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Laboratory engineer

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Janne Petri Karjalainen, Ph.D.
Post doctoral researcher

Personal information

  • Phone: +358 40 3552343
  • Room: Me/360
  • Email: janne.karjalainen[at] (please fix the address before mailing!)

  • Current research interests: Ultrasound characterisation of bone, Osteoporosis diagnostics

  • Education:
    • Ph.D., Medical physics, University of Eastern Finland, 2011
    • M.Sc., Medical engineering, University of Oulu, 2007

  • Language proficiency:
    • Finnish, native language
    • English, fluent
    • Swedish, good

  • Skills: Image and signal processing, Matlab, C.

  • Hobbies: Music (Guitar playing and building), various sports.


(full papers, conference proceedings)
  1. Karjalainen JP, Riekkinen O,Töyräs J, Hakulinen M, Kröger H, Rikkonen T, Salovaara K, Jurvelin J, Multi-site Bone Ultrasound Measurements in Elderly Women with and without Previous Hip Fractures Osteoporos Int, Epub: Jun 9, 2011.

  2. Malo M, Karjalainen JP, Riekkinen O, Isaksson H, Jurvelin J, Töyräs J, Effects of non-optimal focusing on dual-frequency ultrasound measurements of bone IEEE Trans Ultrason Ferroelectr Freq Control, 58(6): 1182-8, 2011.

  3. Timonen M, Töyräs J, Aula A, Karjalainen JP, Riekkinen O, Jurvelin J, Technical and practical improvements in arthroscopic indentation technique for diagnostics of articular cartilage softening J Med Eng Technol, 35(1): 40-6, 2011.

  4. Malo M., Karjalainen J.P., Isaksson H, Riekkinen O, Jurvelin J, Töyräs J, Numerical analysis of uncertainties in dual frequency bone ultrasound technique Ultrasound Med Biol, 36(2): 288-94, 2010.

  5. Karjalainen JP, Töyräs J, Riekkinen O, Hakulinen M, Jurvelin J, Ultrasound backscatter imaging provides frequency dependent information on structure, composition and mechanical properties of human trabecular bone Ultrasound Med Biol, 35(8):1376-84, 2009.

  6. Karjalainen J, Riekkinen O, Töyräs J, Kröger H, Jurvelin J, Recent developments and future prospects in bone ultrasound diagnostics European Musculoskeletal Review, 3(2):87-89, 2008.

  7. Karjalainen J, Töyräs J, Rikkonen T, Jurvelin J, Riekkinen O, Dual-frequency ultrasound technique minimizes errors induced by soft tissue in ultrasound bone densitometry Acta Radiol, 49(9):1038-41, 2008.

  8. Karjalainen J, Riekkinen O, Töyräs J, Kröger H, Jurvelin J, Ultrasonic assessment of cortical bone thickness in vitro and in vivo IEEE Trans Ultrason Ferroelectr Freq Control, 55(10):2191-7, 2008.

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  11. author1, author2, author3, author4 and you, Title of your abstract. Conference, Location, Year.

Contact: +358 29 4451111 (Switch), email: bbc-l [at]