Publications

Mahendra K. Mohan, T. Tran Ho, Carmen Köster, Oliver Järvik, Maria Kulp, Yevgen Karpichev. Tuning ester derivatives of organosolv vs technical lignin for improved thermoplastic materials. 2026

Olivia-Stella Salm, Marina Kudrjashova, Maria Kulp. Green non-destructive approach for quantifying hydroxyl groups in lignin using ATR-FTIR spectroscopy and chemometric methods. 2026

T. Tran Ho, Olivia-Stella Salm, Tiit Lukk, Maria Kulp. Utilization of phenolic lignin dimer models for the quantification of monolignols in biomass and in its derived organosolv lignins via thioacidolysis and GC-MS analysis. 2025

Olga Bragina, Maria Kuhtinskaja, Vladimir Elisashvili, Mikheil Asatiani, Maria Kulp. Antibacterial Properties of Submerged Cultivated Fomitopsis pinicola, Targeting Gram-Negative Pathogens, Including Borrelia burgdorferi. 2025

Elle Rajandu, Kadri-Liis Kaljuvee, Maria Kulp, Marko Kaasik, Tiina Elvisto, Martin Küttim. Assessment of Air Pollution by the Contents of Potentially Toxic Chemical Elements in Bryophytes. 2025

Olivia-Stella Salm, Jaan Kers, Maria Kulp. Non-Anatomical Identification and Compositional Profiling of Processed Wood Using ATR-FTIR and Chemometric Modeling. 2025

Elle Rajandu, Kadri-Liis Kaljuvee, Maria Kulp; Marko Kaasik, Tiina Elvisto, Martin Küttim. Syntrichia ruralis as a suitable bioindicator for urban areas – the case study of Tallinn city. 2025

Mahendra K. Mohan, Oleg Silenko, Illia Krasnou, Olga Volobujeva, Maria Kulp, Maksim Ošeka, Tiit Lukk, Dr. Yevgen Karpichev. Chloromethylation of Lignin as a Route to Functional Material with Catalytic Properties in Cross-Coupling and Click Reactions. 2024

Bondar, Denys; Bragina, Olga; Lee, Ji Young; Semenyuta, Ivan ; Järving, Ivar; Brovarets, Volodymyr ; Wipf, Peter; Bahar, Ivet; Karpichev, Yevgen. Hydroxamic Acids as PARP-1 Inhibitors: Molecular Design and Anticancer Activity of Novel Phenanthridinones. Helvetica Chimica Acta 2023.

Bljahhina, Anastassia; Kuhtinskaja, Maria; Kriščiunaite, Tiina. Development of Extraction Method for Determination of Saponins in Soybean-Based Yoghurt Alternatives: Effect of Sample pH. Foods 2023, 12 (11), #2164.

Berikashvili, V.; Khardziani, T.; Kobakhidze, A.; Kulp, M.; Kuhtinskaja, M.; Lukk, T.; Gargano, M.L.; Venturella, G.; Kachlishvili, E.; Metreveli, E.; Elisashvili, V.; Asatiani, M. Antifungal Activity of Medicinal Mushrooms and Optimization of Submerged Culture Conditions for Schizophyllum commune (Agaricomycetes). International Journal of Medicinal Mushrooms 2023, 25 (10), 1−21.

Bljahhina, A.; Pismennõi, D.; Kriščiunaite, T.; Kuhtinskaja, M.; Kobrin, E.-G., Quantitative Analysis of Oat (Avena sativa L.) and Pea (Pisum sativum L.) Saponins in Plant-Based Food Products by Hydrophilic Interaction Liquid Chromatography Coupled with Mass Spectrometry, Foods 2023, 12(5), 991

Saar-Reismaa, P.; Bragina, O.; Kuhtinskaja, M.; Reile, I.; Laanet, P.-R.; Kulp, M.; Vaher, M. Extraction and Fractionation of Bioactives from Dipsacus Fullonum L. Leaves and Evaluation of Their Anti-Borrelia Activity. Pharmaceuticals 2022, 15, 87.

