Petri Paakkari
Visiting Researcher
Department of Technical Physics, Faculty of Science, Forestry and Technology
[email protected] | +358 50 478 3271
Currently working on contrast-enhanced computed tomography and articular cartilage imaging. The aim of the project is to combine photon-counting detectors and multi-contrast agents to detect early osteoarthritis.
Research groups
Publications
16/16 items-
Dual-Contrast Agent with Nanoparticle and Molecular Components in Photon-Counting Computed Tomography: Assessing Articular Cartilage Health
Paakkari, Petri; Inkinen, Satu I; Jäntti, Jiri; Tuppurainen, Juuso; Fugazzola, Maria C; Joenathan, Anisha; Ylisiurua, Sampo; Nieminen, Miika T; Kröger, Heikki; Mikkonen, Santtu; van Weeren, René; Snyder, Brian D; Töyräs, Juha; Honkanen, Miitu KM; Matikka, Hanna; Grinstaff, Mark W; Honkanen, Juuso TJ; Mäkelä, Janne TA. 2025. Annals of biomedical engineering. 53: 1423-1438 A1 Journal article (refereed), original research -
The Relationship Between the Optical Properties of Articular Cartilage and the Biomechanical Parameters of the Tissue
Kafian‐Attari, Iman; Ebrahimi, Mohammad; Nippolainen, Ervin; Mirhashemi, Arash; Paakkari, Petri; Bergmann, Florian; Foschum, Florian; Kienle, Alwin; Töyräs, Juha; Afara, Isaac. 2025. Journal of biophotonics. 18: A1 Journal article (refereed), original research -
The human patellar tendon is mechanically homogenous at its mid-substance
Kositsky, Adam; Stenroth, Lauri; Nippolainen, Ervin; Torniainen, Jari; Mäkelä, Janne TA; Paakkari, Petri; Paakkonen, Tommi; Kröger, Heikki; Töyräs, Juha; Afara, Isaac O; Korhonen, Rami K. 2025. Journal of the mechanical behavior of biomedical materials. 163: A1 Journal article (refereed), original research -
Photon-counting in dual-contrast-enhanced computed tomography: a proof-of-concept quantitative biomechanical assessment of articular cartilage
Paakkari, Petri; Inkinen, Satu I; Mohammadi, Ali; Nieminen, Miika T; Joenathan, Anisha; Grinstaff, Mark W; Töyräs, Juha; Mäkelä, Janne TA; Honkanen, Juuso TJ. 2024. Scientific reports. 14: . 29956 A1 Journal article (refereed), original research -
Revealing Detailed Cartilage Function Through Nanoparticle Diffusion Imaging: A Computed Tomography & Finite Element Study
Tuppurainen, Juuso; Paakkari, Petri; Jäntti, Jiri; Nissinen, Mikko T. Fugazzola, Maria C; van Weeren, René; Ylisiurua, Sampo; Nieminen, Miika T; Kröger, Heikki; Snyder, Brian D; Joenathan, Anisha; Grinstaff, Mark W; Matikka, Hanna; Korhonen, Rami K; Mäkelä, Janne TA. 2024. Annals of biomedical engineering. 52: 2584-2595 A1 Journal article (refereed), original research -
Articular Cartilage Characterization Using Tantalum and Iodine-based Dual-Contrast Photon-Counting Computed Tomography
Paakkari, Petri; Inkinen, Satu; Jäntti, Jiri; Tuppurainen, Juuso; Fugazzola, Maria; Joenathan, Anisha; Ylisiurua, Sampo; Nieminen, Miika; Grinstaff, Mark; Kröger, Heikki; Töyräs, Juha; Honkanen, Juuso; Mäkelä, Janne. 2023. Transactions of the annual meeting of the Orthopaedic Research Society abstract -
Broadband scattering properties of articular cartilage zones and their relationship with the heterogenous structure of articular cartilage extracellular matrix
Kafian-Attari, Iman; Nippolainen, Ervin; Bergmann, Florian; George, Akuroma; Paakkari, Petri; Mirhashemi, Arash; Foschum, Florian; Kienle, Alwin; Töyräs, Juha; Afara, Isaac O. 2023. Journal of biomedical optics. 28: A1 Journal article (refereed), original research -
Impact of experimental setup parameters on the measurement of articular cartilage optical properties in the visible and short near-infrared spectral bands
Kafian-Attari, Iman; Nippolainen, Ervin; Bergmann, Florian; Mirhashemi, Arash; Paakkari, Petri; Foschum, Florian; Kienle, Alwin; Töyräs, Juha; Afara, Isaac O.. 2023. Biomedical optics express. 14: 3397-3412 A1 Journal article (refereed), original research -
Near-infrared spectroscopic assessment of patellar tendon mechanics
Kositsky, Adam; Torniainen, Jari; Stenroth, Lauri; Nippolainen, Ervin; Mäkelä, Janne TA; Paakkari, Petri; Kröger, Heikki; Töyräs, Juha; Korhonen, Rami K; Afara, Isaac O. 2023. abstract -
Tantalum And Iodine Based Dual-Contrast Photon-Counting Computed Tomography Method For Assessment Of Articular Cartilage Composition
Paakkari, P; Inkinen, SI; Jäntti, J; Tuppurainen, J; Fugazzola, MC; Joenathan, A; Ylisiurua, S; Nieminen, MT; Grinstaff, MW; Kröger, H; Töyräs, J; Honkanen, JT; Mäkelä, JT. 2023. Osteoarthritis and cartilage abstract