Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

L. Virkki · SciRah

Researcher profile · Semantic Scholar

L. Virkki

Share profile

L. Virkki — researcher profile on SciRah

h-index: 31
Works: 65
Citations: 2,871

Most-cited papers

Systematic Review and Meta-Analysis of the Efficacy and Safety of Existing TNF Blocking Agents in Treatment of Rheumatoid Arthritis
K. Aaltonen, L. Virkki, A. Malmivaara, Y. Konttinen +2 more
2012PLoS ONE290 citations Open access
Semantic Scholar
In situ production and analysis of Weissella confusa dextran in wheat sourdough.
K. Katina, N. Maina, R. Juvonen, L. Flander +4 more
2009Food microbiology252 citations
Semantic Scholar
NMR spectroscopic analysis of exopolysaccharides produced by Leuconostoc citreum and Weissella confusa.
N. Maina, M. Tenkanen, H. Maaheimo, R. Juvonen +1 more
2008Carbohydrate Research199 citations
Semantic Scholar
Preparation of arabinoxylobiose from rye xylan using family 10 Aspergillus aculeatus endo-1,4-β-D-xylanase
Helena Rantanen, L. Virkki, P. Tuomainen, M. Kabel +2 more
2007121 citations Open access
Semantic Scholar
The effect of phytic acid and some natural chelating agents on the solubility of mineral elements in oat bran
Päivi Ekholm, L. Virkki, Maija Ylinen, L. Johansson
2003113 citations
Semantic Scholar
Structural characterization of water soluble β-glucan of oat bran.
L. Johansson, L. Virkki, S. Maunu, Marty T. Lehto +2 more
2000108 citations
Semantic Scholar
Structural analysis of water-soluble and -insoluble β-glucans of whole-grain oats and barley
L. Johansson, P. Tuomainen, Maija Ylinen, Päivi Ekholm +1 more
2004106 citations
Semantic Scholar
Comprehensive multidetector HPSEC study on solution properties of cereal arabinoxylans in aqueous and DMSO solutions.
L. Pitkänen, L. Virkki, M. Tenkanen, P. Tuomainen
2009Biomacromolecules94 citations Open access
Semantic Scholar
Hydrolysis of -glucan
L. Johansson, L. Virkki, H. Anttila, Heli Esselström +2 more
200694 citations
Semantic Scholar
Rates of Serious Infections and Malignancies Among Patients with Rheumatoid Arthritis Receiving Either Tumor Necrosis Factor Inhibitor or Rituximab Therapy
K. Aaltonen, J. Joensuu, L. Virkki, T. Sokka +10 more
2015Journal of Rheumatology86 citations Open access
Semantic Scholar
The impact of fermentation with exopolysaccharide producing lactic acid bacteria on rheological, chemical and sensory properties of pureed carrots (Daucus carota L.).
R. Juvonen, Kaisu Honkapää, N. Maina, Qiao Shi +5 more
2015Journal of food microbiology85 citations
Semantic Scholar
Structural characterization of water-insoluble nonstarchy polysaccharides of oats and barley
L. Virkki, L. Johansson, Maija Ylinen, S. Maunu +1 more
200577 citations
Semantic Scholar
Structural analysis of enzyme-resistant isomaltooligosaccharides reveals the elongation of α-(1→3)-linked branches in Weissella confusa dextran.
N. Maina, L. Virkki, H. Pynnonen, H. Maaheimo +1 more
2011Biomacromolecules61 citations
Semantic Scholar
Outcomes of switching anti-TNF drugs in rheumatoid arthritis—a study based on observational data from the Finnish Register of Biological Treatment (ROB-FIN)
L. Virkki, H. Valleala, Y. Takakubo, J. Vuotila +11 more
2011Clinical Rheumatology58 citations
Semantic Scholar
Androgen Deficiency and Defective Intracrine Processing of Dehydroepiandrosterone in Salivary Glands in Sjögren’s Syndrome
P. Porola, L. Virkki, B. Przybyla, M. Laine +3 more
2008Journal of Rheumatology58 citations Open access
Semantic Scholar
Effect of processing on the extractability of oat β-glucan
L. Johansson, P. Tuomainen, H. Anttila, H. Rita +1 more
200758 citations
Semantic Scholar
O-acetylation of glucuronoxylan in Arabidopsis thaliana wild type and its change in xylan biosynthesis mutants.
Sun-Li Chong, L. Virkki, H. Maaheimo, Minna Juvonen +7 more
2014Glycobiology55 citations
Semantic Scholar
