Dipl. Phys. Abdelhamid Zakhnini - Reactive Transport Division

Research InterestProjectsSelected PublicationsWork Experience  -  Memberships


Research Interest

Simulation of gamma ray attenuation and scattering in geomaterials

  • Simulation of detector systems in medical imaging

  • Activity distributions in different geomaterials

  • Imaging reconstruction using monte carlo simulation GATE


Projects

Ongoing Projects (since 01/2012)

  • Monte Carlo simulations: impact of attenuation corrected normalisations, selected filtes and new scatter corrections on 3D GeoPET experiments

Completed projects (03/2010-12/2011)

  • Monte Carlo simulations of GeoPET experiments: 3D images of tracer distributions (F-18, I-124 and Co-58) in Opalinus Clay, anhydrite and quartz (BMWi project)


Publications

  • Zakhnini, A., Kulenkampff, J., Sauerzapf, S., Pietrzyk, U., Lippmann-Pipke, J.: Monte Carlo simulations of GeoPET experiments: 3D images of tracer distributions 18F, 124I and 58Co in Opalinus Clay, anhydrite and quartz. doi:10.1016/j.cageo.2013.03.023 Comp. Geosci.available online since April 16th, 2013
  • Pietrzyk, U., Zakhnini, A., Axer, M., Sauerzapf, S., Benoit, D., Gaens, M.: EduGATE – basic examples for educative purpose using the GATE simulation platform. Z. Med. Phys. 2013 Feb;23(1):65-70.

  • Zakhnini, A.  A Study to determine the Scatter Correction Factor for measurements with a Dual Detector Gamma Camera. Diploma thesis (2010), University of Wuppertal

Contributions at Conferences and Meetings

  •  Kulenkampff, J.; Lippmann-Pipke, J.; Zakhnini, A.; Pietrzyk, U.: Observations of transport processes in dense material as challenge for PET imaging procedures and image reconstruction methods. 2012 Workshop “Tomography, data processing and image reconstruction for medicine and engineering”, Dresden, Germany
  • Sauerzapf, S.; Zakhnini, A.; Weber, W.; Pietrzyk, U.; Mix, M.: Analyse und Optimierung einer Positronenreichweitenkorrektur innerhalb der iterativen Rekonstruktion für die Kleintierbildgebung. 43. Jahrestagung der Deutschen Gesellschaft für Medizinische Physik (2012), Jena, Germany
  • Zakhnini, A.; Kulenkampff, J.; Lippmann-Pipke, J.; Pietrzyk, U.: GATE-Based Simulation in GeoSciences. OpenGATE collaboration meeting (2012), Athen, Greece
  • Kulenkampff, J.; Gründig, M.; Schikora, J.; Zakhnini, A.; Lippmann-Pipke, J.: Long-term spatiotemporal monitoring of diffusion processes in Opalinus drill cores with GeoPET and parameterization with Comsol Multiphysics. 5th International Meeting on "Clays in Natural and Engineered Barriers for Radioactive Waste Confinement" (2012), Montpellier, France
  • Sauerzapf, S.; Zakhnini, A.; Weber, W.; Pietrzyk, U.; Mix, M.: Korrekturen für nichtreine und hochenergetische Positronenstrahler in der Kleintierbildgebung unter Verwendung von Monte-Carlo Simulationen. Die 50. Jahrestagung der Deutschen Gesellschaft für Nuklearmedizin (2012), Bremen, Germany
  • Thomas, L.; Sauerzapf, S.; Mix, M.; Zakhnini, A.; Gaens, M.; Axer, M.; Pietrzyk, U.: A Simulation study to determine the influence of low-energy bremsstrahlungs photons on the acquisition of very rare coincidence events from Yttrium-90 decay. Die 50. Jahrestagung der Deutschen Gesellschaft für Nuklearmedizin (2012), Bremen, Germany
  • Sauerzapf, S.; Thomas, L.; Behe, M.; Weber, W.; Pietrzyk, U.; Zakhnini, A.; Mix, M.: Using Monte-Carlo Simulations to implement corrections for I-124 as a non-pure positron emitter in small animal and human PET imaging. IEEE Nuclear Science Symposium and Medical Imaging Conference (2011), Valencia, Spain
  • Zakhnini, A.; Kulenkampff, J.; Sauerzapf, S.; Lippmann-Pipke, J.; Pietrzyk, U.: Monte Carlo simulations of a ClearPET: Scatter and attenuation of gamma rays in various rock formations. IEEE Nuclear Science Symposium and Medical Imaging Conference (2011), Valencia, Spain
  • Sauerzapf, S.; Zakhnini, A.; Behe, M.; Thomas, L.; Axer, M.; Weber, W.; Pietrzyk, U.; Mix, M.: Optimierung des Energiefensters für I-124 anhand von Monte-Carlo Simulationen und PET-Messungen an Kleintier- und Human-Tomographen. NuklearMedizin2011, Bregenz, Austria
  • Zakhnini, A.: GATE goes material sciences – ClearPET in enviromental research. OpenGATE collaboration meeting (2010), Köln, Germany


Work Experience

Institution

Period

Country

Helmholtz-Zentrum Dresden-Rossendorf
Institute of Resource Ecology
(former Institute of Radiochemistry)
Research Site Leipzig
Reactive Transport Division


at present,
since 05/2010


Germany

 

University of Wuppertal BUW
Student assistant

10/2008 - 04/2010

Germany

 

Memberships

OpenGATE collaboration


Conferences & Workshops attended

  • Workshop Tomography, data processing and image reconstruction for medicine and engineering, (2012) Dresden, Germany
  • OpenGATE meeting 2012,  Athen, Greece
  • IEEE Nuclear Science Symposium, Medical Imaging Conference, and 18th International Workshop on Room-Temperature Semiconductor X-ray and Gamma-ray Detectors, (2011) Valencia, Spain