Defended Theses
LC/MS Studies
Ernesto de Jesus Zapata Flores, Doctor’s Degree, 2023, “Derivatization reagents used in negative mode electrospray LC-MS”
Merit Oss, Doctor’s Degree, 2021, “Ionization efficiency in electrospray ionization source and its relations to compounds’ physico-chemical properties”
Krit Lossmann, Master’s Degree, 2021, “Novel fluorinated eluent additives and the achieved retention mechanisms on pentafluorophenyl stationary phase”
Max Hecht, Doctor’s Degree, 2020, “Advances in the development of a point-of-care mass spectrometer test”
Ruta Hecht, Doctor’s Degree, 2020, “Novel eluent additives for LC-MS based bioanalytical methods”
Artur Gornischeff, Doctor’s Degree, 2020, “Study of ionization efficiencies for derivatized compounds in LC/ESI/MS and their application for targeted analysis”
Waseem Ahmad Iftikhar, Master’s Degree, 2020, “Determination antibacterials in river water by solid phase extraction using LC-MS/MS”
Joshua Onyeka Osagu, Master’s Degree, 2020, “Simultaneous Determination of Selected Antimicrobial Agents In Sewage Sludge By Pressurised Liquid Extraction And LC-MS/MS”
Jaanus Liigand, Doctor’s Degree, 2019, “Standard substance free quantification for LC/ESI/MS analysis based on the predicted ionization efficiencies”
Piia Liigand, Doctor’s Degree, 2019, “Expanding and improving methodology and applications of ionization efficiency measurements”
Ernesto de Jesus Zapata Flores, Master’s Degree, 2018, “Determination of free diisocyanates in polyurethane foam”
Maarja-Liisa Oldekop, Doctor’s Degree, 2017, “Characterization of amino acid derivatization reagents for LC-MS analysis”
Elmo Libek, Master’s Degree, 2017, “Predicting the hydrophobicity of ionic substances with HPLC”
Gunnar Printsmann, Master’s Degree, 2017, “Screening of Estonian groundwater for regulated and emerging contaminants”
Asko Laaniste, Doctor’s Degree, 2016, “Comparison and optimisation of novel mass spectrometry ionisation sources”
Ruta Veigure, Master’s Degree, 2016, “Development and validation of UHPLC-MS/MS method for analysis of sedative drugs and their metabolites in blood plasma”
Jaana Heiter, Master’s Degree, 2016, “Synthesis and testing of monolithic poly(styrene-divinylbenzene) stationary phases in PEEK tubing”
Piia Liigand, Master’s Degree, 2015, “Expanding the electrospray ionization efficiency scale in positive and negative mode ESI”
Jaanus Liigand, Master’s Degree, 2015, “Electrospray ionisation efficiency scales: mobile phase effects and transferability”
Vahur Toss, Master’s Degree, 2013, “Evaluation and solving of crucial problems in glyphosate groundwater analysis with SPE HPLC/ESI/MS”
Kristo Kleemann, Master’s Degree, 2013, “Ionization efficiency changes in electrospray ionization source on the example of amines”
Kristel Ets, Master’s Degree, 2013, “Studying ESI ionization efficiency on different mass spectrometers”
Karin Kipper, Doctor’s Degree, 2012, “Fluoroalcohols as components of LC-ESI-MS eluents: usage and applications”
Riin Rebane, Doctor’s Degree, 2012, “Advanced method development strategy for derivatization LC/ESI/MS”
Hanno Evard, Master’s Degree, 2012, “Study of paperspray ionization and its possible applications”
Asko Laaniste, Master’s Degree, 2012, “Development of polymethacrylate monolithic columns for HPLC”
Anneli Kruve, Doctor’s Degree, 2011, “Matrix effects in liquid-chromatography electrospray mass-spectrometry”
Erik Berlin, Master’s Degree, 2011, “Stability testing of nitrocellulose based propellants using stabilizer depletion”
Gert Suurkuusk, Master’s Degree, 2010, “Validation of the gas chromatographic method for THC, CBD and CBN determination”
Ragne Auling, Master’s Degree, 2009, “Development of LC-MS method for determination of glyphosate residue in wheat”
Riin Rebane, Master’s Degree, 2008, “Determination of amino acid content of honey by HPLC – method development and analysis of results”
Allan Künnapas, Master’s Degree, 2007, “Comparison of sample preparation methods for LC-MS pesticide residues analysis”
Anneli Kruve, Master’s Degree, 2007, “Matrix effects in LC/ESI/MS analysis of pesticide residues. Comparison of sample preparation methods”
Kadi Künnapas, Master’s Degree, 2007, “Liquid chromatographic determination of Sudan dyes I – IV”
Acid-base studies
Andre Leesment, Doctor’s Degree, 2023, “Quantitative studies of Brønsted acidity in biphasic systems and gas-phase”
Elisabeth Parman, Master’s Degree, 2020, “Determination of pKa values of fluorocompounds in acetonitrile using 19F NMR”
Sofja Tšepelevitš, Doctor’s Degree, 2018, “Experimental studies and modeling of solute-solvent interactions”
Märt Lõkov, Doctor’s Degree, 2018, “Basicity of some nitrogen, phosphorus and carbon bases in acetonitrile”
