Dynamic Nuclei Polarization

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Dissolution Procedure ➣ ➣ ➣ DNP-insert replaced by ‘dissolution’ insert Dissolution of the solid material by water (some bar at ~ 150°C) Dissolution exit directly connected with the infusion apparatus H 2 O (150°C, 12 bar) dissolved sample + 4 He-Gas → infusion apparatus NMR coils target material ~ 1ml
Liquid Sample Transfer PSI-apparatus Infusion pump separates liquid from gas DNP-building (3.35 T) 9.4 T MRI ➣ ➣ ➣ Dissolution, transfer and infusion in ~ 15 s (lost ~ 50% of the starting polarization) Remaining enhancement factor ~ 5000-10000 DNP and MRI at different magnetic fields
Page 1 and 2: Dynamic Nuclei Polarization from th
Page 3 and 4: Quarks and Leptons build our World
Page 5 and 6: E ≈ h λ Generally: the higher th
Page 7 and 8: CERN COMPASS Experiment
Page 9 and 10: Concept: SPIN
Page 11 and 12: What is SPIN ? Spin up magnetic fie
Page 13 and 14: Polarization = Orientation of Spins
Page 15 and 16: Dynamic Polarized Solid Targets Met
Page 17 and 18: Polarized Neutrontarget ➣ Deutero
Page 19 and 20: Air Modern Lungdiagnostics (77% nit
Page 21 and 22: Polarized 3 He Particle Physics: St
Page 23 and 24: DNP ⇒ Medical Diagnostics 13 C-is
Page 25: DNP-Polarizer Apparatus e.g. EPF La
Page 29 and 30: Pioneers: Amersham/Health Malmö no
Page 31 and 32: Bochum / GE Healthcare Focus: 1) de

Dynamic Nuclei Polarization

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