (2013) 77–94.

M. G. Bogdanov, I. Svinyarov, Ionic liquid-supported solid-liquid extraction of bioactive alkaloids. II. Kinetics, modeling and mechanism of glaucine extraction from Glaucium flavum Cr. (Papaveraceae).  Sep. Purif. Technol. 103 (2013) 279–288.

I. Krasteva, A. Nedelcheva, D. Pavlova, P. Zdraveva, S. Nikolov, K. Mitov, Influence of serpentine soils on the flavonoid content of Hypericum populations growing in Bulgaria. Afr. J. Pharm. Pharmacol. 7 (2013) 1762–1765.

A. Pieroni, B. RexhepiA. NedelchevaA. HajdariB. MustafaV. KolosovaK. Cianfaglione, C. L. Quave, One century later: the folk botanical knowledge of the last remaining Albanians of the upper Reka Valley, Mount Korab, Western Macedonia.  J. Ethnobiol. Ethnomed. (2013) 9:22.

M. G. Bogdanov, I. Svinyarov, R. Keremedchieva, A. Sidjimov, Ionic liquid-supported solid-liquid extraction of bioactive alkaloids. I. New HPLC method for quantitative determination of glaucine in Glaucium flavum Cr. (Papaveraceae).  Sep. Purif. Technol. 97 (2012) 221–227.

A. Nedelcheva, Medicinal plants from an old Bulgarian medical book. J. Med. Plants Res. 6 (2012) 2324–2339.

A. Nedelcheva, Micro-morphology of Achillea clypeolata: contribution to the pharmacognostical profile. J. App. Pharm. Sci. 2 (2012) 165–170.

A. Nedelcheva, Traditional knowledge and modern trends for Asian medicinal plants in Bulgaria from an ethnobotanical view. Eurasia. J. Biosci. 6 (2012) 60–69.

I. Svanberg, R. Sõukand, Ł. Łuczaj, R. Kalle, O. Zyryanova, A. Dénes, N. Papp, A. Nedelcheva, D. Šeškauskaitė, I. Kołodziejska-Degórska, V. Kolosova, Uses of tree saps in northern and eastern parts of Europe. Acta Soc. Bot. Polon.  81 (2012) 343–357.

M. G. Bogdanov, Y. N. Mitrev, I. Tiritiris, New Perkin/Michael/addition domino reaction between homophthalic anhydride and aromatic Aldehydes: a facile approach to blue fluorescent 6-oxo-dibenzo[c,h]chromenes. Eur. J. Org. Chem. (2011) 377–384.

A. Nedelcheva, Observations on the wall flora of Kyustendil (Bulgaria). Eurasia. J. Biosci. 5 (2011) 80–90.

A. Nedelcheva, Y. Dogan, D. Obratov-Petkovic, I. M. Padure, The traditional use of plants for handicrafts in southeastern europe. Hum. Ecol. 39 (2011) 813–828.

A. Nedelcheva, Y. Dogan, Usage of plants for weather and climate forecasting in Bulgarian folk traditions. Indian J. Traditional Knowledge 10 (2011) 91–95.

M. G. Bogdanov, I. V. Svinyarov, B. Ivanova, M. Spiteller, Synthesis, spectroscopic and structural study of trans– and cis– (±)-3-phenyl-4-(pyrrolidine-1-carbonyl)isochroman-1-ones. Spectrochim. Acta A 77 (2010) 902–907.

M. G. Bogdanov, I. V. Svinyarov, V. N. Atanasov, Synthesis and mass spectral study of trans– and cis– (±)-3-phenyl-3,4-dihydroisocoumarin-4-carboxamides. Annuaire de l’Universite de Sofia, 102 (2010) 145–152.

W. Kantlehner, J. Mezger, R. Kreß, H. Hartmann, T. Moschny, I. Tiritiris, B. Iliev, O. Scherr, G. Ziegler, B. Souley, W. Frey, I. C. Ivanov, M. G. Bogdanov, U. Jäger, G. Dospil, T. Viefhaus, Orthoamides, LXIX. Contributions to the synthesis of N,N,N’,N’,N’’-peralkylated Guanidines and N,N,N’,N’,N’’,N’’-persubstituted Guanidinium Salts. Z. Naturforsch. 65b (2010) 873–906.

M. G. Bogdanov, I. Svinyarov, H. Kunkel, C. Steinle, M. Arkhipova, W. Kantlehner and G. Maas. Empirical polarity parameters for hexaalkylguanidinium-based room-temperature ionic liquids. Z. Naturforsch. 65b (2010) 791–797.

M. G. Bogdanov, D. Petkova, S. Hristeva, I. Svinyarov, and W. Kantlehner, New guanidinium based room temperature ionic liquids. substituent and anion effect on density, polarity and solubility in water. Z. Naturforsch. 65b (2010) 37–48.

A. Nedelcheva, D. Pavlova, I. Krasteva, S. Nikolov, Medicinal Plants Biodiversity and their resources of one serpentine site in the Rhodope Mts. (Bulgaria)., Natura Montenegrina 9 (2010) 373–387.