Andre Leesment, Master’s Degree, 2018, “Gas phase acidity measurements of superacids using FT-ICR method”
Agnes Heering, Doctor’s Degree, 2017, “Experimental realization and applications of the unified acidity scale”
Karl Kaupmees, Doctor’s Degree, 2014, “Acidity and basicity in non-aqueous media: importance of solvent properties and purity”
Sofja Tšepelevitš, Master’s Degree, 2014, “Extraction prediction model”
Märt Lõkov, Master’s Degree, 2014, “The Basicities of Representatives of Some Compound Families in Acetonitrile”
Agnes Suu, Master’s Degree, 2013, “Experimental realization of unified acidity scale”
Lauri Lipping, Doctor’s Degree, 2011, “The acidity of strong and superstrong Brönsted acids, an outreach for the “limits of growth”: a quantum chemical study”
Agnes Kütt, Doctor’s Degree, 2008, “Studies of Acid-Base Equilibria in non-Aqueous Media”
Eva-Ingrid Rõõm, Doctor’s Degree, 2007, “Acid-Base Equilibria in Nonpolar Media“
Cultural Heritage Objects and Archemy
Shidong Chen, Doctor’s Degree, 2023, “Unravelling prehistoric plant exploitation in eastern Baltic: organic residue analysis of plant-based materials by multi-method approach”
Eliise Tammekivi, Doctor’s Degree, 2021, “Derivatization and quantitative gas-chromatographic analysis of oils”
Peep Põdder, Master’s Degree, 2021, “Assessment of the suitability of normal phase liquid chromatography and mass spectrometry hybrid system for analysis of materials related to pine resin”
Pilleriin Peets, Doctor’s Degree, 2020, “Development of instrumental methods for the analysis of textile fibres and dyes”
Markus Veinla, Master’s Degree, 2019, “Development of an HPLC and FT-ICR-MS tandem-instrument for the analysis of complex natural materials”
Anu Teearu, Doctor’s Degree, 2017, “Development of MALDI-FT-ICR-MS methodology for the analysis of resinous materials”
Liisa Eero, Master’s Degree, 2017, “Quantitative analysis of paper using ATR-FT-IR Spectroscopic Method”
Eliise Tammekivi, Master’s Degree, 2017, “Determination of binding material in oil paints using GC-MS method”
Pilleriin Peets, Master’s Degree, 2016, “Method development for textile dye analysis on the example of red dyes”
Philippa Alice Hayes, Master’s Degree, 2013, “ATR-FT-IR and multivariate analysis of paints and coating materials”
Signe Vahur, Doctor’s Degree, 2010, “Expanding the possibilities of ATR-FT-IR spectroscopy in determination of inorganic pigments”
Anu Teearu, Master’s Degree, 2009, “Investigation of pigments with ATR-FTIR spectroscopy”
Supramolecular Analytical Chemistry
Alo Rüütel, Doctor’s Degree, 2022, “Design principles of synthetic molecular receptors for anion-selective electrodes”
Astrid Darnell, Doctor’s Degree, 2020, “Computational design of anion receptors and evaluation of host-guest binding”
Sigrid Selberg, Doctor’s Degree, 2019, “Synthesis and properties of lipophilic phosphazene-based indicator molecules”
Alo Rüütel, Master’s Degree, 2018, “Synthesis of bambusuril macrocycles and investigation of their binding properties”
Kristjan Haav, Doctor’s Degree, 2017, “Quantitative relative equilibrium constant measurements in supramolecular chemistry”
Juuli Nõges, Master’s Degree, 2016, “Differentiation of similar receptor-anion binding affinities using an NMR-based method”
Sandip A. Kadam, Doctor’s Degree, 2015, “Anion receptors: synthesis and accurate binding measurements”
Sigrid Selberg, Master’s Degree, 2015, “Novel lipophilic pH indicator molecules based on iminophosphoranes”
Astrid Pung, Master’s Degree, 2014, “Computational estimation of receptor-anion binding in solution”
Kerli Martin, Master’s Degree, 2014, “Building binding scales of simple carboxylate anions by synthetic receptors“
Metrology and Quality Assurance in Chemistry
Kodjovi Hippolyte-Fayol Toulassi, Master’s Degree, 2019, “Software tool for validation of chromatographic analytical method”
Hanno Evard, Doctor’s Degree, 2016, “Estimating limit of detection for mass spectrometric analysis methods”
Martin Vels, Master’s Degree, 2013, “Software tool for validation of analytical HPLC procedures“
Other defended theses
Helen Sepman, Master’s Degree, 2021, “Investigation of fluorescent reactions in charged droplets for reaction kinetics monitoring”
Marta-Lisette Pikma, Master’s Degree, 2021, “Synthesis of novel organophosphorus compounds”
Naila Nasirova, Master’s Degree, 2021, “Signal upscaling with the sequential addition of reagents for enhancement of detection sensitivity”
Manju Kasaju, Master’s Degree, 2021, “Effect of soil sample preparation on fatty acid biomarker content”
Aleihela Yamannalage Ayesh Piyara Wipulasena, Master’s Degree, 2021, “Development of a high-throughput method for soil fatty acid derivatization and analysis”
Mari Kass, Master’s Degree, 2020, “Developing a Method for the Separation of Europium from a Mixture of Sm-Eu-Gd”