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Evaluation of a BGO-Based PET System for Single-Cell Tracking Performance by Simulation and Phantom Studies
Published 2016-05-01“…Tracking with the Genisys4 was then validated using a physical phantom of helically moving [ 18 F] fluorodeoxyglucose-in-oil droplets (< 0.24 mm diameter, 139-296 Bq), yielding < 1 mm localization error under the tested conditions, with good agreement between simulated sensitivity and measured activity (Pearson correlation R = .64, P << .05 in a representative example). …”
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Snapshot Imaging of Stokes Vector Polarization Speckle in Turbid Optical Phantoms and <i>In Vivo</i> Tissues
Published 2025-01-01“…System design and calibration methods are presented, and representative images from measurements on liquid phantoms (microsphere suspensions) and <i>in vivo</i> healthy and tumor murine models are demonstrated and discussed. …”
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Optimization of Dual-energy Spectral Lower-extremity Computed Tomography Venography Scanning Protocol: Phantom Study
Published 2025-01-01“…Objective: To optimize a scanning protocol for dual-energy spectral lower-extremity computed tomography venography (CTV) based on a phantom study. Methods: Test plugs were placed in the cavities of an energy CT quality-control phantom to simulate clinical scenarios. …”
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A novel multimodality anthropomorphic phantom enhances compliance with quality assurance guidelines for magnetic resonance imaging in radiotherapy
Published 2025-01-01Subjects: Get full text
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Microwave Imaging Using CMOS Integrated Circuits with Rotating 4 × 4 Antenna Array on a Breast Phantom
Published 2017-01-01“…A 1 cm3 bacon block as a cancer phantom target in a rubber substrate as a breast fat phantom can be detected with reduced artifacts.…”
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The SwiftScan step-and-shoot continuous mode improves SPECT scanning efficiency: a preliminary phantom and clinical test
Published 2025-01-01“…Methods This study was composed of a phantom study and two clinical tests. The differences in visual image quality scores, coefficient of variance (COV) of the background, image signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR), and recovery coefficient (RC) of the sphere were compared between SSC mode and traditional Step-and-Shoot (SS) mode in the phantom study. …”
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Gray-Level Co-Occurrence Matrix Uniformity Correction Algorithm in Positron Emission Tomographic Image: A Phantom Study
Published 2025-01-01“…CAIPIRINHA Dixon-VIBE was used as an MR image acquisition pulse sequence for the fast and accurate attenuation correction of PET images, and the phantom was constructed by injecting NaCl and NaCl + NiSO<sub>4</sub> solutions. …”
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Investigating the Impact of Voxel Size and Postfiltering on Quantitative Analysis of Positron Emission Tomography/Computed Tomography: A Phantom Study
Published 2024-12-01“…Materials and Methods: National Electrical Manufacturers Association phantom with the spheres of different sizes were utilized to simulate the lesions. …”
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A Novel Ultrasound Thermometry Method Based on Thermal Strain and Short and Constant Acoustic Bursts: Preliminary Study in Phantoms
Published 2025-01-01“…Finally, experimental measurements on phantom samples were performed over the same temperature range. …”
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An Optical Wireless Communication System for Physiological Data Transmission in Small Animals
Published 2024-12-01Subjects: Get full text
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Mapping neutron biological effectiveness for DNA damage induction as a function of incident energy and depth in a human sized phantom
Published 2025-01-01“…RBE is evaluated as a function of the incident neutron energy and of the depth inside a human-sized reference spherical phantom. The adopted mechanistic approach traces neutron RBE back to its origin, i.e. neutron physical interactions with biological tissues. …”
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Optimization of Image Quality and Organ Absorbed Dose for Pediatric Chest X-Ray Examination: In-House Developed Chest Phantom Study
Published 2022-01-01“…After that, the phantom was used to assess image quality parameters, including SNR and CNR. …”
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Respiratory Motion Compensation Using Diaphragm Tracking for Cone-Beam C-Arm CT: A Simulation and a Phantom Study
Published 2013-01-01“…We observed an improvement of about 14% using the structural similarity index. In a real phantom study, using the artiCHEST phantom, we investigated the visibility of bronchial tubes in a porcine lung. …”
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The Impact of Weighting Factors on Dual-Energy Computed Tomography Image Quality in Non-Contrast Head Examinations: Phantom and Patient Study
Published 2025-01-01Subjects: “…anthropomorphic head phantom…”
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Effects of collagen and chondroitin sulfate on relaxation at multiple magnetic field strengths
Published 2025-01-01Subjects: Get full text
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Development of a 3D-Printed Chest Phantom with Simulation of Lung Nodules for Studying Ultra-Low-Dose Computed Tomography Protocols
Published 2024-12-01“…This study aimed to 3D print a patient-specific chest phantom simulating multiple lung nodules to optimise low-dose Computed Tomography (CT) protocols for lung cancer screening. …”
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Dosimetry and Comparison between Different CT Protocols (Low Dose, Ultralow Dose, and Conventional CT) for Lung Nodules’ Detection in a Phantom
Published 2021-01-01“…To compare the detection rate of simulated lung nodules in a chest phantom using different computed tomography protocols, low dose (LD), ultralow dose (ULD), and conventional (CCT), and to quantify their respective amount of radiation. …”
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Savi’s pipistrelle (Hypsugo savii) in Ukraine: analysis of records and evidence of expansion
Published 2024-12-01Subjects: Get full text
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