Publications

• Articular cartilage optical properties in the near-infrared (NIR) spectral range vary with depth and tissue integrity Khan, Bilour; Kafian-Attari, Iman; Nippolainen, Ervin; Shaikh, Rubina; Semenov, Dmitry; Hauta-Kasari, Markku; Töyräs, Juha; Afara, Isaac O.. 2021. Articular cartilage optical properties in the near-infrared (NIR) spectral range vary with depth and tissue integrity Biomedical optics express 12 10: 6066-6080. 2021
• Biomechanical, biochemical, and near infrared spectral data of bovine knee ligaments and patellar tendon Ristaniemi, Aapo; Torniainen, Jari; Paakkonen, Tommi; Stenroth, Lauri; Finnilä, Mikko A.J.; Tanska, Petri; Töyräs, Juha; Korhonen, Rami K.. 2021. Biomechanical, biochemical, and near infrared spectral data of bovine knee ligaments and patellar tendon Data in brief 36: 106976. 2021
• Characterization of connective tissues using near-infrared spectroscopy and imaging Afara, Isaac O; Shaikh, Rubina; Nippolainen, Ervin; Querido, William; Torniainen, Jari; Sarin, Jaakko K; Kandel, Shital; Pleshko, Nancy; Töyräs, Juha. 2021. Characterization of connective tissues using near-infrared spectroscopy and imaging Nature protocols 16 2: 1297-1329. 2021
• Dual-contrast computed tomography enables detection of equine posttraumatic osteoarthritis in vitro Saukko, AEA; Sarin, JK; Nykänen, O; Nissi, MJ; Te Moller, NCR; Weinans, H; Mancini, IAD; Visser, J; Brommer, H; van Weeren, PR; Malda, J; Grinstaff, MW; Töyräs, J. 2021. Dual-contrast computed tomography enables detection of equine posttraumatic osteoarthritis in vitro Journal of orthopaedic research 2022; 40 3: 703-711. 2021
• Functional and Structural Properties of Human Patellar Articular Cartilage in Osteoarthritis Nissinen, Mikko T; Hänninen, Nina; Prakash, Mithilesh; Mäkelä, Janne TA; Nissi, Mikko J; Töyräs, Juha; Nieminen, Miika T. Korhonen, Rami K; Tanska, Petri. 2021. Functional and Structural Properties of Human Patellar Articular Cartilage in Osteoarthritis Journal of biomechanics 126: 110634. 2021
• High-resolution infrared microspectroscopic characterization of cartilage cell microenvironment Linus, A; Ebrahimi, M; Turunen, MJ; Saarakkala, S; Joukainen, A; Kröger, H; Koistinen, A; Finnilä, M; Afara, IO; Mononen, ME; Tanska, P; Korhonen, RK. 2021. High-resolution infrared microspectroscopic characterization of cartilage cell microenvironment Acta biomaterialia 134: 252-260. 2021
• Infrared Fiber-Optic Spectroscopy Detects Bovine Articular Cartilage Degeneration Virtanen, Vesa; Nippolainen, Ervin; Shaikh, Rubina; Afara, Isaac O; Töyräs, Juha; Solheim, Johanne; Tafintseva, Valeria; Zimmermann, Boris; Kohler, Achim; Saarakkala, Simo; Rieppo, Lassi. 2021. Infrared Fiber-Optic Spectroscopy Detects Bovine Articular Cartilage Degeneration Cartilage 13 Suppl 2: 285S-294S. 2021
• Machine learning augmented near-infrared spectroscopy: In vivo follow-up of cartilage defects Sarin, Jaakko K; Te Moller, Nikae Cr; Mohammadi, Ali; Prakash, Mithilesh; Torniainen, Jari; Brommer, Harold; Nippolainen, Ervin; Shaikh, Rubina; Mäkelä, Janne Ta; Korhonen, Rami K; René van Weeren, P; Afara, Isaac O; Töyräs, Juha. 2021. Machine learning augmented near-infrared spectroscopy: In vivo follow-up of cartilage defects Osteoarthritis and cartilage 29 3: 423-432. 2021
• Quantitative dual contrast photon-counting computed tomography for assessment of articular cartilage health Paakkari, Petri; Inkinen, Satu I; Honkanen, Miitu KM; Prakash, Mithilesh; Shaikh, Rubina; Nieminen, Miika T; Grinstaff, Mark W; Mäkelä, Janne TA; Töyräs, Juha; Honkanen, Juuso TJ. 2021. Quantitative dual contrast photon-counting computed tomography for assessment of articular cartilage health Scientific reports 11 1: 5556. 2021
• Raman spectroscopy is sensitive to biochemical changes related to various cartilage injuries Shaikh, Rubina; Nippolainen, Ervin; Virtanen, Vesa; Torniainen, Jari; Rieppo, Lassi; Saarakkala, Simo; Afara, Isaac O; Töyräs, Juha. 2021. Raman spectroscopy is sensitive to biochemical changes related to various cartilage injuries Journal of raman spectroscopy 52 4: 796-804. 2021
• Resolving the Near-Infrared Spectrum of Articular Cartilage Afara, Isaac O.; Oloyede, Adekunle. 2021. Resolving the Near-Infrared Spectrum of Articular Cartilage Cartilage 13 Suppl 1: 729S-737S. 2021
• Structure, composition and fibril-reinforced poroviscoelastic properties of bovine knee ligaments and patellar tendon Ristaniemi, Aapo; Regmi, Dristi; Mondal, Diponkor; Torniainen, Jari; Tanska, Petri; Stenroth, Lauri; Finnilä, Mikko AJ; Töyräs, Juha; Korhonen, Rami K. 2021. Structure, composition and fibril-reinforced poroviscoelastic properties of bovine knee ligaments and patellar tendon Journal of the royal society interface 18 174: 20200737. 2021
• Subject-specific biomechanical analysis to estimate locations susceptible to osteoarthritis - Finite element modeling and MRI follow-up of ACL reconstructed patients Bolcos, Paul O; Mononen, Mika E; Roach, Koren E; Tanaka, Matthew S; Suomalainen, Juha-Sampo; Mikkonen, Santtu; Nissi, Mikko J; Töyräs, Juha; Link, Thomas M; Souza, Richard B; Majumdar, Sharmila; Ma, C Benjamin; Li, Xiaojuan; Korhonen, Rami K. 2021. Subject-specific biomechanical analysis to estimate locations susceptible to osteoarthritis - Finite element modeling and MRI follow-up of ACL reconstructed patients Journal of orthopaedic research [ePub ahead of print 24 Nov 2021]: 1-12. 2021
• Ultraviolet/Visible and Near-Infrared Dual Spectroscopic Method for Detection and Quantification of Low-Level Malaria Parasitemia in Whole Blood Adegoke, John A; De Paoli, Amanda; Afara, Isaac O; Kochan, Kamila; Creek, Darren J; Heraud, Philip; Wood, Bayden R. 2021. Ultraviolet/Visible and Near-Infrared Dual Spectroscopic Method for Detection and Quantification of Low-Level Malaria Parasitemia in Whole Blood Analytical chemistry 93 39: 13302-13310. 2021
• Arthroscopic near-infrared spectroscopic prediction of human meniscus properties Arthroscopic near-infrared spectroscopic prediction of human meniscus properties. Ala-Myllymäki, Juho; Paakkonen, Tommi; Töyräs, Juha; Afara, Isaac O / Proceedings Biophotonics Congress: Optics in the Life Sciences Congress 2019. 2020. 2020
