Results 1 to 10 of about 248 (101)

SAFIR-I: first NEMA NU 4-2008-based performance characterization [PDF]

EJNMMI Physics, 2023
Background Small Animal Fast Insert for MRI detector I (SAFIR-I) is a novel Positron Emission Tomography insert for a $$7\,\hbox {T}$$ 7 T Bruker BioSpec 70/30 Ultra Shield Refrigerated Magnetic Resonance Imaging (MRI) system.
Pascal Bebié, Werner Lustermann, Jan Debus, Christian Ritzer, Günther Dissertori, Bruno Weber   +5 more
doaj   +5 more sources

Comments on the NEMA NU 4-2008 Standard on Performance Measurement of Small Animal Positron Emission Tomographs [PDF]

EJNMMI Physics, 2020
The National Electrical Manufacturers Association’s (NEMA) NU 4-2008 standard specifies methodology for evaluating the performance of small-animal PET scanners.
Patrick Hallen, David Schug, Volkmar Schulz   +2 more
doaj   +6 more sources

Performance evaluation of the ACTIVE 7 MAX benchtop preclinical PET scanner in accordance with the NEMA NU 4-2008 standard [PDF]

EJNMMI Physics
Introduction ACTIVE 7 MAX is a compact benchtop preclinical PET scanner dedicated to high sensitivity and high-resolution imaging of small animals.
Haihao Wang, Kexin Wang, Ziquan Yuan, Chenxi Li, Runze Liao, Yucun Hou, Jianlang Hua, Yi Tang, Qing Ruan, Dejun Han, Jianyong Jiang   +10 more
doaj   +4 more sources

NEMA NU 4-2008 comparison of preclinical PET imaging systems. [PDF]

J Nucl Med, 2012
The National Electrical Manufacturers Association (NEMA) standard NU 4-2008 for performance measurements of small-animal tomographs was recently published. Before this standard, there were no standard testing procedures for preclinical PET systems, and manufacturers could not provide clear specifications similar to those available for clinical systems ...
Goertzen AL, Bao Q, Bergeron M, Blankemeyer E, Blinder S, Cañadas M, Chatziioannou AF, Dinelle K, Elhami E, Jans HS, Lage E, Lecomte R, Sossi V, Surti S, Tai YC, Vaquero JJ, Vicente E, Williams DA, Laforest R.   +18 more
europepmc   +5 more sources

Performance based on NEMA NU-4 2008 Standard of CDTN/CNEN’s Small Animal PET Scanner

Brazilian Journal of Radiation Sciences, 2022
This study aimed to evaluate the general performance of the preclinical PET scanner (LabPET Solo 4, GE) at CDTN/CNEN using the NEMA NU 4-2008 protocol.
Rodrigo Modesto Gadelha Gontijo, Andréa Vidal Ferreira, Juliana Batista da Silva, Marcelo Mamede   +3 more
doaj   +2 more sources

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   +6 more sources

Performance evaluation of the IRIS XL-220 PET/CT system, a new camera dedicated to non-human primates [PDF]

EJNMMI Physics, 2022
Background Non-human primates (NHP) are critical in biomedical research to better understand the pathophysiology of diseases and develop new therapies. Based on its translational and longitudinal abilities along with its non-invasiveness, PET/CT systems ...
Frédéric Boisson, Sophie Serriere, Liji Cao, Sylvie Bodard, Alessandro Pilleri, Lionel Thomas, Giancarlo Sportelli, Johnny Vercouillie, Patrick Emond, Clovis Tauber, Nicola Belcari, Jean-Luc Lefaucheur, David Brasse, Laurent Galineau   +13 more
doaj   +2 more sources

NEMA characterization of the SAFIR prototype PET insert [PDF]

EJNMMI Physics, 2022
Background The SAFIR prototype insert is a preclinical Positron Emission Tomography (PET) scanner built to acquire dynamic images simultaneously with a 7 T Bruker Magnetic Resonance Imaging (MRI) scanner.
Parisa Khateri, Werner Lustermann, Christian Ritzer, Charalampos Tsoumpas, Günther Dissertori   +4 more
doaj   +2 more sources

NEMA NU‐4 2008 performance evaluation of Xtrim‐PET: A prototype SiPM‐based preclinical scanner [PDF]

Medical Physics, 2019
PurposeXtrim‐PET is a newly designed Silicon Photomultipliers (SiPMs)‐based prototype PET scanner dedicated for small laboratory animal imaging. We present the performance evaluation of the Xtrim‐PET scanner following NEMA NU‐4 2008 standards to help optimizing scanning protocols which can be achieved through standard and reliable system performance ...
Habib Zaidi, Mohammad Reza Ay, Parham Geramifar   +2 more
exaly   +7 more sources

Contrast-enhanced small-animal PET/CT in cancer research: strong improvement of diagnostic accuracy without significant alteration of quantitative accuracy and NEMA NU 4-2008 image quality parameters. [PDF]

EJNMMI Res, 2013
Abstract Background The use of iodinated contrast media in small-animal positron emission tomography (PET)/computed tomography (CT) could improve anatomic referencing and tumor delineation but may introduce inaccuracies in the attenuation correction of the PET images.
Lasnon C, Quak E, Briand M, Gu Z, Louis MH, Aide N.   +5 more
europepmc   +4 more sources