Ileana Hancu

Summary

Affiliation: GE Healthcare
Country: USA

Publications

  1. ncbi request reprint Detection of sodium ions in anisotropic environments through spin-lock NMR
    Ileana Hancu
    MR Research Center, Department of Physics, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
    Magn Reson Med 47:68-74. 2002
  2. pmc Optimized glutamate detection at 3T
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    J Magn Reson Imaging 30:1155-62. 2009
  3. pmc Which pulse sequence is optimal for myo-inositol detection at 3T?
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    NMR Biomed 22:426-35. 2009
  4. doi request reprint Three-frequency RF coil designed for optimized imaging of hyperpolarized, 13C-labeled compounds
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York, 12309, USA
    Magn Reson Med 60:928-33. 2008
  5. ncbi request reprint Accurate flip-angle calibration for 13C MRI
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    Magn Reson Med 58:128-33. 2007
  6. ncbi request reprint Automatic repositioning of single voxels in longitudinal 1H MRS studies
    Ileana Hancu
    GE Global Research Center, Niskayuna, NY 12309, USA
    NMR Biomed 18:352-61. 2005
  7. ncbi request reprint 1H MR spectroscopy using TE averaged PRESS: a more sensitive technique to detect neurodegeneration associated with Alzheimer's disease
    Ileana Hancu
    GE Global Research Center, One Research Circle, K1 NMR138, Niskayuna, NY 12309, USA
    Magn Reson Med 53:777-82. 2005
  8. pmc Field shaping arrays: a means to address shading in high field breast MRI
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York, USA
    J Magn Reson Imaging 36:865-72. 2012
  9. pmc Improved myo-inositol detection through Carr-Purcell PRESS: a tool for more sensitive mild cognitive impairment diagnosis
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    Magn Reson Med 65:1515-21. 2011
  10. pmc A multislice gradient echo pulse sequence for CEST imaging
    W Thomas Dixon
    GE Global Research, Niskayuna, New York 12309, USA
    Magn Reson Med 63:253-6. 2010

