PhD Riku Klén - UTU Research Portal

Riku Klén
PhD

- Associate Professor,
Turku PET Centre (Independent units)

riku.klen@utu.fi

+358 0 231 3048

Kiinamyllynkatu 4-8

Turku

ORCID identifier: https://orcid.org/0000-0002-0982-8360

http://users.utu.fi/ripekl/

Areas of expertise

Medical imaging, imaging instrumentation, machine learning, longitudinal analysis, geometric function theory, hyperbolic type geometries, quasiconformal mappings

Publications

4 of 6

Estimation of optimal number of gates in dual gated F-18-FDG cardiac PET (2020)
- Scientific Reports
Klen R, Teuho J, Noponen T, Thielemans K, Hoppela E, Lehtonen E, Sipilä HT, Teräs M, Knuuti J
(A1 Refereed original research article in a scientific journal)
Evaluation of image quality with four positron emitters and three preclinical PET/CT systems (2020)
- EJNMMI Research
Teuho J, Riehakainen L, Honkaniemi A, Moisio O, Han CL, Tirri M, Liu SH, Grönroos TJ, Liu J, Wan L, Liang X, Ling YQ, Hua YX, Roivainen A, Knuuti J, Xie QG, Teräs M, D'Ascenzo N, Klen R,
(A1 Refereed original research article in a scientific journal)
Likelihood contrasts: a machine learning algorithm for binary classification of longitudinal data (2020)
- Scientific Reports
Riku Klén, Markku Karhunen, Laura L. Elo
(A1 Refereed original research article in a scientific journal)
Magnetic Resonance-Based Attenuation Correction and Scatter Correction in Neurological Positron Emission Tomography/Magnetic Resonance Imaging—Current Status With Emerging Applications (2020)
- Frontiers in Physics
Teuho J, Torrado-Carvajal A, Herzog H, Anazodo U, Klén R, Iida H, Teräs M
(A2 Refereed review article in a scientific journal )
Posterior approach, fracture diagnosis, and American Society of Anesthesiology class III-IV are associated with increased risk of revision for dislocation after total hip arthroplasty: An analysis of 33,337 operations from the Finnish Arthroplasty Register (2020)
- Scandinavian Journal of Surgery
V. J. Panula , E. M. Ekman , M. S. Venäläinen, I. Laaksonen, R. Klén, J. J. Haapakoski, A. P. Eskelinen, L. L. Elo, Keijo T. Mäkelä
(A1 Refereed original research article in a scientific journal)
Predicting Skeletal Muscle and Whole-Body Insulin Sensitivity Using NMR-Metabolomic Profiling (2020)
- Journal of the Endocrine Society
Klén R, Honka MJ, Hannukainen JC, Huovinen V, Bucci M, Latva-Rasku A, Venäläinen MS, Kalliokoski KK, Virtanen KA, Lautamäki R, Iozzo P, Elo LL, Nuutila P
(A1 Refereed original research article in a scientific journal)
A Computational Framework for Data Fusion in MEMS-Based Cardiac and Respiratory Gating (2019)
- Sensors
Mojtaba Jafari Tadi, Eero Lehtonen, Jarmo Teuho, Juho Koskinen, Jussi Schultz, Reetta Siekkinen, Tero Koivisto, Mikko Pänkäälä, Mika Teräs, Riku Klén
(A1 Refereed original research article in a scientific journal)
Adverse Events During Neoadjuvant Chemotherapy for Muscle Invasive Bladder Cancer (2019)
- Bladder Cancer
Salminen Antti P, Montoya Perez Ileana, Klén Riku, Ettala Otto O, Syvänen Kari T, Elo Laura L, Boström Peter J
(A1 Refereed original research article in a scientific journal)
L1TD1 - a prognostic marker for colon cancer (2019)
- BMC Cancer
Deepankar Chakroborty, Maheswara Reddy Emani, Riku Klén, Camilla Böckelman, Jaana Hagström, Caj Haglund, Ari Ristimäki, Riitta Lahesmaa, Laura L. Elo
(A1 Refereed original research article in a scientific journal)
Prediction of complication related death after radical cystectomy for bladder cancer with machine learning methodology (2019)
- Scandinavian Journal of Urology
Klen Riku, Salminen Antti P, Mahmoudian Mehrad, Syvänen KT, Elo Laura L, Boström Peter J
(A1 Refereed original research article in a scientific journal)
A crowdsourced analysis to identify ab initio molecular signatures predictive of susceptibility to viral infection (2018)
- Nature Communications
Slim Fourati, Aarthi Talla, Mehrad Mahmoudian, Joshua G. Burkhart, Riku Klén, Ricardo Henao, Thomas Yu, Zafer Aydın, Ka Yee Yeung, Mehmet Eren Ahsen, Reem Almugbel, Samad Jahandideh, Xiao Liang, Torbjörn E.M. Nordling, Motoki Shiga, Ana Stanescu, Robert Vogel, The Respiratory Viral DREAM Challenge Consortium, Gaurav Pandey, Christopher Chiu, Micah T. McClain, Christopher W. Woods, Geoffrey S. Ginsburg, Laura L. Elo, Ephraim L. Tsalik, Lara M. Mangravite, Solveig K. Sieberts
(A1 Refereed original research article in a scientific journal)
Local convexity of metric balls (2018)
- Monatshefte für Mathematik
Hariri P., Klén R., Vuorinen M.
(A1 Refereed original research article in a scientific journal)
PASI: A novel pathway method to identify delicate group effects (2018)
- PLoS ONE
Maria K. Jaakkola, Aidan J. McGlinchey, Riku Klen, Laura L. Elo
(A1 Refereed original research article in a scientific journal)
Tekonivelen sijoiltaanmenoon myötävaikuttavat tekijät lonkan tekonivelleikkauksen jälkeen (2018)
- Suomen ortopedia ja traumatologia
Valtteri Panula, Elina Ekman, Mikko Venäläinen, Inari Laaksonen, Riku Klén, Jaason Haapakoski, Antti Eskelinen, Laura Elo, Keijo Mäkelä
(D1 Article in a professional journal)
Distortion and topology (2017)
- Journal d'Analyse Mathématique
R. Klén, G. Martin
(A1 Refereed original research article in a scientific journal)
Geometric properties of the Cassinian metric (2017)
- Mathematical News / Mathematische Nachrichten
Riku Klén, Manas Ranjan Mohapatra, Swadesh Kumar Sahoo
(A1 Refereed original research article in a scientific journal)
Hyperbolic distance between hyperbolic lines (2017)
- Annales Mathematicae Et Informaticae
Riku Klén
(A1 Refereed original research article in a scientific journal)
Hyperbolic Type Distances in Starlike Domains (2017)
- Results in Mathematics
Klen R
(A1 Refereed original research article in a scientific journal)
NEW TRIGONOMETRIC AND HYPERBOLIC INEQUALITIES (2017)
- Miskolc Mathematical Notes
Bhayo BA, Klen R, Sandor J
(A1 Refereed original research article in a scientific journal)
ON THE SMOOTHNESS OF QUASIHYPERBOLIC BALLS (2017)
- Annales Academiae Scientiarum Fennicae. Mathematica
Riku Klén, Antti Rasila, Jarno Talponen
(A1 Refereed original research article in a scientific journal)