| 摘要 |
<p>A device for testing for the presence of an analyte, the device comprising at least one reagent adapted to provide a colorimetric indication in the presence of the analyte, a catalyst to catalyse the reaction providing the colorimetric indication, and where there is provided one reagent, means for substantially inhibiting reaction between reagent and catalyst or where there is provided more than one reagent, means for substantially inhibiting reaction between said reagents and between said reagents and catalyst, prior to introduction of the analyte, wherein the at least one reagent and the catalyst are solids.</p> |
