Assay device for evaluating entrainable substances

摘要

Diagnostic testing apparatus (10) for evaluating entrainable substances (e.g. for determining allergen activity in house dust), comprising a housing (12) for collection and testing of entrainable substances, the housing (12) having: an inlet (14); an outlet (16); a filter (18) disposed between the inlet and the outlet which is configured to capture substances entrained in air flowing from the inlet (14) to the outlet (16); a reservoir (20) for storing fluid for use in evaluating substances captured on the filter (18); and means (21, 24) for releasing stored fluid from the reservoir (20) onto the filter (18).