| 摘要 |
The invention refers to a sensor (10) for measuring viscosity, density and/or mass variations of a fluid which is to be analysed, for example, a sensor for blood coagulation or immunoassay. According to the invention, the reactives required for the essay are contained in a supporting body (13), arranged over a measuring surface (18) of a piezoelectric means (8). As a blood coagulation sensing means, the measuring surface (18) may be suitable, according to the present invention, as a coagulation activator and it can further be covered with agents which activate coagulation.
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