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Ultra-High Resolution RF Probe for MR Histology

Ultra-High Resolution RF Probe for MR Histology
用于 MR 组织学的超高分辨率射频探头
批准号:
6338266
负责人:
MICHAEL G IZENSON
金额:
$15.27万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-05-10 至 2002-01-31

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中文摘要
翻译
用磁共振组织学对小动物的大脑成像
英文摘要
Magnetic resonance histology to image the brains of small animals is a critical technology for biology, toxicology, and drug discovery research. To achieve high-resolution, the radio frequency (RF) probes used to obtain the images must have a very high signal-to-noise ratio. We propose an innovative RF probe fabricated from high-temperature superconducting material. The probe achieves high signal-to-noise ratio through the use of superconducting coil elements. The novel cryogenic design enables precise control of the coil's temperature. The probe design provides a solenoid coil surrounding the sample for excellent coupling to the primary magnetic field, cryogenic cooling distributed uniformly throughout the coil, and superinsulation that enables the coil to be located very close to the sample. The probe design can accommodate samples up to 2 cm in diameter, enabling MR histology of both mouse and rat brains. In Phase I, we will prove the feasibility of the superconducting RF coil by: (1) fabricating a prototypical coil element, and (2) demonstrating the element's performance under prototypical, cryogenic conditions. PROPOSED COMMERCIAL APPLICATION: The key application for the RF probe is MR histology of small animal specimens. MR histology (MRH) promises enormous benefits because it is extremely fast, allows use of unique "proton stains," produces three-dimensional images of tissues, and produces digital images that are easily shared. MRH has enormous screening potential because tissues can be excised and scanned immediately. As a result, the RF probe developed in this program will enable tremendous cost savings in the fields of drug discovery, toxicology, and the study of fundamental physiology and disease mechanisms. Customers for the probe will include pharmaceutical companies, research laboratories, and MR pathology service providers.
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  • 批准号:
    6834452
  • 项目类别:
  • 资助金额:
    $13.46万
  • 财政年份:
    2004
  • 负责人:
    MICHAEL G IZENSON
  • 依托单位:
ULTRA HIGH RESOLUTION RF PROBE FOR MR HISTOLOGY
  • 批准号:
    6977799
  • 项目类别:
  • 资助金额:
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  • 财政年份:
    2004
  • 负责人:
    MICHAEL G IZENSON
  • 依托单位:
Improved Sensitivity MR Microscopy for Cancer Imaging
  • 批准号:
    6834189
  • 项目类别:
  • 资助金额:
    $10.22万
  • 财政年份:
    2004
  • 负责人:
    MICHAEL G IZENSON
  • 依托单位:
Lightweight Power Source for Heart Assist Devices
  • 批准号:
    6789060
  • 项目类别:
  • 资助金额:
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  • 财政年份:
    2004
  • 负责人:
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