• Automated Preprocessing of Near Infrared Spectroscopic Data Automated Preprocessing of Near Infrared Spectroscopic Data. Torniainen, J; Afara, IO; Prakash, M; Sarin, JK; Stenroth, L; Töyräs, J / Bio-Optics: Design and Application 2019. 2020. 2020
• Bright ultra-short echo time SWIFT MRI signal at the osteochondral junction is not located in the calcified cartilage Nykänen, Olli; Leskinen, Henri P P; Finnilä, Mikko; Karhula, Sakari S; Turunen, Mikael J; Töyräs, Juha; Saarakkala, Simo; Nissi, Mikko J. 2020. Bright ultra-short echo time SWIFT MRI signal at the osteochondral junction is not located in the calcified cartilage Journal of orthopaedic research 38 12: 2649-2656. 2020
• Clinical Contrast-enhanced Computed Tomography with Semiautomatic Segmentation Provides Feasible Input for Computational Models of the Knee Joint Myller, KAH; Korhonen, R; Töyräs, J; Tanska, P; Väänänen, S; Jurvelin, JS; Saarakkala, S; Mononen, ME. 2020. Clinical Contrast-enhanced Computed Tomography with Semiautomatic Segmentation Provides Feasible Input for Computational Models of the Knee Joint Journal of biomechanical engineering: transactions of the ASME 142 5: 051001. 2020
• Comparison of water, hydroxyproline, uronic acid and elastin contents of bovine knee ligaments and patellar tendon and their relationships with biomechanical properties Ristaniemi, A; Torniainen, J; Stenroth, L; Finnilä, MAJ; Paakkonen, T; Töyräs, J; Korhonen, RK. 2020. Comparison of water, hydroxyproline, uronic acid and elastin contents of bovine knee ligaments and patellar tendon and their relationships with biomechanical properties Journal of the mechanical behavior of biomedical materials 104: 103639. 2020
• Discrete element and finite element methods provide similar estimations for hip joint contact mechanics during walking gait Li, Mao; Venäläinen, Mikko S; Chandra, Shekhar S; Patel, Rushabh; Fripp, Jurgen; Engstrom, Craig; Korhonen, Rami K; Töyräs, Juha; Crozier, Stuart. 2020. Discrete element and finite element methods provide similar estimations for hip joint contact mechanics during walking gait Journal of biomechanics 115: 110163. 2020
• Dual Contrast in Computed Tomography Allows Earlier Characterization of Articular Cartilage over Single Contrast Bhattarai, Abhisek; Pouran, Behdad; Mäkelä, Janne T A; Shaikh, Rubina; Honkanen, Miitu K M; Prakash, Mithilesh; Kröger, Heikki; Grinstaff, Mark W; Weinans, Harrie; Jurvelin, Jukka S; Töyräs, Juha. 2020. Dual Contrast in Computed Tomography Allows Earlier Characterization of Articular Cartilage over Single Contrast Journal of orthopaedic research 38 10: 2230-2238. 2020
• Effects of Human Articular Cartilage Constituents on Simultaneous Diffusion of Cationic and Non-ionic Contrast Agents Bhattarai, Abhisek; Mäkelä, Janne T A; Pouran, Behdad; Kröger, Heikki; Weinans, Harrie; Grinstaff, Mark W; Töyräs, Juha; Turunen, Mikael J. 2020. Effects of Human Articular Cartilage Constituents on Simultaneous Diffusion of Cationic and Non-ionic Contrast Agents Journal of orthopaedic research 2021; 39 4: 771-779. 2020
• Evaluation of articular cartilage with quantitative MRI in an equine model of post-traumatic osteoarthritis Kajabi, Abdul Wahed; Casula, Victor; Sarin, Jaakko K; Ketola, Juuso H; Nykänen, Olli; Te Moller, Nikae C R; Mancini, Irina A D; Visser, Jetze; Brommer, Harold; René van Weeren, P; Malda, Jos; Töyräs, Juha; Nieminen, Miika T; Nissi, Mikko J. 2020. Evaluation of articular cartilage with quantitative MRI in an equine model of post-traumatic osteoarthritis Journal of orthopaedic research 2021; 39 1: 63-73. 2020
• Hyperspectral image acquisition, estimation, and feature extraction of complex and textured surfaces Mirhashemi, Arash (ed.) . 2020. Hyperspectral image acquisition, estimation, and feature extraction of complex and textured surfaces. Itä-Suomen yliopisto. Publications of the University of Eastern Finland. Dissertations in Forestry and Natural Sciences 381. 2020
• Identification of locations susceptible to osteoarthritis in patients with anterior cruciate ligament reconstruction: Combining knee joint computational modelling with follow-up T1p and T2 imaging Bolcos, PO; Mononen, ME; Tanaka, MS; Yang, M; Suomalainen, JS; Nissi, MJ; Töyräs, J; Ma, B; Li, X; Korhonen, RK. 2020. Identification of locations susceptible to osteoarthritis in patients with anterior cruciate ligament reconstruction: Combining knee joint computational modelling with follow-up T1p and T2 imaging Clinical biomechanics 79: 104844. 2020
• Machine Learning Classification of Articular Cartilage Integrity Using Near Infrared Spectroscopy Afara, Isaac O; Sarin, Jaakko K; Ojanen, Simo; Finnilä, Mikko A J; Herzog, Walter; Saarakkala, Simo; Korhonen Rami K; Töyräs, Juha. 2020. Machine Learning Classification of Articular Cartilage Integrity Using Near Infrared Spectroscopy Cellular and molecular bioengineering 13 3: 219-228. 2020
• Mid-infrared and Near infrared spectroscopic analysis of mechanically and enzymatically damaged cartilage Mid-infrared and Near infrared spectroscopic analysis of mechanically and enzymatically damaged cartilage. Nippolainen, Ervin; Shaikh, Rubina; Virtanen, Vesa; Rieppo, Lassi; Afara, Isaac; Saarakkala, Simo; Töyräs, Juha / Proceedings Biophotonics Congress: Optics in the Life Sciences Congress 2019. 2020. 2020
• Mid-infrared spectroscopic assessment of cartilage degeneration Mid-infrared spectroscopic assessment of cartilage degeneration. Shaikh, Rubina; Nippolainen, Ervin; Virtanen, Vesa; Rieppo, Lassi; Haas, Julian; Mizaikoff, Boris; Artyushenko, Viacheslav; Bibikova, Olga; Afara, Isaac; Saarakkala, Simo; Töyräs, Juha / Proceedings Biophotonics Congress: Optics in the Life Sciences Congress 2019. 2020. 2020
• Near Infrared Spectroscopy Enables Differentiation of Mechanically and Enzymatically Induced Cartilage Injuries Nippolainen, Ervin; Shaikh, Rubina; Virtanen, Vesa; Rieppo, Lassi; Saarakkala, Simo; Töyräs, Juha; Afara, Isaac. 2020. Near Infrared Spectroscopy Enables Differentiation of Mechanically and Enzymatically Induced Cartilage Injuries Annals of biomedical engineering 48 9: 2343-2353. 2020
