Výsledky vyhľadávania - "COLLIMATORS"

Comparison of SZ-HRX and LEHR collimators for reduced-duration 123I-ioflupane brain SPECT/CT: a phantom study.

Autori: Pavoine, Mathieu Kelatma, Kouider-Othmane Robert, Clémence a ďalší

Zdroj: EJNMMI Physics. 9/30/2025, Vol. 12 Issue 1, p1-16. 16p.

Predmety: *COLLIMATORS, *PARKINSONIAN disorders, *SINGLE-photon emission computed tomography, *DOPAMINERGIC imaging, *BRAIN imaging

Particle track imaging simulation and expected outcomes of the Grid-based energetic neutral atom imager (GENA) for the Queqiao-2 mission.

Autori: Lu, Li Yu, Qing-long Shao, Jin-fa a ďalší

Zdroj: Earth, Planets & Space. 8/20/2025, Vol. 77 Issue 1, p1-13. 13p.

Predmety: *MAGNETOSPHERE, *COLLIMATORS, *NUCLEAR track detectors, *PARTICLE physics, *SPACE environment, *GEOMAGNETISM

Complete Dosimetric Characterization of an In-House Manufactured SFRT Grid Collimator by 3D Printing with PLA-W Composite Filament.

Autori: Velásquez, José Fuentealba, Melani Santibáñez, Mauricio

Zdroj: Polymers (20734360). Jun2025, Vol. 17 Issue 11, p1496. 15p.

Predmety: *THREE-dimensional printing, *COLLIMATORS, *RELIABILITY in engineering, *DOPING agents (Chemistry), *DIODES

Individual and Simultaneous Imaging of ⁹⁹mTc and ¹⁷⁷Lu With a Preclinical Broad Energy-Spectrum CZT-Based SPECT

Autori: Encarnação, Pedro MCC Correia, Pedro MM Mehrdel, Baharak a ďalší

Zdroj: IEEE Transactions on Radiation and Plasma Medical Sciences. 9(5)

Predmety: 32 Biomedical and Clinical Sciences (for-2020), 3202 Clinical Sciences (for-2020), Cancer (rcdc), Bioengineering (rcdc), Biomedical Imaging (rcdc), 7 Affordable and Clean Energy (sdg), Detectors, Imaging, Single photon emission computed tomography, Collimators, Head, Phantoms, Energy resolution, Tungsten, Plasmas, Prototypes, Graphical processing unit (GPU), image reconstruction, low activity imaging, radiopharmaceutical therapy (RPT), single photon emission computed tomography (SPECT), Theranostics, GPU Image Reconstruction, Low activity imaging, Radiopharmaceutical therapy, SPECT, Theranostics, NSD-Applied Nuclear Physics (c-lbnl-label), 3202 Clinical sciences (for-2020), 3211 Oncology and carcinogenesis (for-2020), 4003 Biomedical engineering (for-2020)

Popis súboru: application/pdf

Prístupová URL adresa: https://escholarship.org/uc/item/883349h6
https://escholarship.org/content/qt883349h6/qt883349h6.pdf

Is the Imaging Radiation Oncology Core Head and Neck Credentialing Phantom an Effective Surrogate for Different Anatomic Sites?

Autori: Brooks, Fre'Etta M.D. Glenn, Mallory C. Hernandez, Victor a ďalší

Zdroj: International Journal of Radiation Oncology, Biology, Physics. Mar2025, Vol. 121 Issue 3, p811-821. 11p.

Predmety: *RADIOTHERAPY, *COLLIMATORS, *MESOTHELIOMA, *PROSTATE, *LUNGS

Optical design for the single crystal neutron diffractometer Pioneer.

Autori: Liu, Yaohua Torres, Peter Dixon, Scott a ďalší

Zdroj: Review of Scientific Instruments. Mar2025, Vol. 96 Issue 3, p1-11. 11p.

Predmety: *SIGNAL detection, *COLLIMATORS, *SINGLE crystals, *GOVERNMENT laboratories, *NEUTRONS

Design and performance of a novel multi‐leaf collimator composed of leaves with fixed and movable layers.

Autori: Xu, Qingfeng Niu, Chuanmeng Liu, Yuxiang a ďalší

Zdroj: Medical Physics. Jan2025, Vol. 52 Issue 1, p640-651. 12p.

Predmety: *LEAF anatomy, *COLLIMATORS, *LEAKAGE, *RADIOTHERAPY

Innovative electromagnetic coupling design and performance testing of a drive module for multi‐leaf collimators.

Autori: Xu, Qingfeng Liu, Yuxiang Niu, Chuanmeng a ďalší

Zdroj: Medical Physics; Nov2025, Vol. 52 Issue 11, p1-11, 11p

Predmety: ELECTROMAGNETIC coupling, RADIOTHERAPY, POWER transmission, COLLIMATORS

Quantitative terbium-161 SPECT/CT imaging: demonstrating the feasibility of image-based dosimetry and highlighting pitfalls.

Autori: Westerbergh, Frida van der Meulen, Nicholas P. Müller, Cristina a ďalší

Zdroj: EJNMMI Research; 10/13/2025, Vol. 15 Issue 1, p1-13, 13p

Predmety: SINGLE-photon emission computed tomography, MEDICAL dosimetry, COLLIMATORS, PHOTON emission, DIAGNOSTIC imaging, TERBIUM, IMAGE quality analysis, STATISTICAL accuracy

Enhanced proton beam collimation in magnetic vortex acceleration using high-order hollow laser pulses.

