Skip to Content Skip to Navigation

How to find us J. Free

University Medical Center Groningen

J. Free

J. Free

Faculty of Medical Sciences

Telephone:

E-mail:

j.free umcg.nl

ORCID Research Portal

Publications

Development of advanced preselection tools to reduce redundant plan comparisons in model-based selection of head and neck cancer patients for proton therapy

Tambas, M. , der Laan, H. P. V. , Rutgers, W. , van den Hoek, J. G. M. , Oldehinkel, E. , Meijer, T. W. H., van der Schaaf, A. , Scandurra, D. , Free, J. , Both, S. , Steenbakkers, R. J. H. M. & Langendijk, J. A. , Jul-2021 , In: Radiotherapy and Oncology. 160 , p. 61-68 8 p.

Research output: Contribution to journal › Article › Academic › peer-review

Range probing as a quality control tool for CBCT-based synthetic CTs: In vivo application for head and neck cancer patients

Seller Oria, C. , Thummerer, A. , Free, J. , Langendijk, J. A. , Both, S. , Knopf, A. C. & Meijers, A. , 11-Jul-2021 , (E-pub ahead of print) In: Medical Physics. p. 1-21 8 p.

Research output: Contribution to journal › Article › Academic › peer-review

Technical Note: First report on an in vivo range probing quality control procedure for scanned proton beam therapy in head and neck cancer patients

Meijers, A. , Seller Oria, C. , Free, J. , Langendijk, J. A. , Knopf, A. C. & Both, S. , 6-Feb-2021 , In: Medical Physics. 9 p.

Research output: Contribution to journal › Article › Academic › peer-review

Assessment of range uncertainty in lung-like tissue using a porcine lung phantom and proton radiography

Meijers, A. , Seller Oria, C. , Free, J. , Bondesson, D., Rabe, M., Parodi, K., Landry, G., Langendijk, J. A. , Both, S. , Kurz, C. & Knopf, A-C. , 7-Aug-2020 , In: Physics in Medicine and Biology. 65 , 15 , 9 p. , 155014.

Research output: Contribution to journal › Article › Academic › peer-review

Validation of the proton range accuracy and optimization of CT calibration curves utilizing range probing

Meijers, A. , Free, J. , Wagenaar, D. , Deffet, S., Knopf, A-C. , Langendijk, J. A. & Both, S. , 4-Feb-2020 , In: Physics in Medicine and Biology. 65 , 3 , 11 p. , 03NT02.

Research output: Contribution to journal › Article › Academic › peer-review

A novel range probing-based optimization of CT calibration curve for Proton Therapy

Meijers, A. , Free, J. , Wagenaar, D., Deffet, S., Knopf, A. C. , Langendijk, J. A. & Both, S. , 29-Apr-2019 , In: Radiotherapy and Oncology. 133 , p. S294-S295 2 p.

Research output: Contribution to journal › Meeting Abstract › Academic

Composite minimax robust optimization of VMAT improves target coverage and reduces non-target dose in head and neck cancer patients

Wagenaar, D. , Kierkels, R. G. J. , Free, J. , Langendijk, J. A. , Both, S. & Korevaar, E. W. , Jul-2019 , In: Radiotherapy and Oncology. 136 , p. 71-77 7 p.

Research output: Contribution to journal › Article › Academic › peer-review

Effect of different CT scanners and settings on femoral failure loads calculated by finite element models

Eggermont, F., Derikx, L. C., Free, J. , van Leeuwen, R., van der Linden, Y. M., Verdonschot, N. & Tanck, E., Aug-2018 , In: Journal of Orthopaedic Research. 36 , 8 , p. 2288-2295 8 p.

Research output: Contribution to journal › Article › Academic › peer-review

Inter-center variability of CT-to-SPR conversion in particle therapy: Survey-based evaluation

Taasti, V. T., Baeumer, C., Dahlgren, C. V., Deisher, A. J., Ellerbrock, M., Free, J. , Gora, J., Kozera, A., Lomax, A. J., De Marzi, L., Molinelli, S., Teo, B. K., Wohlfahrt, P., Petersen, J. B. B., Muren, L. P., Hansen, D. C. & Richter, C., Apr-2018 , In: Radiotherapy and Oncology. 127 , p. S533-S534 2 p.

Research output: Contribution to journal › Meeting Abstract › Academic

Inter-centre variability of CT-based stopping-power prediction in particle therapy: Survey-based evaluation

Taasti, V. T., Bäumer, C., Dahlgren, C. V., Deisher, A. J., Ellerbrock, M., Free, J. , Gora, J., Kozera, A., Lomax, A. J., De Marzi, L., Molinelli, S., Kevin Teo, B-K., Wohlfahrt, P., Petersen, J. B. B., Muren, L. P., Hansen, D. C. & Richter, C., 23-Apr-2018 , In: Physics and Imaging in Radiation Oncology. 6 , p. 25-30 6 p.

Research output: Contribution to journal › Article › Academic › peer-review

All (11) publications

View full research profile

Follow the UGfacebook twitter linkedin rss instagram youtube