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T1R DISPERSION IMAGING OF 17O OPTIMIZATION W/ ERROR ANALYSIS

T1R DISPERSION IMAGING OF 17O OPTIMIZATION W/ ERROR ANALYSIS
带误差分析的 17O 优化 T1R 色散成像
批准号:
6121033
负责人:
SRIDHAR R CHARAGUNDLA
金额:
$1.35万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-09-30 至 1999-09-29

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中文摘要
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英文摘要
Proton T1r dispersion imaging holds great promise as a method of measuring and imaging 17O concentrations. However, careful choice of pulse sequence parameters is crucial to its proper operation. In particular, the choices of spin-locking times and spin-locking powers are of utmost importance in maximizing the sensitivity and specificity for 17O. We have begun to use a "propagation of error" analysis to determine the optimum spin-locking powers and times for tissues of varying relaxation properties and 17O concentrations. The results of our mathematical modelling will be verified with in vitro and in vivo experiments.
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MEASUREMENT OF VENTRICULAR DYSSYNCHRONY WITH CARDIAC MRI
  • 批准号:
    7600822
  • 项目类别:
  • 资助金额:
    $1.65万
  • 财政年份:
    2007
  • 负责人:
    SRIDHAR R CHARAGUNDLA
  • 依托单位:
NEW PULSE SEQUENCE FOR INDIRECT DETECTION OF 17O IN BRAIN
  • 批准号:
    6657633
  • 项目类别:
  • 资助金额:
    $22.55万
  • 财政年份:
    2002
  • 负责人:
    SRIDHAR R CHARAGUNDLA
  • 依托单位:
BRAIN: IN VIVO MEASUREMENT OF 17O W/ SURFACE COIL STEAM DECOUPLING
  • 批准号:
    6657634
  • 项目类别:
  • 资助金额:
    $22.55万
  • 财政年份:
    2002
  • 负责人:
    SRIDHAR R CHARAGUNDLA
  • 依托单位:
BRAIN:T1_ DISPERSION IMAGING OF 17O IN VIVO
  • 批准号:
    6657635
  • 项目类别:
  • 资助金额:
    $22.55万
  • 财政年份:
    2002
  • 负责人:
    SRIDHAR R CHARAGUNDLA
  • 依托单位:
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