Analysis of cyclic sulfur mustard degradation products in water samples by HPLC and CELees, Heidi; Avarlaid, Annela; Vaher, Merike; Kaljurand, Mihkel20th International Scientific Conference EcoBalt 2016 : Tartu, Estonia, October 9-12 : book of abstracts2016 / p. 75 : ill http://akki.ut.ee/wp-content/uploads/2015/01/Abstracts_Book_EcoBalt_2016.pdf

Analysis of sulfur mustard hydrolysis and oxidation products in seawater and sediments by capillary electrophoresisLees, Heidi; Jõul, Piia; Vaher, Merike; Kuhtinskaja, Maria; Kaljurand, MihkelScience for the Environment 2015 : Aarhus, Denmark, 1-2 October : [abstracts]2015 / [1] p http://dce-conference.au.dk/abstracts/

Analysis of thiodiglycol and its oxidation products in sediments by capillary electrophoresisLees, Heidi; Vaher, Merike; Kaljurand, MihkelITP2015/NoSSS2015 : final program and book of abstracts2015 / p. P-55

Characterization and enhancement of oil shale fly ash from CFB boilerPikkor, Heliis; Järvik, Oliver; Lees, Heidi; Konist, Alar; Siirde, Andres; Maaten, Birgit6th International Conference on Smart and Sustainable Technologies, SpliTech 20212021 / p. 1-4 https://doi.org/10.23919/SpliTech52315.2021.9566470

Characterization of oil shale kerogen semi-coke and its application to remove chemical pollutants from aqueous solutionsLees, Heidi; Jõul, Piia; Pikkor, Heliis; Järvik, Oliver; Mets, Birgit; Konist, AlarOil shale2023 / p. 115-132 : ill https://doi.org/10.3176/oil.2023.2.02

Chemical analysis of dumped chemical warfare agents during the MODUM projectSöderström, Martin; Östin, Anders; Vaher, Merike; Jõul, Piia; Lees, Heidi; Kaljurand, MihkelTowards the monitoring of dumped munitions threat (MODUM) : a study of chemical munitions dumpsites in the Baltic Sea2018 / p. 71-103 https://doi.org/10.1007/978-94-024-1153-9_4 Article collections at Scopus Article at Scopus Article at WOS

Comparison of the ecotoxic properties of oil shale industry by-products to those of coal ashLees, Heidi; Järvik, Oliver; Konist, Alar; Siirde, Andres; Maaten, BirgitOil shale2022 / p. 1-19 : tab https://doi.org/10.3176/oil.2022.1.01 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Computational results of the ecotoxic analysis of fly and bottom ash from oil shale power plants and shale oil production facilitiesLees, Heidi; Järvik, Oliver; Konist, Alar; Siirde, Andres; Maaten, BirgitChemical engineering transactions2020 / p. 967-972 https://doi.org/0.3303/CET2081162 https://www.scopus.com/record/display.uri?eid=2-s2.0-85092033034&origin=inward&txGid=0c1c7fc07fcc8f2767255413a47fc58b Journal metrics at Scopus Article at Scopus

Current status of co-pyrolysis of oil shale and biomassCeron, Alejandro Lyons; Konist, Alar; Lees, Heidi; Järvik, OliverOil shale2021 / p. 228-263 : tab https://doi.org/10.3176/oil.2021.3.04 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Detection of banned chemicals in various matrices (saliva, sediments) by capillary electrophoresisKaljurand, Mihkel; Mazina, Jekaterina; Saar-Reismaa, Piret; Jõul, Piia; Lees, Heidi; Špiljova, Anastassija; Kulp, Maria; Vaher, MerikeITP2015/NoSSS2015 : final program and book of abstracts2015 / p. L-36

Detection of banned chemicals in various matrices (saliva, sediments) by capillary electrophoresisKaljurand, Mihkel; Mazina-Šinkar, Jekaterina; Saar-Reismaa, Piret; Jõul, Piia; Lees, Heidi; Tretjakova, Anastassia; Kulp, Maria; Vaher, Merike20th International Scientific Conference EcoBalt 2016 : Tartu, Estonia, October 9-12 : book of abstracts2016 / p. 38 http://akki.ut.ee/wp-content/uploads/2015/01/Abstracts_Book_EcoBalt_2016.pdf

Development and comparison of HPLC and MEKC methods for the analysis of cyclic sulfur mustard degradation productsLees, Heidi; Vaher, Merike; Kaljurand, MihkelElectrophoresis2017 / p. 1075-1082 : ill http://dx.doi.org/10.1002/elps.201600418

