Results 21 to 30 of about 21,434 (259)

Validation of PeneloPET against two small animal PET scanners [PDF]

2007 IEEE Nuclear Science Symposium Conference Record, 2007
PeneloPET is a Monte Carlo application based on PENELOPE. We present here the new features and results of validation tests for the new version of PeneloPET that has been compared against data from real scanners. PeneloPET was built as a powerful tool for PET simulation, it is easy to use, fast and very accurate.
España, Samuel, Herraiz, J. L., Vicente, Esther, Herranz, Elena, Vaquero López, Juan José, Desco Menéndez, Manuel, Udías, José Manuel   +6 more
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Understanding the importance of quality control and quality assurance in preclinical PET/CT imaging

EJNMMI Physics, 2022
The fundamental principle of experimental design is to ensure efficiency and efficacy of the performed experiments. Therefore, it behoves the researcher to gain knowledge of the technological equipment to be used.
Wendy A. McDougald, Julia G. Mannheim
doaj   +1 more source

Influence of Multiple Animal Scanning on Image Quality for the Sedecal SuperArgus2R Preclinical PET Scanner

Frontiers in Physics, 2021
Background: Increased throughput in small animal preclinical studies using positron emission tomography leads to reduced costs and improved efficiency of experimental design, however the presence of multiple off-centre subjects, as opposed to a single ...
Nikos Efthimiou, Nikos Efthimiou, John D. Wright, Luke Clayton, Isaline Renard, Federico Zagni, Paulo R.R.V. Caribé, Stephen J. Archibald, Stephen J. Archibald, Christopher J. Cawthorne, Christopher J. Cawthorne   +10 more
doaj   +1 more source

Characterization of the Ferrara animal PET scanner

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2002
A dedicated small animal PET scanner, YAPPET, was designed and built at Ferrara University. Each detector consists of a 20 20 matrix of 2 2 30 mm 3 YAP:Ce finger-like crystals glued together and directly coupled to a Hamamatsu position sensitive photomultiplier. The scanner is made from four detectors positioned on a rotating gantry at a distance of
DI DOMENICO, Giovanni, MOTTA, Alfonso, ZAVATTINI, Guido, DEL GUERRA, Alberto, DAMIANI, Chiara, BETTINARDI V, GILARDI MC   +6 more
openaire   +2 more sources

Comparison of the Amyloid Load in the Brains of Two Transgenic Alzheimer’s Disease Mouse Models Quantified by Florbetaben Positron Emission Tomography

Frontiers in Neuroscience, 2021
Alzheimer’s disease (AD) is characterized by formation of amyloid plaques and neurofibrillary tangles in the brain, which can be mimicked by transgenic mouse models.
Antje Willuweit, Michael Schöneck, Sarah Schemmert, Philipp Lohmann, Philipp Lohmann, Saskia Bremen, Dominik Honold, Nicole Burda, Nan Jiang, Simone Beer, Johannes Ermert, Dieter Willbold, Dieter Willbold, N. Jon Shah, N. Jon Shah, N. Jon Shah, Karl-Josef Langen, Karl-Josef Langen   +17 more
doaj   +1 more source

Image quality assessment using NEMA NU 4/2008 standards in small animal PET scanner

Brazilian Journal of Radiation Sciences, 2019
In Brazil, there are few microPET in use and a quality control protocols standardization are needed to harmonize their use in the research field. Thus, the purpose of this study is to characterize the image quality performance of the microPET scanner ...
Rodrigo Modesto Gadelha Gontijo, Andréa Vidal Ferreira, Juliana Batista Silva, Marcelo Henrique Mamede   +3 more
doaj   +3 more sources

Features of the NIH atlas small animal PET scanner and its use with a coaxial small animal volume CT scanner [PDF]

Proceedings IEEE International Symposium on Biomedical Imaging, 2003
ATLAS (Advanced Technology Laboratory Animal Scanner), a small animal PET scanner designed to image animals the size of rats and mice, is about to enter service on the NIH campus in Bethesda, Maryland. This system is the first small animal PET scanner with a depth-of-interaction capability and the first to use iterative resolution recovery algorithms ...
Jürgen Seidel, Juan José Vaquero, Javier Pascau, Manuel Desco   +3 more
openaire   +1 more source

Scanning multiple mice in a small-animal PET scanner: Influence on image quality

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2010
To achieve high throughput in small-animal positron emission tomography (PET), it may be advantageous to scan more than one animal in the scanner’s field of view (FOV) at the same time. However, due to the additional activity and increase of Poisson noise, additional attenuating mass, extra photon scattering, and radial or axial displacement of the ...
Siepel, F.J., Lier, M.G. Van, Chen, M.L., Disselhorst, J.A., Meeuwis, A.P.W., Oyen, W.J.G., Boerman, O.C., Visser, E.P.   +7 more
openaire   +3 more sources

Field of view alignment on a multimodal PET/CT scanner for small animals [PDF]

2007 IEEE Nuclear Science Symposium Conference Record, 2007
This work describes a procedure for the alignment of the fields of view of a multimodal system. Combined PET/CT systems for small-animal imaging usually have two axially displaced fields of view (FOV) that are mechanically aligned only to a certain degree; the remaining errors can impair submillimeter registrations.
Vaquero López, Juan José, Pascau González-Garzón, Javier, Abella García, Mónica, Sisniega, Alejandro, Desco Menéndez, Manuel, Lage Negro, Eduardo   +5 more
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Comparison of metabolic and functional parameters using cardiac 18F-FDG-PET in early to mid-adulthood male and female mice

EJNMMI Research, 2021
Background In this descriptive study of male and female mice at different weeks of age, we use serial non-invasive cardiac 18F-FDG-PET scans to follow up on metabolic alterations, heart function parameters, and the ECG of both sexes in early to mid ...
Maximilian Fischer, Mathias J. Zacherl, Tobias Weinberger, Ludwig Weckbach, Bruno Huber, Christian Schulz, Steffen Massberg, Peter Bartenstein, Sebastian Lehner, Andrei Todica   +9 more
doaj   +1 more source