Research activity

• Isolation and identification of natural compounds from medicinal plants: Bellis perennis L., Borago officinalis L., Ficaria verna Huds., Bidens tripartita L., Bidens cernua L., Rubus saxatilis L., Rubus caesius L., Cirsium rivulare (Jacq.) All., Cirsium sp., Erigeron acris L., Erigeron annuus L., Potentilla argentea L., Potentilla recta L., Potentilla sp., Lychnis flos-cuculi L., Potentilla thuringiaca, Jasione montana L.
• Qualitative and quantitative analysis of natural compounds in medicinal plant material.

Research techniques

• Chromatographical analysis (CC, TLC, HPLC, GC)
• Spectral analysis (UV, IR, 1D and 2D NMR, MS)

Publications

2018

1. S. Borowska [S.D.], M. M. Brzóska, M. Tomczyk. Complexation of bioelements and toxic metals by polyphenolic compounds - implications for health. Current Drug Targets. 2018, 5. DOI: 10.2174/1389450119666180403101555 Researchgate.net
2. K. Celińska-Janowicz, I. Zaręba [S.D.], U. Lazarek, J. Teul, M. Tomczyk, J. A. Pałka, W. Miltyk. Constituents of propolis: chrysin, caffeic acid, p-coumaric acid, and ferulic acid induce PRODH/POX-dependent apoptosis in human tongue squamous cell carcinoma cell (CAL-27). Frontiers in Pharmacology 2018 : 9, article 336, 3 pp. DOI: 10.3389/fphar.2018.00336 Researchgate.net
3. S. Chledzik, J. Strawa, K. Matuszek, J. Nazaruk. Pharmacological effects of scutellarin, an active component of genus Scutellaria and Erigeron: a systematic review. The American Journal of Chinese Medicine. 2018 : 46, p. 1-19. DOI: 10.1142/S0192415X18500167 Researchgate.net
4. S. Shirooie, S. F. Nabavi, A. R. Dehpour, T. Belwal, S. Habtemariam, S. Argüelles, A. Sureda, M. Daglia, M. Tomczyk, E. Sobarzo-Sanchez, S. Xu, Seyed Mohammad Nabavi. Targeting mTORs by omega-3 fatty acids: a possible novel therapeutic strategy for neurodegeneration? Pharmacological Research. 2018 : 135, p. 37-48. DOI: 10.1016/j.phrs.2018.07.004
5. M. Sharifi-Rad, J. Nazaruk, L. Polito, M.F.B. Morais-Braga, J.E. Rocha, H.D.M. Coutinho, B. Salehi, G. Tabanellig, Ch. Montanari, M. del Mar Contreras, Z. Yousaf, W.N. Setzer, D.R. Verma, M. Martorell,  A. Sureda,  J. Sharifi-Rad. Matricaria genus as a source of antimicrobial agents: From farm to pharmacy and food applications. Microbiological Research. 2018 : 215, p. 76-88. DOI: 10.1016/j.micres.2018.06.010

2016-2017

1. D.M. Grochowski [S.D], K. Skalicka-Woźniak, I. Erdogan Orhan, J. Xiao, M. Locatelli, J.P. Piwowarski, S. Granica, M. Tomczyk. A comprehensive review of agrimoniin. Annals of the New York Academy of Sciences 2017 : 1401, p. 166-80, DOI: 10.1111/nyas.13421 Researchgate.net
2. N. Marcińczyk, D. Jarmoc, A. Leszczyńska, A. Zakrzeska, K. Kramkowski, J. Strawa, A. Gromotowicz-Popławska, E. Chabielska, M. Tomczyk. Antithrombotic potential of tormentil extract in animal models. Frontiers in Pharmacology 2017 : 8 : 534. DOI: 10.3389/fphar.2017.00534 Researchgate.net
3. A. Czajkowska [S.D], A. Gornowicz, N. Pawłowska, R. Czarnomysy, Jolanta Nazaruk, W. Szymanowski, A. Bielawska, K. Bielawski. Anticancer effect of a novel octahydropyrazino [2,1-a:5,4-a'] diisoquinoline derivative and its synergistic action with Nigella sativa in human gastric cancer cells. BioMed Research International. 2017, 13. DOI: 10.1155/2017/9153403 Researchgate.net