• Near Infrared Spectroscopy-Based Evaluation of Patellar Tendon and Knee Ligaments Torniainen, Jari (ed.) . 2020. Near Infrared Spectroscopy-Based Evaluation of Patellar Tendon and Knee Ligaments. Itä-Suomen yliopisto. Publications of the University of Eastern Finland. Dissertations in Forestry and Natural Sciences 394. 2020
• Near-Infrared Spectroscopy for Mapping of Human Meniscus Biochemical Constituents Ala-Myllymäki, Juho; Paakkonen, Tommi; Joukainen, Antti; Kröger, Heikki; Lehenkari, Petri; Töyräs, Juha; Afara, Isaac O. 2020. Near-Infrared Spectroscopy for Mapping of Human Meniscus Biochemical Constituents Annals of biomedical engineering 2021; 49: 469-476. 2020
• Open-source python module for automated preprocessing of near infrared spectroscopic data Torniainen, J; Afara, IO; Prakash, M; Sarin, JK; Stenroth, L; Töyräs, J. 2020. Open-source python module for automated preprocessing of near infrared spectroscopic data Analytica chimica acta 1108: 1-9. 2020
• Optical properties of articular cartilage in the near-infrared spectral range are related to its proteoglycan content Optical properties of articular cartilage in the near-infrared spectral range are related to its proteoglycan content. Kafian-Attari, Iman; Semenov, Dmitry; Nippolainen, Ervin; Hauta-Kasari, Markku; Töyräs, Juha; Afara, Isaac O / Proceedings Volume 11363, Tissue Optics and Photonics. 2020. 2020
• Quantification of Myocardial Blood Flow by Machine Learning Analysis of Modified Dual Bolus MRI Examination Husso, Minna; Afara, Isaac O; Nissi, Mikko J; Kuivanen, Antti; Halonen, Paavo; Tarkia, Miikka; Teuho, Jarmo; Saunavaara, Virva; Vainio, Pauli; Sipola, Petri; Manninen, Hannu; Ylä-Herttuala, Seppo; Knuuti, Juhani; Töyräs, Juha. 2020. Quantification of Myocardial Blood Flow by Machine Learning Analysis of Modified Dual Bolus MRI Examination Annals of biomedical engineering 2021; 49: 653-662. 2020
• Rapid CT-based Estimation of Articular Cartilage Biomechanics in the Knee Joint Without Cartilage Segmentation Mohammadi, Ali; Myller, Katariina A H; Tanska, Petri; Hirvasniemi, Jukka; Saarakkala, Simo; Töyräs, Juha; Korhonen, Rami K; Mononen, Mika E. 2020. Rapid CT-based Estimation of Articular Cartilage Biomechanics in the Knee Joint Without Cartilage Segmentation Annals of biomedical engineering 48: 2965-2975. 2020
• Structural, compositional, and functional effects of blunt and sharp cartilage damage on the joint: a 9-month equine groove model study Te Moller, Nikae CR; Mohammadi, Ali; Plomp, Saskia; Serra Bragança, Filipe M; Beukers, Martijn; Pouran, Behdad; Afara, Isaac O; Nippolainen, Ervin; Mäkelä, Janne TA; Korhonen, Rami K; Töyräs, Juha; Brommer, Harold; René van Weeren, P. 2020. Structural, compositional, and functional effects of blunt and sharp cartilage damage on the joint: a 9-month equine groove model study Journal of orthopaedic research 2021; 39 11: 2363-2375. 2020
• Tissue optical properties combined with machine learning enables estimation of articular cartilage composition and functional integrity Kafian-Attari, Iman; Nippolainen, Ervin; Semenov, Dmitry; Hauta-Kasari, Markku; Töyräs, Juha; Afara, Isaac O. 2020. Tissue optical properties combined with machine learning enables estimation of articular cartilage composition and functional integrity Biomedical optics express 11 11: 6480-6494. 2020
• Arthroscopic Determination of Cartilage Proteoglycan Content and Collagen Network Structure with Near-Infrared Spectroscopy Sarin, JK; Nykänen, O; Tiitu, V; Mancini, IAD; Brommer, H; Visser, J; Malda, J; van Weeren, PR; Afara, IO; Töyräs, J. 2019. Arthroscopic Determination of Cartilage Proteoglycan Content and Collagen Network Structure with Near-Infrared Spectroscopy Annals of biomedical engineering 47 8: 1815-1826. 2019
• Computational evaluation of altered biomechanics related to articular cartilage lesions observed in vivo Myller, KAH; Korhonen, RK; Töyräs, J; Salo, J; Jurvelin, JS; Venäläinen, MS. 2019. Computational evaluation of altered biomechanics related to articular cartilage lesions observed in vivo Journal of orthopaedic research 37 5: 1042-1051. 2019
• Configuration and Registration of Multi-Camera Spectral Image Database of Icon Paintings Mirhashemi, Arash. 2019. Configuration and Registration of Multi-Camera Spectral Image Database of Icon Paintings Computation 7 3: 47. 2019
• Contrast enhanced computed tomography for real-time quantification of glycosaminoglycans in cartilage tissue engineered constructs Garcia, João P; Longoni, Alessia; Gawlitta, Debby; Rosenberg, Antoine J W P; Grinstaff, Mark W; Töyräs, Juha; Weinans, Harrie; Creemers, Laura B; Pouran, Behdad. 2019. Contrast enhanced computed tomography for real-time quantification of glycosaminoglycans in cartilage tissue engineered constructs Acta biomaterialia 100: 202-212. 2019
• Dataset on equine cartilage near infrared spectra, composition, and functional properties Sarin, JK; Torniainen, J; Prakash, M; Rieppo, L; Afara, IO; Töyräs, J. 2019. Dataset on equine cartilage near infrared spectra, composition, and functional properties Scientific data 6 1: 164. 2019
• Deep Learning for Dental Hyperspectral Image Analysis Deep Learning for Dental Hyperspectral Image Analysis. Boiko, Oleksandr; Hyttinen, Joni; Fält, Pauli; Jäsberg, Heli; Mirhashemi, Arash; Kullaa, Arja; Hauta-Kasari, Markku / 27th Color and Imaging Conference Final Program and Proceedings. 2019. 2019
• Does Magnetic Resonance Imaging Provide Superior Reliability for Achilles and Patellar Tendon Cross-Sectional Area Measurements Compared with Ultrasound Imaging? Stenroth, Lauri; Sefa, Sandra; Arokoski, Jari; Töyräs, Juha. 2019. Does Magnetic Resonance Imaging Provide Superior Reliability for Achilles and Patellar Tendon Cross-Sectional Area Measurements Compared with Ultrasound Imaging? Ultrasound in medicine and biology 45 12: 3186-3198. 2019
• Imaging of Proteoglycan and Water Contents in Human Articular Cartilage with Full-Body CT Using Dual Contrast Technique Honkanen, MKM; Matikka, H; Honkanen, JTJ; Bhattarai, A; Grinstaff, MW; Joukainen, A; Kröger, H; Jurvelin, JS; Töyräs, J. 2019. Imaging of Proteoglycan and Water Contents in Human Articular Cartilage with Full-Body CT Using Dual Contrast Technique Journal of orthopaedic research 37 5: 1059-1070. 2019
