| 摘要 |
A method and device for testing for the presence of substances such as drugs in the saliva of a test subject while simultaneously positively identifying the test subject comprising obtaining a saliva sample on a swab (20), adding labelled antibodies to the swab, covering the finger of the test subject with the mixture of saliva and labelled antibodies and pressing the finger onto the membrane of the test device. The device comprises a membrane (38) containing a plurality of separated areas provided with different immobilized antibodies, each of the antibodies having a specific binding site for specific antigens which correspond to the substances to indicate the presence of those substances in the saliva sample. The device further comprises a base area without immobilized antibodies to record the fingerprint of the test subject. |
