Patent ID: 6692696
Filing Date: 2004-02-17
Classification: G01N,Y10S

Abstract:
Apparatus for detecting a ligand in a vapor medium; said apparatus comprising:(a) a sensing element which comprises at least one Guanyl-Nucleotide-Binding Protein Coupled Receptor (GPCR); (b) means for exposing a vapor medium to the sensing element; (c) automatic monitoring means for monitoring response of the sensing element; and (d) utilization means, responsive to the automatic monitoring means; wherein the utilization means are selected from the group consisting of: an annunciator for alerting an operator to results of the comparison, a door lock or other automatic access-control device for admitting or not admitting a person to a facility, a lock or other automatic access-control device for enabling or not enabling a person to have access to use of a facility, an apparatus, credit, information, or a service, and an automatic transport device for carrying or not carrying an object through or into a facility or apparatus.