Y. Dogan, A. M. Nedelcheva, S. Baslar, Plant patterns of silk based needlework, a traditional handcraft in Turkey. Indian J. Traditional Knowledge 9 (2010) 640–643.

2005 – 2009

M. G. Bogdanov, Synthesis of new 1,2,3,4-tetrahydroisoquinolin-1-one-4-carboxamides as conformationally restricted GABA analogs. Annuaire de l’Universite de Sofia, 101 (2009) 89–98.

Z. Baktir, M. Akkurt, M. I. Kandinska, M. G. Bogdanov and O. Büyükgüngör, (S)-Methyl 2-[(3R,4R)-2-benzyl-3-(2-furyl)-1-oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxamido]-3-(1H-indol-3-yl)propanoate. Acta Cryst. E65 (2009) o1461–o1462.

M. Akkurt, Z. Baktır, M. G. Bogdanov, I. V. Svinyarov and O. Büyükgüngör, (±)-trans-6,7-Dimethoxy-1-oxo-3-(2-thienyl)isochroman-4-carboxylic acid. Acta Cryst. E65 (2009) o1377.

M. Akkurt, S. Karaca, M. G. Bogdanov, M. I. Kandinska and O. Büyükgüngör, Methyl trans-(±)-1-oxo-2-phenethyl-3-(thiophen-2-yl)-1,2,3,4-tetrahydroisoquinoline-4-carboxylate. Acta Cryst. E65 (2009) o1287–o1288.

M. G. Bogdanov, B. Iliev, and W. Kantlehner, Residual volume approach II. Simple prediction of ionic conductivity of ionic liquids. Z. Naturforsch. 64b (2009) 756–764.

M. G. Bogdanov and W. Kantlehner, Simple prediction of some physical properties of ionic liquids: the residual volume approach. Z. Naturforsch. 64b (2009) 215–222.

A. M. Nedelcheva, Y. Dogan, Folk botanical nomenclature and classification in Bulgarian traditional knowledge, in: J.-P. Morel, A. M. Mercuri (Eds), Plants and Culture: seeds of the cultural heritage of Europe, Edipuglia, Bari, 2009, 169–173.

A.M. Nedelcheva, Plants related to the life and medicinal practice of St. Ivan Rilski, in: J.-P. Morel, A. M. Mercuri (Eds), Plants and Culture: seeds of the cultural heritage of Europe, Edipuglia, Bari, 2009, 175–178.

A. Nedelcheva, D. Pavlova, S. Tonkov, Bulgarian Serpentine Flora – a new thematic collection in the Sofia University Herbarium. Bocconea 23 (2009) 395–401.

A. Nedelcheva, A. Vasileva, Vascular plants from the old walls in Kyustendil (Southwestern Bulgaria). Biotechnology & Biotechnological Equipment 23 (2009) 154–157.

M. Akkurt, S. O. Yýldýrým, M. G. Bogdanov, M. I. Kandinska, and O. Büyükgüngör, trans-rac-(1-Oxo-2-phenethyl-3-(2-thienyl)-1,2,3,4-tetrahydroisoquinolin-4-yl)methyl 4-methylbenzenesulfonate. Acta Crist. E64 (2008) o1955–o1956.

S. O. Yıldırım, M. Akkurt, M. I. Kandinska, M. G. Bogdanov and O. Büyükgüngör, Methyl trans-rac-2-hexyl-1-oxo-3-(2-pyridyl)-1,2,3,4-tetrahydro-isoquinoline-4-carboxylate. Acta Crist. E64 (2008) o1932.

M. G. Bogdanov, M. I. Kandinska, D. B. Dimitrova, B. T. Gocheva and M. D. Palamareva, Antimicrobial evaluation of trans– and cis-3-aryl(heteroaryl)-3,4-dihydroisocoumarin-4-carboxamides. Annuaire de l’Universite de Sofia 100 (2008) 243–252.

A. Nedelcheva, Morphological study of Achillea grandifolia (Compositae) in Bulgaria. Natura Montenegrina 7 (2008) 297–305.

Y. Dogan, A. M. Nedelcheva, C. Yarci, Plant taxa used as brooms in several Southeast European and West Asian countries. Natura Croatica 17 (2008) 193–206.

Y. Dogan, A. M. Nedelcheva, D. Obratov-Petković, I. M. Padure, Plants used in traditional handicrafts in several Balkan countries. Indian J. Traditional Knowledge 7 (2008) 157–161.

M. G. Bogdanov, Y. N. Mitrev, I. V. Svinyarov, Ch. E. Palamarev and M. D. Palamareva, Automatic selection of mobile phases. VII. Thin-layer chromatography on silica and alumina of 11,12-disubstituted trans/cis-11,12-dihydro-6H– dibenzo[c,h]chromen-6-ones.  J. Liq. Chromatogr. & Rel. Technol. 30 (2007) 2155–2169.

