Bilde av Chang, Yu-Fen
Bilde av Chang, Yu-Fen
Department of Clinical Medicine yu-fen.chang@uit.no Tromsø

Chang, Yu-Fen


Head Engineer - Research and Innovation

Job description

Imaging physics and instrumentation, image reconstruction and processing, signal processing, IT systems, equipment (mechanical, electrical, optical, hydraulic, acoustic, etc.), programming, numerical simulation, Monte Carlo simulation, computational fluid dynamics (CFD) simulation, and websites (UiT, WordPress, GitHub, etc.)


  • Steven D. Mamet, Amy Jimmo, Alexandra J. Conway, Aram Teymurazyan, Alireza Talebitaher, Zisis Papandreou et al.:
    Soil Buffering Capacity Can Be Used To Optimize Biostimulation of Psychrotrophic Hydrocarbon Remediation
    Environmental Science and Technology 2021 ARKIV / DOI
  • Yu-Fen Chang, Boris Balakin :
    Novel Bio-compatible Tracers for Positron Emission Particle Tracking
    Journal of Physics: Conference Series (JPCS) 2020 ARKIV / DOI
  • Alex Christian Hoffmann, Åshild Skorpen Heggland, Yu-Fen Chang :
    Positron emission particle tracking and CFD investigation of hydrocyclones acting on liquids of varying viscosity
    Chemical Engineering Science (CES) 2019 DOI
  • Yu-Fen Chang, Kyle Thompson, Aram Teymurazyan, Steven D. Siciliano, Zisis Papandreou :
    Numerical investigation of a transformable modular PET system: Consideration of point-spread functions, module arrangements, and operation protocols
    AIP Conference Proceedings 2019 DOI
  • Yu-Fen Chang, Steven D. Siciliano, Steven Mamet, Alexandra J. Conway, Alixandra Schebel, Whitney Shannon et al.:
    Applying a Modular PET System to Investigate Bioremediation of Subsurface Contamination: A Proof-of-Principle Study
    Journal of Physics: Conference Series (JPCS) 2018 DOI
  • Boris Balakin, Tom Christian Holm Adamsen, Yu-Fen Chang, Pawel Jan Kosinski, Alex Christian Hoffmann :
    Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique.
    Journal of Physics: Conference Series (JPCS) 2017 ARKIV / DOI
  • Yu-Fen Chang, Alex Christian Hoffmann :
    A Lagrangian study of liquid flow in a reverse-flow hydrocyclone using positron emission particle tracking
    Experiments in Fluids 10. January 2015 ARKIV / DOI
  • Svein-Arne Marthinussen, Yu-Fen Chang, Boris V Balakin, Alex Christian Hoffmann :
    Removal of particles from highly viscous liquids with hydrocyclones
    Chemical Engineering Science (CES) 2014 DOI
  • Yu-Fen Chang, Tom Christian Adamsen, Gleb Pisarev, Alex Christian Hoffmann :
    PEPT: an invaluable tool for 3-D particle tracking and CFD simulation verification in hydrocyclone studies
    The European Physical Journal Conferences 2013 ARKIV / DOI
  • Yu-Fen Chang, Tom Christian Adamsen, Alex Christian Hoffmann :
    Using a PET Camera to Track Individual Phases in Process Equipment with High Temporal and Spatial Resolutions: Algorithm Development
    IEEE Instrumentation and Measurement Technology Conference. Proceedings 2012 FULLTEKST / DOI
  • Maryam Ghaffari, Yu-Fen Chang, Boris V Balakin, Alex Christian Hoffmann :
    CFD Modeling of PEPT Results of Particle Motion Trajectories in a Pipe over an Obstacle
    AIP Conference Proceedings 2012 DOI
  • Yu-Fen Chang, Gleb Pisarev, Alex Christian Hoffmann :
    Numerical Study of the "End of the Vortex" Phenomenon in a Hydrocyclone Separator
    AIP Conference Proceedings 2011 DOI
  • Yu-Fen Chang, Catalin Grigore Ilea, Øystein Lee Aasen, Alex Christian Hoffmann :