4. A. Baier, J. Nazaruk, A. Galicka, R. Szyszka. Inhibitory influence of natural flavonoids on human protein kinase CK2 isoforms: effect of the regulatory subunit. Molecular and Cellular Biochemistry 2017, 8. DOI: 10.1007/s11010-017-3228-1 Researchgate.net

5. V.A. Isidorow, J. Nazaruk. Gas chromatographic-mass spectrometric determination of glycosides without prior hydrolysis. Journal of Chromatography A 2017 : 1521, p. 161-66 DOI: 10.1016/j.chroma.2017.09.033 Researchgate.net

6. J. Nazaruk, S. Chłędzik, J. Strawa, K. Bazydło, A. Wajs-Bonikowska. Chemical composition and and antioxidant activity of Cirsium vulgare inflorescences. Natural Product Communications 2017 : 12, p. 519-22. Researchgate.net
7. U. Klimczak, M. Woźniak, M. Tomczyk, S. Granica. Chemical composition of edible aerial parts of meadow bistort (Persicaria bistorta (L.) Samp.). Food Chemistry 2017 : 230, p. 281-90, DOI: 10.1016/j.foodchem.2017.02.128 Researchgate.net
8. M. Tomczykowa, M. Tomczyk, K. Leszczyńska, D. Kalemba. Flavonoids and essential oil of Bidens cernua of Polish origin and In vitro antimicrobial activity of the essential oil of species. Records of Natural Products 2017 : 11, 5, p. 468-73, DOI: 10.25135/rnp.59.16.09.067 Researchgate.net
9. S. Miltonprabu, M. Tomczyk, K. Skalicka-Woźniak, L. Rastrelli, M. Daglia, S.F. Nabavi, S.M. Alavian, S.M. Nabavi. Hepatoprotective effect of quercetin: From chemistry to medicine. Food and Chemical Toxicology 2017, 108, p. 365-74. DOI: 10.1016/j.fct.2016.08.034 Researchgate.net
10. M. Tomczyk, K. Sosnowska, M. Pleszczyńska, J. Strawa, A. Wiater, D. M. Grochowski, M. Tomczykowa, K. Winnicka. Hydrogel containing an extract of tormentillae rhizoma for the treatment of biofilm-related oral diseases. Natural Product Communications 2017 : 12, 3, p. 417-21. Researchgate.net
11. D.M. Grochowski, S. Uysal, A. Aktumsek, S. Granica, G. Zengin, R. Ceylan, M. Locatelli, M. Tomczyk. In vitro enzyme inhibitory properties, antioxidant activities, and phytochemical profile of Potentilla thuringiaca. Phytochemistry Letters 2017 : 20, p. 365-72, DOI: 10.1016/j.phytol.2017.03.005 Researchgate.net
12. E. Nalewajko-Sieliwoniuk, J. Malejko, P. Twarowska, M. Timoszuk, J. Nazaruk. Postcolumn determination of polyphenolic antioxidants in Cirsium vulgare (Savi) Ten. extracts. Journal of Separation Science 2017, 9. DOI: 10.1002/jssc.201700496 Researchgate.net
13. A. Baier, A. Galicka, J. Nazaruk, R. Szyszka. Selected flavonoid compounds as promising inhibitors of protein kinase CK2alpha and CK2alpha`, the catalytic subunits of CK2. Phytochemistry 2017 : 136, p. 39-45, DOI: 10.1016/j.phytochem.2016.12.018 Researchgate.net
14. M. M. Brzóska, S. Borowska, M. Tomczyk. Antioxidants as a potential preventive and therapeutic strategy for cadmium. Current Drug Targets 2016 : 17, 12, p. 1350-84 DOI: 10.2174/1389450116666150506114336 Researchgate.net
15. J. Kosel, P. Bobik, M. Tomczyk. Buprenorphine - the unique opioid adjuvant in regional anesthesia. Expert Review of Clinical Pharmacology. 2016:9, p. 375-83. DOI: 10.1586/17512433.2016.1141047 Researchgate.net
16. J. Strawa, A. Wajs-Bonikowska, K. Leszczyńska, M. Ściepuk, J. Nazaruk. Chemical composition and antioxidant, antibacterial activity of Cirsium rivulare (Jacq) All. roots. Natural Product Research. 2016:30, p. 2730-33. DOI: 10.1080/14786419.2016.1138303 Researchgate.net
17. D.M.Grochowski S.D, R. Paduch, A. Wiater, A. Dudek, M. Pleszczyńska, M. Tomczykowa, S. Granica, P. Polak, M. Tomczyk. In vitro antiproliferative and antioxidant effects of extracts from Rubus caesius leaves and their quality evaluation. Evidence-Based Complementary and Alternative Medicine. 2016, p. 8. DOI: 10.1155/2016/5698685 Researchgate.net
18. J. Nazaruk, P. Orlikowski. Phytochemical profile and therapeutic potential of Viscum album L. Natural Product Research. 2016 : 30, 4, p. 373-85. DOI: 10.1080/14786419.2015.1022776 Researchgate.net
19. Ł. Szoka, E. Karna, J. Nazaruk, J. A. Pałka. Prolidase-dependent mechanism of (Z)-8,9-epoxyheptadeca-1,11,14-triene-induced inhibition of collagen biosynthesis in cultured human skin fibroblasts. Natural Product Research. 2016:30, p. 665-71. DOI: 10.1080/14786419.2015.1038535 Researchgate.net
20. M. M. Brzóska, J. Rogalska, A. Roszczenko, M. Gałażyn-Sidorczuk, M. Tomczyk. The mechanism of the osteoprotective action of a polyphenol-rich Aronia melanocarpa extract during chronic exposure to cadmium is mediated by the oxidative defense system. Planta Medica. 2016:82, p. 621-31. DOI: 10.1055/s-0042-103593 Researchgate.net
21. J. Malejko, E. Nalewajko-Sieliwoniuk, J. Szabuńko, J. Nazaruk. Ultra-high Performance Liquid Chromatography with Photodiode Array and Chemiluminescence Detection for the Determination of Polyphenolic Antioxidants in Erigeron acris L. Extracts. Phytochemical Analysis. 2016:27, p. 277-83. DOI: 10.1002/pca.2626 Researchgate.net

