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Timing limits of ultrafast cross-luminescence emission in CsZnCl-based crystals for TOF-CT and TOF-PET
BackgroundGood timing resolution in medical imaging applications such as TOF-CT or TOF-PET can boost image quality or patient comfort significantly...
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Investigation of the nuclear radiation interaction parameters of selected polymers for radiation therapy and dosimetry
The mass attenuation coefficient (MAC), effective atomic number ( Z eff ), equivalent atomic number ( Z eq ), fast neutron removal cross-section (FNRCS),...
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Approaches, advantages, and challenges to photon counting detector and multi-energy CT
Photon counting detector CT (PCD-CT) is the newest major development in CT technology and has been commercially available since 2021. It offers major...
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Virtual monochromatic images for coronary artery imaging with a spectral photon-counting CT in comparison to dual-layer CT systems: a phantom and a preliminary human study
ObjectivesTo evaluate the quality of virtual monochromatic images (VMIs) from spectral photon-counting CT (SPCCT) and two energy-integrating detector...
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Phase-locked µPIV analysis of flow dynamics in a simulated root canal with different laser-activated irrigations
Purpose: To measure the dynamic characteristics of the flow field in a complex root canal model activated by two laser-activated irrigation (LAI)...
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Absolute iodine concentration for dynamic perfusion imaging of the myocardium: improved detection of poststenotic ischaemic in a 3D-printed dynamic heart phantom
BackgroundTo investigate the detection capabilities of myocardial perfusion defects of dual-energy computed tomography (CT) technology using...
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Shielding performance of multi-metal nanoparticle composites for diagnostic radiology: an MCNPX and Geant4 study
Lead-free polymer composite shields are used in diagnostic radiology to protect patients from unnecessary radiation exposure. This study aimed to...
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Development and accuracy evaluation of a degree of occlusion visualization system for roller pumps used in cardiopulmonary bypass
In roller pumps used for cardiopulmonary bypass (CPB), the degree of blockage within the tube resulting from compression of the tube by the rollers,...
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Photon-specific absorbed fraction estimates in stylized ORNL and voxelized ICRP adult male phantoms using a new developed Geant4-based code “DoseCalcs”: a validation study
When a radiotracer is injected into a patient’s body as part of a nuclear medicine investigation, the entire body is exposed to the ionizing...
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Influence of distant scatterer on air kerma measurement in the evaluation of diagnostic X-rays using Monte Carlo simulation
The evaluation of the entrance surface dose (ESD) ensures safe radiation doses for X-ray imaging patients. The air kerma free-in-air value used to...
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Compton imaging for medical applications
Compton imaging exploits inelastic scattering, known as Compton scattering, using a Compton camera consisting of a scatterer detector in the front...
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Elevation of the head of bed reduces splanchnic blood flow in patients with intra-abdominal hypertension
BackgroundElevation of the head of bed (HOB) increases intra-abdominal pressure (IAP), but the effect of body position on abdominal splanchnic...
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Impact of gadolinium concentration and cell oxygen levels on radiobiological characteristics of gadolinium neutron capture therapy technique in brain tumor treatment
Neutron capture therapy (NCT) with various concentrations of gadolinium ( 157 Gd) is one of the treatment modalities for glioblastoma (GBM) tumors....
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Efficiency determination of J-PET: first plastic scintillators-based PET scanner
BackgroundThe Jagiellonian Positron Emission Tomograph is the 3-layer prototype of the first scanner based on plastic scintillators, consisting of...
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Design and navigation method of a soft robot for single-port transvesical radical prostatectomy
PurposeCurrently, the rigid instruments used for laparoscopic radical resection of prostate cancer not only have the risk of damage to tissues, blood...
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X-ray dark-field chest radiography: a reader study to evaluate the diagnostic quality of attenuation chest X-rays from a dual-contrast scanning prototype
ObjectivesTo compare the visibility of anatomical structures and overall quality of the attenuation images obtained with a dark-field X-ray...
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Detectability of intracranial vessel wall atherosclerosis using black-blood spectral CT: a phantom and clinical study
BackgroundComputed tomography (CT) is the usual modality for diagnosing stroke, but conventional CT angiography reconstructions have limitations.
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Effects of low-tube voltage coronary CT angiography on plaque and pericoronary fat assessment: intraindividual comparison
ObjectivesTo investigate the effects of low tube voltage on coronary plaques and pericoronary fat assessment, and to compare their extent among...
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A Review: Biomechanical Aspects of the Fallopian Tube Relevant to its Function in Fertility
The fallopian tube (FT) plays a crucial role in the reproductive process by providing an ideal biomechanical and biochemical environment for...
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Radiation nanomedicines for cancer treatment: a scientific journey and view of the landscape
BackgroundRadiation nanomedicines are nanoparticles labeled with radionuclides that emit α- or β-particles or Auger electrons for cancer treatment....
