Patent ID: 9140677
Filing Date: 2015-09-22
Classification: G01N

Abstract:
1. A method of determining whether or not a test scent conferred by a test sample matches a target scent conferred by a target sample, which method comprises, in combination: (a) using a portion of a test sample as a null control sample, (b) creating a positive control sample by adding all or part of the target sample to another portion of the test sample; (c) measuring a positive control response and a null control response, the positive control response comprising response of a first set of sensors to the positive control sample, and the null control response comprising response of a second set of sensors to the null control sample; and (d) using one or more processors to determine whether or not the target scent matches the test scent; wherein, if the one or more processors make a determination that the target and test scent match, the one or more processors make this determination only after: