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Pioneering research could make UK a world leader
November 13, 2003Speculative research being pioneered at Northumbria University could make major medical advances in screening patients in the future.
Dr David Smith from the School of Engineering and Technology is developing a microwave imaging system which would replace X-rays.
The work, currently under patent, seeks to develop a technique to allow three-dimensional imaging by measuring a single two-dimensional intensity pattern - otherwise known as a hologram. This would enable results to be recorded in a fast and inexpensive manner.
It has advantages over optical frequencies in that microwave radiation is able to penetrate beneath the surface of materials, allowing imaging of objects which cannot be seen at optical frequencies.
The research has already attracted a showcase grant of £125,000 from the Wellcome Trust because of the potentially huge medical advances it could provide.
Unlike X-rays, which can destroy tissue, microwaves are harmless to the human body and would allow medical practitioners to view a 3-D image of organs and tumours. At the moment there is a high false-positive and false-negative rate of diagnosis due to the difficulty of seeing a clear difference between healthy and cancerous tissue.
Dr Smith is working with Professor Tom Lennard of Newcastle University's Medical School in this aspect of his research.
Other applications for the imaging include using the technique to detect concealed weapons and mines and other buried munitions. The Engineering and Physical Sciences Research Council are funding this aspect of the research to the tune of £90,000.
The technique was originally developed to determine the radiation characteristics of microwave antennas. When that proved successful, it became clear that the technique could have other applications.
Dr Smith said: "Much of the research is still at the very early stages. It's like setting out to climb Everest and finding you're still at base camp. But we've seen the summit and the next few years will be critical in progressing this research.
"It has the potential to establish the United Kingdom as the world leader in 3D microwave holographic imaging for medical, security and industrial applications.''
Northumbria University
It has advantages over optical frequencies in that microwave radiation is able to penetrate beneath the surface of materials, allowing imaging of objects which cannot be seen at optical frequencies.
The research has already attracted a showcase grant of £125,000 from the Wellcome Trust because of the potentially huge medical advances it could provide.
Unlike X-rays, which can destroy tissue, microwaves are harmless to the human body and would allow medical practitioners to view a 3-D image of organs and tumours. At the moment there is a high false-positive and false-negative rate of diagnosis due to the difficulty of seeing a clear difference between healthy and cancerous tissue.
Dr Smith is working with Professor Tom Lennard of Newcastle University's Medical School in this aspect of his research.
Other applications for the imaging include using the technique to detect concealed weapons and mines and other buried munitions. The Engineering and Physical Sciences Research Council are funding this aspect of the research to the tune of £90,000.
The technique was originally developed to determine the radiation characteristics of microwave antennas. When that proved successful, it became clear that the technique could have other applications.
Dr Smith said: "Much of the research is still at the very early stages. It's like setting out to climb Everest and finding you're still at base camp. But we've seen the summit and the next few years will be critical in progressing this research.
"It has the potential to establish the United Kingdom as the world leader in 3D microwave holographic imaging for medical, security and industrial applications.''
Northumbria University
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