Search Results - "Poulsen, P. R."

DMLC tracking and gating can improve dose coverage for prostate VMAT by Colvill, E., Poulsen, P. R., Booth, J. T., O'Brien, R. T., Ng, J. A., Keall, P. J.

“…Purpose: To assess and compare the dosimetric impact of dynamic multileaf collimator (DMLC) tracking and gating as motion correction strategies to account for…”
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Determining appropriate imaging parameters for kilovoltage intrafraction monitoring: an experimental phantom study by Wallace, D, Ng, J A, Keall, P J, O'Brien, R T, Poulsen, P R, Juneja, P, Booth, J T

“…Kilovoltage intrafraction monitoring (KIM) utilises the kV imager during treatment for real-time tracking of prostate fiducial markers. However, its…”
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Repeated deep-inspiration breath-hold CT scans at planning underestimate the actual motion between breath-holds at treatment for lung cancer and lymphoma patients by Hoffmann, Lone, Ehmsen, ML, Hansen, J., Hansen, R., Knap, MM, Mortensen, HR, Poulsen, PR, Ravkilde, T., Rose, HK, Schmidt, HH, Worm, ES, Møller, DS

“…•DIBH variations are smaller at CT-scanning than between pre- and post-treatment CBCTs.•Lung tumours show larger intra-fractional DIBH variations than lymph…”
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Beam characterization and feasibility study for a small animal irradiation platform at clinical proton therapy facilities by Gerlach, S, Pinto, M, Kurichiyanil, N, Grau, C, Hérault, J, Hillbrand, M, Poulsen, P R, Safai, S, Schippers, J M, Schwarz, M, Søndergaard, C S, Tommasino, F, Verroi, E, Vidal, M, Yohannes, I, Schreiber, J, Parodi, K

“…A deeper understanding of biological mechanisms to promote more efficient treatment strategies in proton therapy demands advances in preclinical radiation…”
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Fully automatic segmentation of arbitrarily shaped fiducial markers in cone-beam CT projections by Bertholet, J, Wan, H, Toftegaard, J, Schmidt, M L, Chotard, F, Parikh, P J, Poulsen, P R

“…Radio-opaque fiducial markers of different shapes are often implanted in or near abdominal or thoracic tumors to act as surrogates for the tumor position…”
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Determining the mechanical properties of a radiochromic silicone-based 3D dosimeter by Kaplan, L P, Høye, E M, Balling, P, Muren, L P, Petersen, J B B, Poulsen, P R, Yates, E S, Skyt, P S

“…New treatment modalities in radiotherapy (RT) enable delivery of highly conformal dose distributions in patients. This creates a need for precise dose…”
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An interdimensional correlation framework for real-time estimation of six degree of freedom target motion using a single x-ray imager during radiotherapy by Nguyen, D T, Bertholet, J, Kim, J-H, O'Brien, R, Booth, J T, Poulsen, P R, Keall, P J

“…Increasing evidence suggests that intrafraction tumour motion monitoring needs to include both 3D translations and 3D rotations. Presently, methods to estimate…”
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Real-time segmentation of multiple implanted cylindrical liver markers in kilovoltage and megavoltage x-ray images by Fledelius, W, Worm, E, Høyer, M, Grau, C, Poulsen, P R

“…Gold markers implanted in or near a tumor can be used as x-ray visible landmarks for image based tumor localization. The aim of this study was to develop and…”
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Quality assurance for the clinical implementation of kilovoltage intrafraction monitoring for prostate cancer VMAT by Ng, J. A., Booth, J. T., O'Brien, R. T., Colvill, E., Huang, C.‐Y., Poulsen, P. R., Keall, P. J.

“…Purpose: Kilovoltage intrafraction monitoring (KIM) is a real‐time 3D tumor monitoring system for cancer radiotherapy. KIM uses the commonly available…”
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Electron Spin in Single Wall Carbon Nanotubes by Lindelof, P E, Borggreen, J, Jensen, A, Nygård, J, Poulsen, P R

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First Proton Beam Imaging with a High Resolution In-beam Small Animal PET System in the SIRMIO irradiation platform by Nitta, M., Lovatti, G., Evangelista, F., Bortfeldt, J., Pinto, M., Huang, Z., Sitarz, M. K., Poulsen, P. R., Kang, H. G., Englbrecht, F., Rosch, T., Gebhard, J., Zoglauer, A., Gianoli, C., Dedes, G., Yamaya, T., Thirolf, P., Parodi, K.

“…We have developed an in-beam PET system for accurate image-guided small animal proton irradiation at clinical facilities for the "Small animal proton…”
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A Review of Real-Time 3D IGRT on Standard-Equipped Cancer Radiotherapy Systems: Are We at the Tipping Point for the Era of Real-Time Radiotherapy? by Keall, P. J., Nguyen, D. T., O’Brien, R., Zhang, P., Happersett, L., Bertholet, J., Poulsen, P. R.

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Comparative study of the structural properties of nanocrystalline Ge:H plasma deposited onto the cathode and the anode using high hydrogen dilutions by Poulsen, Per R., Wang, Mingxiang, Xu, Jun, Li, Wei, Chen, Kunji, Wang, Guanghou, Feng, Duan

“…Nanocrystalline Ge:H thin films were deposited simultaneously on both electrodes of a conventional capacitively coupled reactor for plasma enhanced chemical…”
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Self-organization of Te clusters in nanofilm by low energy beam deposition by Chen, P.P., Wang, Z.Y., Yu, S.W., Hong, J.M., Poulsen, P.R., Ji, Y.L., Miao, B.Y., Han, M., Wang, G.H.

“…Tellurium cluster-based nanofilms have been prepared for the first time by low energy cluster beam deposition (LECBD). The cluster beams are produced by a…”
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Gold nanoparticle single-electron transistor with carbon nanotube leads by Thelander, Claes, Magnusson, Martin H., Deppert, Knut, Samuelson, Lars, Poulsen, Per Rugaard, Nygård, Jesper, Borggreen, Jørn

“…We have used carbon nanotubes to electrically contact a 7 nm gold particle by scanning-probe manipulation. The result was a single-electron transistor showing…”
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Mapping the Future of Particle Radiobiology in Europe: The INSPIRE Project by Henthorn, N. T, Sokol, O, Durante, M, De Marzi, L, Pouzoulet, F, Miszczyk, J, Olko, P, Brandenburg, S, van Goethem, M-J, Barazzuol, L, Tambas, M, Langendijk, J. A, Davidkova, M, Vondravcek, V, Bodenstein, E, Pawelke, J, Lomax, A, Weber, D. C, Dasu, A, Stenerlow, B, Poulsen, P. R, Sorensen, B. S, Grau, C, Sitarz, M. K, Heuskin, A-C, Lucas, S, Warmenhoven, J. W, Merchant, M. J, Mackay, R. I, Kirkby, K. J

“…Particle therapy is a growing cancer treatment modality worldwide. However, there still remains a number of unanswered questions considering differences in the…”
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