• Extraction and analysis of bioactive compounds from Dipsacus fullonum and Galium verum for Lyme borreliosis treatmentKuhtinskaja, Maria; Vaher, MerikeBiomedical journal of scientific & technical research2018 / p. 8614-8616 : ill http://doi.org/10.26717/BJSTR.2018.11.002121
• Extraction of bioactive compounds from Catharanthus roseus and Vinca minorKoel, Mihkel; Kuhtinskaja, Maria; Vaher, MerikeSeparation and purification technology2020 / art. 117438 ; 5 p. : ill https://doi.org/10.1016/j.seppur.2020.117438 https://www.scopus.com/sourceid/14292 https://www.scopus.com/record/display.uri?eid=2-s2.0-85089094918&origin=inward&txGid=2f984c62b586743ca444d61b81c7d87e https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SEP%20PURIF%20TECHNOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000565594400007
• Extraction of bioactive compounds from Dipsacus fullonum leaves using deep eutectic solventsSaar-Reismaa, Piret; Koel, Mihkel; Tarto, Riin; Vaher, MerikeJournal of chromatography A2022 / art. 463330 https://doi.org/10.1016/j.chroma.2022.463330 https://www.scopus.com/sourceid/130000 https://www.scopus.com/record/display.uri?eid=2-s2.0-85134845952&origin=inward&txGid=5c7fde0d0d54a8fc2417fe10b67fd11f https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20CHROMATOGR%20A&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000888468100015
• Extraction of total water-soluble alkylresorcinols from the tar water of the Kiviter process with methyl isobutyl ketoneBaerends, E. N.; Grigorieva, Larisa; Ostroukhov, NikolaiSolid fuel chemistry2021 / p. 177−186 https://doi.org/10.3103/S0361521921030046
• Ionic liquids as specific additives in separation methodsKoel, Mihkel; Vaher, Merike20th International Scientific Conference EcoBalt 2016 : Tartu, Estonia, October 9-12 : book of abstracts2016 / p. 35 http://akki.ut.ee/wp-content/uploads/2015/01/Abstracts_Book_EcoBalt_2016.pdf
• Reduction of oil shale lossesValgma, Ingo; Väizene, Vivika; Kolats, Margit; Karu, Veiko; Pastarus, Jüri-Rivaldo; Rahe, Tiit; Iskül, RihoEnvironment. Technology. Resources : proceedings of the 9th International Scientific and Practical Conference. Volume 12013 / p. 201-205 : ill https://www.researchgate.net/publication/259850736_Reduction_of_Oil_Shale_Losses
• Technologies for decreasing mining lossesValgma, Ingo; Väizene, Vivika; Kolats, Margit; Saarnak, MartinScientific journal of Riga Technical University. Environmental and climate technologies2013 / p. 41-47 : ill https://doi.org/10.2478/rtuect-2013-0006 https://www.scopus.com/sourceid/21100232822 https://www.scopus.com/record/display.uri?eid=2-s2.0-84885824782&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.2478%2Frtuect-2013-0006%29
• Use of neoteric solvents in biomass treatmentVaher, Merike; Saar-Reismaa, Piret; Kuhtinskaja, Maria; Koel, MihkelProceedings2023 / art. 39 https://doi.org/10.3390/proceedings2023092039