Autori: Pang, Zeyue Liu, Jiaxin Chen, Zi-Yu

Zdroj: Physics of Plasmas; Oct2025, Vol. 32 Issue 10, p1-7, 7p

Predmety: PROTON beams, PARTICLE acceleration, PLASMA waveguides, MEDICAL innovations, LASER pulses, COLLIMATORS, PROTONS

On the possibility of multi-MeV proton beam collimation with optically generated magnetic fields.

Autori: Bukharskii, Nikolai Korneev, Philipp

Zdroj: Physics of Plasmas; Oct2025, Vol. 32 Issue 10, p1-13, 13p

Predmety: PROTON beams, MAGNETIC fields, PARTICLE acceleration, COMPUTER simulation, OPTICAL engineering, COLLIMATORS, MAGNETIC confinement, LASER beams

Adjustment of multi-leaf collimator parameters in 4-MV and 6-MV IMRT: A study of veterinary clinical cases.

Autori: Toshie Iseri Yoshinori Tanabe Hiro Horikirizono a ďalší

Zdroj: Open Veterinary Journal. 2022, Vol. 12 Issue 3, p407-413. 7p.

Predmet: Gamma distributions, Collimators, Radiotherapy, Pets, Veterinary medicine, Quality assurance

Stray Light Calibration and Correction of EnMAP’s Imaging Spectrometers

Autori: Baumgartner, Andreas Köhler, Claas Henning Baur, Simon a ďalší

Zdroj: IEEE Transactions on Geoscience and Remote Sensing. 63:1-16

Predmety: imaging spectrometer, hyperspectral, Collimators, Calibration, EnMAP, Stray light, Detectors, Environmental Mapping and Analysis Program, Optical imaging, Band-pass filters

Prístupová URL adresa: https://elib.dlr.de/216029/
https://doi.org/10.1109/tgrs.2025.3552114

Low background facility for ionizing radiation at LNE LNHB: Design and traceability.

Autori: Bordy, J.M. Khattabi, O. Chardeur, C. a ďalší

Zdroj: EPJ Web of Conferences; 4/7/2025, Vol. 323, p1-5, 5p

Predmety: IONIZING radiation, FOOD traceability, CESIUM, X-ray collimators, OPTICAL collimators

Impact of two-dimensional dosimetric leaf gap on SRS-VMAT for single-isocenter multi-target brain metastases

Autori: Xuemin Wang Chao Ma Te Zhang a ďalší

Zdroj: Scientific Reports, Vol 15, Iss 1, Pp 1-13 (2025)

Predmety: Dosimetric leaf gap, Electronic portal image device, Multiple target brain metastases, Gamma pass rate, Multileaf collimators, Sweep gap, Medicine, Science

Popis súboru: electronic resource

Relation: https://doaj.org/toc/2045-2322

Prístupová URL adresa: https://doaj.org/article/f52ad377721d497595ce0448fcbf20a9

Optimization of ^99mTc-SPECT in the presence of ⁹⁰Y for radioembolization.

Autori: Kerckhaert, Camiel E.M. Dietze, Martijn M.A. van Rooij, Rob a ďalší

Zdroj: EJNMMI Physics; 9/25/2025, Vol. 12 Issue 1, p1-13, 13p

Predmety: RADIOEMBOLIZATION, SINGLE-photon emission computed tomography, MICROSPHERES, IMAGE quality analysis, COLLIMATORS, RADIONUCLIDE imaging, SCIENTIFIC models

A volumetric modulated arc therapy-based dynamic conformal arc technique with limited monitor units (VMATliMU) to reduce multileaf collimator interplay effects: A computational phantom study for stage I non-small-cell lung cancer.

Autori: Jung, Dong Min Kwon, Yong Jae Cho, Yong Wan a ďalší

Zdroj: PLoS ONE; 9/9/2025, Vol. 20 Issue 9, p1-15, 15p

Predmety: VOLUMETRIC-modulated arc therapy, NON-small-cell lung carcinoma, RADIATION doses, COLLIMATORS, SIMULATION methods & models, RADIOTHERAPY

Efficient MLC quality assurance using a virtual picket fence test in an MR‐Linac.

Autori: Yuan, Kai Cheung, Matthew Manhin Lee, Louis

Zdroj: Journal of Applied Clinical Medical Physics; Sep2025, Vol. 26 Issue 9, p1-11, 11p

Predmety: QUALITY assurance, RADIOTHERAPY, COLLIMATORS, IMAGE-guided radiation therapy

Plasma-driven temporal collimation of sheet electron beam.

Autori: Unadkat, Prerna Kumar, Niraj

Zdroj: Applied Physics Letters; 9/1/2025, Vol. 127 Issue 9, p1-5, 5p

Predmety: ELECTRON beams, ATOMS in external magnetic fields, COLLIMATORS, PARTICLE dynamics analysis, MICROWAVES

Impact of Collimator Material on Spatial Resolution and Sensitivity in Semiconductor-Based Imaging Systems: A Monte Carlo Evaluation.

Autori: Ghoneim, M. A. Rashed, Wafaa

Zdroj: Indian Journal of Nuclear Medicine; Sep/Oct2025, Vol. 40 Issue 5, p283-289, 7p

Predmety: SPATIAL resolution, NUCLEAR medicine, SENSITIVITY & specificity (Statistics), MONTE Carlo method, SCINTILLATION cameras, COLLIMATORS