    Particle flow in a hydrocyclone investigated by positron emission particle tracking
    Chemical Engineering Science (CES) 2011 DOI
  • Yu-Fen Chang, Rune Sundset, Boris Balakin :
    Noninvasive flow visualization and investigation for developing and assessing urinary stents using positron emission particle tracking
    2021 DATA
  • Yu-Fen Chang, Boris Balakin :
    Novel bio-compatible tracers for Positron Emission Particle Tracking
    2020 ARKIV
  • Aram Teymurazyan, Alireza Talebitaher, Yu-Fen Chang, Zisis Papandreou, Christopher K. Yost :
    Development of a positron emission tomography (PET) detector (BioPET) for imaging and quantifying nutrient exchange between crop plants and N2 fixing bacteria
    2018
  • Steven D. Siciliano, Yu-Fen Chang, Alexandra J. Conway, Whitney Shannon, Steven Mamet, Bobbi Helgason et al.:
    It’s activity not growth: Quantifying milli-niches using positron emission tomography of psychrotrophic bioremediation in permafrost soils
    2018
  • Alireza Talebitaher, Yu-Fen Chang, Kyle Thompson, Zisis Papandreou, Steven Mamet, Steven D. Siciliano et al.:
    BioPET: Dedicated plant and soil microorganism positron emission tomography system
    2018
  • Kyle Thompson, Yu-Fen Chang, Alireza Talebitaher, Zisis Papandreou, Aram Teymurazyan :
    Simulated performance of a high resolution PET detector module with depth of interaction information
    2018
  • Yu-Fen Chang, Alireza Talebitaher, Kyle Thompson, Zisis Papandreou, Steven D. Siciliano, Aram Teymurazyan :
    Plant-Specific Modular PET: Data Processing with CASToR and Performance Evaluation
    2018
  • Yu-Fen Chang :
    Visualising multiphase flow in process equipment and biological structure using PEPT
    2017
  • Yu-Fen Chang, Alex Christian Hoffmann :
    Study of the flow in a hydrocyclone using positron emission particle tracking and computational fluid dynamics simulation
  • Boris Balakin, Tom Christian Holm Adamsen, Yu-Fen Chang, Pawel Jan Kosinski, Alex Christian Hoffmann :
    Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique
    2016
  • Svein-Arne Marthinussen, Yu-Fen Chang, Boris V Balakin, Lucie Addicks, Alex Christian Hoffmann :
    Hydrocyclones working on highly viscous liquids
    2013
  • Maryam Ghaffari, Yu-Fen Chang, Boris V Balakin, Alex Christian Hoffmann :
    Studying Particle Motion Trajectories in a Pipe over an Obstacle Using PEPT and CFD
    2012
  • Yu-Fen Chang, Åshild Skorpen, Alex Christian Hoffmann :
    Detecting anomalies in the separation process in a hydrocyclone using a medical PET scanner
    2012
  • Yu-Fen Chang, Tom Christian Adamsen, Alex Christian Hoffmann :
    Using a PET camera to track individual phases in process equipment with high temporal and spatial resolutions: Algorithm development
    2012
  • Yu-Fen Chang, Gleb Pisarev, Alex Christian Hoffmann :
    PEPT: an invaluable tool for 3-D particle tracking and CFD simulation verification in hydrocyclone studies
    2011
  • Yu-Fen Chang :
    Clean Sand Project
    2011
  • Yu-Fen Chang, Catalin Grigore Ilea, Øystein Lee Aasen, Alex Christian Hoffmann :
    Particle trajectories in a hydrocyclone measured by PEPT
    2011
  • Yu-Fen Chang, Alex Christian Hoffmann, Catalin Grigore Ilea, Øystein L. Aasen :
    Particle flow in a hydrocyclone investigated by radioactive particle tracking
    2010

  • The 50 latest publications is shown on this page. See all publications in Cristin here →

    Publications outside Cristin

    Scientific articles:

