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Teijo Yrjönen

19982018
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Publications 1998 2018

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2018

Optimization of Thin-layer Chromatography and High-Performance Liquid Chromatographic Method for Piper guineense Extracts

Mgbeahuruike, E. E., Vuorela, H., Yrjönen, T. & Holm, Y., Jan 2018, In : Natural Product Communications. 13, 1, p. 25-28 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2017

Direct analysis of Peucedanum palustre samples by desorption atmospheric pressure photoionization-mass spectrometry

Yrjönen, T., Vuorela, H. & Kauppila, T. J., Jun 2017, In : Phytochemistry Letters. 20, p. 49-53 5 p.

Research output: Contribution to journalArticleScientificpeer-review

2016

Profiling of Coumarins in Peucedanum palustre (L.) Moench Populations Growing in Finland

Yrjönen, T., Eeva, M., Kauppila, T. J., Martiskainen, O., Summanen, J., Vuorela, P. & Vuorela, H., Jun 2016, In : Chemistry & Biodiversity. 13, 6, p. 700-709 10 p.

Research output: Contribution to journalArticleScientificpeer-review

2015

Analysis of indole alkaloids from Rhazya stricta hairy roots by ultra-performance liquid chromatography-mass spectrometry

Akhgari, A., Laakso, I., Seppänen-Laakso, T., Yrjönen, T., Vuorela, H., Oksman-Caldentey, K-M. & Rischer, H., 18 Dec 2015, In : Molecules. 20, 12, p. 22621-22634 14 p.

Research output: Contribution to journalArticleScientificpeer-review

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Bioluminescent whole-cell reporter gene assays as screening tools in the identification of antimicrobial natural product extracts

Nybond, S. C. S., Karp, M., Yrjönen, T. J. & Tammela, P. S. M., May 2015, In : Journal of Microbiological Methods. 114, p. 54-56 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Determination of terpenoid indole alkaloids in hairy roots of Rhazya stricta (Apocynaceae) by GC-MS

Akhgari, A., Laakso, I., Seppanen-Laakso, T., Yrjönen, T., Vuorela, H., Oksman-Caldentey, K-M. & Rischer, H., 2015, In : Phytochemical Analysis. 26, 5, p. 331-338 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Dibenzocyclooctadiene lignans from Schisandra spp. selectively inhibit the growth of the intracellular bacteria Chlamydia pneumoniae and Chlamydia trachomatis

Hakala, E., Hanski, L., Uvell, H., Yrjönen, T., Vuorela, H., Elofsson, M. & Vuorela, P. M., Oct 2015, In : Journal of Antibiotics. 68, 10, p. 609-614 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Establishment of transgenic Rhazya stricta hairy roots to modulate terpenoid indole alkaloid production

Akhgari, A., Yrjönen, T., Laakso, I., Vuorela, H., Oksman-Caldentey, K-M. & Rischer, H., Nov 2015, In : Plant Cell Reports. 34, 11, p. 1939-1952 14 p.

Research output: Contribution to journalArticleScientificpeer-review

The lignan-containing extract of Schisandra chinensis berries Inhibits the growth of Chlamydia pneumoniae

Hakala, E., Hanski, L. L., Yrjönen, T., Vuorela, H. J. & Vuorela, P. M., Jun 2015, In : Natural Product Communications. 10, 6, p. 1001-1004 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2003

Comparison of medium pressure solid-liquid extraction and rotation planar extraction of Ficus leaves with reference to optimum operating parameters

Yrjonen, T., Vovk, I., Simonovska, B., Mousa, O., Hiltunen, R., Vuorela, H. & Vuorela, P., 2003, In : Journal of Liquid Chromatography & Related Technologies. 26, 19, p. 3289-3305 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Effects of microcrystalline plant sterol suspension and a powdered plant sterol supplement on hypercholesterolemia in genetically obese Zucker rats

Summanen, J., Yrjonen, T., Christiansen, L., Mervaala, E., Vaskonen, T., Lassila, M., Ahotupa, M., Yliruusi, J., Karppanen, H. & Hiltunen, R., 2003, In : Journal of Pharmacy and Pharmacology. 55, 12, p. 1673-1679 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Free radical-scavenging activity of phenolics by reversed-phase TLC

Yrjonen, T., Li, P. W., Summanen, J., Hopia, A. & Vuorela, H., 2003, In : Journal of the American Oil Chemists' Society. 80, 1, p. 9-14 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Rotation planar extraction and medium-pressure solid-liquid extraction of onion (Allium cepa)

Vovk, I., Simonovska, B., Andrensek, S., Yrjonen, T., Vuorela, P. & Vuorela, H., 2003, In : Journal of Planar Chromatography - Modern TLC. 16, 1, p. 66-70 5 p.

Research output: Contribution to journalArticleScientificpeer-review

2002

Application of centrifugal force to the extraction and separation of parasorboside and gerberin from Gerbera hybrida

Yrjönen, T., Vuorela, P., Klika, K. D., Pihlaja, K., Teeri, T. H. & Vuorela, H., 2002, In : Phytochemical Analysis. 13, 6, p. 349-353

Research output: Contribution to journalArticleScientificpeer-review

2001

Rapid screening of indole-3-acetic acid and other indole derivatives in bacterial culture broths by planar chromatography

Yrjonen, T., Haansuu, J. P., Haahtela, K., Vuorela, H. & Vuorela, P., 2001, In : Journal of Planar Chromatography - Modern TLC. 14, 1, p. 47-52 6 p.

Research output: Contribution to journalArticleScientificpeer-review

1999

Optimization of separation in TLC by use of desirability functions and mixture designs according to the 'PRISMA' method

Pelander, A., Summanen, J., Yrjonen, T., Haario, H., Ojanpera, I. & Vuorela, H., 1999, In : Journal of Planar Chromatography - Modern TLC. 12, 5, p. 365-372 8 p.

Research output: Contribution to journalArticleScientificpeer-review

1998

Influence of densitometer and video-documentation settings in the detection of plant phenolics by TLC

Summanen, J., Yrjonen, T., Hiltunen, R. & Vuorela, H., 1998, In : Journal of Planar Chromatography - Modern TLC. 11, 6, p. 421-427 7 p.

Research output: Contribution to journalArticleScientificpeer-review