2014-2015

1. A. Wiater, R. Paduch, A. Choma, S. Stączek, M. Pleszczyńska, M. Tomczyk, M. Locatelli, J. Szczodrak. (1-3)-alpha-D-glucans from Aspergillus spp.: structural characterization and biological study on their carboxymethylated derivatives. Current Drug Targets. 2015 : 16, p. 1488-94 DOI: 10.2174/1389450116666150120105133 Researchgate.net
2. J. Konończuk, A. Surażyński, U. Czyżewska, I.Prokop, M. Tomczyk, J. Pałka, W. Miltyk. Alphallbbeta3-integrin ligands: Abciximab and Eptifibatide as proapoptotic factors in MCF-7 human breast cancer cells. Current Drug Targets. 2015:16 , p. 1429-37. DOI: 10.2174/1389450115666140804220441 Researchgate.net
3. R. Paduch, A. Wiater, M. Locatelli, M. Pleszczyńska, M. Tomczyk. Aqueous extracts of selected Potentilla species modulate biological activity of human normal colon cells. Current Drug Targets. 2015 : 16, 13, p. 1495-02 DOI: 10.2174/1389450116666141205160444 Researchgate.ne
4. E. Nalewajko-Sieliwoniuk, J. Malejko, M. Mozolewska, E. Wołyniec, J. Nazaruk. Determination of polyphenolic compounds in Cirsium palustre (L) extracts by High performance liquid chromatography with chemiluminescence detection. Talanta. 2015:133, p. 38-44. DOI: 10.1016/j.talanta.2014.05.062 Researchgate.net
5. M.M. Brzóska, J. Rogalska, M. Gałażyn-Sidorczuk, M. Jurczuk, A. Roszczenko, M. Tomczyk. Protective effect of Aronia melanocarpa polyphenols against cadmium-induced disorders in bone metabolism: A study in a rat model of lifetime human exposure to this heavy metal. Chemico-Biological Interactions. 2015 : 5, p. 132-46. DOI: 10.1016/j.cbi.2015.01.031
6. M.M. Brzóska, M. Gałażyn-Sidorczuk, M. Jurczuk, M. Tomczyk. Protective effect of Aronia melanocarpa polyphenols on cadmium accumulation in the body: a study in a rat model of human exposure to this metal. Current Drug Targets. 2015:16, p. 1470-87. DOI: 10.2174/1389450116666150102121708 Researchgate.net
7. J. Nazaruk, M. Borzym-Kluczyk. The role of triterpenes in the management of diabetes mellitus and its complications. Phytochemistry Reviews. 2015 : 14, p. 675-90. DOI: 10.1007/s11101-014-9369-x Researchgate.net
8. M.E. Płońska-Brzezińska, D. M. Brus, A. Sharma, P. Rodziewicz, M. Tomczyk, J. Czyrko, K. Brzeziński. Triple helical collagen-like peptide interactions with selected polyphenolic compounds. RSC Advances. 2015:5, p. 95443-53 DOI: 10.1039/C5RA15469C Researchgate.net
9. A.Galicka, R. Krętowski, J. Nazaruk, M. Cechowska-Pasko. Anethole prevents hydrogen peroxide-induced apoptosis and collagen metabolism alterations in human skin fibroblasts. Molecular and Cellular Biochemistry 2014:394, p 217-224. DOI: 10.1007/s11010-014-2097-0 Researchgate.net
10. J. Malejko, E. Nalewajko-Sieliwoniuk, J. Nazaruk, J. Siniło, A. Kojło. Determination of the total polyphenolic content in Cirsium palustre (L.) leaves extracts with manganese(IV) chemiluminescence detection. Food Chemistry. 2014:152, p. 155-61. DOI: 10.1016/j.foodchem.2013.11.138 Researchgate.net
11. M.P. Maliński, A. D. Michalska [S.D.], M. Tomczykowa, M. Tomczyk, B. Thiem. Ragged Robin (Lychnis flos-cuculi) - a plant with potential medicinal value. Revista Brasileira de Farmacognosia-Brazilian Journal of Pharmacognosy. 2014:24, p. 722-30 DOI: 10.1016/j.bjp.2014.11.004 Researchgate.net
12. J. Nazaruk, A. Galicka. The influence of selected flavonoids from the leaves of cirsium palustre (L.) scop. on collagen expression in human skin fibroblasts. Phytotherapy Research 2014:28, p. 1399-1405 DOI: 10.1002/ptr.5143 Researchgate.net