Development of a capillary electrophoresis method with direct UV detection for the analysis of thiodiglycol and its oxidation productsJõul, Piia; Lees, Heidi; Vaher, Merike; Kobrin, Eeva-Gerda; Kaljurand, Mihkel; Kuhtinskaja, MariaElectrophoresis2015 / p. 1202-1207 : ill http://dx.doi.org/10.1002/elps.201500038

Development of analysis methods to detect the use of explosives and chemical warfare agents = Analüüsimetoodikate arendamine keemiarelva- ja lõhkeainete kasutamise tuvastamiseksLees, Heidi2018 https://digi.lib.ttu.ee/i/?10379

Development of HPLC and MEKC methods for the analysis of sulfur mustard cyclic degradation productsLees, Heidi; Kaljurand, Mihkel; Vaher, Merike40th International Symposium on Capillary Chromatography and 13th GC×GC Symposium : May 29 - June 03, 2016, Riva del Garda Fierecongressi, Riva del Garda, Italy : abstract book2016 / p. 255

Effect of steam activation on oil shale semi-coke surface propertiesPikkor, Heliis; Konist, Alar; Maaten, Birgit; Järvik, Oliver; Lees, HeidiInternational Multidisciplinary Conference on Computer and Energy Science (SpliTech)2021 / 5 p https://doi.org/10.23919/SpliTech52315.2021.9566397

Effect of woody biomass gasification process conditions on the composition of the producer gasLyons Cerón, Alejandro; Konist, Alar; Lees, Heidi; Järvik, OliverSustainability2021 / art. 11763, 17 p. : ill https://doi.org/10.3390/su132111763 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Fingerprinting postblast explosive residues by portable capillary electrophoresis with contactless conductivity detectionKobrin, Eeva-Gerda; Lees, Heidi; Fomitšenko, Maria; Kuban, Petr; Kaljurand, MihkelElectrophoresis2014 / p. 1165-1172 : ill

Heidi Lees ja Piia Jõul. Oht merepõhjas - keemiarelvadLees, Heidi; Jõul, PiiaTeadus kolme minutiga : 2015-20162017 / lk. [60]-63 : ill http://www.ester.ee/record=b4654069*est

Investigation of the adsorption and desorption of sulfur mustard degradation products in sediments by capillary electrophoresis [Online resource]Lees, Heidi; Vaher, Merike; Kaljurand, MihkelCECE 2016 : 13th International Interdisciplinary Meeting on Bioanalysis : October 17-19, 2016, Hotel Continental, Brno, Czech Republic : [proceedings]2016 / p. 182-185 : ill http://www.ce-ce.org/CECE2016/Proceedings%20CECE%202016_WOS.pdf

Preparation and characterization of lignin-derived carbon aerogelsJõul, Piia; Järvik, Oliver; Lees, Heidi; Kallavus, Urve; Koel, Mihkel; Lukk, TiitFrontiers in chemistry2024 / art. 1326454 https://doi.org/10.3389/fchem.2023.1326454

Separation of perfluoroalkyl substances by using nonaqueous capillary electrophoresis with conductivity detectionLees, Heidi; Jõul, Piia; Siilak, Kristel; Vaher, MerikeSeparation science plus2020 / p. 313-320 https://doi.org/10.1002/sscp.202000016 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Simple multispectral imaging approach for determining the transfer of explosive residues in consecutive fingerprintsLees, Heidi; Zapata, Félix; Vaher, Merike; García-Ruiz, CarmenTalanta2018 / p. 437-445 : ill https://doi.org/10.1016/j.talanta.2018.02.079 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Steam activation of oil shale to enhance the porosity of produced semicokePikkor, Heliis; Lees, Heidi; Konist, Alar; Järvik, Oliver; Maaten, BirgitEnergy Sources, Part A : Recovery, Utilization, and Environmental Effects2022 / p. 9064-9073 https://doi.org/10.1080/15567036.2022.2128471 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Study of the adhesion of explosive residues to the finger and transfer to clothing and luggageLees, Heidi; Zapata, Felix; Vaher, Merike; García-Ruiz, CarmenScience & Justice2018 / p. 415-424 https://doi.org/10.1016/j.scijus.2018.07.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Surface area of oil shale and its solid pyrolysis products depending on the particle sizePikkor, Heliis; Maaten, Birgit; Baird, Zachariah Steven; Järvik, Oliver; Konist, Alar; Lees, HeidiChemical engineering transactions2020 / p. 961−966 https://doi.org/0.3303/CET2081161 Journal metrics at Scopus Article at Scopus

Surface characterisation of Estonian oil shale semi-cokePikkor, Heliis; Lees, Heidi; Maaten, Birgit; Järvik, Oliver; Konist, AlarChemical engineering transactions2020 / p. 853-858 : ill https://doi.org/0.3303/CET2081143 Journal metrics at Scopus Article at Scopus