Collaborators

Detail Information

Publications23

  1. ncbi request reprint Detection of sodium ions in anisotropic environments through spin-lock NMR
    Ileana Hancu
    MR Research Center, Department of Physics, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
    Magn Reson Med 47:68-74. 2002
    ....
  2. pmc Optimized glutamate detection at 3T
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    J Magn Reson Imaging 30:1155-62. 2009
    ..To identify the pulse sequence and acquisition parameters that result in the most accurate and repeatable measurements of glutamate (Glu) concentration in the brain at 3T...
  3. pmc Which pulse sequence is optimal for myo-inositol detection at 3T?
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    NMR Biomed 22:426-35. 2009
    ..This sequence was implemented in a clinical scanner, and improved mI measurements were demonstrated in vivo...
  4. doi request reprint Three-frequency RF coil designed for optimized imaging of hyperpolarized, 13C-labeled compounds
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York, 12309, USA
    Magn Reson Med 60:928-33. 2008
    ..Images at the three resonant frequencies of this coil are presented from an exam involving hyperpolarized (13)C compounds in vivo...
  5. ncbi request reprint Accurate flip-angle calibration for 13C MRI
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    Magn Reson Med 58:128-33. 2007
    ..Accurate FA calibration is demonstrated at the (13)C frequency for in vivo rat experiments using this approach...
  6. ncbi request reprint Automatic repositioning of single voxels in longitudinal 1H MRS studies
    Ileana Hancu
    GE Global Research Center, Niskayuna, NY 12309, USA
    NMR Biomed 18:352-61. 2005
    ....
  7. ncbi request reprint 1H MR spectroscopy using TE averaged PRESS: a more sensitive technique to detect neurodegeneration associated with Alzheimer's disease
    Ileana Hancu
    GE Global Research Center, One Research Circle, K1 NMR138, Niskayuna, NY 12309, USA
    Magn Reson Med 53:777-82. 2005
    ..This increased sensitivity enables new MR applications and, among other benefits, allows for smaller group sizes in drug trials, which can significantly reduce the cost of such trials...
  8. pmc Field shaping arrays: a means to address shading in high field breast MRI
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York, USA
    J Magn Reson Imaging 36:865-72. 2012
    ..To develop a simple correction approach to mitigate shading in 3 Tesla (T) breast MRI...
  9. pmc Improved myo-inositol detection through Carr-Purcell PRESS: a tool for more sensitive mild cognitive impairment diagnosis
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    Magn Reson Med 65:1515-21. 2011
    ....
  10. pmc A multislice gradient echo pulse sequence for CEST imaging
    W Thomas Dixon
    GE Global Research, Niskayuna, New York 12309, USA
    Magn Reson Med 63:253-6. 2010
    ..Pulse repetition time and signal-to noise ratio increase in the normal way as more slices are imaged simultaneously...
  11. pmc On shimming approaches in 3T breast MRI
    Ileana Hancu
    GE Global Research Center, Niskayuna, New York 12309, USA
    Magn Reson Med 69:862-7. 2013
    ..On the average, a rectangular shim region of interest, encompassing the breast region alone, worked best for the cohort studied here...
  12. doi request reprint CEST and PARACEST MR contrast agents
    Ileana Hancu
    GE Global Research Center, Niskayuna, NY, USA
    Acta Radiol 51:910-23. 2010
    ..We summarize the status of development of these CEST agents, and speculate about the next steps that may be taken towards the demonstration of CEST MR imaging in clinical applications...
  13. pmc A concentration-independent method to measure exchange rates in PARACEST agents
    W Thomas Dixon
    GE Global Research, Niskayuna, New York, USA
    Magn Reson Med 63:625-32. 2010
    ..Thus, this new method potentially allows access to a direct measure of exchange rates in vivo, where the agent concentration is typically unknown...
  14. doi request reprint Accelerated spectroscopic imaging of hyperpolarized C-13 pyruvate using SENSE parallel imaging
    Arjun Arunachalam
    GE Global Research Center, Niskayuna, NY 12309, USA
    NMR Biomed 22:867-73. 2009
    ..The advantages and disadvantages of parallel imaging in the context of imaging hyperpolarized compounds are discussed...
  15. pmc B1 mapping by Bloch-Siegert shift
    Laura I Sacolick
    Imaging Technologies Lab, GE Global Research, Munich, Germany
    Magn Reson Med 63:1315-22. 2010
    ..As such, this method enables robust, high-resolution B(1)(+) mapping in a clinically acceptable time frame...
  16. pmc Dynamic slice-dependent shim and center frequency update in 3 T breast diffusion weighted imaging
    Seung Kyun Lee
    GE Global Research Center, Niskayuna, New York, USA
    Magn Reson Med 71:1813-8. 2014
    ..To demonstrate dynamic slice-dependent shim update as a simple method to reduce susceptibility-induced B0 inhomogeneity and associated pixel shift artifacts in diffusion-weighted echo planar imaging (DW-EPI) in 3 T breast imaging...
  17. pmc Patient-to-patient variation of susceptibility-induced B₀ field in bilateral breast MRI
    Seung Kyun Lee
    GE Global Research, Niskayuna, New York, USA
    J Magn Reson Imaging 36:873-80. 2012
    ..To evaluate intersubject variability of susceptibility-induced static field inhomogeneity in breast and to assess effectiveness of whole-body high-order shimming applied to bilateral breast...
  18. doi request reprint The case of the missing glutamine
    Ileana Hancu
    GE Global Research Center, Niskayuna, NY 12309, USA
    NMR Biomed 24:529-35. 2011
    ..An explanation for the mismatch between in vivo (1)H MRS and in vitro (13)C/(1)H MRS at high field was attempted...
  19. ncbi request reprint Loss of cell ion homeostasis and cell viability in the brain: what sodium MRI can tell us
    Fernando E Boada
    Magnetic Resonance Research Center, Department of Radiology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Curr Top Dev Biol 70:77-101. 2005
    ..The second section illustrates the use of sodium MRI for monitoring focal brain ischemia in permanent and temporary primate models of endovascular middle cerebral artery occlusion...
  20. pmc Local specific absorption rate in high-pass birdcage and transverse electromagnetic body coils for multiple human body models in clinical landmark positions at 3T
    Desmond T B Yeo
    General Electric Global Research, Imaging Technologies, Niskayuna, New York, USA
    J Magn Reson Imaging 33:1209-17. 2011
    ..To use electromagnetic (EM) simulations to study the effects of body type, landmark position, and radiofrequency (RF) body coil type on peak local specific absorption rate (SAR) in 3T magnetic resonance imaging (MRI)...
  21. pmc Automatic repositioning of MRSI voxels in longitudinal studies: impact on reproducibility of metabolite concentration measurements
    Eva Maria Ratai
    Massachusetts General Hospital, A A Martinos Center for Biomedical Imaging, Department of Radiology and Neuroradiology Division, Charlestown, Massachusetts 02129, USA
    J Magn Reson Imaging 27:1188-93. 2008
    ..However, one source of variability in such exams arises from imperfect relocalization of the MRSI grid in the follow-up exams...
  22. pmc Multispectral imaging with three-dimensional rosette trajectories
    Elizabeth K Bucholz
    Center for In Vivo Microscopy, Duke University, Durham, North Carolina, USA
    Magn Reson Med 59:581-9. 2008
    ..Three volunteers were scanned using this sequence and separate fat and water images were reconstructed from the same imaging dataset...
  23. ncbi request reprint Automatic prospective registration of high-resolution trabecular bone images of the tibia
    Janet Blumenfeld
    Department of Radiology, University of California, 1700 4th St, Suite 203, Box 2520, San Francisco, CA 94107, USA
    Ann Biomed Eng 35:1924-31. 2007
    ..5% range which are within values previously reported in the literature. Results suggest that this algorithm is robust enough to be used in different musculoskeletal imaging applications including the hip as well as the tibia...