2012-2013

1. M. Tomczyk, M. Pleszczyńska, A. Wiater, S. Granica. In Vitro anticariogenic effects of Drymocallis rupestris extracts and their quality evaluation by HPLC-DAD-MS₃ analysis. Molecules. 2013:18, p. 9117-31. DOI: 10.3390/molecules18089117 Researchgate.net
2. A. Bazylko, J. P. Piwowarski, A. Filipek, J. Bonarewicz, M. Tomczyk. In vitro antioxidant and anti-inflammatory activities of extracts from Potentilla recta and its main ellagitannin, agrimoniin. Journal of Ethnopharmacology. 2013:149, p. 222-27. DOI: 10.1016/j.jep.2013.06.026 Researchgate.net
3. M. Zovko Končić, M. Tomczyk. New insights into dietary supplements used in sport: active substances, pharmacological and side effects. Current Drug Targets. 2013:14, p. 1079-92. DOI: 10.2174/1389450111314090016 Researchgate.net
4. M. Tomczyk, R. Paduch, A. Wiater, M. Pleszczyńska, M. Kandefer-Szerszeń, J. Szczodrak. The influence of aqueous extracts of selected Potentilla species on normal human colon cells. Acta Poloniae Pharmaceutica Drug Research. 2013:70, p. 523-31. PMID: 23757943 Researchgate.net
5. A. Wiater, R. Paduch, A. Choma, M. Pleszczyńska, M. Siwulski, J. Dominik, G. Janusz, M. Tomczyk, J. Szczodrak. Biological study on carboxymethylated (1-3) - alpha -D-glucans from fruiting bodies of Ganoderma lucidum. International Journal of Biological Macromolecules. 2012:51, p. 1014-23 DOI: 10.1016/j.ijbiomac.2012.08.017 Researchgate.net
6. J. Nazaruk, A. Wajs-Bonikowska, R. Bonikowski. Components and antioxidant activity of fruits of Cirsium palustre and C. rivulare. Chemistry of Natural Compounds. 2012:48, p. 8-10. DOI: 10.1007/s10600-012-0147-y Researchgate.net
7. E. Nalewajko-Sieliwoniuk, J. Nazaruk, J. Kotowska, A. Kojło.Determination of the flavonoids/antioxidant levels in Cirsium oleraceum and Cirsium rivulare extracts with cerium(IV)-rhodamine 6G chemiluminescence detection. Talanta. 2012:96, p. 216-22. DOI: 10.1016/j.talanta.2012.02.028 Researchgate.net
8. M. Tomczyk, A. Bazylko, J. Bonarewicz. Method development and validation for optimized separation of quercetin derivatives in selected Potentilla species using high-performance thin-layer chromatography photodensitometry method. Journal of Pharmaceutical and Biomedical Analysis. 2012:61, p. 265-70. DOI: 10.1016/j.jpba.2011.12.010 Researchgate.net
9. M. Tomczyk, M. Zovko-Koncic, L. Chrostek. Phytotherapy of alcoholism. Natural Product Communications. 2012 : 7, 2, s. 273-80. PMID: 22474979 Researchgate.net
10. J. Nazaruk, E. Karna, D. Kalemba. The chemical composition of the essential oils of Cirsium palustre and C. rivulare and their antiproliferative effect. Natural Product Communications. 2012:7, p. 269-72 PMID: 22474978 Researchgate.net

