| EPSRC Reference: |
GR/S80172/01 |
| Title: |
High resolution, small field view of SQUID-MRI at low magnetic field strengths |
| Principal Investigator: |
Seton, Dr H |
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| Project Partners: |
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| Department: |
Biomedical Physics and Bioengineering |
| Organisation: |
University of Aberdeen |
| Scheme: |
First Grant Scheme Pre-FEC |
| Starts: |
01 November 2004 |
Ends: |
28 February 2007 |
Value (£): |
125,230
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| EPSRC Research Topic Classifications: |
| Magnetism/Magnetic Phenomena |
Med.Instrument.Device& Equip. |
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Summary on Grant Application Form |
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The new bench-top magnetic resonance imaging (MRI) system will be developed for scanning small samples and body parts. This will be capable of forming images in 5-15 minutes with a resolution of approximately 100 microns from a 5 mm-thick slice over a 25 mm x 25 mm field of view. Signals will be detected using a very low-noise, superconducting receiver coil, cooled with liquid helium in a modified cryostat. The nuclear magnetic resonance (NMR) signals induced in this coil will be amplified using a superconducting quantum interference device (SQUID). The main magnetic field, of approximately 0.02 T, will be generated by a permanent magnet, comprising steel pole faces and blocks of rare-earth magnetic material. The field uniformity and stability will be measured initially using a gauss-meter and then from NMR measurements. If necessary, temperature control will be used to reduce thermally-induced field drift. Images will be formed by adding pulsed gradient fields to the main magnetic field. These will be generated using a set of three orthogonal gradient coils, designed and constructed following established principles. The system will be interfaced to a desktop PC, using code written in the C/C++ programming language. Performance will be assessed by imaging human fingers, and food and plant samples.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.abdn.ac.uk |