Step-wise enzymatic preparation and structural characterization of singly and doubly substituted arabinoxylo-oligosaccharides with non-reducing end terminal branches.
Helena Pastell, P. Tuomainen, L. Virkki, M. Tenkanen
2008Carbohydrate Research55 citations
Semantic Scholar
Alkylation products of DNA bases by simple epoxides.
Kari Hemminki, J. Paasiv́irta, T. Kurkirinne, L. Virkki
1980Chemico-Biological Interactions54 citations
Semantic Scholar
Dehydroepiandrosterone (DHEA) substitution treatment for severe fatigue in DHEA‐deficient patients with primary Sjögren's Syndrome
L. Virkki, P. Porola, H. Forsblad-d'Elia, S. Valtýsdóttir +2 more
2010Arthritis care & research51 citations
Semantic Scholar
Presence of 1-->3-linked 2-O-beta-d-xylopyranosyl-alpha-l-arabinofuranosyl side chains in cereal arabinoxylans.
Helena Pastell, L. Virkki, Essi Harju, P. Tuomainen +1 more
2009Carbohydrate Research48 citations
Semantic Scholar
Challenges in analysis of high-molar mass dextrans: comparison of HPSEC, AsFlFFF and DOSY NMR spectroscopy.
N. Maina, L. Pitkänen, S. Heikkinen, P. Tuomainen +2 more
2014Carbohydrate Polymers47 citations
Semantic Scholar
Do biologic drugs affect the need for and outcome of joint replacements in patients with rheumatoid arthritis? A register-based study.
K. Aaltonen, L. Virkki, E. Jämsen, T. Sokka +8 more
2013Seminars in Arthritis & Rheumatism46 citations
Semantic Scholar
The Influence of Sex Steroids on Sjögren's Syndrome
P. Porola, M. Laine, L. Virkki, Praseet Poduval +1 more
2007Annals of the New York Academy of Sciences45 citations
Semantic Scholar
New enzyme-based method for analysis of water-soluble wheat arabinoxylans.
L. Virkki, H. N. Maina, L. Johansson, M. Tenkanen
2008Carbohydrate Research42 citations
Semantic Scholar
Effects of Natural Chelating Agents on the Solubility of Some Physiologically Important Mineral Elements in Oat Bran and Oat Flakes
Päivi Ekholm, L. Virkki, Maija Ylinen, L. Johansson +1 more
200038 citations
Semantic Scholar
Substituent-specific antibody against glucuronoxylan reveals close association of glucuronic acid and acetyl substituents and distinct labeling patterns in tree species
S. Koutaniemi, F. Guillon, O. Tranquet, B. Bouchet +6 more
2012Planta37 citations
Semantic Scholar
Molecular characterization and solution properties of enzymatically tailored arabinoxylans.
L. Pitkänen, P. Tuomainen, L. Virkki, M. Tenkanen
2011International Journal of Biological Macromolecules37 citations
Semantic Scholar
Quantitation of 4-O-methylglucuronic acid from plant cell walls.
Sun-Li Chong, S. Koutaniemi, L. Virkki, H. Pynnonen +2 more
2013Carbohydrate Polymers35 citations
Semantic Scholar
High-performance liquid chromatographic study of dissolved organic matter in natural waters
J. Knuutinen, L. Virkki, P. Mannila, P. Mikkelson +2 more
198835 citations
Semantic Scholar
Structural comparison of arabinoxylans from two barley side-stream fractions.
L. Pitkänen, P. Tuomainen, L. Virkki, V. Aseyev +1 more
2008Journal of Agricultural and Food Chemistry32 citations
Semantic Scholar
Lactose- and cellobiose-derived branched trisaccharides and a sucrose-containing trisaccharide produced by acceptor reactions of Weissella confusa dextransucrase.
Qiao Shi, Minna Juvonen, Yaxi Hou, I. Kajala +5 more
2016Food Chemistry30 citations
Semantic Scholar
Structural analysis of linear mixed-linkage glucooligosaccharides by tandem mass spectrometry.
N. Maina, Minna Juvonen, Rosário M. Domingues, L. Virkki +2 more
2013Food Chemistry28 citations
Semantic Scholar
Biological Therapy for Psoriatic Arthritis in Clinical Practice: Outcomes Up to 2 Years
L. Virkki, Bindu C Sumathikutty, M. Aarnio, H. Valleala +11 more
2010Journal of Rheumatology23 citations Open access
Semantic Scholar
Comparison of the solution properties of (1→3),(1→4)-β-d-glucans extracted from oats and barley
L. Johansson, Mikko Karesoja, Päivi Ekholm, L. Virkki +1 more
200823 citations
Semantic Scholar
Cost-effectiveness of infliximab in the treatment of rheumatoid arthritis in clinical practice.
