Results 21 to 30 of about 20,896 (257)

Feasibility Study of a Small Animal PET Insert Based on a Single LYSO Monolithic Tube

Frontiers in Medicine, 2018
There are drawbacks with using a Positron Emission Tomography (PET) scanner design employing the traditional arrangement of multiple detectors in an array format.
Antonio J. Gonzalez, Stuart S. Berr, Gabriel Cañizares, Andrea Gonzalez-Montoro, Abel Orero, Carlos Correcher, Ahmadreza Rezaei, Johan Nuyts, Johan Nuyts, Filomeno Sanchez, Stan Majewski, Jose M. Benlloch   +11 more
doaj   +1 more source

Small-Animal Imaging Using Clinical Positron Emission Tomography/Computed Tomography and Super-Resolution

Molecular Imaging, 2012
Considering the high cost of dedicated small-animal positron emission tomography/computed tomography (PET/CT), an acceptable alternative in many situations might be clinical PET/CT. However, spatial resolution and image quality are of concern.
Frank P. DiFilippo, Sagar Patel, Kewal Asosingh, Serpil C. Erzurum   +3 more
doaj   +1 more source

Experimental Evaluation of Depth-of-Interaction Correction in a Small-Animal Positron Emission Tomography Scanner

Molecular Imaging, 2010
Human and small-animal positron emission tomography (PET) scanners with cylindrical geometry and conventional detectors exhibit a progressive reduction in radial spatial resolution with increasing radial distance from the geometric axis of the scanner ...
Michael V. Green, Harold G. Ostrow, Jurgen Seidel, Martin G. Pomper   +3 more
doaj   +1 more source

State of the art in total body PET

EJNMMI Physics, 2020
The idea of a very sensitive positron emission tomography (PET) system covering a large portion of the body of a patient already dates back to the early 1990s.
Stefaan Vandenberghe, Pawel Moskal, Joel S. Karp   +2 more
doaj   +1 more source

Imaging Transgene Expression with Radionuclide Imaging Technologies

Neoplasia: An International Journal for Oncology Research, 2000
A variety of imaging technologies are being investigated as tools for studying gene expression in living subjects. Noninvasive, repetitive and quantitative imaging of gene expression will help both to facilitate human gene therapy trials and to allow for
S.S. Gambhir, H.R. Herschman, S.R. Cherry, J.R. Barrio, N. Satyamurthy, T. Toyokuni, M.E Phelps, S.M. Larson, J. Balatoni, R. Finn, M. Sadelain, J. Tjuvajev, R. Blasbergt   +12 more
doaj   +1 more source

Dynamic PET Image Reconstruction Incorporating Multiscale Superpixel Clusters

IEEE Access, 2021
Dynamic positron emission tomography (PET) image reconstruction is challenging due to the low-count statistics of individual frames. This study proposes a novel reconstruction framework aiming to enhance the quantitative accuracy of individual dynamic ...
Shuangliang Cao, Yuru He, Hongyan Zhang, Wenbing Lv, Lijun Lu, Wufan Chen   +5 more
doaj   +1 more source

Initial Performance of a Prototype Small Animal PET Scanner Consisting of Long Semi-Monolithic Scintillator Detectors

Sensors
Semi-monolithic scintillator detectors possess not only the inherent depth of interaction (DOI) encoding capability of monolithic scintillator detectors but also reduced edge effects compared to monolithic scintillator detectors.
Zhonghua Kuang, Samuel Mungai Kinyanjui, Ling Zhang, Ning Ren, Haonan Li, Zhanli Hu, Yongfeng Yang, Zheng Liu   +7 more
doaj   +1 more source

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

Imaging in Biomedical Research: Mini-Symposium of the Division for Medicinal Chemistry (DMC) of the Swiss Chemical Society (SCS), at the Department of Chemistry, University of Basel, May 18, 2006

CHIMIA, 2006
Imaging technologies have experienced rapid progress and are currently used widely both in medical diagnostics and in research. Imaging beyond X-ray and standard MRI became established in recent years.
Gerd Folkers, Alumit Ishai, Markus Rudin, Pius August Schubiger, Matthias Bräutigam, Hanns Möhler, Hans Peter Märki   +6 more
doaj   +1 more source

Depth of Interaction Estimation in a Preclinical PET Scanner Equipped with Monolithic Crystals Coupled to SiPMs Using a Deep Neural Network

Applied Sciences, 2020
The scintillation light distribution produced by photodetectors in positron emission tomography (PET) provides the depth of interaction (DOI) information required for high-resolution imaging.
Amirhossein Sanaat, Habib Zaidi
doaj   +1 more source