Jõul, P.; Ho, T.T.; Kallavus, U.; Konist, A.; Leiman, K.; Salm, O.-S.; Kulp, M.; Koel, M.; Lukk, T. Characterization of organosolv lignins and their application in the preparation of aerogels. Materials 2022, 15, 2861.

Usmani, Z.; Kulp, M.; Lukk, T. Bioremediation of lindane contaminated soil: Exploring the potential of actinobacterial strains. Chemosphere 2021, 278, 130468.

Bonetta, R.; Hunter, G.J.; Trinh, C.H.; Borowski, T.; Fenech, A.G.; Kulp, M.; Tabares, L.C.; Un, S.; Hunter, T. Substitution of histidine 30 by asparagine in manganese superoxide dismutase alters biophysical properties and supports proliferation in a K562 leukemia cell line. European Biophysics Journal 2021, 50, 571-585.

Saar-Reismaa, P.; Kotkas, K.; Rosenberg, V.; Kulp, M.; Kuhtinskaja, M.; Vaher, M. Analysis of Total Phenols, Sugars, and Mineral Elements in Colored Tubers of Solanum tuberosum L. Foods 2020, 9, 1862.

Saar-Reismaa, P.; Brilla, C.-A.; Leiman, K.; Kaljurand, M.; Vaher, M.; Kulp, M.; Mazina-Šinkar, J. Use of a newly-developed portable capillary electrophoresis analyzer to detect drugs of abuse in oral fluid: a case study. Talanta 2020, 211, 120662.

Kuhtinskaja, M.; Bragina, O.; Kulp, M.; Vaher, M. Anticancer effect of the iridoid glycoside fraction from Dipsacus fullonum L. leaves. Natural Product Communications 2020, 15.

Saar-Reismaa, P.; Tretjakova, A.; Mazina-Šinkar, J.; Vaher, M.; Kaljurand, M.; Kulp, M. Rapid and sensitive capillary electrophoresis method for the analysis of Ecstasy in an oral fluid. Talanta 2019, 197, 390-396.

Bolobajev, J.; Kask, M.; Kreek, K.; Kulp, M.; Koel, M.; Goi, A. Metal-doped organic aerogels for photocatalytic degradation of trimethoprim. Chemical Engineering Journal 2019, 357, 120-128.

Saar-Reismaa, P.; Erme, E.; Vaher, M.; Kulp, M.; Kaljurand, M.; Mazina-Šinkar, J. In situ determination of illegal drugs in oral fluid by portable capillary electrophoresis with deep UV excited fluorescence detection. Analytical chemistry 2018, 90, 6253-6258.

P Jõul, M Vaher, M Kuhtinskaja, Evaluation of carbon aerogel-based solid-phase extraction sorbent for the analysis of sulfur mustard degradation products in environmental water samples, Chemosphere, 198, 2018

Saar-Reismaa, P.; Vaher, M.; Kaljurand, M.; Kulp, M.; Mazina-Šinkar, J. Simultaneous determination of γ-hydroxybutyric acid, ibotenic acid and psilocybin in saliva samples by capillary electrophoresis coupled with a contactless conductivity detector. Analytical Methods 2017, 9, 3128-3133.

P Joul, M Kuhtinskaja, M Vaher, M Koel, Green chemistry and reconsidering simple analytical methods, Chimica Oggi-Chemistry Today, 35, 2017

Mazina, J.; Spiljova, A.; Vaher, M.; Kaljurand, M.; Kulp, M. A rapid capillary electrophoresis method with LED-induced native fluorescence detection for the analysis of cannabinoids in oral fluid. Analytical Methods 2015, 7, 7741-7747.

Mazina, J.; Saar‐Reismaa, P.; Kulp, M.; Kaljurand, M.; Vaher, M. Determination of γ‐hydroxybutyric acid in saliva by capillary electrophoresis coupled with contactless conductivity and indirect UV absorbance detectors. Electrophoresis 2015, 36, 3042-3049.