• Impact of Nanoparticle Uptake on the Biophysical Properties of Cell for Biomedical Engineering Applications Rasel, MAI; Singh, S; Nguyen, TD; Afara, IO; Gu, Y. 2019. Impact of Nanoparticle Uptake on the Biophysical Properties of Cell for Biomedical Engineering Applications Scientific reports 9: 5859. 2019
• Near infrared spectroscopy enables quantitative evaluation of human cartilage biomechanical properties during arthroscopy Prakash, M; Joukainen, A; Torniainen, J; Honkanen, MKM; Rieppo, L; Afara, IO; Kröger, H; Töyräs, J; Sarin, JK. 2019. Near infrared spectroscopy enables quantitative evaluation of human cartilage biomechanical properties during arthroscopy Osteoarthritis and cartilage 27 8: 1235-1243. 2019
• Quantification of porcine myocardial perfusion with modified dual bolus MRI - a prospective study with a PET reference Husso, M; Nissi, MJ; Kuivanen, A; Halonen, P; Tarkia, M; Teuho, J; Saunavaara, V; Vainio, P; Sipola, P; Manninen, H; Ylä-Herttuala, S; Knuuti, J; Töyräs, J. 2019. Quantification of porcine myocardial perfusion with modified dual bolus MRI - a prospective study with a PET reference Bmc medical imaging 19 1: 58. 2019
• Triple Contrast CT Method Enables Simultaneous Evaluation of Articular Cartilage Composition and Segmentation Honkanen, MKM; Saukko, AEA; Turunen, MJ; Xu, W; Lovric, G; Honkanen, JTJ; Grinstaff, MW; Lehto, VP; Töyräs, J. 2019. Triple Contrast CT Method Enables Simultaneous Evaluation of Articular Cartilage Composition and Segmentation Annals of biomedical engineering 2020; 48 2: 556-567. 2019
• A new mechanical indentation framework for functional assessment of articular cartilage Arabshahi, Zohreh; Afara, Isaac Oluwaseun; Moody, Hayley Ruscoe; Schrobback, Karsten; Kashani, Jamal; Fischer, Nadine; Oloyede, Adekunle; Klein, Travis Jacob. 2018. A new mechanical indentation framework for functional assessment of articular cartilage. Journal of the Mechanical Behavior of Biomedical Materials 81: 83-94. 2018
• Accounting for spatial dependency in multivariate spectroscopic data Prakash, M; Sarin, JK; Rieppo, L; Afara IO; Töyräs, J. 2018. Accounting for spatial dependency in multivariate spectroscopic data CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS 182: 166-171. 2018
• Accuracy and reliability of a hand-held in vivo skin indentation device to assess skin elasticity Virén, T; Iivarinen, JT; Sarin, JK; Harvima, I; Mayrovitz, HN. 2018. Accuracy and reliability of a hand-held in vivo skin indentation device to assess skin elasticity. International Journal of Cosmetic Science 40 2: 134-140. 2018
• Arthroscopic near infrared spectroscopy enables simultaneous quantitative evaluation of articular cartilage and subchondral bone in vivo Sarin, Jaakko K; Te Moller, Nikae CR; Mancini, Irina AD; Brommer, Harold; Visser, Jetze; Malda, Jos; van Weeren, PR; Afara, Isaac O; Töyräs, Juha. 2018. Arthroscopic near infrared spectroscopy enables simultaneous quantitative evaluation of articular cartilage and subchondral bone in vivo Scientific reports 8 1: 13409. 2018
• Characterizing human subchondral bone properties using near-infrared (NIR) spectroscopy Afara, IO; Florea, C; Olumegbon, IA; Eneh, CT; Malo, MKH; Korhonen, RK; Töyräs, J. 2018. Characterizing human subchondral bone properties using near-infrared (NIR) spectroscopy Scientific Reports 8 1: 9733. 2018
• Deep Learning Classification of Cartilage Integrity Using Near Infrared Spectroscopy Deep Learning Classification of Cartilage Integrity Using Near Infrared Spectroscopy. Afara, Isaac O.; Sarin, Jaakko K.; Ojanen, Simo; Finnilä, Mikko; Herzog, Walter; Saarakkala, Simo; Korhonen, Rami; Töyräs, Juha / Biophotonics Congress: Biomedical Optics Congress 2018 (Microscopy/Translational/Brain/OTS). 2018. 2018
• Estimating Mechanical Properties of Bovine Knee Ligaments and Tendons with Near Infrared Spectroscopy Estimating Mechanical Properties of Bovine Knee Ligaments and Tendons with Near Infrared Spectroscopy. Torniainen, Jari E; Ristaniemi, Aapo; Stenroth, Lauri; Töyräs, Juha / Biophotonics Congress: Biomedical Optics Congress 2018 (Microscopy/Translational/Brain/OTS). 2018. 2018
• Evaluation of chondral injuries using near infrared spectroscopy Sarin, Jaakko. 2018. Evaluation of chondral injuries using near infrared spectroscopy. Itä-Suomen yliopisto. Publications of the University of Eastern Finland. Dissertations in Forestry and Natural Sciences 317. 2018
• Increase in Body Mass Index Decreases Duration of Apneas and Hypopneas in Obstructive Sleep Apnea Leppänen, Timo; Kulkas, Antti; Mervaala, Esa; Töyräs, Juha. 2018. Increase in Body Mass Index Decreases Duration of Apneas and Hypopneas in Obstructive Sleep Apnea Respiratory care 2019; 64 1: 77-84. 2018
• MIDAS: Open-source framework for distributed online analysis of data streams Henelius, Andreas; Torniainen, Jari. 2018. MIDAS: Open-source framework for distributed online analysis of data streams. SoftwareX 7: 156-161. 2018
• Multi-scale imaging techniques to investigate solute transport across articular cartilage Pouran, Behdad; Arbabi, Vahid; Bajpayee, Ambika G; van Tiel, Jasper; Töyras, Juha; Jurvelin, Jukka S; Malda, Jos; Zadpoor, Amir A; Weinans, Harrie. 2018. Multi-scale imaging techniques to investigate solute transport across articular cartilage JOURNAL OF BIOMECHANICS 78: 10-20. 2018
• Near Infrared Spectroscopic Evaluation of Ligament and Tendon Biomechanical Properties Torniainen, Jari; Ristaniemi, Aapo; Sarin, Jaakko K; Mikkonen, Santtu; Afara, Isaac O; Stenroth, Lauri; Korhonen, Rami K; Töyräs, Juha. 2018. Near Infrared Spectroscopic Evaluation of Ligament and Tendon Biomechanical Properties ANNALS OF BIOMEDICAL ENGINEERING 2019; 47 1: 213-222. 2018
• Near-infrared spectroscopy based arthroscopic evaluation of human knee joint cartilage, through automated selection of an anatomically specific regression model Near-infrared spectroscopy based arthroscopic evaluation of human knee joint cartilage, through automated selection of an anatomically specific regression model. Prakash, Mithilesh; Joukainen, Antti; Sarin, Jaakko; Rieppo, Lassi; Afara, Isaac; Töyräs, Juha / Optical Tomography and Spectroscopy 2018. 2018. 2018
