Electron affinities of the DNA and RNA bases SS Wesolowski, ML Leininger, PN Pentchev, HF Schaefer Journal of the American Chemical Society 123 (17), 4023-4028, 2001 | 262 | 2001 |
Maximum common substructures of organic compounds exhibiting similar infrared spectra K Varmuza, PN Penchev, H Scsibrany Journal of chemical information and computer sciences 38 (3), 420-427, 1998 | 67 | 1998 |
Novel styrylquinolinium dye thin films deposited by pulsed laser deposition for nonlinear optical applications H El Ouazzani, S Dabos-Seignon, D Gindre, K Iliopoulos, M Todorova, ... The Journal of Physical Chemistry C 116 (12), 7144-7152, 2012 | 47 | 2012 |
Automatic classification of infrared spectra using a set of improved expert-based features PN Penchev, GN Andreev, K Varmuza Analytica chimica acta 388 (1-2), 145-159, 1999 | 44 | 1999 |
Study on the Synthesis, Characterization and Bioactivities of 3-Methyl-9'-fluorenespiro-5-hydantoin. P Marinova, M Marinov, M Kazakova, Y Feodorova, A Slavchev, ... Acta Chimica Slovenica 63 (1), 2016 | 25 | 2016 |
Large and frequently occurring substructures in organic compounds obtained by library search of infrared spectra K Varmuza, PN Penchev, H Scsibrany Vibrational Spectroscopy 19 (2), 407-412, 1999 | 25 | 1999 |
Description and performance analysis of an infrared library search system PN Penchev, AN Sohou, GN Andreev Spectroscopy letters 29 (8), 1513-1522, 1996 | 25 | 1996 |
Volatile metabolic profiles of cell suspension cultures of Lavandula vera, Nicotiana tabacum and Helianthus annuus, cultivated under different regimes M Georgiev, V Georgiev, P Penchev, D Antonova, A Pavlov, M Ilieva, ... Engineering in Life Sciences 10 (2), 148-157, 2010 | 21 | 2010 |
Synthesis, cytotoxicity and antibacterial activity of 3-amino-9’-fluorenespiro-5-hydantoin P Marinova, M Marinov, Y Feodorova, M Kazakova, D Georgiev, V Lekova, ... Compt. Rend. Acad. Bulg. Sci 67, 513-518, 2014 | 20 | 2014 |
IRSS: A Programme System for Infrared Library Search PN Penchev, NT Kotchev, GN Andreev COMPTES RENDUS-ACADEMIE BULGARE DES SCIENCES 51, 67-70, 1998 | 20 | 1998 |
Synthesis and in vitro activity of platinum (II) complexes of two fluorenylspirohydantoins against a human tumour cell line P Marinova, M Marinov, M Kazakova, Y Feodorova, P Penchev, ... Biotechnology & Biotechnological Equipment 28 (2), 316-321, 2014 | 18 | 2014 |
Expert system for the interpretation of infrared spectra GN Andreev, OK Argirov, PN Penchev Analytica chimica acta 284 (1), 131-136, 1993 | 18 | 1993 |
Vibrational spectra and structure of 1, 4-dinitrobenzene and its 15n labelled derivatives: An ab initio and experimental study GN Andreev, BA Stamboliyska, PN Penchev Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 53 (6 …, 1997 | 16 | 1997 |
neo-Clerodane Diterpenoids from Scutellaria galericulata PI Bozov, PN Penchev, J Coll Natural Product Communications 9 (3), 1934578X1400900315, 2014 | 15 | 2014 |
INFERCNMR: A 13C NMR Interpretive Library Search System PN Penchev, KP Schulz, ME Munk Journal of chemical information and modeling 52 (6), 1513-1528, 2012 | 13 | 2012 |
Systematic structure elucidation of organic compounds by mass spectra classification K Varmuza, P Penchev, F Stancl, W Werther Journal of molecular structure 408, 91-96, 1997 | 13 | 1997 |
Diterpenoids from Scutellaria galericulata PI Bozov, PN Penchev, TA Vasileva, IN Iliev Chemistry of Natural Compounds 50, 554-556, 2014 | 11 | 2014 |
Implementation and testing of routine procedure for mixture analysis by search in infrared spectral library PN Penchev, VL Miteva, AN Sohou, NT Kochev, GN Andreev Bulg. Chem. Commun 40 (4), 1-5, 2008 | 11 | 2008 |
Characteristic substructures in sets of organic compounds with similar infrared spectra PN Penchev, K Varmuza Computers & Chemistry 25 (3), 231-237, 2001 | 10 | 2001 |
Synthesis and antimicrobial activity of new 3-substituted cyclohexanespiro-5-hydantoin derivatives M Marinov, I Kostova, E Naydenova, R Prodanova, P Marinova, ... University of Ruse “Angel Kanchev” Proceedings 54 (10.2), 62-67, 2015 | 9 | 2015 |