M. G. Bogdanov, M. I. Kandinska, B. T. Gocheva, D. B. Dimitrova and M. D. Palamareva, Preliminary evaluation of antimicrobial activity of diastereomeric cis/trans-3-aryl(heteroaryl)-3,4-dihydroisocouamrin-4-carboxylic acids. Z. Naturforsch C 62 (2007) 477–482.

M. I. Kandinska, I. S. Todorov, B. Shivachev, M. G. Bogdanov, trans-(±)-2-Hexyl-1-oxo-3-(2-pyridyl)-1,2,3,4-tetrahydroisoquinoline-4-carboxilic acid. Acta Cryst. E63 (2007) o2544–o2546.

S. Öztürk Yildirim, M. Akkurt, M. Bogdanov, M. Kandinska, C. Kazak, (±)-Methyl 1-oxo-1H-spiro[benzo[c]pyran-3(4H),1’-cyclohexane]-4-carboxylate. Acta Cryst. E63 (2007) o1321–o1323.

M. G. Bogdanov, B. T. Gocheva, D. B. Dimitrova and M. D. Palamareva, New isochromans. 1. Synthesis and antimicrobial activity of 4-substituted (±)-1H-Spiro[benzo(c)pyran-3(4H),1’-cyclohexane]-1-ones. J. Heterocyclic Chem. 44 (2007) 673–677.

M. Akkurt, S.O. Yıldırım, M. G. Bogdanov, Y. N. Mitrev and F. W. Heinemann, Methyl 2-[(1-oxo-1H-isochromen-3-yl)methyl]benzoate.  Acta Crist. E63 (2007) o2824.

A. M. NedelchevaY. DoganP. M. Guarrera, Plants traditionally used to make brooms in several European countries.  J. Ethnobiol. Ethnomed. (2007) 3:20.

M. I. Kandinska, I. D. Kozekov, M. D. Palamareva, Synthesis of new trans-2-benzyl-3-(furan-2-yl)-4-substituted-1,2,3,4-tetrahydroisoquinolinones. Molecules 11 (2006) 403–414.

M. Bogdanov, I. Todorov, trans-6-Oxo-11-thiophen-2-yl-11,12-dihydro-6H-dibenzo[c,h]chromene-12-carboxylic acid methyl ester.  Acta Crist. E62 (2006) o3334–o3336.

A. Nedelcheva, R. Tzonev, Achillea ochroleuca (Asteraceae): a new species for the Bulgarian flora. Phytol. Balcan. 12 (2006) 371–376.

M. G. Bogdanov, M. I. Kandinska, Ch. Palamarev and M. D. Palamareva, Automatic selection of mobile phases. V. Thin-layer chromatography on silica vs. alumina of 3,4-disubstituted isochroman-1-ones including spiro analogues. J. Liq. Chromatogr. & Rel. Technol. 28 (2005) 2539–2550.

M. Bogdanov, M. Kandinska, B. Iliev, M. Palamareva, Synthesis of new (±)-trans-3,4-disubstituted 3,4-dihydroisocoumarins. Pharmacia 1-2 (2005) 7–12.

M. Kandinska, M. Bogdanov, Ch. Palamarev, M. Palamareva, LSChrom software in selection of mobile Phases. Thin-layer Chromato- graphy on silica or alumina of organic compounds with complex structure and potential biological activities. Pharmacia, 1-2 (2005) 16.

S. Tonkov, D. Pavlova, J. Atanassova, A. Nedelcheva, E. Marinova, Floristic catalogue of the Nature Reserve Rilomanastirska gora (Central Rila Mts.) I. The locality Kirilova Poljana.  Ann. of Univ. of Sofia, Fac. Biol. 97 (2005) 73–90.

M. G. Bogdanov, M. D. Palamareva, cis/trans-Isochromanones. DMAP induced cycloaddition of homophthalic anhydride and aldehydes. Tethrahedron 60 (2004) 2525–2530.

Ch. E. Palamarev, M. I. Kandinska, M. D. Palamareva, Automatic selection of mobile phases. IV. Thin-layer chromatography on silica of simple and complex organic compounds. J. Liq. Chrom. & Rel. Technol. 27 (2004) 2003–2018.

M. G. Bogdanov, I. S. Todorov, P. G. Manolova, D. V. Cheshmedzhieva, M. D. Palamareva, Configuration and conformational equilibrium of (±)-trans-1-oxo-3-thiophen-2-yl-isochroman-4-carboxylic acid methyl ester. Tetrahedron Lett. 45 (2004) 8383–8386.

J. Saukel, M. Anchev, Y.-P. Guo, A. Vitkova, A. Nedelcheva, V. Goranova, A. Konakchiev, M. Lambrou, S. Nejati, F. Rauchensteiner, F. Ehrendorfer, Comments on the Biosystematics of Achillea (Asteraceae/Anthemidae) in Bulgaria. Phytologia Balcanica 9 (2003) 361–400.