    1. Plant-specific modular PET: Data processing with CASToR and performance evaluation. Y.-F. Chang, A. Talebitaher, K. Thompson, Z. Papandreou, A. Teymurazyan, and S. Siciliano. 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC), pages 1–3, 2018. DOI
    2. BioPET: dedicated plant and soil micro-organism positron emission tomography system. A. Talebitaher, Y.-F. Chang, K. Thompson, Z. Papandreou, S. Mamet, S. D. Siciliano, S. J. Lee, J. E. McKisson, B. Kross, and A. Teymurazyan. The nuclear future : challenges and innovation. 38th Annual Canadian Nuclear Society Conference (ISBN: 978-1-926773-27-8). 2018. URL. DOI
    3. Simulated performance of a high resolution PET detector module with depth of interaction information. K. Thompson, Y.-F. Chang, A. Talebitaher, Z. Papandreou, and A. Teymurazyan. The nuclear future : challenges and innovation. 38th Annual Canadian Nuclear Society Conference (ISBN: 978-1-926773-27-8). 2018. URL
    4. Detecting anomalies in the separation process in a hydrocyclone using a medical PET scanner. Y.-F. Chang, Å. Skorpen, D. Fonnes, and A. C. Hoffmann. Proceedings of 6th International Symposium on Process Tomography. 2012. DOI
    5. Particle trajectories in a hydrocyclone measured by PEPT. Y.-F. Chang, C. G. Ilea, Ø. L. Aasen, and A. C. Hoffmann. FILTECH 2011 Proceedings (ISBN: 978-3941655010), vol. 1, pp. 173–180, 2011.
    6. Fabrication of high-aspect-ratio silicon nanopillar arrays with the conventional reactive ion etching technique. Y.-F. Chang, Q.-R. Chou, J.-Y. Lin, and C.-H. Lee. Applied Physics A: Materials Science & Processing, 86(2):193–196, 2007. DOI
    7. Ultraviolet curing imprint lithography on flexible indium tin oxide substrates. Y.-C. Chung, Y.-H. Chiu, H.-J. Liu, Y.-F. Chang, C.-Y. Cheng, and F.-C. Hong. Journal of Vacuum Science & Technology B, 24(3):1377–1383, 2006. DOI
    8. Optical measurement of the deformation of giant lipid vesicles driven by a micropipet electrode. C.-H. Lee, Y.-F. Chang, C.-H. Tsai, and P.-H. Wang. Langmuir, 21(16): 7186–7190, 2005. DOI

    Others (Conference presentations):

    1. Unusual dynamics of the liquid-solid-vapour interface during evaporation of the solution droplet of crystallisable molecules. A. Tracz, Y.-F. Chang and S. Masirek. 9th European Conference on Molecular Electronics (ECME-2007) (Metz, France).
    2. Optimized reactive ion etching process for the fabrication of high-aspect-ratio silicon nanopillar arrays. Y.-F. Chang, Q.-R. Chou, J.-Y. Lin, and C.-H. Lee. 10th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2006) (Tokyo, Japan)
    3. High-aspect-ratio silicon nanopillar arrays fabricated by oxygen-free reactive ion etching process. Y.-F. Chang, Q.-R. Chou, J.-Y. Lin, and C.-H. Lee. 2006 Annual Meeting of the Physical Society of Taiwan. DOI
    4. Membrane fluctuations of amultiple-domain lipid vesicle measured by differential confocal microscopy. Y.-F. Chang, Y.-R. Chen, and C.-H. Lee. Focus on Microscopy 2006 (Perth, Australia).
    5. Optical measurement of voltage-induced membrane movements of bilayer lipid vesicles. Y.-F. Chang, C.-H. Tsai, and C.-H. Lee. 2005 Annual Meeting of the Physical Society of Taiwan.


    Research interests

     

    Teaching

    • Nuclear imaging and reconstruction
    • PET correction and calibration

    Part of the course “HEL-8044 Preclinical imaging in nuclear medicine (2021)”



    CV

    2020 - 
    Associate Professor II
    Western Norway University of Applied Sciences (HVL)

    2019 -
    Head Engineer
    Department of Clinical Medicine, UiT The Arctic University of Norway
    PET Imaging Center, University Hospital of North Norway

    Full CV