L. Virkki, Y. Konttinen, Ritva Peltomaa, Katariina Suontama +9 more
2008Clinical and Experimental Rheumatology20 citations
Semantic Scholar
Bovine chronic osteoarthritis causes minimal change in synovial fluid.
T. Heinola, J. D. de Grauw, L. Virkki, A. Kontinen +3 more
2013Journal of Comparative Pathology19 citations
Semantic Scholar
Failure of oral DHEA treatment to increase local salivary androgen outputs of female patients with Sjögren's syndrome
P. Porola, R. H. Straub, L. Virkki, Y. Konttinen +1 more
2011Scandinavian Journal of Rheumatology19 citations
Semantic Scholar
Synthesis, gas chromatographic separation and structure determination of chlorinated 2-phenoxyphenols
J. Knuutinen, J. Salovaara, J. Tarhanen, J. Paasiv́irta +5 more
198319 citations
Semantic Scholar
Pyrolysis products of PCBs.
J. Paasiv́irta, Rainer Herzschuh, T. Humppi, E. Kantolahti +6 more
1985Environmental Health Perspectives18 citations Open access
Semantic Scholar
Lignin and organic chlorine compounds in lake water and the role of the chlorobleaching effluents
J. Paasiv́irta, J. Knuutinen, M. Knuutila, Paula Maatela +4 more
198817 citations
Semantic Scholar
Gas chromatographic-mass spectrometric analysis of chlorinated phenoxyphenols in the technical chlorophenol formulation ky-5′☆
T. Humppi, R. Laitinen, E. Kantolahti, J. Knuutinen +4 more
198417 citations
Semantic Scholar
Correction of chronic lunotriquetral instability using extensor retinacular split: a retrospective study of 26 patients.
I. Antti-Poika, Jukka Hyrkäs, L. Virkki, D. Ogino +1 more
2007Acta orthopaedica Belgica16 citations
Semantic Scholar
Role and regulation of VEGF and its receptors 1 and 2 in the aseptic loosening of total hip implants
V. Waris, T. Sillat, E. Waris, L. Virkki +3 more
2012Journal of Orthopaedic Research14 citations Open access
Semantic Scholar
Characterization of Chlorolignins Compared with Humic Substances Using 13C and 1H NMR and IR Spectroscopy
L. Virkki
199213 citations
Semantic Scholar
New operative technique for treatment of arthroscopically–confirmed injury to the scapholunate ligament by volar capsuloplasty augmented with a free tendon graft
Jukka Hyrkäs, I. Antti-Poika, L. Virkki, D. Ogino +1 more
2008Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery12 citations
Semantic Scholar
Synthesis and structure verification of chlorinated 4-Methoxyphenols, models of metabolites of chlorophenolic compounds
J. Knuutinen, P. Autio, P. Klein, S. Kivelä +2 more
198810 citations
Semantic Scholar
Diminished salivary epidermal growth factor secretion: a link between Sjögren’s syndrome and autoimmune gastritis?
K. Koskenpato, Mari Ainola, Beata Przybyla, V. Kouri +4 more
2016Scandinavian Journal of Rheumatology9 citations
Semantic Scholar
[Biological therapy in rheumatoid arthritis based on ten years of registry surveillance in Finland].
L. Virkki, K. Aaltonen, D. Nordström
2010Duodecim lääketieteellinen aikakauskirja9 citations
Semantic Scholar
Neurobiology and Hormonal Control of Lacrimal and Salivary Gland Function
Y. Konttinen, Alberto Vivó Porcar, P. Porola, K. Koskenpato +6 more
20118 citations
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

M. Tenkanen×17
Invite
M. Tenkanen — researcher profile on SciRah
P. Tuomainen×13
Invite
P. Tuomainen — researcher profile on SciRah
Y. Konttinen×10
Invite
Y. Konttinen — researcher profile on SciRah
L. Johansson×10
Invite
L. Johansson — researcher profile on SciRah

×8

Invite

D. Nordström — researcher profile on SciRah

Invite

N. Maina — researcher profile on SciRah

J. Paasiv́irta×6

Invite

J. Paasiv́irta — researcher profile on SciRah

J. Knuutinen×6

Invite

J. Knuutinen — researcher profile on SciRah

Invite

H. Maaheimo — researcher profile on SciRah

Päivi Ekholm×5

Invite

Päivi Ekholm — researcher profile on SciRah

Invite

P. Porola — researcher profile on SciRah

Y. Konttinen×5

Invite

Y. Konttinen — researcher profile on SciRah