Kazarjan, J.; Vaher, M.; Hunter, T.; Kulp, M.; Hunter, G.J.; Bonetta, R.; Farrugia, D.; Kaljurand, M. Determination of metal content in superoxide dismutase enzymes by capillary electrophoresis. Journal of separation science 2015, 38, 1042-1045.

Bragina, O.; Gurjanova, K.; Krishtal, J.; Kulp, M.; Karro, N.; Tõugu, V.; Palumaa, P. Metallothionein 2A affects the cell respiration by suppressing the expression of mitochondrial protein cytochrome c oxidase subunit II. Journal of bioenergetics and biomembranes 2015, 47, 209-216.

Pedastsaar, P.; Vaher, M.; Helmja, K.; Kulp, M.; Kaljurand, M.; Karp, K.; Raal, A.; Karathanos, V.; Püssa, T. Chemical composition of red wines made from hybrid grape and common grape (Vitis vinifera L.) cultivars. Proceedings of the Estonian Academy of Sciences 2014, 63.

Kreek, K.; Kulp, M.; Uibu, M.; Mere, A.; Koel, M. Preparation of metal-doped carbon aerogels from oil shale processing by-products. Oil Shale 2014, 31, 185.

Lener, M.R.; Gupta, S.; Scott, R.J.; Tootsi, M.; Kulp, M.; Tammesoo, M.-L.; Viitak, A.; Metspalu, A.; Serrano-Fernández, P.; Kładny, J. Can selenium levels act as a marker of colorectal cancer risk? BMC cancer 2013, 13, 1-6.

Kulp, M.; Bragina, O. Capillary electrophoretic study of the synergistic biological effects of alkaloids from Chelidonium majus L. in normal and cancer cells. Analytical and bioanalytical chemistry 2013, 405, 3391-3397.

Kõllo, M.; Kudrjašova, M.; Kulp, M.; Aav, R. Methylphosphonic acid as a 31 P-NMR standard for the quantitative determination of phosphorus in carbonated beverages. Analytical Methods 2013, 5, 4005-4009.

Kulp, M.; Bragina, O.; Kogerman, P.; Kaljurand, M. Capillary electrophoresis with led-induced native fluorescence detection for determination of isoquinoline alkaloids and their cytotoxicity in extracts of Chelidonium majus L. Journal of Chromatography A 2011, 1218, 5298-5304.

Knjazeva, T.; Kulp, M.; Kaljurand, M. CE separation of various analytes of biological origin using polyether ether ketone capillaries and contactless conductivity detection. Electrophoresis 2009, 30, 424-430.

Kulp, M.; Urban, P.L.; Kaljurand, M.; Bergström, E.T.; Goodall, D.M. Visualization of electrophoretically mediated in-capillary reactions using a complementary metal oxide semiconductor-based absorbance detector. Analytica chimica acta 2006, 570, 1-7.

Kulp, M.; Vaher, M.; Kaljurand, M. Miniaturization of sampling for chemical reaction monitoring by capillary electrophoresis. Journal of Chromatography A 2005, 1100, 126-129.

Kulp, M.; Kaljurand, M.; Käämbre, T.; Sikk, P.; Saks, V. In situ monitoring of kinetics of metabolic conversion of ATP to ADP catalyzed by MgATPases of muscle Gastrocnemius skinned fibers using micellar electrokinetic chromatography. Electrophoresis 2004, 25, 2996-3002.

Kulp, M.; Kaljurand, M. On-line monitoring of enzymatic conversion of adenosine triphosphate to adenosine diphosphate by micellar electrokinetic chromatography. Journal of Chromatography A 2004, 1032, 305-312.

Kulp, M.; Vassiljeva, I.; Vilu, R.; Kaljurand, M. Monitoring of the degradation of phenols by Rhodococcus bacteria by using micellar electrokinetic chromatography. Journal of separation science 2002, 25, 1129-1135.