Patent ID: 11923419
Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTA
Field: Measurement (Instruments)
Classification: CPC H  A  C  G | IPC A  C  G  H

Claim 17:
18. A method for detecting an analyte comprising:
collecting a gaseous sample;
contacting the gaseous sample with one or more graphene varactors, each of the one or more graphene varactors comprising:
a graphene layer;
a self-assembled monolayer disposed on an outer surface of the graphene layer through non-covalent interactions between the self-assembled monolayer and a π-electron system of graphene; and

wherein the self-assembled monolayer comprises at least one selected from the group consisting of pillarenes, substituted pillarenes, calixarenes, substituted calixarenes, peralkylated cyclodextrins, or substituted peralkylated cyclodextrins.