Uppåt


bullet Contact
 
Name Title Phone E-mail
Gunther Helms Ph.D. Docent
+49-551-39-13132 gunther.helms[at]cns.ki.se


bullet Published papers
bullet Helms G, Frahm J
Magnetization Transfer  Attenuation of Creatine Resonances in Localized Proton MRS of Human Brain in vivo.
NMR Biomed 1999; 12:490-494.

bullet Helms G, Piringer A
Magnetization Transfer of Water T2-Relaxation Components in Human Brain: Implications for T2-based Segmentation of Spectroscopic Volumes

Magn Reson Imaging 2001; 19:803-811.

bullet Helms G, Hagberg GE
Quantification of Magnetization Transfer by Sampling the Transient Signal Using MT-Prepared Single-Shot EPI
Concepts Magn Reson A 2003; 19A:149-152.

bullet Helms G, Hagberg GE
Pulsed Saturation of the Standard Two-Pool Model for Magnetization Transfer - Part I: The Steady State
Concepts Magn Reson A 2004; 21A:37-49.

bullet Helms G, Dathe H, Hagberg GE
Pulsed Saturation of the Standard Two-Pool Model for Magnetization Transfer - Part II: The Transition to Steady State

Concepts Magn Reson A 2004; 21A:50-62.

bullet Helms G, Piringer A
Simultaneous Measurement of Saturation and Relaxation in Human Brain by Repetitive Magnetization Transfer Pulses
NMR Biomed 2005; 18:44-50.

bullet Helms G, Piringer A
Quantitative Magnetization Transfer by Trains of Radio-Frequency Pulses at High Duty Cycles in Human Brain: Extension of a Free Evolution Model to Continuous-Wave-Like Conditions
Magn Reson Imaging 2005; 23:723-731.

bullet Helms G
Interaction of exchange and differential saturation in the saturation recovery behavior of the binary spin-bath model for magnetization transfer

Concepts Magn Reson A 2006; in press.

 

bullet Exam works
bullet Andreas Piringer
Quantitive Evaluation of magnetisation transfer (MT) in the human brain: Extrapolation from fast pulse repetition to continuous wave saturation
Medical Radiation Physics, Stockholms Universitet/Karolinska Institutet, Stockholm,  1998