institut für kernchemie. scientific profile of the institute of nuclear chemistry and the research...
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![Page 1: Institut für Kernchemie. Scientific profile of the Institute of Nuclear Chemistry and the research reactor TRIGA Mainz Chemistry / physics of the heaviest](https://reader031.vdocument.in/reader031/viewer/2022013012/56649f3b5503460f94c59996/html5/thumbnails/1.jpg)
Institut für Kernchemie
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Scientific profileof the Institute of Nuclear Chemistry and
the research reactor TRIGA Mainz
Chemistry / physics of the
heaviest elementsJ.V. Kratz
Fundamental research in
nuclear chemistryJ. V. Kratz
Nuclear chemistry in life sciences
F. Rösch
Nucleon research
J.V. Kratz, C. Plonka-Spehr
Research reactor TRIGA
MainzG. Hampel
Radio-pharmaceutical
chemistryF. Rösch
Spectroscopic methodsT. Reich
W. Nörtershäuser
Speciation / analysis of the environment
T. ReichG. Hampel
Education and training
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Ultratrace Analysiswith Laser Radiation
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Ultratrace analysis with RIMS
Principal of the resonance laser ionization mass spectrometry (RIMS):
1. Production of an atomic beam
2. Efficient three step ionization of the atoms by lasers
3. Mass separation of the ions by a time-of-flight mass spectrometer
4. Extremely high isotopic selectivity of 5×1012 and low experimental limit of detection of 106 atoms per sample
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•Plutonium in the environment– Powder sample from the Elbmarsch– Water sample from the North Sea and the Irish Sea– Incorporation measurements – Stolen plutonium from a reprocessing facility– Uranium amunitions from the Kosovo– Water samples from Rheinland-Pfalz
•Calcium-41 in the biological medicine
•Uranium-236 in the environment
Applications of ultratrace analysis with RIMS
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Application of synchrotron radiation for structural analysis
Investigation of long-lived radio-nuclides (actinides) in
– aqueous solutions,– soils,– plants and– microorganisms
by X-ray absorption fine structure (XAFS) spectroscopy
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Information from XAFS spectra Molecular symmetry and oxidation state
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Information from XAFS spectra
Bond distances and coordination numbers
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The UNILAC-Accelerator
A facility to produce artificial elements is installed at GSI-Darmstadt.
Synthesis of artificial elements by nuclear fission
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Island of stability in the N,Z diagram
N
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Periodic Table of the Elements (2008)27 artificially produced elements
Chemistry of the heaviest elements (transactinides)
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Radiopharmaceutical chemistry
Nuclear chemistry in life sciences
Membrane receptors (Somatostatin): Diagnosis and therapy of neuro-endocrine tumors
using 86/90Y-labeled peptides
Glycolysis: Visualization of glucose metabolism using 2-[18F]FDG(2-[18F]fluorodesoxy-glucose)
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HO
HO 18F
COOHH
NH2
Brain researchSynthesis of neurotransmitters
Dopamine receptor system: Parkinson, Schizophrenia, ...Opiate receptor system: Pain, addiction, ...Glucose metabolisms: Alzheimer, epilepsy, ...Benzodiazepine receptor system: Alcohol dependency, fear,…
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Positron Emission Tomography (PET)
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Reactor Training Course for theReactor Training Course for the
2008
University of South Carolina
TRIGA Mainz
Dr. Gabriele HampelJohannes Gutenberg - Universität Mainz