• Near-infrared spectroscopy: A potential tool for mapping meniscus properties Near-infrared spectroscopy: A potential tool for mapping meniscus properties. Ala-Myllymäki, Juho P.; Töyräs, Juha; Afara, Isaac O. / Biophotonics Congress: Biomedical Optics Congress 2018 (Microscopy/Translational/Brain/OTS). 2018. 2018
• Potential enhancement of articular cartilage histological grading with collagen integrity Moody, HR; Afara, IO; Singh, S; Oloyede, A. 2018. Potential enhancement of articular cartilage histological grading with collagen integrity. CLINICAL BIOMECHANICS 56: 1-10. 2018
• Spectroscopic Evaluation of Post-Traumatic Osteoarthritis in Shetland Ponies Spectroscopic Evaluation of Post-Traumatic Osteoarthritis in Shetland Ponies. Sarin, Jaakko K; te Moller, Nikae; Brommer, Harold; van Weeren, René; Mancini, Irina; Malda, Josa; Afara, Isaac O; Töyräs, Juha / Optical Tomography and Spectroscopy 2018. 2018. 2018
• Characterization of Articular Cartilage Recovery and Its Correlation with Optical Response in the Near-Infrared Spectral Range Afara Isaac Oluwaseun, Singh Sanjleena, Moody Hayley, Zhang Lihai, Oloyede Adekunley. 2017. Characterization of Articular Cartilage Recovery and Its Correlation with Optical Response in the Near-Infrared Spectral Range. Cartilage 8 3: 307-316. 2017
• Infrared microspectroscopic determination of collagen cross-links in articular cartilage Rieppo L, Kokkonen HT, Kulmala KAM, Kovanen V, Lammi MJ, Töyräs J, Saarakkala S. 2017. Infrared microspectroscopic determination of collagen cross-links in articular cartilage Journal of Biomedical Optics 22 3: 035007. 2017
• Monitoring osteoarthritis progression using near infrared (NIR) spectroscopy Afara IO, Prasadam I, Arabshahi Z, Xiao Y, Oloyede A. 2017. Monitoring osteoarthritis progression using near infrared (NIR) spectroscopy. Scientific Reports 7 1: 11463. 2017
• Multimodality scoring of chondral injuries in the equine fetlock joint ex vivo Sarin Jaakko Kalevi, Brommer Harold, Argüelles David, Puhakka Pia Henriikka, Inkinen Satu Irene, Afara Isaac Oluwaseun, Saarakkala Simo, Töyräs Juha. 2017. Multimodality scoring of chondral injuries in the equine fetlock joint ex vivo. OSTEOARTHRITIS AND CARTILAGE 25 5: 790-798. 2017
• Near-infrared (NIR) spectroscopic evaluation of articular cartilage: A review of current and future trends Olumegbon Ismail Adewale, Oloyede Adekunle, Afara Isaac Oluwaseun. 2017. Near-infrared (NIR) spectroscopic evaluation of articular cartilage: A review of current and future trends. Applied Spectroscopy Reviews 52 6: 541-559. 2017
• Optical spectroscopic characterization of human meniscus biomechanical properties Ala-Myllymäki Juho, Danso Elvis K, Honkanen Juuso TJ, Korhonen Rami K, Töyräs J, Afara Isaac O. 2017. Optical spectroscopic characterization of human meniscus biomechanical properties. Journal of Biomedical Optics 22 12: 125008 (10 pages). 2017
• Optimal Regression Method for Near-Infrared Spectroscopic Evaluation of Articular Cartilage Prakash M, Sarin JK, Rieppo L, Afara IO, Töyräs J. 2017. Optimal Regression Method for Near-Infrared Spectroscopic Evaluation of Articular Cartilage. APPLIED SPECTROSCOPY 71 10: 2253-2262. 2017
• Ultrasound Arthroscopy of Hip in Treatment of Osteochondritis Dissecans Joukainen A, Virén T, Penttilä P, Liukkonen J, Puhakka PH, Kröger H, Töyräs J. 2017. Ultrasound Arthroscopy of Hip in Treatment of Osteochondritis Dissecans. Arthroscopy Techniques 6 4: e1063-e1068. 2017
• Ultrasound Assessment of Human Meniscus Viren T, Honkanen JT, Danso EK, Rieppo L, Korhonen RK, Töyräs J. 2017. Ultrasound Assessment of Human Meniscus. ULTRASOUND IN MEDICINE AND BIOLOGY 43 9: 1753-1763. 2017
• In Vivo Contrast-Enhanced Cone Beam CT Provides Quantitative Information on Articular Cartilage and Subchondral Bone Myller Katariina AH, Turunen Mikael J, Honkanen Juuso TJ, Väänänen Sami P, Iivarinen Jarkko T, Salo Jari, Jurvelin Jukka S, Töyräs Juha. 2016. In Vivo Contrast-Enhanced Cone Beam CT Provides Quantitative Information on Articular Cartilage and Subchondral Bone. ANNALS OF BIOMEDICAL ENGINEERING [Epub ahead of print 19 Sept 2016]: 1-8. 2016
• Near Infrared Spectroscopic Mapping of Functional Properties of Equine Articular Cartilage Sarin Jaakko K, Amissah Michael, Brommer Harold, Argüelles David, Töyräs Juha, Afara Isaac O. 2016. Near Infrared Spectroscopic Mapping of Functional Properties of Equine Articular Cartilage. ANNALS OF BIOMEDICAL ENGINEERING 44 11: 3335-3345. 2016
• Semi-automated International Cartilage Repair Society scoring of equine articular cartilage lesions in optical coherence tomography images Te Moller NC, Pitkänen M, Sarin JK, Väänänen S, Liukkonen J, Afara IO, Puhakka PH, Brommer H, Niemelä T, Tulamo RM, Arqüelles Capilla D, Töyräs J. 2016. Semi-automated International Cartilage Repair Society scoring of equine articular cartilage lesions in optical coherence tomography images. EQUINE VETERINARY JOURNAL [Epub ahead of print 20 Oct 2016]: -. 2016
• Structure-function relationships of human meniscus Danso EK, Oinas JM, Saarakkala S, Mikkonen S, Töyräs J, Korhonen RK. 2016. Structure-function relationships of human meniscus. Journal of the Mechanical Behavior of Biomedical Materials 67 March 2017: 51-60. 2016
• Vibrational spectroscopy of articular cartilage Rieppo Lassi, Töyräs Juha, Saarakkala Simo. 2016. Vibrational spectroscopy of articular cartilage. Applied Spectroscopy Reviews [Published online 23 Aug 2016]: 1-18. 2016
• Articular cartilage repair with recombinant human type II collagen/polylactide scaffold in a preliminary porcine study Muhonen Virpi, Salonius Eve, Haaparanta Anne-Marie, Järvinen Elina, Paatela Teemu, Meller Anna, Hannula Markus, Björkman Mimmi, Pyhältö Tuomo, Ellä Ville, Vasara Anna, Töyräs Juha, Kellomäki Minna, Kiviranta Ilkka. 2015. Articular cartilage repair with recombinant human type II collagen/polylactide scaffold in a preliminary porcine study. JOURNAL OF ORTHOPAEDIC RESEARCH 2016; 34 5: 745-753. 2015
