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J

Juha Töyräs

the university of queensland

58H-index
459Paper Count
1.2WCitation Count
Published Papers 177
Publication Date
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The Relative Contributions of Arousal Presence and Arousal Intensity to Post-Respiratory-Event Ventilation in Obstructive Sleep Apnea
errJournal of Sleep Research
IF3.9
err2026-08-20
err0
errOAAI
errJunyan Zhang; Dwayne Mann; Timo Leppänen; Ali Azarbarzin; Scott Sands; Juha Töyräs; Philip Terrill
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Prediction of Articular Cartilage Markers With Multispectral Imaging
errIEEE Transactions on Medical Imaging
IF9.8
err2026-06-12
err0
errOAAI
errEloi Canals Pascual; Hamidreza Masjedi; Akuroma Tolvanen; Petri Paakkari; Miika Kiema; Arash Mirhashemi; Ervin Nippolainen; Johanna P. Laakkonen; Juha Töyräs; Isaac O. Afara
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Electromyography Frequency Spectrum Is a Better Indicator of Sleep Bruxism Severity Related to Temporomandibular Disorder Pain Than Conventional Masticatory Muscle Activation and Bruxism Time Indices—A Pilot Study
errJournal of Sleep Research
IF3.9
err2026-01-25
err0
errOAAI
errMinna Pitkänen; Miro Rytkönen; Tomi Miettinen; Jari Ahlberg; Frank Lobbezoo; Katja Myllymaa; Juha Töyräs; Timo Leppänen; Sami Myllymaa
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Association of major adverse cardiovascular events with the apnea-hypopnea index, desaturation severity parameters, and cardiac troponins in participants of the Akershus Sleep APnea (ASAP) cohort
errSleep
IF4.9
err2026-01-23
err0
errOAAI
errXin Feng; Fjola Sigurdardottir; Erna Sif Arnardottir; Toril Dammen; Gunnar Einvik; Henri Korkalainen; Ole Klungsøyr; Timo Leppänen; Inger Hilde Nordhus; Sami Nikkonen; Juha Töyräs; Thea Thorshov; Tonje Caroline Øverby; Torbjørn Omland; Harald Hrubos-Strøm
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Ultrasmall Surface-Charge-Modified Tantalum Oxide Nanoparticles for the Assessment of Articular Cartilage Using Contrast-Enhanced Computed Tomography
errACS NANO
IF16
err2026-01-01
err0
PREAI
errJantti, Jiri; Tuppurainen, Juuso; Joenathan, Anisha; Leskinen, Henri P. P.; Cagnoni, Annunzia M.; Mertano, Heta; Poimala, Milka; Nippolainen, Ervin; Afara, Isaac O.; Honkanen, Juuso T. J.; Matikka, Hanna; Toyras, Juha; Snyder, Brian D.; Stok, Kathryn S.; Nelson, Brad B.; Grinstaff, Mark W.; Makela, Janne T. A.
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Hypoxemia and arousals modulate cardiac responses to respiratory events in obstructive sleep apnea
errSLEEP
IF4.9
err2025-12-01
err0
errOAAI
errEbrahimian, Serajeddin; Sillanmaki, Saara; Rissanen, Marika; Staykov, Eric; Kulkas, Antti; Toyras, Juha; Bailon, Raquel; Grote, Ludger; Bonsignore, Maria R.; Baumert, Mathias; Somers, Virend K.; Terrill, Philip; Leppanen, Timo; Kainulainen, Samu
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Engineering biomimetic zonal properties in fibre-reinforced hydrogels for functional cartilage tissue engineering in vitro
errMaterials Today Bio
IF10.2
err2025-11-11
err0
errOAAI
errStephen Pahoff; Angus Weekes; Heta Mertano; Johannes J. Braig; Michael W.M. Jones; Anton Maksimenko; Janne T.A. Mäkelä; Petri Tanska; Rami K. Korhonen; Juha Töyräs; Dietmar W. Hutmacher; Travis J. Klein; Christoph Meinert
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The human patellar tendon is mechanically homogenous at its mid-substance
errJOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
IF3.5
err2025-03-01
err0
errOAAI
errKositsky, Adam; Stenroth, Lauri; Nippolainen, Ervin; Torniainen, Jari; Makela, Janne T. A.; Paakkari, Petri; Paakkonen, Tommi; Kroger, Heikki; Toyras, Juha; Afara, Isaac O.; Korhonen, Rami K.
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Dual-Contrast Agent with Nanoparticle and Molecular Components in Photon-Counting Computed Tomography: Assessing Articular Cartilage Health
errANNALS OF BIOMEDICAL ENGINEERING
IF5.4
err2025-03-01
err0
errOAAI
errPaakkari, Petri; Inkinen, Satu I.; Jantti, Jiri; Tuppurainen, Juuso; Fugazzola, Maria C.; Joenathan, Anisha; Ylisiurua, Sampo; Nieminen, Miika T.; Kroger, Heikki; Mikkonen, Santtu; van Weeren, Rene; Snyder, Brian D.; Toyras, Juha; Honkanen, Miitu K. M.; Matikka, Hanna; Grinstaff, Mark W.; Honkanen, Juuso T. J.; Makela, Janne T. A.
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Arousal burden is highest in supine sleeping position and during light sleep
errJOURNAL OF CLINICAL SLEEP MEDICINE
IF2.9
err2025-02-01
err0
PREAI
errPitkanen, Minna; Huovinen, Juho; Rissanen, Marika; Pitkanen, Henna; Kainulainen, Samu; Penzel, Thomas; Fanfulla, Francesco; Anttalainen, Ulla; Saaresranta, Tarja; Grote, Ludger; Hedner, Jan; Staats, Richard; Duce, Brett; Toyras, Juha; Oksenberg, Arie; Leppanen, Timo