2011

1. J. Nazaruk, J. Jabłoński. Chemical constituents of chloroform and petroleum extracts from Cirsium palustre flower heads. Chemistry of Natural Compounds. 2011:47, p. 654-55. DOI: 10.1007/s10600-011-0023-1 Researchgate.net
2. A.Bazylko, M. Tomczyk, A. Flazińska, A. Lęgas. Chemical fingerprint of Potentilla species by using HPTLC method. Journal of Planar Chromatography. 2011:24, p. 441-44. DOI: 10.1556/JPC.24.2011.5.14 Researchgate.net
3. M. Tomczykowa, K. Leszczyńska, M. Tomczyk, E.Tryniszewska, D. Kalemba. Composition of the essential oil of Bidens tripartita L. Roots and its antibacterial and antifungal activities. Journal of Medicinal Food. 2011:14, p. 428-33. DOI: 10.1089/jmf.2010.0066 Researchgate.net
4. M. Tomczyk, A. Wiater, M. Pleszczyńska. In vitro anticariogenic effects of aerial parts of Potentilla recta and its phytochemical profile. Phytotherapy Research. 2011:25, p. 343-50. DOI: 10.1002/ptr.3262 Researchgate.net
5. E. Karna, J. Nazaruk, Ł. Szoka, J. A. Pałka. Scutellarin-dependent inhibition of collagen biosynthesis in cultured fibroblast. Natural Product Research. 2011:25, p.1789-95. DOI: 10.1080/14786419.2010.482056 Researchgate.net
6. M. Tomczyk. Secondary metabolites from Potentilla recta L. and Drymocallis rupestris (L.) Soják (syn.Potentilla rupestris L.) (Rosaceae). Biochemical Systematics and Ecology. 2011 : 39, 4-6, p. 893-96. DOI: 10.1016/j.bse.2011.07.006 Researchgate.net

