QUANTIFICATION OF GLUTAMATE, GLUTAMINE, AND OTHER METABOLITES IN INVIVO PROTON NMR-SPECTROSCOPY

被引:21
作者
BOVEE, WMMJ
机构
[1] Delft University of Technology, Department of Applied physics, Delft, 2600 GA
关键词
D O I
10.1002/nbm.1940040209
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
A reliable quantification of in vivo H-1 MRS spectra is hampered by extensive line overlap, by intensity distortions due to the water suppressing pulse sequence and complex modulation patterns of J-coupled spins, and by deviations between the experimental and model lineshapes in computer fitting programs. By correcting the experimental lineshape, using a suitable pulse sequence, and incorporating prior knowledge about the spin systems and the intensity distortions, a sufficient quantification is possible. If reliable T2 values are available absolute concentrations can be determined.
引用
收藏
页码:81 / 84
页数:4
相关论文
共 13 条
  • [1] ABRAGAM A, 1961, PRINCIPLES NUCLEAR M, P480
  • [2] BARKHUYSEN H, 1986, J MAGN RESON, P371
  • [3] BENDALL MR, 1983, J MAGN RESON, V53, P365, DOI 10.1016/0022-2364(83)90211-1
  • [4] SELECTIVE FOURIER-TRANSFORM LOCALIZATION
    BROOKER, HR
    MARECI, TH
    MAO, JT
    [J]. MAGNETIC RESONANCE IN MEDICINE, 1987, 5 (05) : 417 - 433
  • [5] IMPROVED QUANTIFICATION OF INVIVO H-1-NMR SPECTRA BY OPTIMIZATION OF SIGNAL ACQUISITION AND PROCESSING AND BY INCORPORATION OF PRIOR KNOWLEDGE INTO THE SPECTRAL FITTING
    DEGRAAF, AA
    BOVEE, WMMJ
    [J]. MAGNETIC RESONANCE IN MEDICINE, 1990, 15 (02) : 305 - 319
  • [6] QUALITY - QUANTIFICATION IMPROVEMENT BY CONVERTING LINESHAPES TO THE LORENTZIAN TYPE
    DEGRAAF, AA
    VANDIJK, JE
    BOVEE, WMMJ
    [J]. MAGNETIC RESONANCE IN MEDICINE, 1990, 13 (03) : 343 - 357
  • [7] THE USE OF INVIVO PROTON NMR TO STUDY THE EFFECTS OF HYPERAMMONEMIA IN THE RAT CEREBRAL-CORTEX
    DEGRAAF, AA
    DEUTZ, NEP
    BOSMAN, DK
    CHAMULEAU, RAFM
    DEHAAN, JG
    BOVEE, WMMJ
    [J]. NMR IN BIOMEDICINE, 1991, 4 (01) : 31 - 37
  • [8] Deutz N E, 1988, NMR Biomed, V1, P101, DOI 10.1002/nbm.1940010208
  • [9] LOCALIZED PROTON NMR-SPECTROSCOPY IN DIFFERENT REGIONS OF THE HUMAN-BRAIN INVIVO - RELAXATION-TIMES AND CONCENTRATIONS OF CEREBRAL METABOLITES
    FRAHM, J
    BRUHN, H
    GYNGELL, ML
    MERBOLDT, KD
    HANICKE, W
    SAUTER, R
    [J]. MAGNETIC RESONANCE IN MEDICINE, 1989, 11 (01) : 47 - 63
  • [10] GADIAN DG, 1986, 5TH SOC MAGN RES MED, P785