<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><br></div>Hi Milad,<div><br></div><div>within the NEMA specifications there are also those for</div><div>small animal imaging with PET. You should check such</div><div>documentation and also previous publication like that, which</div><div>you can find via the link given below.</div><div><br></div><div>Hope this helps,</div><div><br></div><div>Kind regards,</div><div><br></div><div>Uwe Pietrzyk</div><div><br></div><div><br></div><div><a href="https://www.ncbi.nlm.nih.gov/pubmed/22699999">https://www.ncbi.nlm.nih.gov/pubmed/22699999</a></div><div>"<span style="font-family: arial, helvetica, clean, sans-serif; font-size: 1.3em; line-height: 1.125em;">NEMA NU 4-2008 comparison of preclinical PET imaging systems."</span><br><div>
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><span style="orphans: 2; widows: 2;">/----------------------------------------------------------------------</span></div><div style="orphans: 2; widows: 2;">Prof. Dr. Uwe Pietrzyk<br>Diplom-Physiker<br>Institut für Neurowissenschaften und Medizin / INM-4<br>Forschungszentrum Jülich GmbH<br>52425 Jülich<br>Tel: +49-2461-61 4763<br>Fax: +49-2461-61 2820<br>Mobil: +49-162-103-4871<br>eMail: <a href="mailto:U.Pietrzyk@fz-juelich.de">U.Pietrzyk@fz-juelich.de</a><br><a href="http://www.fz-juelich.de/inm/inm-4/DE/Home/home_node.html">http://www.fz-juelich.de/inm/inm-4/DE/Home/home_node.html</a><br>&<br>Bergische Universität Wuppertal<br>Fakultät für Mathematik und Naturwissenschaften</div><div style="orphans: 2; widows: 2;">Büro: D.08.01<br>Gaußstr. 20<br>42097 Wuppertal<br>Tel: +49-(0)202-439-3523<br>Fax: +49-(0)202-439-2811<br>eMail: <a href="mailto:Uwe.Pietrzyk@physik.uni-wuppertal.de">Uwe.Pietrzyk@uni-wuppertal.de</a><br><a href="http://www.medizinphysik.uni-wuppertal.de/">http://www.medizinphysik.uni-wuppertal.de</a><br>----------------------------------------------------------------------/</div></div>
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<br><div><div>On 23 Dec 2016, at 09:45, Milad Fard <<a href="mailto:miladfard.mailbox@gmail.com">miladfard.mailbox@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr"><div><div><div><div>Hello dear gaters<br><br>I simulated a 198 KBq spherical 18F point source to measure the absolute sensitivity of my system (microPET)<br></div>The source was positioned at the center of the FOV and scanned for 300 s.<br><br>I would like to evaluate the sensitivity of my system.<br>Any idea will be greatly appreciated.<br><br>Best regards,<br><br></div>Milad Fard<br><br></div>Nuclear physics PhD student <br></div>University of Guilan<br></div>
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