| 摘要 |
A sample carrier, such as a test chip 10, is provided with at least a pair of electrodes 38, 40 at the extremities of a sample holding zone 16, 18, 32-36. A power source (52; fig 10) is operable to supply electrical potential to the electrodes 38, 40 which causes a short circuit in a sample in the sample holding portion, thereby to heat this to a sterilisation temperature. In this manner, contagious elements in a sample can be sterilised.
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