• Characterization of site-specific biomechanical properties of human meniscus-Importance of collagen and fluid on mechanical nonlinearities Danso EK, Mäkelä JTA, Tanska P, Mononen ME, Honkanen JTJ, Jurvelin JS, Töyräs J, Julkunen P, Korhonen RK. 2015. Characterization of site-specific biomechanical properties of human meniscus-Importance of collagen and fluid on mechanical nonlinearities. JOURNAL OF BIOMECHANICS 48 8: 1499-1507. 2015
• Comparison of subchondral bone density and structure of tibia measured from plain radiograph with micro-computed tomography Hirvasniemi J., Kokkonen H. T., Thevenot J., Finnilä M., Venäläinen M. S., Jämsä T., Korhonen R. K., Töyräs J., Saarakkala S.. 2015. Comparison of subchondral bone density and structure of tibia measured from plain radiograph with micro-computed tomography. OSTEOARTHRITIS AND CARTILAGE 23: A234-A235. 2015
• Contrast Enhanced Imaging of Human Meniscus Using Cone Beam CT Honkanen JTJ, Danso EK, Suomalainen JS, Tiitu V, Korhonen RK, Jurvelin JS, Töyräs J. 2015. Contrast Enhanced Imaging of Human Meniscus Using Cone Beam CT. OSTEOARTHRITIS AND CARTILAGE 23 8: 1367-1376. 2015
• Correlation of Subchondral Bone Density and Structure from Plain Radiographs with Micro Computed Tomography Ex Vivo Hirvasniemi Jukka, Thevenot Jérôme, Kokkonen Harri T, Finnilä Mikko A, Venäläinen Mikko S, Jämsä Timo, Korhonen Rami K, Töyräs Juha, Saarakkala Simo. 2015. Correlation of Subchondral Bone Density and Structure from Plain Radiographs with Micro Computed Tomography Ex Vivo. ANNALS OF BIOMEDICAL ENGINEERING 44: 1698. 2015
• Diagnosis of Knee Osteochondral Lesions With Ultrasound Imaging Penttilä Pekko, Liukkonen Jukka, Joukainen Antti, Virén Tuomas, Jurvelin Jukka S, Töyräs Juha, Kröger Heikki. 2015. Diagnosis of Knee Osteochondral Lesions With Ultrasound Imaging. Arthroscopy Techniques 4 5: e429-e433. 2015
• Effect of decellularization on the load-bearing characteristics of articular cartilage matrix Singh Sanjleena, Afara Isaac O, Tehrani Ashkan H, Oloyede Adekunle. 2015. Effect of decellularization on the load-bearing characteristics of articular cartilage matrix. Tissue Engineering and Regenerative Medicine 12 5: 294-305. 2015
• Estimation of articular cartilage properties using multivariate analysis of optical coherence tomography signal Puhakka PH, Te Moller NC, Afara IO, Mäkelä JT, Tiitu V, Korhonen RK, Brommer H, Virén T, Jurvelin JS, Töyräs J. 2015. Estimation of articular cartilage properties using multivariate analysis of optical coherence tomography signal. OSTEOARTHRITIS AND CARTILAGE 23 12: 2206-2213. 2015
• In Vivo Evaluation of the Potential of High-Frequency Ultrasound for Arthroscopic Examination of the Shoulder Joint Puhakka Jani, Afara Isaac O, Paatela Teemu, Sormaala Markus J, Timonen Matti A, Virén Tuomas, Jurvelin Jukka S, Töyräs Juha, Kiviranta Ilkka. 2015. In Vivo Evaluation of the Potential of High-Frequency Ultrasound for Arthroscopic Examination of the Shoulder Joint. Cartilage 2016; 7 3: 248-255. 2015
• Optical absorption spectra of human articular cartilage correlate with biomechanical properties, histological score and biochemical composition Afara Isaac O, Hauta-Kasari Markku, Jurvelin Jukka S, Oloyede Adekunle, Töyräs Juha. 2015. Optical absorption spectra of human articular cartilage correlate with biomechanical properties, histological score and biochemical composition. PHYSIOLOGICAL MEASUREMENT 36 9: 1913-1928. 2015
• Optical spectroscopic determination of human meniscus composition Ala-Myllymäki Juho, Honkanen Juuso TJ, Töyräs Juha, Afara Isaac O. 2015. Optical spectroscopic determination of human meniscus composition. JOURNAL OF ORTHOPAEDIC RESEARCH 2016; 34 2: 270-278. 2015
• Quantitative evaluation of knee subchondral bone mineral density using cone beam computed tomography Turunen Mikael J, Töyräs Juha, Kokkonen Harri T, Jurvelin Jukka S. 2015. Quantitative evaluation of knee subchondral bone mineral density using cone beam computed tomography. IEEE TRANSACTIONS ON MEDICAL IMAGING 34 10: 2186-2190. 2015
• Spatial mapping of proteoglycan content in articular cartilage using near-infrared (NIR) spectroscopy Afara Isaac O, Moody Hayley, Singh Sanjleena, Prasadam Indira, Oloyede Adekunle. 2015. Spatial mapping of proteoglycan content in articular cartilage using near-infrared (NIR) spectroscopy. Biomedical Optics Express 6 1: 144-154. 2015
• Application of optical coherence tomography enhances reproducibility of arthroscopic evaluation of equine joints Niemelä Tytti, Virén Tuomas, Liukkonen Jukka, Argüelles David, te Moller Nikae CR, Puhakka Pia H, Jurvelin Jukka S, Tulamo Riitta-Mari, Töyräs Juha. 2014. Application of optical coherence tomography enhances reproducibility of arthroscopic evaluation of equine joints. ACTA VETERINARIA SCANDINAVICA 56 3: -. 2014
• Collagen and chondrocyte concentrations control ultrasound scattering in agarose scaffolds Inkinen Satu, Liukkonen Jukka, Ylärinne Janne, Puhakka Pia, Lammi Mikko, Virén Tuomas, Jurvelin Jukka, Töyräs Juha. 2014. Collagen and chondrocyte concentrations control ultrasound scattering in agarose scaffolds. ULTRASOUND IN MEDICINE AND BIOLOGY 40 9: 2162-2171. 2014
• Nondestructive fluorescence-based quantification of threose-induced collagen cross-linking in bovine articular cartilage Kinnunen Jussi, Kokkonen Harri T, Kovanen Vuokko, Hauta-Kasari Markku, Vahimaa Pasi, Lammi Mikko J, Töyräs Juha, Jurvelin Jukka S. 2012. Nondestructive fluorescence-based quantification of threose-induced collagen cross-linking in bovine articular cartilage. Journal of Biomedical Optics 17 9: 97003. 2012
• Arthroscopic Ultrasound Assessment of Articular Cartilage in the Human Knee Joint Kaleva Erna, Viren Tuomas, Saarakkala Simo, Sahlman Janne, Sirola Joonas, Puhakka Jani, Paatela Teemu, Kröger Heikki, Kiviranta Ilkka, Jurvelin Jukka, Töyräs Juha. 2011. Arthroscopic Ultrasound Assessment of Articular Cartilage in the Human Knee Joint Cartilage 2 3: 246-253. 2011
