Concepedia

Author

Kati Helmja

Tallinn University of Technology

Also Known As

K. Helmja, Kati Helmja, Marina Kudrjashova, Merike Vaher

13

Publications

528

Citations

10

H-Index

24

Concepts

All Affiliations

Tallinn University of TechnologyEstonian University of Life Sciences
KH

About

Kati Helmja is an author at Tallinn University of Technology specializing in chromatography, analytical chemistry, and medicine.

Top Concepts

#ConceptH-IndexPublicationsCitations

1

Medicine

4

4

132

2

Engineering

2

2

32

3

Health Sciences

1

1

216

4

Natural Sciences

1

1

21

5

Biochemistry

1

1

48

Kati Helmja

×

9

Publications

469

Citations

9

H-Index

YearCitations

Phenolic compounds and the antioxidant activity of the bran, flour and whole grain of different wheat varieties

Merike Vaher, Kersti Matso, Tuuli Levandi,

Procedia Chemistry

2010

216

Bioactive components of the hop strobilus: Comparison of different extraction methods by capillary electrophoretic and chromatographic methods

Kati Helmja, Merike Vaher, Tõnu Püssa,

Journal of Chromatography A

2006

48

Analysis of the stable free radical scavenging capability of artificial polyphenol mixtures and plant extracts by capillary electrophoresis and liquid chromatography–diode array detection–tandem mass spectrometry

Kati Helmja, Merike Vaher, Tõnu Püssa,

Journal of Chromatography A

2009

46

Evaluation of antioxidative capability of the tomato (<i>Solanum lycopersicum)</i> skin constituents by capillary electrophoresis and high‐performance liquid chromatography

Kati Helmja, Merike Vaher, Tõnu Püssa,

Electrophoresis

2008

45

Enantioselective CE analysis of hepatic ketamine metabolism in different species <i>in vitro</i>

Andrea Schmitz, Wolfgang Thormann, Lone Moessner,

Electrophoresis

2010

38

Variation in the composition of the essential oils, phenolic compounds and mineral elements of<i>Hypericum perforatum</i>L. growing in Estonia

Kati Helmja, Merike Vaher, Tõnu Püssa,

Natural Product Research

2011

23

Fraction collection in capillary electrophoresis for various stand-alone mass spectrometers

Kati Helmja, Maria Borissova, Tatjana Knjazeva,

Journal of Chromatography A

2008

21

Fermentation reactor coupled with capillary electrophoresis for on-line bioprocess monitoring

H. Tahkoniemi, Kati Helmja, Anne Menert,

Journal of Pharmaceutical and Biomedical Analysis

2006

17

Capillary electrophoretic monitoring of hydrothermal pre-treatment and enzymatic hydrolysis of willow: Comparison with HPLC and NMR

Merike Vaher, Kati Helmja, Andres Käsper,

Catalysis Today

2012

15

Page 1