Apparatus and Method for the Detection of Cells
An apparatus and method for in-vivo detection of magnetically labelled biological molecules or cells, located in a flowing medium in a human or animal body such as the blood stream (13). The apparatus provides a magnetic field to a region of interest inside the body in order to attract the magnetically labelled biological molecules or cells (15) to the region of interest. A second magnetic field provides a variable magnetic field to the region of interest and which transfers energy to the magnetically labelled biological molecules or cells. A detector detects changes in the electromagnetic energy emitted by the labelled cells in response to the variable magnetic field generated by the second magnetic field source and provides a quantitative or qualitative measure of the magnetically labelled biological molecules or cells. The energy detected may be infra-red energy.
WANG ZHIGANG [GB]
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