2009-2010

1. M. Tomczyk, A. Bazylko, A. Staszewska. Determination of polyphenolics in extracts of Potentilla species by high-performance thin-layer chromatography photodensitometry method. Phytochemical Analysis. 2010:21, p. 174-79. DOI: 10.1002/pca.1174 Researchgate.net
2. A. Galicka, J. Nazaruk, M. Bruczko. Differential effect of flavonoids on glycosaminoglycan content and distribution in skin fibroblasts of patients with type I osteogenesis imperfecta. Molecular Medicine Reports. 2010:3, p. 537-41 DOI: 10.3892/mmr_00000294 Researchgate.net
3. M. H. Borawska, S. K. Czechowska, R. Markiewicz, K. Socha, J. Nazaruk, J. Pałka, V. A. Isidorow. Enhancement of antibacterial effects of extracts from Cirsium species using sodium picolinate and estimation of their toxicity. Natural Product Research. 2010:24, p. 554-61. DOI: 10.1080/14786410902770728 Researchgate.net
4. J. Nazaruk, E. Karna, P. Wieczorek, P. Sacha, E. Tryniszewska. In vitro antiproliferative and antifungal activity of essential oils from Erigeron acris L. and Erigeron annuus (L.) pers. Zeitschrift fur Naturforschung C. 2010:65, p. 642-46. DOI: 10.1515/znc-2010-11-1202 Researchgate.net
5. A. Walesiuk, J. Nazaruk, J. J. Braszko. Pro-cognitive effects of Cirsium rivulare extracts in rats. Journal of Ethnopharmacology. 2010:129, p. 261-66. DOI: 10.1016/j.jep.2010.03.028 Researchgate.net
6. M. Tomczyk, A. Tumanov, A. Zaniewska [S.D], A. Surażyński. The potential mechanism of tiliroside-dependent inhibition of t-butylhydroperoxide-induced oxidative stress in endometrial carcinoma cells. Planta Medica. 2010:76, p. 963-68. DOI: 10.1055/s-0029-1240900 Researchgate.net
7. M. Tomczyk, M. Pleszczyńska, A. Wiater. Variation in total polyphenolics contents of aerial parts of Potentilla species and their anticariogenic activity. Molecules. 2010:15, p. 4639-51. DOI: 10.3390/molecules15074639 Researchgate.net
8. J. Nazaruk, D. Kalemba. Chemical composition of the essential oils from the roots of Erigeron acris L. and Erigeron annuus (L.) Pers. Molecules. 2009:14, p. 2458-65. DOI: 10.3390/molecules14072458 Researchgate.net
9. J. Nazaruk. Flavonoid compounds from Cirsium palustre (L.) Scop. flower heads. Biochemical Systematics and Ecology. 2009 : 37, s.525-27. DOI: 10.1016/j.bse.2009.05.012 Researchgate.net
10. M. Tomczyk, K. P. Latte. Potentilla - a review of its phytochemical and pharmacological profile. Journal of Ethnopharmacology 2009:122, p. 184-204. DOI: 10.1016/j.jep.2008.12.022 Researchgate.net

2008

1. M. Tomczyk, K. Leszczyńska, P. Jakoniuk. Antimicrobial activity of Potentilla species. Fitoterapia. 2008:79, p. 592-94. DOI: 10.1016/j.fitote.2008.06.006 Researchgate.net
2. M. Tomczykowa, M. Tomczyk, P. Jakoniuk, E. Tryniszewska. Antimicrobial and antifungal activities of the extracts and essential oils of Bidens tripartita. Folia Histochemica et Cytobiologica. 2008:46, p. 389-93 DOI: 10.5603/4416 Researchgate.net
3. J. Nazaruk. Antioxidant activity and total phenolic content in Cirsium five species from north-east region of Poland. Fitoterapia. 2008:79, p. 194-96. DOI: 10.1016/j.fitote.2007.11.008 Researchgate.net
4. A. Lis, J. Mielczarek, D. Kalemba, J. Nazaruk. Chemical composition of the essential oil from the herb of Erigeron annuus (L.) Pers. Journal of Essential Oil Research. 2008:20, p. 229-32. DOI: 10.1080/10412905.2008.9699999 Researchgate.net
5. A. Z. Wilczewska, M. Ulman, Z. Chilmończyk, J. Maj, T. Koprowicz, M. Tomczyk, M. Tomczykowa. Comparison of volatile constituents of Acorus calamus and Asarum europaeum obtained by different techniques. Journal of Essential Oil Research. 2008:20, p. 390-95. DOI: 10.1080/10412905.2008.9700038 Researchgate.net
6. E. Nalewajko-Sieliwoniuk, J. Nazaruk, E. Antypiuk, A. Kojło. Determination of phenolic compounds and their antioxidant activity in Erigeron acris L. extracts and pharmaceutical formulation by flow injection analysis with inhibited chemiluminescent detection. Journal of Pharmaceutical and Biomedical Analysis. 2008:48, p. 579-86. DOI: 10.1016/j.jpba.2008.05.026 Researchgate.net
7. M. Tomczyk, D. Drozdowska, A. Bielawska, K. Bielawski, J. Gudej. Human DNA topoisomerase inhibitors from Potentilla argentea and their cytotoxic effect against MCF-7. Pharmazie. 2008:63, p. 389-93. DOI: 10.1691/ph.2008.7810 Researchgate.net
8. J. Nazaruk, S. K. Czechowska, R. Markiewicz, M. H. Borawska. Polyphenolic compounds and in vitro antimicrobial and antioxidant activity of aqueous extracts from leaves of some Cirsium species. Natural Product Research. 2008:22, p. 1583-88. DOI: 10.1080/14786410701825053 Researchgate.net
9. M. Tomczyk. Preliminary phytochemical investigation of Lychnis flos-cuculi herbs. Journal of Natural Medicines. 2008:62, p. 473-75. DOI: 10.1007/s11418-008-0261-0 Researchgate.net