• Collagen cross-link modified fluorescence excitation-emission matrix of articular cartilage Kinnunen Jussi, Hauta-Kasari Markku, Kokkonen Harri, Vahimaa Pasi, Lammi Mikko, Töyräs Juha, Jurvelin Jukka. 2011. Collagen cross-link modified fluorescence excitation-emission matrix of articular cartilage: N/A, Topical problems of biophotonics -2011, proceedings. 59-60. 2011
• Multispectral imaging system for fast acquisition of spatial distribution of reflectance spectra Laure Fauch, Victor Teplov, Ervin Nippolainen, Alexei A. Kamshilin. 2010. Multispectral imaging system for fast acquisition of spatial distribution of reflectance spectra. Pacific Science Review 12 1: 45. 2010
• Fabrication and testing of polyimide-based microelectrode arrays for cortical mapping of evoked potentials Myllymaa S, Myllymaa K, Korhonen H, Töyräs J, Jääskeläinen JE, Djupsund K, Tanila H, Lappalainen R. 2009. Fabrication and testing of polyimide-based microelectrode arrays for cortical mapping of evoked potentials BIOSENSORS AND BIOELECTRONICS 24: 3067-3072. 2009
• Fast acquisition of reflectance spectra using wide spectral lines Fauch L, Teplov V, Nippolainen E, Kamshilin A. 2009. Fast acquisition of reflectance spectra using wide spectral lines. OPTICAL REVIEW 16 4: 472-475. 2009
• Minimally invasive ultrasound method for intra-articular diagnostics of cartilage degeneration Viren T, Saarakkala S, Kaleva E, Nieminen HJ, Jurvelin JS, Töyräs J. 2009. Minimally invasive ultrasound method for intra-articular diagnostics of cartilage degeneration. ULTRASOUND IN MEDICINE AND BIOLOGY 35 9: 1546-1554. 2009
• In-vitro comparison of time-domain, frequency-domain and wavelet ultrasound parameters in diagnostics of cartilage degeneration Kaleva E, Saarakkala S, Töyräs J, Nieminen HJ, Jurvelin JS. 2008. In-vitro comparison of time-domain, frequency-domain and wavelet ultrasound parameters in diagnostics of cartilage degeneration. ULTRASOUND IN MEDICINE AND BIOLOGY 34: 155-159. 2008
• Indentation diagnostics of cartilage degeneration Kiviranta P, Lammentausta E, Töyräs J, Kiviranta I, Jurvelin JS. 2008. Indentation diagnostics of cartilage degeneration. OSTEOARTHRITIS AND CARTILAGE 16: 796-804. 2008
• Prediction of density and mechanical properties of human trabecular bone in vitro by using ultrasound transmission and backscattering measurements at 0.2-6.7 MHz frequency range Hakulinen MA, Day JS, Töyräs J, Timonen M, Kröger H, Weinans H, Kiviranta I, Jurvelin JS, Kröger H. 2005. Prediction of density and mechanical properties of human trabecular bone in vitro by using ultrasound transmission and backscattering measurements at 0.2-6.7 MHz frequency range. PHYSICS IN MEDICINE AND BIOLOGY 50: 1629-1642. 2005
• Prediction of mechanical properties of human trabecular bone by electrical measurements Sierpowska J, Hakulinen MA, Töyräs J, Day JS, Weinans H, Jurvelin JS, Lappalainen R. 2005. Prediction of mechanical properties of human trabecular bone by electrical measurements. PHYSIOLOGICAL MEASUREMENT 26: S119-S131. 2005
• Ability of ultrasound backscattering to predict mechanical properties of bovine trabecular bone Hakulinen MA, Töyräs J, Saarakkala S, Hirvonen J, Kröger H, Jurvelin JS, Kröger H. 2004. Ability of ultrasound backscattering to predict mechanical properties of bovine trabecular bone. ULTRASOUND IN MEDICINE AND BIOLOGY 30 7: 919-927. 2004
• Mechano-acoustic determination of Young's moduls of articular cartilage Saarakkala S, Korhonen RK, Laasanen MS, Töyräs J, Rieppo J, Jurvelin JS. 2004. Mechano-acoustic determination of Young's moduls of articular cartilage BIORHEOLOGY 41: 167-179. 2004
• Prediction of biomechanical properties of articular cartilage with quantitative magnetic resonance imaging Nieminen MT, Töyräs J, Laasanen MS, Silvennoinen J, Helminen HJ, Jurvelin JS. 2004. Prediction of biomechanical properties of articular cartilage with quantitative magnetic resonance imaging. JOURNAL OF BIOMECHANICS 37: 321-328. 2004
• Proteoglycan and collagen sensitive MRI evaluation of normal and degenerated articular cartilage Nissi MJ, Töyräs J, Laasanen MS, Rieppo J, Saarakkala S, Lappalainen R, Jurvelin JS, Nieminen MT. 2004. Proteoglycan and collagen sensitive MRI evaluation of normal and degenerated articular cartilage. JOURNAL OF ORTHOPAEDIC RESEARCH 22: 557-564. 2004
• Ultrasonic quantitation of superficial degradation of articular cartilage Saarakkala S, Töyräs J, Hirvonen J, Laasanen MS, Lappalainen R, Jurvelin JS. 2004. Ultrasonic quantitation of superficial degradation of articular cartilage. ULTRASOUND IN MEDICINE AND BIOLOGY 30 6: 783-792. 2004
• Ultrasound attenuation in normal and spontaneously degenerated articular cartilage Nieminen HJ, Saarakkala S, Laasanen MS, Hirvonen J, Jurvelin JS, Töyräs J. 2004. Ultrasound attenuation in normal and spontaneously degenerated articular cartilage ULTRASOUND IN MEDICINE AND BIOLOGY 30 4: 493-500. 2004
• Undersulfated chondroitin sulfate does not increase in osteoarthritic cartilage Lammi MJ, Qu C-J, Laasanen MS, Saarakkala S, Rieppo J, Jurvelin JS, Töyräs J. 2004. Undersulfated chondroitin sulfate does not increase in osteoarthritic cartilage. JOURNAL OF RHEUMATOLOGY 31: 2449-2453. 2004
• Biomechanical properties of knee articular cartilage Laasanen MS, Töyräs J, Korhonen RK, Rieppo J, Saarakkala S, Nieminen MT, Hirvonen J, Jurvelin JS. 2003. Biomechanical properties of knee articular cartilage. BIORHEOLOGY 40: 133-140. 2003
• Experimental and numerical validation for the novel configuration of an arthroscopic indentation instrument Korhonen RK, Saarakkala S, Töyräs J, Laasanen MS, Kiviranta I, Jurvelin JS. 2003. Experimental and numerical validation for the novel configuration of an arthroscopic indentation instrument PHYSICS IN MEDICINE AND BIOLOGY 48: 1565-1576. 2003
• Fibril reinforced poroelastic model predicts specifically mechanical behavior of normal, proteoglycan depleted and collagen degraded articular cartilage Korhonen RK, Laasanen MS, Töyräs J, Lappalainen R, Helminen HJ, Jurvelin JS. 2003. Fibril reinforced poroelastic model predicts specifically mechanical behavior of normal, proteoglycan depleted and collagen degraded articular cartilage. JOURNAL OF BIOMECHANICS 36: 1373-1379. 2003
