Professor Juha Toyras

Professor in Biomedical Engineering

School of Information Technology and Electrical Engineering
Faculty of Engineering, Architecture and Information Technology


Juha Toyras is a Professor in Biomedical Engineering in the School of Information Technology and Electrical Engineering, The University of Queensland. He also holds positions of Professor and Chief Medical Physicist (University of Eastern Finland/Kuopio University Hospital). He has a PhD degree in the field of medical physics and his research is focused on medical devices and sensors, medical imaging, medical signal processing and connective tissue biomechanics. Since 2004, he has been the Vice/Co-Head of the Biophysics of Bone and Cartilage research group and Co-Head of the Sleep Technology and Analytics group since it was founded in January 2017 at the Department of Applied Physics, University of Eastern Finland. The groups are relatively large (three professors, c. 10 research fellows and c. 40 PhD students) and productive (>500 full papers and >50 PhD theses during the last 20 years). Professor Toyras holds research grants from various European sources.

He has published >250 peer-reviewed full scientific papers and numerous abstracts in international scientific meetings. In addition, he has completed supervision of 37 PhD students and number of MSc students. His papers have been cited over 9000 times and his Hirsch-index is 53 (Google Scholar). Currently, Professor Toyras supervises (The University of Queensland, University of Eastern Finland) >20 PhD-students and number of research fellows in various fields of biomedical engineering.

In addition to scientific publications and supervised academic theses, his work has led to patents and commercialization of scientific innovations. One example of this line of research is the development of a forehead EEG-electrode set for emergency medicine. The Bittium BrainStatus EEG-electrode set is patented, CE-approved and currently in global market ( Furthermore, supervision of the PhD theses of Ossi Riekkinen and Janne Karjalainen led to commercialization of basic research results as an FDA approved and Medicare covered instrument for ultrasound diagnostics of osteoporosis and a spin-off company: Bone Index Finland Oy.


  • Master of Science, Kuopio University
  • Certificate Medical Physicist, Kuopio University
  • Doctor of Philosophy, Kuopio University


View all Publications


  • Doctor Philosophy

View all Supervision


Book Chapter

  • Karjalainen, Janne P., Riekkinen, Ossi, Töyräs, Juha and Jurvelin, Jukka S. (2011). Linear acoustics of trabecular bone. Bone Quantitative Ultrasound. (pp. 265-289) Dordrecht: Springer Netherlands. doi: 10.1007/978-94-007-0017-8_10

Journal Article

Conference Publication

PhD and MPhil Supervision

Current Supervision

  • Doctor Philosophy — Principal Advisor

    Other advisors: