Capillary electrophoresis time-of-flight mass spectrometry for comparative metabolomics of transgenic versus conventional maizeLevandi, Tuuli; Leon, Carlos; Kaljurand, Mihkel; Garcia-Ganas, Virginia; Cifuentes, AlejandroAnalytical chemistry2008 / 16, p. 6329-6335 : ill

Characterization of yew tree (Taxus) varieties by fingerprint and principal component analysesTruus, Kalle; Vaher, Merike; Borissova, Maria; Robal, Marju; Levandi, Tuuli; Tuvikene, Rando; Toomik, Peeter; Kaljurand, MihkelNatural product communications2012 / p. 1143-1146 : ill

Characterization of yew tree (Taxus) varieties by fingerprint and principal component analysesTruus, Kalle; Vaher, Merike; Borissova, Maria; Robal, Marju; Levandi, Tuuli; Tuvikene, Rando; Toomik, Peeter; Kaljurand, MihkelNatural product communications2012 / p. 1143-1146

Comparative determination of microelements in Baltic seawater and brown algae samples by atomic absorption spectrometric and inductively coupled plasma methodsTruus, Kalle; Viitak, Anu; Vaher, Merike; Muinasmaa, Urmas; Paasrand, Keddy; Tuvikene, Rando; Levandi, TuuliProceedings of the Estonian Academy of Sciences. Chemistry2007 / 3, p. 122-133 : ill

Comparative study of cereal varieties by analytical separation methods and chemometrics = Teraviljasortide võrdlev uurimus analüütiliste lahutusmeetodite ja kemomeetria abilLevandi, Tuuli2013 https://digi.lib.ttu.ee/i/?899 https://www.ester.ee/record=b2948245*est

Comparison of the composition of phenolic acids and antioxidativity of different wheat varietiesMatso, Kersti; Levandi, Tuuli; Helmja, Kati; Vaher, MerikeNoSSS2009 : 5th Conference on Separation and Related Techniques by Nordic Separation Science Society : 26-29 August, 2009, Tallinn University of Technology, Estonia : abstract book and program2009 / p. 116

Determination of metallic and non-metallic elements in coastal seawater and in algal biomass by atomic absorption spectrometry using colloidal palladium modifierViitak, Anu; Volynsky, Anatoly B.; Truus, Kalle; Vaher, Merike; Levandi, Tuuli4th International Conference, Instrumental Methods of Analysis Modern Trends and Applications2005 / p. 371

Eesti rannikumere pruunvetikad indikaatorina Läänemere toksiliste elementide reostuse hindamiselLevandi, Tuuli; Viitak, Anu; Truus, Kalle; Paasrand, Keddy; Tuvikene, Rando; Vaher, MerikeXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 56-57

Fenoolsete ühendite sisaldus ja antioksüdatiivsus erinevates nisusortides ja nisutera fraktsioonidesMatso, Kersti; Vaher, Merike; Helmja, Kati; Levandi, Tuuli; Kaljurand, MihkelXXXI Eesti keemiapäevad : [28. aprill 2010, Tallinn] : teaduskonverentsi teesid = 31st Estonian Chemistry Days : abstracts of scientific conference2010 / lk. 56

Kuidas hinnata GMOde mõju inimestele ja loodusele = Как оценивать влияние ГМО на человека и природу2008 http://www.ester.ee/record=b2464450*est

Oxidation products of free polyunsaturated fatty acids in wheat varietiesLevandi, Tuuli; Püssa, Tõnu; Vaher, Merike; Toomik, Peeter; Kaljurand, MihkelEuropean journal of lipid science and technology2009 / 7, p. 715-722 : ill

Phenolic compounds and the antioxidant activity of the bran, flour and whole grain of different wheat varietiesVaher, Merike; Matso, Kersti; Levandi, Tuuli; Helmja, Kati; Kaljurand, MihkelProcedia chemistry2010 / p. 76-82 : ill https://www.sciencedirect.com/science/article/pii/S1876619609004094

Principal component analysis of HPLC-MS/MS patterns of wheat (Triticum aestivum) varietiesLevandi, Tuuli; Püssa, Tõnu; Vaher, Merike; Ingver, Anne; Koppel, Reine; Kaljurand, MihkelProceedings of the Estonian Academy of Sciences2014 / p. 86-92 : ill https://artiklid.elnet.ee/record=b2665228*est

Seleeni, vase ja tsingi sisalduse määramine eestlaste vereseerumisNeps, Triin; Viitak, Anu; Levandi, Tuuli; Pruus, K.; Lanno, Riin; Kantola, M.XXX Eesti keemiapäevad : teaduskonverentsi teesid = 30th Estonian Chemistry Days : abstracts of scientific conference2007 / lk. 102-103

A study of primary oxidation products of free polyunsaturated fatty acids in wheat varietiesVaher, Merike; Levandi, Tuuli; Püssa, Tõnu; Toomik, Peeter; Kaljurand, MihkelProceedings of World Congress on Oils and Fats & 28th ISF Congress : Sydney, Australia, 27-30 September2009 / ? p

Uncertainty of road traffic safety measurementsKulderknup, Edi; Riim, Jürgen; Levandi, TuuliXIX IMEKO World Congress : 06-11.09.2009, Lisbon, Portugal : procedings2009 / p. 1439-1442

Variation in the composition of the essential oils, phenolic compounds and mineral elements of Hypericum perforatum L. growing in EstoniaHelmja, Kati; Vaher, Merike; Püssa, Tõnu; Orav, Anne; Viitak, Anu; Levandi, Tuuli; Kaljurand, MihkelNatural product research2011 / p. 496-510