2005-2007

1. A. Galicka, J. Nazaruk. Stimulation of collagen biosynthesis by flavonoid glycosides in skin fibroblasts of osteogenesis imperfecta type I and the potential mechanism of their action. International Journal of Molecular Medicine. 2007:20, p. 889-95 DOI: 10.3892/ijmm.20.6.889 Researchgate.net
2. J. Nazaruk, J. Gudej, T. Majda, J. Góra. Investigation of the essential oil of Erigeron acris L. herb. Journal of Essential Oil Research. 2006:18, p. 88-90. DOI: 10.1080/10412905.2006.9699394 Researchgate.net
3. Michał Tomczyk. Secondary metabolites from Potentilla argentea. Biochemical Systematics and Ecology. 2006 : 34, p. 770-73. DOI: 10.1016/j.bse.2006.06.002 Researchgate.net
4. M. Wolniak, M. Tomczyk, J. Gudej, I. Wawer. Structural studies of methyl brevifolincarboxylate in solid state by means of NMR spectroscopy and DFT calculations. Journal of Molecular Structure. 2006:825, p. 26-31. DOI: 10.1016/j.molstruc.2006.04.010
5. M. Tomczykowa, J. Gudej, T. Majda, J. Góra. Essential oils of Bidens tripartita L. Journal of Essential Oil Research. 2005:17, p. 632-35. DOI: 10.1080/10412905.2005.9699018 Researchgate.net
6. J. Nazaruk, P. Jakoniuk. Flavonoid composition and antimicrobial activity of Cirsium rivulare (Jacq.) All. flowers. Journal of Ethnopharmacology. 2005:102, p. 208-12. DOI: 10.1016/j.jep.2005.06.012 Researchgate.net
7. M. Tomczyk, J. Gudej. Polyphenolic compounds from Rubus saxatilis. Chemistry of Natural Compounds. 2005 : 41, p. 349-51. DOI: 10.1007/s10600-005-0148-1 Researchgate.net

2001-2004

1. J. Gudej, M. Tomczyk. Determination of flavonoids, tannins and ellagic acid in leaves from Rubus L. species. Archives of Pharmacal Research. 2004:27, p. 1114-19 DOI: 10.1007/BF02975114 Researchgate.net
2. M. Tomczyk, J. Gudej. Quantitative analysis of flavonoids in the flowers and leaves of Ficaria verna Huds. Zeitschrift fur Naturforschung C. 2003:58, p. 762-64 DOI: 10.1515/znc-2003-9-1030 Researchgate.net
3. M. Tomczyk, J. Gudej, M. Sochacki. Flavonoids from Ficaria verna Huds. Zeitschrift fur Naturforschung C. 2002 : 57, 5-6, p. 440-44 DOI: 10.1515/znc-2002-5-606 Researchgate.net
4. M. Tomczyk, J. Gudej. Quercetin and Kaempferol glycosides from Ficaria verna flowers and their structure studied by 2D NMR spectroscopy.Polish Journal of Chemistry. 2002:76, p. 1601-05 Researchgate.net
5. S. Olejniczak, K. Ganicz, M. Tomczykowa, J. Gudej, M. J. Potrzebowski. Structural Studies of 2-(3′,4′-dihydroxyphenyl)-7-β-d-glucopyranos-1-O-yl-8-hydroxychroman-4-one in the Liquid and Solid-States by Means of 2D NMR Spectroscopy and DFT Calculations. Journal of the Chemical Society Perkin Transactions 2. 2002:6, p. 1059-65 DOI: 10.1039/b202414b Researchgate.net
6. J. Gudej, J. Nazaruk. Flavonal glycosides from the flowers of Bellis perennis. Fitoterapia. 2001:72 p. 839-40. DOI: 10.1016/S0367-326X(01)00309-4 Researchgate.net