• Mechano-acoustic diagnosis of cartilage degeneration and repair Laasanen MS, Töyräs J, Vasara AI, Hyttinen MM, Saarakkala S, Hirvonen J, Jurvelin JS, Kiviranta I. 2003. Mechano-acoustic diagnosis of cartilage degeneration and repair JOURNAL OF BONE AND JOINT SURGERY (AM) SUPPLEMENT 85-A 2: 78-84. 2003
• Speed of sound in normal and degenerated bovine articular cartilage Töyräs J, Laasanen MS, Saarakkala S, Lammi MJ, Rieppo J, Kurkijärvi J, Lappalainen R, Jurvelin JS. 2003. Speed of sound in normal and degenerated bovine articular cartilage. ULTRASOUND IN MEDICINE AND BIOLOGY 29 3: 447-454. 2003
• Structure-function relationships in enzymatically modified articular cartilage Rieppo J, Töyräs J, Nieminen MT, Kovanen V, Hyttinen MM, Korhonen RK, Jurvelin JS, Helminen HJ. 2003. Structure-function relationships in enzymatically modified articular cartilage. CELLS TISSUES ORGANS 175: 121-132. 2003
• Ultrasound indentation of bovine knee articular cartilage in situ Laasanen MS, Saarakkala S, Töyräs J, Hirvonen J, Rieppo J, Korhonen RK, Jurvelin JS. 2003. Ultrasound indentation of bovine knee articular cartilage in situ. JOURNAL OF BIOMECHANICS 36: 1259-1267. 2003
• Ultrasound indentation of normal and spontaneously degenerated bovine articular cartilage Saarakkala S, Laasanen MS, Jurvelin JS, Törrönen K, Lammi MJ, Lappalainen R, Töyräs J. 2003. Ultrasound indentation of normal and spontaneously degenerated bovine articular cartilage. OSTEOARTHRITIS AND CARTILAGE 11: 697-705. 2003
• Bone mineral density, ultrasound velocity, and broadband attenuation predict mechanical properties of trabecular bone differently Töyräs J, Nieminen MT, Kröger H, Jurvelin JS. 2002. Bone mineral density, ultrasound velocity, and broadband attenuation predict mechanical properties of trabecular bone differently. BONE 31 4: 503-507. 2002
• Comparison of the equilibrium response of articular cartilage in unconfined compression, confined compression and indentation Korhonen RK, Laasanen MS, Töyräs J, Rieppo J, Hirvonen J, Helminen HJ, Jurvelin JS. 2002. Comparison of the equilibrium response of articular cartilage in unconfined compression, confined compression and indentation. JOURNAL OF BIOMECHANICS 35: 903-909. 2002
• Novel mechano-acoustic technigue and instrument for diagnosis of cartilage degeneration Laasanen MS, Töyräs J, Hirvonen J, Saarakkala S, Korhonen RK, Nieminen MT, Kiviranta I, Jurvelin JS. 2002. Novel mechano-acoustic technigue and instrument for diagnosis of cartilage degeneration. PHYSIOLOGICAL MEASUREMENT 23: 491-503. 2002
• Real-time ultrasound analysis of articular cartilage degradation in vitro Nieminen HJ, Töyräs J, Rieppo J, Nieminen MT, Hirvonen J, Korhonen R, Jurvelin JS. 2002. Real-time ultrasound analysis of articular cartilage degradation in vitro ULTRASOUND IN MEDICINE AND BIOLOGY 28 4: 519-525. 2002
• Spatial assessment of articular cartilage proteoglycans with Gd-DTPA-enhanced T1 imaging Nieminen MT, Rieppo J, Silvennoinen J, Töyräs J, Hakumäki JM, Hyttinen MM, Helminen HJ, Jurvelin JS. 2002. Spatial assessment of articular cartilage proteoglycans with Gd-DTPA-enhanced T1 imaging. MAGNETIC RESONANCE IN MEDICINE 48: 640-648. 2002
• Ultrasonic characterization of articular cartilage Töyräs J, Nieminen HJ, Laasanen MS, Nieminen MT, Korhonen RK, Rieppo J, Hirvonen J, Helminen HJ, Jurvelin JS. 2002. Ultrasonic characterization of articular cartilage. BIORHEOLOGY 39 1,2: 161-169. 2002
• Development of arthroscopic indentation technique for the diagnosis of cartilage degeneration Lyyra-Laitinen T, Töyräs J, Kiviranta I, Jurvelin JS. 2001. Development of arthroscopic indentation technique for the diagnosis of cartilage degeneration: Kotila S, Haataja J, CSC Report on Scientific Computing 1999-2000.CSC - Scientific Computing. 181-184. 2001
• Estimation of the Young's modulus of articular cartilage using an arthroscopic indentation instrument and ultrasonic measurement of tissue thickness Töyräs J, Lyyra-Laitinen T, Niinimäki M, Lindgren R, Nieminen MT, Kiviranta I, Jurvelin JS. 2001. Estimation of the Young's modulus of articular cartilage using an arthroscopic indentation instrument and ultrasonic measurement of tissue thickness. JOURNAL OF BIOMECHANICS 34: 251-256. 2001
• Mechano-Acoustic Characterization of Articular Cartilage and Trabecular Bone Töyräs J. 2001. Mechano-Acoustic Characterization of Articular Cartilage and Trabecular Bone. Kuopion yliopiston julkaisuja C. Luonnontieteet ja ympäristötieteet. 2001
• T2 Relaxation reveals spatial collagen architecture in articular cartilage: a comparative quantitative MRI and polarized light microscopic study Nieminen MT, Rieppo J, Töyräs J, Hakumäki JM, Silvennoinen J, Hyttinen MM, Helminen HJ, Jurvelin JS. 2001. T2 Relaxation reveals spatial collagen architecture in articular cartilage: a comparative quantitative MRI and polarized light microscopic study. MAGNETIC RESONANCE IN MEDICINE 46: 487-493. 2001
• Quantitative MR microscopy of enzymatically degraded articular cartilage Nieminen MT, Töyräs J, Rieppo J, Hakumäki JM, Silvennoinen J, Helminen HJ, Jurvelin JS. 2000. Quantitative MR microscopy of enzymatically degraded articular cartilage. MAGNETIC RESONANCE IN MEDICINE 43: 676-681. 2000
• Bone properties as estimated by mineral density, ultrasound attenuation, and velocity Töyräs J, Kröger H, Jurvelin JS. 1999. Bone properties as estimated by mineral density, ultrasound attenuation, and velocity BONE 25 6: 725-731. 1999
• Characterization of enzymatically induced degradation of articular cartilage using high frequency ultrasound Töyräs J, Rieppo J, Nieminen MT, Helminen HJ, Jurvelin JS. 1999. Characterization of enzymatically induced degradation of articular cartilage using high frequency ultrasound PHYSICS IN MEDICINE AND BIOLOGY 44: 2723-2733. 1999
• Optimization of the arthroscopic indentation instrument for the measurement of thin cartilage stiffness Lyyra-Laitinen T, Niinimäki M, Töyräs J, Lindgren R, Kiviranta I, Jurvelin JS. 1999. Optimization of the arthroscopic indentation instrument for the measurement of thin cartilage stiffness. PHYSICS IN MEDICINE AND BIOLOGY 44: 2511-2524. 1999