Search Results - "Episkopakis A"

Image Quality and Information Parameters of Electronic Portal Imaging Devices.

Authors: Tzomakas, Marios K. Peppa, Vasiliki Alexiou, Antigoni et al.

Source: Applied Sciences (2076-3417); Nov2024, Vol. 14 Issue 22, p10260, 12p

Phosphors and Scintillators in Biomedical Imaging.

Authors: Michail, Christos Liaparinos, Panagiotis Kalyvas, Nektarios et al.

Source: Crystals (2073-4352); Feb2024, Vol. 14 Issue 2, p169, 23p

A phantom based evaluation of the clinical imaging performance of electronic portal imaging devices.

Authors: Tzomakas MK Peppa V Alexiou A et al.

Source: Heliyon [Heliyon] 2023 Oct 17; Vol. 9 (10), pp. e21116. Date of Electronic Publication: 2023 Oct 17 (Print Publication: 2023).

Publication Type: Journal Article

Journal Info: Publisher: Elsevier Ltd Country of Publication: England NLM ID: 101672560 Publication Model: eCollection Cited Medium: Print ISSN: 2405-8440 (Print) Linking ISSN: 24058440 NLM ISO Abbreviation: Heliyon Subsets: PubMed not MEDLINE

Dosimetry in 1.5 T MR-Linacs: Monte Carlo determination of magnetic field correction factors and investigation of the air gap effect.

Authors: Margaroni, Vasiliki Pappas, Eleftherios P. Episkopakis, Anastasios et al.

Source: Medical Physics. Feb2023, Vol. 50 Issue 2, p1132-1148. 17p.

Subjects: Correction factors, Magnetic fields, Ionization chambers, Photon beams, Phase space, Linear accelerators, Irradiation, Detectors

Improved MTF Measurement of Medical Flat-Panel Detectors Based on a Slit Model.

Authors: Zhang, Haiyang Ji, Zhiyong

Source: Sensors (14248220). Mar2025, Vol. 25 Issue 5, p1341. 25p.

AAPM task group report 351: Protocol for clinical reference dosimetry in external beam MR‐guided radiotherapy.

Authors: Sarfehnia, Arman Alvarez, Paola E. Bellon, Maria R. et al.

Source: Medical Physics. Jul2025, Vol. 52 Issue 7, p1-20. 20p.

Subjects: Medical dosimetry, Radiotherapy, Image-guided radiation therapy, Medical physics, Standard operating procedure, Magnetic fields

Small‐field output factor dependence on the field size definition in MR‐Linac.

Authors: Das, Indra J. Khan, Ahtesham U. Yadav, Poonam

Source: Medical Physics. Jul2025, Vol. 52 Issue 7, p1-7. 7p.

Subjects: Radiation, Linear accelerators, Medical dosimetry

Radiation Detectors and Sensors in Medical Imaging.

Authors: Michail, Christos Liaparinos, Panagiotis Kalyvas, Nektarios et al.

Source: Sensors (14248220). Oct2024, Vol. 24 Issue 19, p6251. 65p.

MR compatible detectors assessment for a 0.35 T MR-linac commissioning.

Authors: Chea, Michel Croisé, Mathilde Huet, Christelle et al.

Source: Radiation Oncology. 3/20/2024, Vol. 19 Issue 1, p1-16. 16p.

Subjects: Magnetic field measurements, Magnetic field effects, Detectors, Ionization chambers, Correction factors

Experimental determination of magnetic field quality conversion factors for eleven ionization chambers in 1.5 T and 0.35 T MR‐linac systems.

Authors: Orlando, Nathan Crosby, Jennie Glide‐Hurst, Carri et al.

Source: Medical Physics. Apr2024, Vol. 51 Issue 4, p2998-3009. 12p.

Subjects: Ionization chambers, Magnetic fields, Linear accelerators, Magnetic field effects, Photon beams, Nuclear counters, Monte Carlo method, Radiotherapy safety

Optical Characteristics of ZnCuInS/ZnS (Core/Shell) Nanocrystal Flexible Films Under X-Ray Excitation.

Authors: Saatsakis, George Kalyvas, Nektarios Michail, Christos et al.

Source: Crystals (2073-4352); Jul2019, Vol. 9 Issue 7, p343-343, 1p

Electronic portal image enhancement based on nonuniformity correction in wavelet domain.

Authors: Ghaempanah, Hanieh Tavakoli, Meysam Deevband, Mohammad Reza et al.

Source: Medical Physics. Jul2022, Vol. 49 Issue 7, p4599-4612. 14p.

Subjects: Image intensifiers, Image reconstruction, Texture analysis (Image processing), Perceived quality, Spatial resolution, Kalman filtering

Effect of γ-irradiation on structural, morphological and luminescence properties of cerium-doped Y3Al5O12 nano-material.

Authors: Boukerika, Allaoua Guerbous, Lakhdar

Source: Radiation Effects & Defects in Solids: Incorporating Plasma Techniques & Plasma Phenomena. Sep/Oct2019, Vol. 174 Issue 9/10, p873-884. 12p.

The comparison of scintillation properties of YAP:Ce, YAG:Ce and ZnO:Ga powders as a potential substitution of LSC cocktail.

Authors: Janda, Jiri¹ jiri.janda@unob.cz

Source: Journal of Radioanalytical & Nuclear Chemistry. Nov2017, Vol. 314 Issue 2, p573-582. 10p.

Scientific Abstracts and Sessions.

Source: Medical Physics. Jun2020, Vol. 47 Issue 6, pe255-e880. 626p.

Subjects: Volumetric-modulated arc therapy, Rectum

The study of substitutability of liquid scintillation cocktail for YAP:Ce powder.

Authors: Janda, Jiri Fiserova, Lucie Sas, Daniel

Source: Journal of Radioanalytical & Nuclear Chemistry. Sep2016, Vol. 309 Issue 3, p1191-1197. 7p. 1 Color Photograph, 1 Diagram, 2 Charts, 7 Graphs.

On the Response of a Micro Non-Destructive Testing X-ray Detector.

Authors: Linardatos, Dionysios Koukou, Vaia Martini, Niki et al.

Source: Materials (1996-1944). 2/15/2021, Vol. 14 Issue 4, p888-888. 1p.

Effect of particle morphology and coating thickness on fluorescent behavior of Ce doped yttrium aluminium garnet phosphor screens.

Authors: Asghar, Z. Zahid, G. Ahmad, E. et al.

Source: Journal of Materials Science: Materials in Electronics; Sep2015, Vol. 26 Issue 9, p6744-6749, 6p

Imaging performance and light emission efficiency of Lu2 SiO5:Ce (LSO:Ce) powder scintillator under X-ray mammographic conditions.

Authors: Michail, C. Toutountzis, A. David, S. et al.

Source: Applied Physics B: Lasers & Optics. Apr2009, Vol. 95 Issue 1, p131-139. 9p. 1 Diagram, 1 Chart, 13 Graphs.

Advanced dose calculation strategies for clinical linear accelerators: a systematic review.

Authors: Alshehri AHD Al Mopti A

Source: Frontiers in oncology [Front Oncol] 2026 May 01; Vol. 16, pp. 1790425. Date of Electronic Publication: 2026 May 01 (Print Publication: 2026).

Publication Type: Journal Article; Systematic Review

Journal Info: Publisher: Frontiers Research Foundation] Country of Publication: Switzerland NLM ID: 101568867 Publication Model: eCollection Cited Medium: Print ISSN: 2234-943X (Print) Linking ISSN: 2234943X NLM ISO Abbreviation: Front Oncol Subsets: PubMed not MEDLINE