77207139
Jun 15, 2007
Oct 13, 2009
Non-medical non-invasive system for the qualitative detection of narcotics and/or their metabolites on any surface medium based on the principle of competitive binding, the system comprising a buffer tube containing a buffer solution, a collection tube, a sponge collector and a test device, namely, a lateral flow chromatographic irnmunoassay
Electrical and Scientific Apparatus