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errSave
Nocturnal short-term heart rate variability reflects impaired daytime vigilance better than overnight heart rate variability in suspected obstructive sleep apnea patients
errSLEEP
IF4.9
err2024-12-13
err0
errOAAI
errHietakoste, Salla; Karhu, Tuomas; Lombardi, Carolina; Armanac-Julian, Pablo; Bailon, Raquel; Duce, Brett; Sillanmaki, Saara; Toyras, Juha; Leppanen, Timo; Myllymaa, Sami; Kainulainen, Samu
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Photon-counting in dual-contrast-enhanced computed tomography: a proof-of-concept quantitative biomechanical assessment of articular cartilage
errSCIENTIFIC REPORTS
IF3.9
err2024-12-02
err0
errOAAI
errPaakkari, Petri; Inkinen, Satu I.; Mohammadi, Ali; Nieminen, Miika T.; Joenathan, Anisha; Grinstaff, Mark W.; Toyras, Juha; Makela, Janne T. A.; Honkanen, Juuso T. J.
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errSave
Temporal and sleep stage-dependent agreement in manual scoring of respiratory events
errJOURNAL OF SLEEP RESEARCH
IF3.9
err2024-11-04
err0
errOAAI
errPitkanen, Minna; Pitkanen, Henna; Nath, Rajdeep Kumar; Nikkonen, Sami; Kainulainen, Samu; Korkalainen, Henri; Olafsdottir, Kristin Anna; Arnardottir, Erna Sif; Sigurdardottir, Sigridur; Penzel, Thomas; Fanfulla, Francesco; Anttalainen, Ulla; Saaresranta, Tarja; Grote, Ludger; Hedner, Jan; Staats, Richard; Toyras, Juha; Leppanen, Timo
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errSave
Retrospective validation of automatic sleep analysis with grey areas model for human-in-the-loop scoring approach
errJOURNAL OF SLEEP RESEARCH
IF3.9
err2024-10-23
err0
errOAAI
errRusanen, Matias; Jouan, Gabriel; Huttunen, Riku; Nikkonen, Sami; Sigurdardottir, Sigridur; Toyras, Juha; Duce, Brett; Myllymaa, Sami; Arnardottir, Erna Sif; Leppanen, Timo; Islind, Anna Sigridur; Kainulainen, Samu; Korkalainen, Henri
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Sleep stage continuity is associated with objective daytime sleepiness in patients with suspected obstructive sleep apnea
errJOURNAL OF CLINICAL SLEEP MEDICINE
IF2.9
err2024-10-01
err1
PREAI
errChen, Xin; Leppanen, Timo; Kainulainen, Samu; Howarth, Timothy P.; Oksenberg, Arie; Toyras, Juha; Terrill, Philip I.; Korkalainen, Henri
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errSave
Relationship between depth-wise refractive index and biomechanical properties of human articular cartilage
errJOURNAL OF BIOMEDICAL OPTICS
IF2.9
err2024-09-20
err0
errOAAI
errKhan, Bilour; Nippolainen, Ervin; Shahini, Fatemeh; Nonappa, Alexey; Popov, Alexey; Toyras, Juha; Afara, Isaac O.
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An excellent servant but a terrible master: Understanding the value of wearables for self-management in people with cystic fibrosis and their healthcare providers - A qualitative study
errINTERNATIONAL JOURNAL OF MEDICAL INFORMATICS
IF4.1
err2024-09-01
err0
errOAAI
errMattison, Graeme; Canfell, Oliver J.; Smith, Daniel; Forrester, Doug; Reid, David; Toyras, Juha; Dobbins, Chelsea
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Infrared Spectroscopy Can Differentiate Between Cartilage Injury Models: Implication for Assessment of Cartilage Integrity
errANNALS OF BIOMEDICAL ENGINEERING
IF5.4
err2024-06-20
err0
errOAAI
errShahini, Fatemeh; Oskouei, Soroush; Nippolainen, Ervin; Mohammadi, Ali; Sarin, Jaakko K.; te Moller, Nikae C. R.; Brommer, Harold; Shaikh, Rubina; Korhonen, Rami K.; van Weeren, P. Rene; Toeyraes, Juha; Afara, Isaac O.
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errSave
Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study
errSLEEP
IF4.9
err2024-03-21
err0
errOAAI
errStaykov, Eric; Mann, Dwayne L.; Leppaenen, Timo; Toeyraes, Juha; Kainulainen, Samu; Azarbarzin, Ali; Duce, Brett; Sands, Scott A.; Terrill, Philip, I
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Cationic tantalum oxide nanoparticle contrast agent for micro computed tomography reveals articular cartilage proteoglycan distribution and collagen architecture alterations
errOSTEOARTHRITIS AND CARTILAGE
IF9
err2024-03-01
err3
errOAAI
errJantti, Jiri; Joenathan, Anisha; Fugazzola, Maria; Tuppurainen, Juuso; Honkanen, Juuso T. J.; Toyras, Juha; van Weeren, Rene; Snyder, Brian D.; Grinstaff, Mark W.; Matikka, Hanna; Makela, Janne T. A.
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Research Directions

No research directions
Co-authors
Cooperation Journals
J
Juhani Knuuti
H-index: 128 · Papers: 1.2K
S
Seppo Ylä‐Herttuala
H-index: 127 · Papers: 1.1K
H
Harrie Weinans
H-index: 93 · Papers: 675
W
Walter Herzog
H-index: 91 · Papers: 1.3K
M
Mark W. Grinstaff
H-index: 88 · Papers: 615
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