| 摘要 |
There is provided a method for indicating the presence of a material to be detected in a fluid comprising: bringing the fluid containing the material to be detected into contact with a detection region containing cellular material; monitoring an electrical property across the detection region; and detecting the presence of the material by sensing at least a predetermined change in the electrical property across the detection region. Also provided is an apparatus for indicating the presence of a material to be detected in a fluid, comprising: a container capable of holding cellular material located within a predetermined region of said container, said container being adapted to enable a fluid to be brought into contact with cellular material held in said container; and a detector capable of sensing at least a predetermined change in an electric property across said predetermined region.
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